diff options
Diffstat (limited to 'libjava/gnu/java')
| -rw-r--r-- | libjava/gnu/java/nio/ByteBufferImpl.java | 386 | ||||
| -rw-r--r-- | libjava/gnu/java/nio/CharBufferImpl.java | 146 | ||||
| -rw-r--r-- | libjava/gnu/java/nio/DoubleBufferImpl.java | 118 | ||||
| -rw-r--r-- | libjava/gnu/java/nio/FloatBufferImpl.java | 112 | ||||
| -rw-r--r-- | libjava/gnu/java/nio/IntBufferImpl.java | 116 | ||||
| -rw-r--r-- | libjava/gnu/java/nio/LongBufferImpl.java | 114 | ||||
| -rw-r--r-- | libjava/gnu/java/nio/ShortBufferImpl.java | 124 |
7 files changed, 615 insertions, 501 deletions
diff --git a/libjava/gnu/java/nio/ByteBufferImpl.java b/libjava/gnu/java/nio/ByteBufferImpl.java index 54fba24..19783e5 100644 --- a/libjava/gnu/java/nio/ByteBufferImpl.java +++ b/libjava/gnu/java/nio/ByteBufferImpl.java @@ -43,37 +43,35 @@ import java.nio.DoubleBuffer; import java.nio.FloatBuffer; import java.nio.IntBuffer; import java.nio.LongBuffer; +import java.nio.ReadOnlyBufferException; import java.nio.ShortBuffer; +/** + * This is a Heap memory implementation + */ public final class ByteBufferImpl extends ByteBuffer { - private byte[] backing_buffer; - private int array_offset; - private boolean ro; - + private boolean readOnly; + public ByteBufferImpl (int cap, int off, int lim) { - this.cap = cap; - limit (lim); - position (off); - this.backing_buffer = new byte[cap]; + super (cap, lim, off, 0); + this.backing_buffer = new byte [cap]; + readOnly = false; } public ByteBufferImpl (byte[] array, int off, int lim) { - this.cap = array.length; - limit (lim); - position (off); + super (array.length, lim, off, 0); this.backing_buffer = array; + readOnly = false; } public ByteBufferImpl (ByteBufferImpl copy) { - this.cap = copy.capacity (); - limit (copy.limit ()); - position (copy.position ()); - ro = copy.ro; + super (copy.capacity (), copy.limit (), copy.position (), 0); backing_buffer = copy.backing_buffer; + readOnly = copy.isReadOnly (); } void inc_pos (int toAdd) @@ -89,52 +87,140 @@ public final class ByteBufferImpl extends ByteBuffer private static native byte[] nio_cast(float[]copy); private static native byte[] nio_cast(double[]copy); + ByteBufferImpl (byte[] copy) + { + super (copy.length, copy.length, 0, 0); + this.backing_buffer = copy != null ? nio_cast (copy) : null; + readOnly = false; + } - ByteBufferImpl(byte[] copy) { this.backing_buffer = copy != null ? nio_cast(copy) : null; } - private static native byte nio_get_Byte(ByteBufferImpl b, int index, int limit); - private static native void nio_put_Byte(ByteBufferImpl b, int index, int limit, byte value); - public ByteBuffer asByteBuffer() { ByteBufferImpl res = new ByteBufferImpl(backing_buffer); res.limit((limit()*1)/1); return res; } + private static native byte nio_get_Byte (ByteBufferImpl b, int index, int limit); + + private static native void nio_put_Byte (ByteBufferImpl b, int index, int limit, byte value); + + public ByteBuffer asByteBuffer () + { + ByteBufferImpl res = new ByteBufferImpl (backing_buffer); + res.limit ((limit () * 1) / 1); + return res; + } - ByteBufferImpl(char[] copy) { this.backing_buffer = copy != null ? nio_cast(copy) : null; } - private static native char nio_get_Char(ByteBufferImpl b, int index, int limit); - private static native void nio_put_Char(ByteBufferImpl b, int index, int limit, char value); - public CharBuffer asCharBuffer() { CharBufferImpl res = new CharBufferImpl(backing_buffer); res.limit((limit()*2)/1); return res; } + ByteBufferImpl (char[] copy) + { + super (copy.length * 2, copy.length * 2, 0, 0); + this.backing_buffer = copy != null ? nio_cast (copy) : null; + readOnly = false; + } - ByteBufferImpl(short[] copy) { this.backing_buffer = copy != null ? nio_cast(copy) : null; } - private static native short nio_get_Short(ByteBufferImpl b, int index, int limit); - private static native void nio_put_Short(ByteBufferImpl b, int index, int limit, short value); - public ShortBuffer asShortBuffer() { ShortBufferImpl res = new ShortBufferImpl(backing_buffer); res.limit((limit()*2)/1); return res; } + private static native char nio_get_Char (ByteBufferImpl b, int index, int limit); - ByteBufferImpl(int[] copy) { this.backing_buffer = copy != null ? nio_cast(copy) : null; } - private static native int nio_get_Int(ByteBufferImpl b, int index, int limit); - private static native void nio_put_Int(ByteBufferImpl b, int index, int limit, int value); - public IntBuffer asIntBuffer() { IntBufferImpl res = new IntBufferImpl(backing_buffer); res.limit((limit()*4)/1); return res; } + private static native void nio_put_Char (ByteBufferImpl b, int index, int limit, char value); - ByteBufferImpl(long[] copy) { this.backing_buffer = copy != null ? nio_cast(copy) : null; } - private static native long nio_get_Long(ByteBufferImpl b, int index, int limit); - private static native void nio_put_Long(ByteBufferImpl b, int index, int limit, long value); - public LongBuffer asLongBuffer() { LongBufferImpl res = new LongBufferImpl(backing_buffer); res.limit((limit()*8)/1); return res; } + public CharBuffer asCharBuffer () + { + CharBufferImpl res = new CharBufferImpl (backing_buffer); + res.limit ((limit () * 2) / 1); + return res; + } - ByteBufferImpl(float[] copy) { this.backing_buffer = copy != null ? nio_cast(copy) : null; } - private static native float nio_get_Float(ByteBufferImpl b, int index, int limit); - private static native void nio_put_Float(ByteBufferImpl b, int index, int limit, float value); - public FloatBuffer asFloatBuffer() { FloatBufferImpl res = new FloatBufferImpl(backing_buffer); res.limit((limit()*4)/1); return res; } + ByteBufferImpl (short[] copy) + { + super (copy.length, copy.length, 0, 0); + this.backing_buffer = copy != null ? nio_cast (copy) : null; + readOnly = false; + } + + private static native short nio_get_Short (ByteBufferImpl b, int index, int limit); + + private static native void nio_put_Short (ByteBufferImpl b, int index, int limit, short value); + + public ShortBuffer asShortBuffer () + { + ShortBufferImpl res = new ShortBufferImpl (backing_buffer); + res.limit ((limit () * 2) / 1); + return res; + } - ByteBufferImpl(double[] copy) { this.backing_buffer = copy != null ? nio_cast(copy) : null; } - private static native double nio_get_Double(ByteBufferImpl b, int index, int limit); - private static native void nio_put_Double(ByteBufferImpl b, int index, int limit, double value); - public DoubleBuffer asDoubleBuffer() { DoubleBufferImpl res = new DoubleBufferImpl(backing_buffer); res.limit((limit()*8)/1); return res; } + ByteBufferImpl (int[] copy) + { + super (copy.length * 4, copy.length * 4, 0, 0); + this.backing_buffer = copy != null ? nio_cast(copy) : null; + readOnly = false; + } + + private static native int nio_get_Int (ByteBufferImpl b, int index, int limit); + + private static native void nio_put_Int (ByteBufferImpl b, int index, int limit, int value); + + public IntBuffer asIntBuffer () + { + IntBufferImpl res = new IntBufferImpl (backing_buffer); + res.limit ((limit() * 4) / 1); + return res; + } + + ByteBufferImpl (long[] copy) + { + super (copy.length * 8, copy.length * 8, 0, 0); + this.backing_buffer = copy != null ? nio_cast (copy) : null; + readOnly = false; + } + + private static native long nio_get_Long (ByteBufferImpl b, int index, int limit); + + private static native void nio_put_Long (ByteBufferImpl b, int index, int limit, long value); + + public LongBuffer asLongBuffer () + { + LongBufferImpl res = new LongBufferImpl (backing_buffer); + res.limit ((limit() * 8) / 1); + return res; + } + + ByteBufferImpl (float[] copy) + { + super (copy.length * 4, copy.length * 4, 0, 0); + this.backing_buffer = copy != null ? nio_cast (copy) : null; + readOnly = false; + } + + private static native float nio_get_Float (ByteBufferImpl b, int index, int limit); + + private static native void nio_put_Float (ByteBufferImpl b, int index, int limit, float value); + + public FloatBuffer asFloatBuffer () + { + FloatBufferImpl res = new FloatBufferImpl (backing_buffer); + res.limit ((limit() * 4) / 1); + return res; + } + + ByteBufferImpl (double[] copy) + { + super (copy.length * 8, copy.length * 8, 0, 0); + this.backing_buffer = copy != null ? nio_cast (copy) : null; + readOnly = false; + } + + private static native double nio_get_Double (ByteBufferImpl b, int index, int limit); + + private static native void nio_put_Double (ByteBufferImpl b, int index, int limit, double value); + + public DoubleBuffer asDoubleBuffer () + { + DoubleBufferImpl res = new DoubleBufferImpl (backing_buffer); + res.limit ((limit () * 8) / 1); + return res; + } public boolean isReadOnly() { - return ro; + return readOnly; } public ByteBuffer slice() { - ByteBufferImpl A = new ByteBufferImpl(this); - A.array_offset = position(); - return A; + return new ByteBufferImpl(this); } public ByteBuffer duplicate() @@ -145,7 +231,7 @@ public final class ByteBufferImpl extends ByteBuffer public ByteBuffer asReadOnlyBuffer() { ByteBufferImpl a = new ByteBufferImpl(this); - a.ro = true; + a.readOnly = true; return a; } @@ -156,7 +242,7 @@ public final class ByteBufferImpl extends ByteBuffer public boolean isDirect() { - return backing_buffer != null; + return false; } final public byte get() @@ -168,6 +254,9 @@ public final class ByteBufferImpl extends ByteBuffer final public ByteBuffer put(byte b) { + if (readOnly) + throw new ReadOnlyBufferException (); + backing_buffer[position()] = b; position(position()+1); return this; @@ -180,14 +269,201 @@ public final class ByteBufferImpl extends ByteBuffer final public ByteBuffer put(int index, byte b) { + if (readOnly) + throw new ReadOnlyBufferException (); + backing_buffer[index] = b; return this; } - final public char getChar() { char a = nio_get_Char(this, position(), limit()); inc_pos(2); return a; } final public ByteBuffer putChar(char value) { nio_put_Char(this, position(), limit(), value); inc_pos(2); return this; } final public char getChar(int index) { char a = nio_get_Char(this, index, limit()); return a; } final public ByteBuffer putChar(int index, char value) { nio_put_Char(this, index, limit(), value); return this; }; - final public short getShort() { short a = nio_get_Short(this, position(), limit()); inc_pos(2); return a; } final public ByteBuffer putShort(short value) { nio_put_Short(this, position(), limit(), value); inc_pos(2); return this; } final public short getShort(int index) { short a = nio_get_Short(this, index, limit()); return a; } final public ByteBuffer putShort(int index, short value) { nio_put_Short(this, index, limit(), value); return this; }; - final public int getInt() { int a = nio_get_Int(this, position(), limit()); inc_pos(4); return a; } final public ByteBuffer putInt(int value) { nio_put_Int(this, position(), limit(), value); inc_pos(4); return this; } final public int getInt(int index) { int a = nio_get_Int(this, index, limit()); return a; } final public ByteBuffer putInt(int index, int value) { nio_put_Int(this, index, limit(), value); return this; }; - final public long getLong() { long a = nio_get_Long(this, position(), limit()); inc_pos(8); return a; } final public ByteBuffer putLong(long value) { nio_put_Long(this, position(), limit(), value); inc_pos(8); return this; } final public long getLong(int index) { long a = nio_get_Long(this, index, limit()); return a; } final public ByteBuffer putLong(int index, long value) { nio_put_Long(this, index, limit(), value); return this; }; - final public float getFloat() { float a = nio_get_Float(this, position(), limit()); inc_pos(4); return a; } final public ByteBuffer putFloat(float value) { nio_put_Float(this, position(), limit(), value); inc_pos(4); return this; } final public float getFloat(int index) { float a = nio_get_Float(this, index, limit()); return a; } final public ByteBuffer putFloat(int index, float value) { nio_put_Float(this, index, limit(), value); return this; }; - final public double getDouble() { double a = nio_get_Double(this, position(), limit()); inc_pos(8); return a; } final public ByteBuffer putDouble(double value) { nio_put_Double(this, position(), limit(), value); inc_pos(8); return this; } final public double getDouble(int index) { double a = nio_get_Double(this, index, limit()); return a; } final public ByteBuffer putDouble(int index, double value) { nio_put_Double(this, index, limit(), value); return this; }; + final public char getChar () + { + char a = nio_get_Char (this, position (), limit ()); + inc_pos (2); + return a; + } + + final public ByteBuffer putChar (char value) + { + if (readOnly) + throw new ReadOnlyBufferException (); + + nio_put_Char (this, position (), limit (), value); + inc_pos (2); + return this; + } + + final public char getChar (int index) + { + char a = nio_get_Char (this, index, limit ()); + return a; + } + + final public ByteBuffer putChar (int index, char value) + { + if (readOnly) + throw new ReadOnlyBufferException (); + + nio_put_Char (this, index, limit (), value); + return this; + } + + final public short getShort () + { + short a = nio_get_Short (this, position (), limit ()); + inc_pos (2); + return a; + } + + final public ByteBuffer putShort (short value) + { + if (readOnly) + throw new ReadOnlyBufferException (); + + nio_put_Short (this, position (), limit(), value); + inc_pos (2); + return this; + } + + final public short getShort (int index) + { + short a = nio_get_Short (this, index, limit ()); + return a; + } + + final public ByteBuffer putShort (int index, short value) + { + if (readOnly) + throw new ReadOnlyBufferException (); + + nio_put_Short (this, index, limit (), value); + return this; + } + + final public int getInt () + { + int a = nio_get_Int (this, position (), limit ()); + inc_pos (4); + return a; + } + + final public ByteBuffer putInt (int value) + { + if (readOnly) + throw new ReadOnlyBufferException (); + + nio_put_Int (this, position (), limit , value); + inc_pos (4); + return this; + } + + final public int getInt (int index) + { + int a = nio_get_Int (this, index, limit ()); + return a; + } + + final public ByteBuffer putInt (int index, int value) + { + if (readOnly) + throw new ReadOnlyBufferException (); + + nio_put_Int(this, index, limit (), value); + return this; + } + + final public long getLong () + { + long a = nio_get_Long (this, position (), limit ()); + inc_pos (8); + return a; + } + + final public ByteBuffer putLong (long value) + { + if (readOnly) + throw new ReadOnlyBufferException (); + + nio_put_Long (this, position (), limit (), value); + inc_pos (8); + return this; + } + + final public long getLong (int index) + { + long a = nio_get_Long (this, index, limit ()); + return a; + } + + final public ByteBuffer putLong (int index, long value) + { + if (readOnly) + throw new ReadOnlyBufferException (); + + nio_put_Long (this, index, limit (), value); + return this; + } + + final public float getFloat () + { + float a = nio_get_Float (this, position (), limit ()); + inc_pos (4); + return a; + } + + final public ByteBuffer putFloat (float value) + { + if (readOnly) + throw new ReadOnlyBufferException (); + + nio_put_Float (this, position (), limit (), value); + inc_pos (4); + return this; + } + + final public float getFloat (int index) + { + float a = nio_get_Float (this, index, limit ()); + return a; + } + + final public ByteBuffer putFloat (int index, float value) + { + if (readOnly) + throw new ReadOnlyBufferException (); + + nio_put_Float (this, index, limit(), value); + return this; + } + + final public double getDouble () + { + double a = nio_get_Double (this, position (), limit ()); + inc_pos (8); + return a; + } + + final public ByteBuffer putDouble (double value) + { + if (readOnly) + throw new ReadOnlyBufferException (); + + nio_put_Double (this, position(), limit (), value); + inc_pos (8); + return this; + } + + final public double getDouble (int index) + { + return nio_get_Double (this, index, limit ()); + } + + final public ByteBuffer putDouble (int index, double value) + { + if (readOnly) + throw new ReadOnlyBufferException (); + + nio_put_Double (this, index, limit (), value); + return this; + } } diff --git a/libjava/gnu/java/nio/CharBufferImpl.java b/libjava/gnu/java/nio/CharBufferImpl.java index 399dd60..07a96fe 100644 --- a/libjava/gnu/java/nio/CharBufferImpl.java +++ b/libjava/gnu/java/nio/CharBufferImpl.java @@ -40,101 +40,65 @@ package gnu.java.nio; import java.nio.ByteBuffer; import java.nio.ByteOrder; import java.nio.CharBuffer; -import java.nio.DoubleBuffer; -import java.nio.FloatBuffer; -import java.nio.IntBuffer; -import java.nio.LongBuffer; -import java.nio.ShortBuffer; +import java.nio.ReadOnlyBufferException; +/** + * This is a Heap memory implementation + */ public final class CharBufferImpl extends CharBuffer { - private boolean ro; + private boolean readOnly; - private ByteOrder endian = ByteOrder.BIG_ENDIAN; - public CharBufferImpl(int cap, int off, int lim) { - this.backing_buffer = new char[cap]; - this.cap = cap; - this.limit(lim); - this.position(off); + super (cap, lim, off, 0); + this.backing_buffer = new char [cap]; + readOnly = false; } public CharBufferImpl(char[] array, int off, int lim) { + super (array.length, lim, off, 0); this.backing_buffer = array; - this.cap = array.length; - this.limit(lim); - this.position(off); + readOnly = false; } public CharBufferImpl (CharBufferImpl copy) { + super (copy.capacity (), copy.limit (), copy.position (), 0); backing_buffer = copy.backing_buffer; - ro = copy.ro; - limit (copy.limit()); - position (copy.position ()); + readOnly = copy.isReadOnly (); } - void inc_pos (int a) + private static native char[] nio_cast (byte[] copy); + + CharBufferImpl (byte[] copy) { - position (position () + a); + super (copy.length / 2, copy.length / 2, 0, 0); + this.backing_buffer = (copy != null ? nio_cast (copy) : null); + readOnly = false; } - CharBufferImpl(byte[] copy) { this.backing_buffer = copy != null ? nio_cast(copy) : null; } - private static native byte nio_get_Byte(CharBufferImpl b, int index, int limit); - private static native void nio_put_Byte(CharBufferImpl b, int index, int limit, byte value); - public ByteBuffer asByteBuffer() { ByteBufferImpl res = new ByteBufferImpl(backing_buffer); res.limit((limit()*1)/2); return res; } - - CharBufferImpl(char[] copy) { this.backing_buffer = copy != null ? nio_cast(copy) : null; } - private static native char nio_get_Char(CharBufferImpl b, int index, int limit); - private static native void nio_put_Char(CharBufferImpl b, int index, int limit, char value); - public CharBuffer asCharBuffer() { CharBufferImpl res = new CharBufferImpl(backing_buffer); res.limit((limit()*2)/2); return res; } - - CharBufferImpl(short[] copy) { this.backing_buffer = copy != null ? nio_cast(copy) : null; } - private static native short nio_get_Short(CharBufferImpl b, int index, int limit); - private static native void nio_put_Short(CharBufferImpl b, int index, int limit, short value); - public ShortBuffer asShortBuffer() { ShortBufferImpl res = new ShortBufferImpl(backing_buffer); res.limit((limit()*2)/2); return res; } - - CharBufferImpl(int[] copy) { this.backing_buffer = copy != null ? nio_cast(copy) : null; } - private static native int nio_get_Int(CharBufferImpl b, int index, int limit); - private static native void nio_put_Int(CharBufferImpl b, int index, int limit, int value); - public IntBuffer asIntBuffer() { IntBufferImpl res = new IntBufferImpl(backing_buffer); res.limit((limit()*4)/2); return res; } - - CharBufferImpl(long[] copy) { this.backing_buffer = copy != null ? nio_cast(copy) : null; } - private static native long nio_get_Long(CharBufferImpl b, int index, int limit); - private static native void nio_put_Long(CharBufferImpl b, int index, int limit, long value); - public LongBuffer asLongBuffer() { LongBufferImpl res = new LongBufferImpl(backing_buffer); res.limit((limit()*8)/2); return res; } + private static native byte nio_get_Byte (CharBufferImpl b, int index, int limit); - CharBufferImpl(float[] copy) { this.backing_buffer = copy != null ? nio_cast(copy) : null; } - private static native float nio_get_Float(CharBufferImpl b, int index, int limit); - private static native void nio_put_Float(CharBufferImpl b, int index, int limit, float value); - public FloatBuffer asFloatBuffer() { FloatBufferImpl res = new FloatBufferImpl(backing_buffer); res.limit((limit()*4)/2); return res; } + private static native void nio_put_Byte (CharBufferImpl b, int index, int limit, byte value); - CharBufferImpl(double[] copy) { this.backing_buffer = copy != null ? nio_cast(copy) : null; } - private static native double nio_get_Double(CharBufferImpl b, int index, int limit); - private static native void nio_put_Double(CharBufferImpl b, int index, int limit, double value); - public DoubleBuffer asDoubleBuffer() { DoubleBufferImpl res = new DoubleBufferImpl(backing_buffer); res.limit((limit()*8)/2); return res; } - - private static native char[] nio_cast(byte[]copy); - private static native char[] nio_cast(char[]copy); - private static native char[] nio_cast(short[]copy); - private static native char[] nio_cast(long[]copy); - private static native char[] nio_cast(int[]copy); - private static native char[] nio_cast(float[]copy); - private static native char[] nio_cast(double[]copy); + public ByteBuffer asByteBuffer () + { + ByteBufferImpl res = new ByteBufferImpl (backing_buffer); + res.limit ((limit () * 1) / 2); + return res; + } public boolean isReadOnly() { - return ro; + return readOnly; } public CharBuffer slice() { - CharBufferImpl buffer = new CharBufferImpl (this); - buffer.array_offset = position (); - return buffer; + return new CharBufferImpl (this); } public CharBuffer duplicate() @@ -144,9 +108,9 @@ public final class CharBufferImpl extends CharBuffer public CharBuffer asReadOnlyBuffer() { - CharBufferImpl a = new CharBufferImpl(this); - a.ro = true; - return a; + CharBufferImpl result = new CharBufferImpl (this); + result.readOnly = true; + return result; } public CharBuffer compact() @@ -156,7 +120,7 @@ public final class CharBufferImpl extends CharBuffer public boolean isDirect() { - return backing_buffer != null; + return false; } final public CharSequence subSequence (int start, int end) @@ -172,6 +136,9 @@ public final class CharBufferImpl extends CharBuffer position () + end); } + /** + * Relative get method. Reads the next character from the buffer. + */ final public char get() { char e = backing_buffer[position()]; @@ -179,27 +146,54 @@ public final class CharBufferImpl extends CharBuffer return e; } + /** + * Relative put method. Writes <code>value</code> to the next position + * in the buffer. + * + * @exception ReadOnlyBufferException If this buffer is read-only. + */ final public CharBuffer put(char b) { + if (readOnly) + throw new ReadOnlyBufferException (); + backing_buffer[position()] = b; position(position()+1); return this; } - - final public char getChar() { return get(); } final public CharBuffer putChar(char value) { return put(value); } final public char getChar(int index) { return get(index); } final public CharBuffer putChar(int index, char value) { return put(index, value); }; - final public short getShort() { short a = nio_get_Short(this, position(), limit()); inc_pos(2); return a; } final public CharBuffer putShort(short value) { nio_put_Short(this, position(), limit(), value); inc_pos(2); return this; } final public short getShort(int index) { short a = nio_get_Short(this, index, limit()); return a; } final public CharBuffer putShort(int index, short value) { nio_put_Short(this, index, limit(), value); return this; }; - final public int getInt() { int a = nio_get_Int(this, position(), limit()); inc_pos(4); return a; } final public CharBuffer putInt(int value) { nio_put_Int(this, position(), limit(), value); inc_pos(4); return this; } final public int getInt(int index) { int a = nio_get_Int(this, index, limit()); return a; } final public CharBuffer putInt(int index, int value) { nio_put_Int(this, index, limit(), value); return this; }; - final public long getLong() { long a = nio_get_Long(this, position(), limit()); inc_pos(8); return a; } final public CharBuffer putLong(long value) { nio_put_Long(this, position(), limit(), value); inc_pos(8); return this; } final public long getLong(int index) { long a = nio_get_Long(this, index, limit()); return a; } final public CharBuffer putLong(int index, long value) { nio_put_Long(this, index, limit(), value); return this; }; - final public float getFloat() { float a = nio_get_Float(this, position(), limit()); inc_pos(4); return a; } final public CharBuffer putFloat(float value) { nio_put_Float(this, position(), limit(), value); inc_pos(4); return this; } final public float getFloat(int index) { float a = nio_get_Float(this, index, limit()); return a; } final public CharBuffer putFloat(int index, float value) { nio_put_Float(this, index, limit(), value); return this; }; - final public double getDouble() { double a = nio_get_Double(this, position(), limit()); inc_pos(8); return a; } final public CharBuffer putDouble(double value) { nio_put_Double(this, position(), limit(), value); inc_pos(8); return this; } final public double getDouble(int index) { double a = nio_get_Double(this, index, limit()); return a; } final public CharBuffer putDouble(int index, double value) { nio_put_Double(this, index, limit(), value); return this; }; + /** + * Absolute get method. Reads the character at position <code>index</code>. + * + * @exception IndexOutOfBoundsException If index is negative or not smaller + * than the buffer's limit. + */ final public char get(int index) { + if (index < 0 + || index >= limit ()) + throw new IndexOutOfBoundsException (); + return backing_buffer[index]; } + /** + * Absolute put method. Writes <code>value</value> to position + * <code>index</code> in the buffer. + * + * @exception IndexOutOfBoundsException If index is negative or not smaller + * than the buffer's limit. + * @exception ReadOnlyBufferException If this buffer is read-only. + */ final public CharBuffer put(int index, char b) { + if (index < 0 + || index >= limit ()) + throw new IndexOutOfBoundsException (); + + if (readOnly) + throw new ReadOnlyBufferException (); + backing_buffer[index] = b; return this; } @@ -207,6 +201,6 @@ public final class CharBufferImpl extends CharBuffer public final ByteOrder order() { - return endian; + return ByteOrder.BIG_ENDIAN; } } diff --git a/libjava/gnu/java/nio/DoubleBufferImpl.java b/libjava/gnu/java/nio/DoubleBufferImpl.java index de0e671..9734875 100644 --- a/libjava/gnu/java/nio/DoubleBufferImpl.java +++ b/libjava/gnu/java/nio/DoubleBufferImpl.java @@ -38,100 +38,66 @@ exception statement from your version. */ package gnu.java.nio; import java.nio.ByteBuffer; -import java.nio.CharBuffer; +import java.nio.ByteOrder; import java.nio.DoubleBuffer; -import java.nio.FloatBuffer; -import java.nio.IntBuffer; -import java.nio.LongBuffer; -import java.nio.ShortBuffer; +import java.nio.ReadOnlyBufferException; +/** + * This is a Heap memory implementation + */ public final class DoubleBufferImpl extends DoubleBuffer { - private int array_offset; - private boolean ro; + private boolean readOnly; public DoubleBufferImpl(int cap, int off, int lim) { + super (cap, lim, off, 0); this.backing_buffer = new double[cap]; - this.cap = cap; - this.limit(lim); - this.position(off); + readOnly = false; } public DoubleBufferImpl(double[] array, int off, int lim) { + super (array.length, lim, off, 0); this.backing_buffer = array; - this.cap = array.length; - this.limit(lim); - this.position(off); + readOnly = false; } public DoubleBufferImpl(DoubleBufferImpl copy) { + super (copy.capacity (), copy.limit (), copy.position (), 0); backing_buffer = copy.backing_buffer; - ro = copy.ro; - limit(copy.limit()); - position(copy.position()); + readOnly = copy.isReadOnly (); } - void inc_pos(int a) + DoubleBufferImpl (byte[] copy) { - position(position() + a); + super (copy.length, copy.length, 0, 0); + this.backing_buffer = copy != null ? nio_cast (copy) : null; + readOnly = false; } - - DoubleBufferImpl(byte[] copy) { this.backing_buffer = copy != null ? nio_cast(copy) : null; } - private static native byte nio_get_Byte(DoubleBufferImpl b, int index, int limit); - private static native void nio_put_Byte(DoubleBufferImpl b, int index, int limit, byte value); - public ByteBuffer asByteBuffer() { ByteBufferImpl res = new ByteBufferImpl(backing_buffer); res.limit((limit()*1)/8); return res; } - - DoubleBufferImpl(char[] copy) { this.backing_buffer = copy != null ? nio_cast(copy) : null; } - private static native char nio_get_Char(DoubleBufferImpl b, int index, int limit); - private static native void nio_put_Char(DoubleBufferImpl b, int index, int limit, char value); - public CharBuffer asCharBuffer() { CharBufferImpl res = new CharBufferImpl(backing_buffer); res.limit((limit()*2)/8); return res; } - - DoubleBufferImpl(short[] copy) { this.backing_buffer = copy != null ? nio_cast(copy) : null; } - private static native short nio_get_Short(DoubleBufferImpl b, int index, int limit); - private static native void nio_put_Short(DoubleBufferImpl b, int index, int limit, short value); - public ShortBuffer asShortBuffer() { ShortBufferImpl res = new ShortBufferImpl(backing_buffer); res.limit((limit()*2)/8); return res; } - DoubleBufferImpl(int[] copy) { this.backing_buffer = copy != null ? nio_cast(copy) : null; } - private static native int nio_get_Int(DoubleBufferImpl b, int index, int limit); - private static native void nio_put_Int(DoubleBufferImpl b, int index, int limit, int value); - public IntBuffer asIntBuffer() { IntBufferImpl res = new IntBufferImpl(backing_buffer); res.limit((limit()*4)/8); return res; } + private static native byte nio_get_Byte (DoubleBufferImpl b, int index, int limit); - DoubleBufferImpl(long[] copy) { this.backing_buffer = copy != null ? nio_cast(copy) : null; } - private static native long nio_get_Long(DoubleBufferImpl b, int index, int limit); - private static native void nio_put_Long(DoubleBufferImpl b, int index, int limit, long value); - public LongBuffer asLongBuffer() { LongBufferImpl res = new LongBufferImpl(backing_buffer); res.limit((limit()*8)/8); return res; } + private static native void nio_put_Byte (DoubleBufferImpl b, int index, int limit, byte value); - DoubleBufferImpl(float[] copy) { this.backing_buffer = copy != null ? nio_cast(copy) : null; } - private static native float nio_get_Float(DoubleBufferImpl b, int index, int limit); - private static native void nio_put_Float(DoubleBufferImpl b, int index, int limit, float value); - public FloatBuffer asFloatBuffer() { FloatBufferImpl res = new FloatBufferImpl(backing_buffer); res.limit((limit()*4)/8); return res; } - - DoubleBufferImpl(double[] copy) { this.backing_buffer = copy != null ? nio_cast(copy) : null; } - private static native double nio_get_Double(DoubleBufferImpl b, int index, int limit); - private static native void nio_put_Double(DoubleBufferImpl b, int index, int limit, double value); - public DoubleBuffer asDoubleBuffer() { DoubleBufferImpl res = new DoubleBufferImpl(backing_buffer); res.limit((limit()*8)/8); return res; } + public ByteBuffer asByteBuffer () + { + ByteBufferImpl res = new ByteBufferImpl (backing_buffer); + res.limit ((limit () * 1) / 8); + return res; + } - private static native double[] nio_cast(byte[]copy); - private static native double[] nio_cast(char[]copy); - private static native double[] nio_cast(short[]copy); - private static native double[] nio_cast(long[]copy); - private static native double[] nio_cast(int[]copy); - private static native double[] nio_cast(float[]copy); - private static native double[] nio_cast(double[]copy); + private static native double[] nio_cast (byte[] copy); - public boolean isReadOnly() + public boolean isReadOnly () { - return ro; + return readOnly; } - public DoubleBuffer slice() + public DoubleBuffer slice () { - DoubleBufferImpl A = new DoubleBufferImpl(this); - A.array_offset = position(); - return A; + return new DoubleBufferImpl (this); } public DoubleBuffer duplicate() @@ -141,9 +107,9 @@ public final class DoubleBufferImpl extends DoubleBuffer public DoubleBuffer asReadOnlyBuffer() { - DoubleBufferImpl a = new DoubleBufferImpl(this); - a.ro = true; - return a; + DoubleBufferImpl result = new DoubleBufferImpl (this); + result.readOnly = true; + return result; } public DoubleBuffer compact() @@ -153,7 +119,7 @@ public final class DoubleBufferImpl extends DoubleBuffer public boolean isDirect() { - return backing_buffer != null; + return false; } final public double get() @@ -165,6 +131,9 @@ public final class DoubleBufferImpl extends DoubleBuffer final public DoubleBuffer put(double b) { + if (readOnly) + throw new ReadOnlyBufferException (); + backing_buffer[position()] = b; position(position()+1); return this; @@ -177,14 +146,15 @@ public final class DoubleBufferImpl extends DoubleBuffer final public DoubleBuffer put(int index, double b) { + if (readOnly) + throw new ReadOnlyBufferException (); + backing_buffer[index] = b; return this; } - - final public char getChar() { char a = nio_get_Char(this, position(), limit()); inc_pos(2); return a; } final public DoubleBuffer putChar(char value) { nio_put_Char(this, position(), limit(), value); inc_pos(2); return this; } final public char getChar(int index) { char a = nio_get_Char(this, index, limit()); return a; } final public DoubleBuffer putChar(int index, char value) { nio_put_Char(this, index, limit(), value); return this; }; - final public short getShort() { short a = nio_get_Short(this, position(), limit()); inc_pos(2); return a; } final public DoubleBuffer putShort(short value) { nio_put_Short(this, position(), limit(), value); inc_pos(2); return this; } final public short getShort(int index) { short a = nio_get_Short(this, index, limit()); return a; } final public DoubleBuffer putShort(int index, short value) { nio_put_Short(this, index, limit(), value); return this; }; - final public int getInt() { int a = nio_get_Int(this, position(), limit()); inc_pos(4); return a; } final public DoubleBuffer putInt(int value) { nio_put_Int(this, position(), limit(), value); inc_pos(4); return this; } final public int getInt(int index) { int a = nio_get_Int(this, index, limit()); return a; } final public DoubleBuffer putInt(int index, int value) { nio_put_Int(this, index, limit(), value); return this; }; - final public long getLong() { long a = nio_get_Long(this, position(), limit()); inc_pos(8); return a; } final public DoubleBuffer putLong(long value) { nio_put_Long(this, position(), limit(), value); inc_pos(8); return this; } final public long getLong(int index) { long a = nio_get_Long(this, index, limit()); return a; } final public DoubleBuffer putLong(int index, long value) { nio_put_Long(this, index, limit(), value); return this; }; - final public float getFloat() { float a = nio_get_Float(this, position(), limit()); inc_pos(4); return a; } final public DoubleBuffer putFloat(float value) { nio_put_Float(this, position(), limit(), value); inc_pos(4); return this; } final public float getFloat(int index) { float a = nio_get_Float(this, index, limit()); return a; } final public DoubleBuffer putFloat(int index, float value) { nio_put_Float(this, index, limit(), value); return this; }; - final public double getDouble() { return get(); } final public DoubleBuffer putDouble(double value) { return put(value); } final public double getDouble(int index) { return get(index); } final public DoubleBuffer putDouble(int index, double value) { return put(index, value); }; + + final public ByteOrder order () + { + return ByteOrder.BIG_ENDIAN; + } } diff --git a/libjava/gnu/java/nio/FloatBufferImpl.java b/libjava/gnu/java/nio/FloatBufferImpl.java index bab4742..27a8dea 100644 --- a/libjava/gnu/java/nio/FloatBufferImpl.java +++ b/libjava/gnu/java/nio/FloatBufferImpl.java @@ -38,49 +38,49 @@ exception statement from your version. */ package gnu.java.nio; import java.nio.ByteBuffer; -import java.nio.CharBuffer; -import java.nio.DoubleBuffer; +import java.nio.ByteOrder; import java.nio.FloatBuffer; -import java.nio.IntBuffer; -import java.nio.LongBuffer; -import java.nio.ShortBuffer; +import java.nio.ReadOnlyBufferException; +/** + * This is a Heap memory implementation + */ public final class FloatBufferImpl extends FloatBuffer { - private int array_offset; - private boolean ro; + private boolean readOnly; public FloatBufferImpl(int cap, int off, int lim) { - this.backing_buffer = new float[cap]; - this.cap = cap; - this.limit(lim); - this.position(off); + super (cap, lim, off, 0); + this.backing_buffer = new float [cap]; + readOnly = false; } public FloatBufferImpl(float[] array, int off, int lim) { + super (array.length, lim, off, 0); this.backing_buffer = array; - this.cap = array.length; - this.limit(lim); - this.position(off); + readOnly = false; } public FloatBufferImpl(FloatBufferImpl copy) { + super (copy.capacity (), copy.limit (), copy.position (), 0); backing_buffer = copy.backing_buffer; - ro = copy.ro; - limit(copy.limit()); - position(copy.position()); + readOnly = copy.isReadOnly (); } - void inc_pos(int a) + private static native float[] nio_cast (byte[] copy); + + FloatBufferImpl (byte[] copy) { - position(position() + a); + super (copy.length, copy.length, 0, 0); + this.backing_buffer = copy != null ? nio_cast (copy) : null; + readOnly = false; } - - FloatBufferImpl(byte[] copy) { this.backing_buffer = copy != null ? nio_cast (copy) : null; } + private static native byte nio_get_Byte (FloatBufferImpl b, int index, int limit); + private static native void nio_put_Byte (FloatBufferImpl b, int index, int limit, byte value); public ByteBuffer asByteBuffer() @@ -90,54 +90,14 @@ public final class FloatBufferImpl extends FloatBuffer return res; } - FloatBufferImpl(char[] copy) { this.backing_buffer = copy != null ? nio_cast(copy) : null; } - private static native char nio_get_Char(FloatBufferImpl b, int index, int limit); - private static native void nio_put_Char(FloatBufferImpl b, int index, int limit, char value); - public CharBuffer asCharBuffer() { CharBufferImpl res = new CharBufferImpl(backing_buffer); res.limit((limit()*2)/4); return res; } - - FloatBufferImpl(short[] copy) { this.backing_buffer = copy != null ? nio_cast(copy) : null; } - private static native short nio_get_Short(FloatBufferImpl b, int index, int limit); - private static native void nio_put_Short(FloatBufferImpl b, int index, int limit, short value); - public ShortBuffer asShortBuffer() { ShortBufferImpl res = new ShortBufferImpl(backing_buffer); res.limit((limit()*2)/4); return res; } - - FloatBufferImpl(int[] copy) { this.backing_buffer = copy != null ? nio_cast(copy) : null; } - private static native int nio_get_Int(FloatBufferImpl b, int index, int limit); - private static native void nio_put_Int(FloatBufferImpl b, int index, int limit, int value); - public IntBuffer asIntBuffer() { IntBufferImpl res = new IntBufferImpl(backing_buffer); res.limit((limit()*4)/4); return res; } - - FloatBufferImpl(long[] copy) { this.backing_buffer = copy != null ? nio_cast(copy) : null; } - private static native long nio_get_Long(FloatBufferImpl b, int index, int limit); - private static native void nio_put_Long(FloatBufferImpl b, int index, int limit, long value); - public LongBuffer asLongBuffer() { LongBufferImpl res = new LongBufferImpl(backing_buffer); res.limit((limit()*8)/4); return res; } - - FloatBufferImpl(float[] copy) { this.backing_buffer = copy != null ? nio_cast(copy) : null; } - private static native float nio_get_Float(FloatBufferImpl b, int index, int limit); - private static native void nio_put_Float(FloatBufferImpl b, int index, int limit, float value); - public FloatBuffer asFloatBuffer() { FloatBufferImpl res = new FloatBufferImpl(backing_buffer); res.limit((limit()*4)/4); return res; } - - FloatBufferImpl(double[] copy) { this.backing_buffer = copy != null ? nio_cast(copy) : null; } - private static native double nio_get_Double(FloatBufferImpl b, int index, int limit); - private static native void nio_put_Double(FloatBufferImpl b, int index, int limit, double value); - public DoubleBuffer asDoubleBuffer() { DoubleBufferImpl res = new DoubleBufferImpl(backing_buffer); res.limit((limit()*8)/4); return res; } - - private static native float[] nio_cast(byte[]copy); - private static native float[] nio_cast(char[]copy); - private static native float[] nio_cast(short[]copy); - private static native float[] nio_cast(long[]copy); - private static native float[] nio_cast(int[]copy); - private static native float[] nio_cast(float[]copy); - private static native float[] nio_cast(double[]copy); - - public boolean isReadOnly() + public boolean isReadOnly () { - return ro; + return readOnly; } public FloatBuffer slice() { - FloatBufferImpl A = new FloatBufferImpl(this); - A.array_offset = position(); - return A; + return new FloatBufferImpl (this); } public FloatBuffer duplicate() @@ -147,9 +107,9 @@ public final class FloatBufferImpl extends FloatBuffer public FloatBuffer asReadOnlyBuffer() { - FloatBufferImpl a = new FloatBufferImpl(this); - a.ro = true; - return a; + FloatBufferImpl result = new FloatBufferImpl (this); + result.readOnly = true; + return result; } public FloatBuffer compact() @@ -159,7 +119,7 @@ public final class FloatBufferImpl extends FloatBuffer public boolean isDirect() { - return backing_buffer != null; + return false; } final public float get() @@ -171,6 +131,9 @@ public final class FloatBufferImpl extends FloatBuffer final public FloatBuffer put(float b) { + if (readOnly) + throw new ReadOnlyBufferException (); + backing_buffer[position()] = b; position(position()+1); return this; @@ -183,14 +146,15 @@ public final class FloatBufferImpl extends FloatBuffer final public FloatBuffer put(int index, float b) { + if (readOnly) + throw new ReadOnlyBufferException (); + backing_buffer[index] = b; return this; } - final public char getChar() { char a = nio_get_Char(this, position(), limit()); inc_pos(2); return a; } final public FloatBuffer putChar(char value) { nio_put_Char(this, position(), limit(), value); inc_pos(2); return this; } final public char getChar(int index) { char a = nio_get_Char(this, index, limit()); return a; } final public FloatBuffer putChar(int index, char value) { nio_put_Char(this, index, limit(), value); return this; }; - final public short getShort() { short a = nio_get_Short(this, position(), limit()); inc_pos(2); return a; } final public FloatBuffer putShort(short value) { nio_put_Short(this, position(), limit(), value); inc_pos(2); return this; } final public short getShort(int index) { short a = nio_get_Short(this, index, limit()); return a; } final public FloatBuffer putShort(int index, short value) { nio_put_Short(this, index, limit(), value); return this; }; - final public int getInt() { int a = nio_get_Int(this, position(), limit()); inc_pos(4); return a; } final public FloatBuffer putInt(int value) { nio_put_Int(this, position(), limit(), value); inc_pos(4); return this; } final public int getInt(int index) { int a = nio_get_Int(this, index, limit()); return a; } final public FloatBuffer putInt(int index, int value) { nio_put_Int(this, index, limit(), value); return this; }; - final public long getLong() { long a = nio_get_Long(this, position(), limit()); inc_pos(8); return a; } final public FloatBuffer putLong(long value) { nio_put_Long(this, position(), limit(), value); inc_pos(8); return this; } final public long getLong(int index) { long a = nio_get_Long(this, index, limit()); return a; } final public FloatBuffer putLong(int index, long value) { nio_put_Long(this, index, limit(), value); return this; }; - final public float getFloat() { return get(); } final public FloatBuffer putFloat(float value) { return put(value); } final public float getFloat(int index) { return get(index); } final public FloatBuffer putFloat(int index, float value) { return put(index, value); }; - final public double getDouble() { double a = nio_get_Double(this, position(), limit()); inc_pos(8); return a; } final public FloatBuffer putDouble(double value) { nio_put_Double(this, position(), limit(), value); inc_pos(8); return this; } final public double getDouble(int index) { double a = nio_get_Double(this, index, limit()); return a; } final public FloatBuffer putDouble(int index, double value) { nio_put_Double(this, index, limit(), value); return this; }; + final public ByteOrder order () + { + return ByteOrder.BIG_ENDIAN; + } } diff --git a/libjava/gnu/java/nio/IntBufferImpl.java b/libjava/gnu/java/nio/IntBufferImpl.java index cccc418..fda2d68 100644 --- a/libjava/gnu/java/nio/IntBufferImpl.java +++ b/libjava/gnu/java/nio/IntBufferImpl.java @@ -38,100 +38,66 @@ exception statement from your version. */ package gnu.java.nio; import java.nio.ByteBuffer; -import java.nio.CharBuffer; -import java.nio.DoubleBuffer; -import java.nio.FloatBuffer; +import java.nio.ByteOrder; import java.nio.IntBuffer; -import java.nio.LongBuffer; -import java.nio.ShortBuffer; +import java.nio.ReadOnlyBufferException; +/** + * This is a Heap memory implementation + */ public final class IntBufferImpl extends IntBuffer { - private int array_offset; - private boolean ro; + private boolean readOnly; public IntBufferImpl(int cap, int off, int lim) { + super (cap, lim, off, 0); this.backing_buffer = new int[cap]; - this.cap = cap; - this.limit(lim); - this.position(off); + readOnly = false; } public IntBufferImpl(int[] array, int off, int lim) { + super (array.length, lim, off, 0); this.backing_buffer = array; - this.cap = array.length; - this.limit(lim); - this.position(off); + readOnly = false; } public IntBufferImpl(IntBufferImpl copy) { + super (copy.capacity (), copy.limit (), copy.position (), 0); backing_buffer = copy.backing_buffer; - ro = copy.ro; - limit(copy.limit()); - position(copy.position()); + readOnly = copy.isReadOnly (); } - void inc_pos(int a) + private static native int[] nio_cast (byte[] copy); + + IntBufferImpl (byte[] copy) { - position(position() + a); + super (copy.length, copy.length, 0, 0); + this.backing_buffer = copy != null ? nio_cast (copy) : null; + readOnly = false; } - IntBufferImpl(byte[] copy) { this.backing_buffer = copy != null ? nio_cast(copy) : null; } - private static native byte nio_get_Byte(IntBufferImpl b, int index, int limit); - private static native void nio_put_Byte(IntBufferImpl b, int index, int limit, byte value); - public ByteBuffer asByteBuffer() { ByteBufferImpl res = new ByteBufferImpl(backing_buffer); res.limit((limit()*1)/4); return res; } - - IntBufferImpl(char[] copy) { this.backing_buffer = copy != null ? nio_cast(copy) : null; } - private static native char nio_get_Char(IntBufferImpl b, int index, int limit); - private static native void nio_put_Char(IntBufferImpl b, int index, int limit, char value); - public CharBuffer asCharBuffer() { CharBufferImpl res = new CharBufferImpl(backing_buffer); res.limit((limit()*2)/4); return res; } - - IntBufferImpl(short[] copy) { this.backing_buffer = copy != null ? nio_cast(copy) : null; } - private static native short nio_get_Short(IntBufferImpl b, int index, int limit); - private static native void nio_put_Short(IntBufferImpl b, int index, int limit, short value); - public ShortBuffer asShortBuffer() { ShortBufferImpl res = new ShortBufferImpl(backing_buffer); res.limit((limit()*2)/4); return res; } - - IntBufferImpl(int[] copy) { this.backing_buffer = copy != null ? nio_cast(copy) : null; } - private static native int nio_get_Int(IntBufferImpl b, int index, int limit); - private static native void nio_put_Int(IntBufferImpl b, int index, int limit, int value); - public IntBuffer asIntBuffer() { IntBufferImpl res = new IntBufferImpl(backing_buffer); res.limit((limit()*4)/4); return res; } - - IntBufferImpl(long[] copy) { this.backing_buffer = copy != null ? nio_cast(copy) : null; } - private static native long nio_get_Long(IntBufferImpl b, int index, int limit); - private static native void nio_put_Long(IntBufferImpl b, int index, int limit, long value); - public LongBuffer asLongBuffer() { LongBufferImpl res = new LongBufferImpl(backing_buffer); res.limit((limit()*8)/4); return res; } - - IntBufferImpl(float[] copy) { this.backing_buffer = copy != null ? nio_cast(copy) : null; } - private static native float nio_get_Float(IntBufferImpl b, int index, int limit); - private static native void nio_put_Float(IntBufferImpl b, int index, int limit, float value); - public FloatBuffer asFloatBuffer() { FloatBufferImpl res = new FloatBufferImpl(backing_buffer); res.limit((limit()*4)/4); return res; } + private static native byte nio_get_Byte (IntBufferImpl b, int index, int limit); - IntBufferImpl(double[] copy) { this.backing_buffer = copy != null ? nio_cast(copy) : null; } - private static native double nio_get_Double(IntBufferImpl b, int index, int limit); - private static native void nio_put_Double(IntBufferImpl b, int index, int limit, double value); - public DoubleBuffer asDoubleBuffer() { DoubleBufferImpl res = new DoubleBufferImpl(backing_buffer); res.limit((limit()*8)/4); return res; } + private static native void nio_put_Byte (IntBufferImpl b, int index, int limit, byte value); - private static native int[] nio_cast(byte[]copy); - private static native int[] nio_cast(char[]copy); - private static native int[] nio_cast(short[]copy); - private static native int[] nio_cast(long[]copy); - private static native int[] nio_cast(int[]copy); - private static native int[] nio_cast(float[]copy); - private static native int[] nio_cast(double[]copy); + public ByteBuffer asByteBuffer () + { + ByteBufferImpl res = new ByteBufferImpl (backing_buffer); + res.limit ((limit () * 1) / 4); + return res; + } public boolean isReadOnly() { - return ro; + return readOnly; } public IntBuffer slice() { - IntBufferImpl A = new IntBufferImpl(this); - A.array_offset = position(); - return A; + return new IntBufferImpl (this); } public IntBuffer duplicate() @@ -141,9 +107,9 @@ public final class IntBufferImpl extends IntBuffer public IntBuffer asReadOnlyBuffer() { - IntBufferImpl a = new IntBufferImpl(this); - a.ro = true; - return a; + IntBufferImpl result = new IntBufferImpl (this); + result.readOnly = true; + return result; } public IntBuffer compact() @@ -153,7 +119,7 @@ public final class IntBufferImpl extends IntBuffer public boolean isDirect() { - return backing_buffer != null; + return false; } final public int get() @@ -165,6 +131,9 @@ public final class IntBufferImpl extends IntBuffer final public IntBuffer put(int b) { + if (readOnly) + throw new ReadOnlyBufferException (); + backing_buffer[position()] = b; position(position()+1); return this; @@ -177,14 +146,15 @@ public final class IntBufferImpl extends IntBuffer final public IntBuffer put(int index, int b) { + if (readOnly) + throw new ReadOnlyBufferException (); + backing_buffer[index] = b; return this; } - - final public char getChar() { char a = nio_get_Char(this, position(), limit()); inc_pos(2); return a; } final public IntBuffer putChar(char value) { nio_put_Char(this, position(), limit(), value); inc_pos(2); return this; } final public char getChar(int index) { char a = nio_get_Char(this, index, limit()); return a; } final public IntBuffer putChar(int index, char value) { nio_put_Char(this, index, limit(), value); return this; }; - final public short getShort() { short a = nio_get_Short(this, position(), limit()); inc_pos(2); return a; } final public IntBuffer putShort(short value) { nio_put_Short(this, position(), limit(), value); inc_pos(2); return this; } final public short getShort(int index) { short a = nio_get_Short(this, index, limit()); return a; } final public IntBuffer putShort(int index, short value) { nio_put_Short(this, index, limit(), value); return this; }; - final public int getInt() { return get(); } final public IntBuffer putInt(int value) { return put(value); } final public int getInt(int index) { return get(index); } final public IntBuffer putInt(int index, int value) { return put(index, value); }; - final public long getLong() { long a = nio_get_Long(this, position(), limit()); inc_pos(8); return a; } final public IntBuffer putLong(long value) { nio_put_Long(this, position(), limit(), value); inc_pos(8); return this; } final public long getLong(int index) { long a = nio_get_Long(this, index, limit()); return a; } final public IntBuffer putLong(int index, long value) { nio_put_Long(this, index, limit(), value); return this; }; - final public float getFloat() { float a = nio_get_Float(this, position(), limit()); inc_pos(4); return a; } final public IntBuffer putFloat(float value) { nio_put_Float(this, position(), limit(), value); inc_pos(4); return this; } final public float getFloat(int index) { float a = nio_get_Float(this, index, limit()); return a; } final public IntBuffer putFloat(int index, float value) { nio_put_Float(this, index, limit(), value); return this; }; - final public double getDouble() { double a = nio_get_Double(this, position(), limit()); inc_pos(8); return a; } final public IntBuffer putDouble(double value) { nio_put_Double(this, position(), limit(), value); inc_pos(8); return this; } final public double getDouble(int index) { double a = nio_get_Double(this, index, limit()); return a; } final public IntBuffer putDouble(int index, double value) { nio_put_Double(this, index, limit(), value); return this; }; + + final public ByteOrder order () + { + return ByteOrder.BIG_ENDIAN; + } } diff --git a/libjava/gnu/java/nio/LongBufferImpl.java b/libjava/gnu/java/nio/LongBufferImpl.java index 8f29b06..5dc4992 100644 --- a/libjava/gnu/java/nio/LongBufferImpl.java +++ b/libjava/gnu/java/nio/LongBufferImpl.java @@ -38,100 +38,66 @@ exception statement from your version. */ package gnu.java.nio; import java.nio.ByteBuffer; -import java.nio.CharBuffer; -import java.nio.DoubleBuffer; -import java.nio.FloatBuffer; -import java.nio.IntBuffer; +import java.nio.ByteOrder; import java.nio.LongBuffer; -import java.nio.ShortBuffer; +import java.nio.ReadOnlyBufferException; +/** + * This is a Heap memory implementation + */ public final class LongBufferImpl extends LongBuffer { - private int array_offset; - private boolean ro; + private boolean readOnly; public LongBufferImpl(int cap, int off, int lim) { + super (cap, lim, off, 0); this.backing_buffer = new long[cap]; - this.cap = cap ; - this.limit(lim); - this.position(off); + readOnly = false; } public LongBufferImpl(long[] array, int off, int lim) { + super (array.length, lim, off, 0); this.backing_buffer = array; - this.cap = array.length; - this.limit(lim); - this.position(off); + readOnly = false; } public LongBufferImpl(LongBufferImpl copy) { + super (copy.capacity (), copy.limit (), copy.position (), 0); backing_buffer = copy.backing_buffer; - ro = copy.ro; - limit(copy.limit()); - position(copy.position()); + readOnly = copy.isReadOnly (); } - void inc_pos(int a) + private static native long[] nio_cast (byte[] copy); + + LongBufferImpl (byte[] copy) { - position(position() + a); + super (copy.length, copy.length, 0, 0); + this.backing_buffer = copy != null ? nio_cast (copy) : null; + readOnly = false; } - LongBufferImpl(byte[] copy) { this.backing_buffer = copy != null ? nio_cast(copy) : null; } - private static native byte nio_get_Byte(LongBufferImpl b, int index, int limit); - private static native void nio_put_Byte(LongBufferImpl b, int index, int limit, byte value); - public ByteBuffer asByteBuffer() { ByteBufferImpl res = new ByteBufferImpl(backing_buffer); res.limit((limit()*1)/8); return res; } - - LongBufferImpl(char[] copy) { this.backing_buffer = copy != null ? nio_cast(copy) : null; } - private static native char nio_get_Char(LongBufferImpl b, int index, int limit); - private static native void nio_put_Char(LongBufferImpl b, int index, int limit, char value); - public CharBuffer asCharBuffer() { CharBufferImpl res = new CharBufferImpl(backing_buffer); res.limit((limit()*2)/8); return res; } - - LongBufferImpl(short[] copy) { this.backing_buffer = copy != null ? nio_cast(copy) : null; } - private static native short nio_get_Short(LongBufferImpl b, int index, int limit); - private static native void nio_put_Short(LongBufferImpl b, int index, int limit, short value); - public ShortBuffer asShortBuffer() { ShortBufferImpl res = new ShortBufferImpl(backing_buffer); res.limit((limit()*2)/8); return res; } - - LongBufferImpl(int[] copy) { this.backing_buffer = copy != null ? nio_cast(copy) : null; } - private static native int nio_get_Int(LongBufferImpl b, int index, int limit); - private static native void nio_put_Int(LongBufferImpl b, int index, int limit, int value); - public IntBuffer asIntBuffer() { IntBufferImpl res = new IntBufferImpl(backing_buffer); res.limit((limit()*4)/8); return res; } - - LongBufferImpl(long[] copy) { this.backing_buffer = copy != null ? nio_cast(copy) : null; } - private static native long nio_get_Long(LongBufferImpl b, int index, int limit); - private static native void nio_put_Long(LongBufferImpl b, int index, int limit, long value); - public LongBuffer asLongBuffer() { LongBufferImpl res = new LongBufferImpl(backing_buffer); res.limit((limit()*8)/8); return res; } + private static native byte nio_get_Byte (LongBufferImpl b, int index, int limit); - LongBufferImpl(float[] copy) { this.backing_buffer = copy != null ? nio_cast(copy) : null; } - private static native float nio_get_Float(LongBufferImpl b, int index, int limit); - private static native void nio_put_Float(LongBufferImpl b, int index, int limit, float value); - public FloatBuffer asFloatBuffer() { FloatBufferImpl res = new FloatBufferImpl(backing_buffer); res.limit((limit()*4)/8); return res; } + private static native void nio_put_Byte (LongBufferImpl b, int index, int limit, byte value); - LongBufferImpl(double[] copy) { this.backing_buffer = copy != null ? nio_cast(copy) : null; } - private static native double nio_get_Double(LongBufferImpl b, int index, int limit); - private static native void nio_put_Double(LongBufferImpl b, int index, int limit, double value); - public DoubleBuffer asDoubleBuffer() { DoubleBufferImpl res = new DoubleBufferImpl(backing_buffer); res.limit((limit()*8)/8); return res; } - - private static native long[] nio_cast(byte[]copy); - private static native long[] nio_cast(char[]copy); - private static native long[] nio_cast(short[]copy); - private static native long[] nio_cast(long[]copy); - private static native long[] nio_cast(int[]copy); - private static native long[] nio_cast(float[]copy); - private static native long[] nio_cast(double[]copy); + public ByteBuffer asByteBuffer () + { + ByteBufferImpl res = new ByteBufferImpl (backing_buffer); + res.limit ((limit () * 1) / 8); + return res; + } public boolean isReadOnly() { - return ro; + return readOnly; } public LongBuffer slice() { - LongBufferImpl A = new LongBufferImpl(this); - A.array_offset = position(); - return A; + return new LongBufferImpl (this); } public LongBuffer duplicate() @@ -141,9 +107,9 @@ public final class LongBufferImpl extends LongBuffer public LongBuffer asReadOnlyBuffer() { - LongBufferImpl a = new LongBufferImpl(this); - a.ro = true; - return a; + LongBufferImpl result = new LongBufferImpl (this); + result.readOnly = true; + return result; } public LongBuffer compact() @@ -153,7 +119,7 @@ public final class LongBufferImpl extends LongBuffer public boolean isDirect() { - return backing_buffer != null; + return false; } final public long get() @@ -165,6 +131,9 @@ public final class LongBufferImpl extends LongBuffer final public LongBuffer put(long b) { + if (readOnly) + throw new ReadOnlyBufferException (); + backing_buffer[position()] = b; position(position()+1); return this; @@ -177,14 +146,15 @@ public final class LongBufferImpl extends LongBuffer final public LongBuffer put(int index, long b) { + if (readOnly) + throw new ReadOnlyBufferException (); + backing_buffer[index] = b; return this; } - final public char getChar() { char a = nio_get_Char(this, position(), limit()); inc_pos(2); return a; } final public LongBuffer putChar(char value) { nio_put_Char(this, position(), limit(), value); inc_pos(2); return this; } final public char getChar(int index) { char a = nio_get_Char(this, index, limit()); return a; } final public LongBuffer putChar(int index, char value) { nio_put_Char(this, index, limit(), value); return this; }; - final public short getShort() { short a = nio_get_Short(this, position(), limit()); inc_pos(2); return a; } final public LongBuffer putShort(short value) { nio_put_Short(this, position(), limit(), value); inc_pos(2); return this; } final public short getShort(int index) { short a = nio_get_Short(this, index, limit()); return a; } final public LongBuffer putShort(int index, short value) { nio_put_Short(this, index, limit(), value); return this; }; - final public int getInt() { int a = nio_get_Int(this, position(), limit()); inc_pos(4); return a; } final public LongBuffer putInt(int value) { nio_put_Int(this, position(), limit(), value); inc_pos(4); return this; } final public int getInt(int index) { int a = nio_get_Int(this, index, limit()); return a; } final public LongBuffer putInt(int index, int value) { nio_put_Int(this, index, limit(), value); return this; }; - final public long getLong() { return get(); } final public LongBuffer putLong(long value) { return put(value); } final public long getLong(int index) { return get(index); } final public LongBuffer putLong(int index, long value) { return put(index, value); }; - final public float getFloat() { float a = nio_get_Float(this, position(), limit()); inc_pos(4); return a; } final public LongBuffer putFloat(float value) { nio_put_Float(this, position(), limit(), value); inc_pos(4); return this; } final public float getFloat(int index) { float a = nio_get_Float(this, index, limit()); return a; } final public LongBuffer putFloat(int index, float value) { nio_put_Float(this, index, limit(), value); return this; }; - final public double getDouble() { double a = nio_get_Double(this, position(), limit()); inc_pos(8); return a; } final public LongBuffer putDouble(double value) { nio_put_Double(this, position(), limit(), value); inc_pos(8); return this; } final public double getDouble(int index) { double a = nio_get_Double(this, index, limit()); return a; } final public LongBuffer putDouble(int index, double value) { nio_put_Double(this, index, limit(), value); return this; }; + final public ByteOrder order () + { + return ByteOrder.BIG_ENDIAN; + } } diff --git a/libjava/gnu/java/nio/ShortBufferImpl.java b/libjava/gnu/java/nio/ShortBufferImpl.java index bccb2d0..c55f098 100644 --- a/libjava/gnu/java/nio/ShortBufferImpl.java +++ b/libjava/gnu/java/nio/ShortBufferImpl.java @@ -38,100 +38,66 @@ exception statement from your version. */ package gnu.java.nio; import java.nio.ByteBuffer; -import java.nio.CharBuffer; -import java.nio.DoubleBuffer; -import java.nio.FloatBuffer; -import java.nio.IntBuffer; -import java.nio.LongBuffer; +import java.nio.ByteOrder; import java.nio.ShortBuffer; +import java.nio.ReadOnlyBufferException; +/** + * This is a Heap memory implementation + */ public final class ShortBufferImpl extends ShortBuffer { - private int array_offset; - private boolean ro; + private boolean readOnly; public ShortBufferImpl(int cap, int off, int lim) { - this.backing_buffer = new short[cap]; - this.cap = cap ; - this.limit(lim); - this.position(off); + super (cap, lim, off, 0); + this.backing_buffer = new short [cap]; + readOnly = false; } public ShortBufferImpl(short[] array, int off, int lim) { + super (array.length, lim, off, 0); this.backing_buffer = array; - this.cap = array.length; - this.limit(lim); - this.position(off); + readOnly = false; } public ShortBufferImpl(ShortBufferImpl copy) { + super (copy.capacity (), copy.limit (), copy.position (), 0); backing_buffer = copy.backing_buffer; - ro = copy.ro; - limit(copy.limit()); - position(copy.position()); + readOnly = copy.isReadOnly (); } - void inc_pos(int a) + private static native short[] nio_cast (byte[] copy); + + ShortBufferImpl (byte[] copy) { - position(position() + a); + super (copy.length, copy.length, 0, 0); + this.backing_buffer = copy != null ? nio_cast (copy) : null; + readOnly = false; + } + + private static native byte nio_get_Byte (ShortBufferImpl b, int index, int limit); + + private static native void nio_put_Byte (ShortBufferImpl b, int index, int limit, byte value); + + public ByteBuffer asByteBuffer () + { + ByteBufferImpl res = new ByteBufferImpl (backing_buffer); + res.limit ((limit () * 1) / 2); + return res; } - - ShortBufferImpl(byte[] copy) { this.backing_buffer = copy != null ? nio_cast(copy) : null; } - private static native byte nio_get_Byte(ShortBufferImpl b, int index, int limit); - private static native void nio_put_Byte(ShortBufferImpl b, int index, int limit, byte value); - public ByteBuffer asByteBuffer() { ByteBufferImpl res = new ByteBufferImpl(backing_buffer); res.limit((limit()*1)/2); return res; } - - ShortBufferImpl(char[] copy) { this.backing_buffer = copy != null ? nio_cast(copy) : null; } - private static native char nio_get_Char(ShortBufferImpl b, int index, int limit); - private static native void nio_put_Char(ShortBufferImpl b, int index, int limit, char value); - public CharBuffer asCharBuffer() { CharBufferImpl res = new CharBufferImpl(backing_buffer); res.limit((limit()*2)/2); return res; } - - ShortBufferImpl(short[] copy) { this.backing_buffer = copy != null ? nio_cast(copy) : null; } - private static native short nio_get_Short(ShortBufferImpl b, int index, int limit); - private static native void nio_put_Short(ShortBufferImpl b, int index, int limit, short value); - public ShortBuffer asShortBuffer() { ShortBufferImpl res = new ShortBufferImpl(backing_buffer); res.limit((limit()*2)/2); return res; } - - ShortBufferImpl(int[] copy) { this.backing_buffer = copy != null ? nio_cast(copy) : null; } - private static native int nio_get_Int(ShortBufferImpl b, int index, int limit); - private static native void nio_put_Int(ShortBufferImpl b, int index, int limit, int value); - public IntBuffer asIntBuffer() { IntBufferImpl res = new IntBufferImpl(backing_buffer); res.limit((limit()*4)/2); return res; } - - ShortBufferImpl(long[] copy) { this.backing_buffer = copy != null ? nio_cast(copy) : null; } - private static native long nio_get_Long(ShortBufferImpl b, int index, int limit); - private static native void nio_put_Long(ShortBufferImpl b, int index, int limit, long value); - public LongBuffer asLongBuffer() { LongBufferImpl res = new LongBufferImpl(backing_buffer); res.limit((limit()*8)/2); return res; } - - ShortBufferImpl(float[] copy) { this.backing_buffer = copy != null ? nio_cast(copy) : null; } - private static native float nio_get_Float(ShortBufferImpl b, int index, int limit); - private static native void nio_put_Float(ShortBufferImpl b, int index, int limit, float value); - public FloatBuffer asFloatBuffer() { FloatBufferImpl res = new FloatBufferImpl(backing_buffer); res.limit((limit()*4)/2); return res; } - - ShortBufferImpl(double[] copy) { this.backing_buffer = copy != null ? nio_cast(copy) : null; } - private static native double nio_get_Double(ShortBufferImpl b, int index, int limit); - private static native void nio_put_Double(ShortBufferImpl b, int index, int limit, double value); - public DoubleBuffer asDoubleBuffer() { DoubleBufferImpl res = new DoubleBufferImpl(backing_buffer); res.limit((limit()*8)/2); return res; } - - private static native short[] nio_cast(byte[]copy); - private static native short[] nio_cast(char[]copy); - private static native short[] nio_cast(short[]copy); - private static native short[] nio_cast(long[]copy); - private static native short[] nio_cast(int[]copy); - private static native short[] nio_cast(float[]copy); - private static native short[] nio_cast(double[]copy); public boolean isReadOnly() { - return ro; + return readOnly; } public ShortBuffer slice() { - ShortBufferImpl a = new ShortBufferImpl(this); - a.array_offset = position(); - return a; + return new ShortBufferImpl (this); } public ShortBuffer duplicate() @@ -141,9 +107,9 @@ public final class ShortBufferImpl extends ShortBuffer public ShortBuffer asReadOnlyBuffer() { - ShortBufferImpl a = new ShortBufferImpl(this); - a.ro = true; - return a; + ShortBufferImpl result = new ShortBufferImpl (this); + result.readOnly = true; + return result; } public ShortBuffer compact() @@ -153,7 +119,7 @@ public final class ShortBufferImpl extends ShortBuffer public boolean isDirect() { - return backing_buffer != null; + return false; } final public short get() @@ -165,6 +131,9 @@ public final class ShortBufferImpl extends ShortBuffer final public ShortBuffer put(short b) { + if (readOnly) + throw new ReadOnlyBufferException (); + backing_buffer[position()] = b; position(position()+1); return this; @@ -177,14 +146,15 @@ public final class ShortBufferImpl extends ShortBuffer final public ShortBuffer put(int index, short b) { + if (readOnly) + throw new ReadOnlyBufferException (); + backing_buffer[index] = b; return this; } - - final public char getChar() { char a = nio_get_Char(this, position(), limit()); inc_pos(2); return a; } final public ShortBuffer putChar(char value) { nio_put_Char(this, position(), limit(), value); inc_pos(2); return this; } final public char getChar(int index) { char a = nio_get_Char(this, index, limit()); return a; } final public ShortBuffer putChar(int index, char value) { nio_put_Char(this, index, limit(), value); return this; }; - final public short getShort() { return get(); } final public ShortBuffer putShort(short value) { return put(value); } final public short getShort(int index) { return get(index); } final public ShortBuffer putShort(int index, short value) { return put(index, value); }; - final public int getInt() { int a = nio_get_Int(this, position(), limit()); inc_pos(4); return a; } final public ShortBuffer putInt(int value) { nio_put_Int(this, position(), limit(), value); inc_pos(4); return this; } final public int getInt(int index) { int a = nio_get_Int(this, index, limit()); return a; } final public ShortBuffer putInt(int index, int value) { nio_put_Int(this, index, limit(), value); return this; }; - final public long getLong() { long a = nio_get_Long(this, position(), limit()); inc_pos(8); return a; } final public ShortBuffer putLong(long value) { nio_put_Long(this, position(), limit(), value); inc_pos(8); return this; } final public long getLong(int index) { long a = nio_get_Long(this, index, limit()); return a; } final public ShortBuffer putLong(int index, long value) { nio_put_Long(this, index, limit(), value); return this; }; - final public float getFloat() { float a = nio_get_Float(this, position(), limit()); inc_pos(4); return a; } final public ShortBuffer putFloat(float value) { nio_put_Float(this, position(), limit(), value); inc_pos(4); return this; } final public float getFloat(int index) { float a = nio_get_Float(this, index, limit()); return a; } final public ShortBuffer putFloat(int index, float value) { nio_put_Float(this, index, limit(), value); return this; }; - final public double getDouble() { double a = nio_get_Double(this, position(), limit()); inc_pos(8); return a; } final public ShortBuffer putDouble(double value) { nio_put_Double(this, position(), limit(), value); inc_pos(8); return this; } final public double getDouble(int index) { double a = nio_get_Double(this, index, limit()); return a; } final public ShortBuffer putDouble(int index, double value) { nio_put_Double(this, index, limit(), value); return this; }; + + final public ByteOrder order () + { + return ByteOrder.BIG_ENDIAN; + } } |