aboutsummaryrefslogtreecommitdiff
path: root/libjava/java/nio/DoubleBuffer.java
diff options
context:
space:
mode:
Diffstat (limited to 'libjava/java/nio/DoubleBuffer.java')
-rw-r--r--libjava/java/nio/DoubleBuffer.java225
1 files changed, 225 insertions, 0 deletions
diff --git a/libjava/java/nio/DoubleBuffer.java b/libjava/java/nio/DoubleBuffer.java
new file mode 100644
index 0000000..7059b6e
--- /dev/null
+++ b/libjava/java/nio/DoubleBuffer.java
@@ -0,0 +1,225 @@
+/* DoubleBuffer.java --
+ Copyright (C) 2002 Free Software Foundation, Inc.
+
+This file is part of GNU Classpath.
+
+GNU Classpath is free software; you can redistribute it and/or modify
+it under the terms of the GNU General Public License as published by
+the Free Software Foundation; either version 2, or (at your option)
+any later version.
+
+GNU Classpath is distributed in the hope that it will be useful, but
+WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+General Public License for more details.
+
+You should have received a copy of the GNU General Public License
+along with GNU Classpath; see the file COPYING. If not, write to the
+Free Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
+02111-1307 USA.
+
+Linking this library statically or dynamically with other modules is
+making a combined work based on this library. Thus, the terms and
+conditions of the GNU General Public License cover the whole
+combination.
+
+As a special exception, the copyright holders of this library give you
+permission to link this library with independent modules to produce an
+executable, regardless of the license terms of these independent
+modules, and to copy and distribute the resulting executable under
+terms of your choice, provided that you also meet, for each linked
+independent module, the terms and conditions of the license of that
+module. An independent module is a module which is not derived from
+or based on this library. If you modify this library, you may extend
+this exception to your version of the library, but you are not
+obligated to do so. If you do not wish to do so, delete this
+exception statement from your version. */
+
+package java.nio;
+
+import gnu.java.nio.DoubleBufferImpl;
+
+public abstract class DoubleBuffer extends Buffer
+{
+ private ByteOrder endian = ByteOrder.BIG_ENDIAN;
+ protected double [] backing_buffer;
+
+ public static DoubleBuffer allocateDirect(int capacity)
+ {
+ return new DoubleBufferImpl(capacity, 0, capacity);
+ }
+
+ public static DoubleBuffer allocate(int capacity)
+ {
+ return new DoubleBufferImpl(capacity, 0, capacity);
+ }
+
+ final public static DoubleBuffer wrap (double[] array, int offset, int length)
+ {
+ return new DoubleBufferImpl(array, offset, length);
+ }
+
+ final public static DoubleBuffer wrap(String a)
+ {
+ int len = a.length();
+ double[] buffer = new double[len];
+
+ for (int i=0;i<len;i++)
+ {
+ buffer[i] = (double) a.charAt(i);
+ }
+
+ return wrap(buffer, 0, len);
+ }
+
+ final public static DoubleBuffer wrap(double[] array)
+ {
+ return wrap(array, 0, array.length);
+ }
+
+ final public DoubleBuffer get (double[] dst, int offset, int length)
+ {
+ for (int i = offset; i < offset + length; i++)
+ {
+ dst[i] = get();
+ }
+
+ return this;
+ }
+
+ final public DoubleBuffer get(double[] dst)
+ {
+ return get(dst, 0, dst.length);
+ }
+
+ final public DoubleBuffer put(DoubleBuffer src)
+ {
+ while (src.hasRemaining())
+ put(src.get());
+
+ return this;
+ }
+
+ final public DoubleBuffer put (double[] src, int offset, int length)
+ {
+ for (int i = offset; i < offset + length; i++)
+ put(src[i]);
+
+ return this;
+ }
+
+ public final DoubleBuffer put(double[] src)
+ {
+ return put(src, 0, src.length);
+ }
+
+ public final boolean hasArray()
+ {
+ return (backing_buffer != null);
+ }
+
+ public final double[] array()
+ {
+ return backing_buffer;
+ }
+
+ public final int arrayOffset()
+ {
+ return 0;
+ }
+
+ public int hashCode()
+ {
+ return super.hashCode();
+ }
+
+ public boolean equals(Object obj)
+ {
+ if (obj instanceof DoubleBuffer)
+ {
+ return compareTo(obj) == 0;
+ }
+
+ return false;
+ }
+
+ public int compareTo(Object ob)
+ {
+ DoubleBuffer a = (DoubleBuffer) ob;
+
+ if (a.remaining() != remaining())
+ return 1;
+
+ if (! hasArray() ||
+ ! a.hasArray())
+ {
+ return 1;
+ }
+
+ int r = remaining();
+ int i1 = position ();
+ int i2 = a.position ();
+
+ for (int i=0;i<r;i++)
+ {
+ int t = (int) (get(i1)- a.get(i2));
+ if (t != 0)
+ {
+ return (int) t;
+ }
+ }
+
+ return 0;
+ }
+
+ public final ByteOrder order()
+ {
+ return endian;
+ }
+
+ public final DoubleBuffer order(ByteOrder bo)
+ {
+ endian = bo;
+ return this;
+ }
+
+ public abstract double get();
+ public abstract DoubleBuffer put (double b);
+ public abstract double get(int index);
+ public abstract DoubleBuffer put(int index, double b);
+ public abstract DoubleBuffer compact();
+ public abstract boolean isDirect();
+ public abstract DoubleBuffer slice();
+ public abstract DoubleBuffer duplicate();
+ public abstract DoubleBuffer asReadOnlyBuffer();
+ public abstract ShortBuffer asShortBuffer();
+ public abstract CharBuffer asCharBuffer();
+ public abstract IntBuffer asIntBuffer();
+ public abstract LongBuffer asLongBuffer();
+ public abstract FloatBuffer asFloatBuffer();
+ public abstract DoubleBuffer asDoubleBuffer();
+ public abstract char getChar();
+ public abstract DoubleBuffer putChar(char value);
+ public abstract char getChar(int index);
+ public abstract DoubleBuffer putChar(int index, char value);
+ public abstract short getShort();
+ public abstract DoubleBuffer putShort(short value);
+ public abstract short getShort(int index);
+ public abstract DoubleBuffer putShort(int index, short value);
+ public abstract int getInt();
+ public abstract DoubleBuffer putInt(int value);
+ public abstract int getInt(int index);
+ public abstract DoubleBuffer putInt(int index, int value);
+ public abstract long getLong();
+ public abstract DoubleBuffer putLong(long value);
+ public abstract long getLong(int index);
+ public abstract DoubleBuffer putLong(int index, long value);
+ public abstract float getFloat();
+ public abstract DoubleBuffer putFloat(float value);
+ public abstract float getFloat(int index);
+ public abstract DoubleBuffer putFloat(int index, float value);
+ public abstract double getDouble();
+ public abstract DoubleBuffer putDouble(double value);
+ public abstract double getDouble(int index);
+ public abstract DoubleBuffer putDouble(int index, double value);
+}