CollationKey.java: Implement Comparable.

	* java/text/CollationKey.java: Implement Comparable.
	(compareTo(Object)): New method.
	* java/text/Collator.java (compare(Object,Object)): New method.
	Implement Comparator.

	* java/util/zip/InflaterInputStream.java (available): New method.
	(close): New method.
	(read, available, skip, fill): Throw exception if stream closed.
	* java/util/zip/ZipInputStream.java (read, skip, readFully, fill,
	getNextEntry): Throw exception if closed.

From-SVN: r37525

5 files changed, 78 insertions, 10 deletions

diff --git a/libjava/ChangeLog b/libjava/ChangeLog
index 95df808..bf5b81a 100644
--- a/libjava/ChangeLog
+++ b/libjava/ChangeLog
@@ -1,3 +1,32 @@
+2000-11-17  Tom Tromey  <tromey@cygnus.com>
+
+	* java/text/CollationKey.java: Implement Comparable.
+	(compareTo(Object)): New method.
+	* java/text/Collator.java (compare(Object,Object)): New method.
+	Implement Comparator.
+
+	* java/util/zip/InflaterInputStream.java (available): New method.
+	(close): New method.
+	(read, available, skip, fill): Throw exception if stream closed.
+	* java/util/zip/ZipInputStream.java (read, skip, readFully, fill,
+	getNextEntry): Throw exception if closed.
+
+2000-11-16  Tom Tromey  <tromey@cygnus.com>
+
+	* java/io/PushbackReader.java: Merged with Classpath.
+	* java/util/Arrays.java: Updated from Classpath.
+
+	* scripts/blocks.pl: New file.
+	* java/lang/Character.java (Subset): New class.
+	(UnicodeBlock): New class.
+
+	* java/lang/Math.java (toDegrees, toRadians): New methods.
+
+	* java/lang/Float.java: Implement Comparable.
+	(compareTo): New methods.
+	* java/lang/Double.java: Implement Comparable.
+	(compareTo): New methods.
+
 2000-11-16  Warren Levy  <warrenl@cygnus.com>
 
 	* java/beans/PropertyChangeSupport.java (propertyListeners): Made
diff --git a/libjava/java/text/CollationKey.java b/libjava/java/text/CollationKey.java
index 725b66a..966c64d 100644
--- a/libjava/java/text/CollationKey.java
+++ b/libjava/java/text/CollationKey.java
@@ -1,6 +1,6 @@
 // CollationKey.java - Sort key for locale-sensitive String.
 
-/* Copyright (C) 1999  Free Software Foundation
+/* Copyright (C) 1999, 2000  Free Software Foundation
 
    This file is part of libgcj.
 
@@ -19,7 +19,7 @@ package java.text;
  * Status: Believed complete and correct.
  */
 
-public final class CollationKey
+public final class CollationKey implements Comparable
 {
   public int compareTo (CollationKey target)
   {
@@ -34,6 +34,11 @@ public final class CollationKey
     return key.length - target.key.length;
   }
 
+  public int compareTo (Object o)
+  {
+    return compareTo ((CollationKey) o);
+  }
+
   public boolean equals (Object obj)
   {
     if (! (obj instanceof CollationKey))
diff --git a/libjava/java/text/Collator.java b/libjava/java/text/Collator.java
index 4280ea2..60da531 100644
--- a/libjava/java/text/Collator.java
+++ b/libjava/java/text/Collator.java
@@ -13,6 +13,7 @@ package java.text;
 import java.util.Locale;
 import java.util.MissingResourceException;
 import java.util.ResourceBundle;
+import java.util.Comparator;
 
 /**
  * @author Tom Tromey <tromey@cygnus.com>
@@ -23,7 +24,7 @@ import java.util.ResourceBundle;
  * Status: Mostly complete, but parts stubbed out.  Look for FIXME.
  */
 
-public abstract class Collator implements Cloneable
+public abstract class Collator implements Comparator, Cloneable
 {
   public static final int NO_DECOMPOSITION = 0;
   public static final int CANONICAL_DECOMPOSITION = 1;
@@ -42,6 +43,11 @@ public abstract class Collator implements Cloneable
 
   public abstract int compare (String source, String target);
 
+  public int compare (Object o1, Object o2)
+  {
+    return compare ((String) o1, (String) o2);
+  }
+
   public boolean equals (Object obj)
   {
     if (! (obj instanceof Collator))
diff --git a/libjava/java/util/zip/InflaterInputStream.java b/libjava/java/util/zip/InflaterInputStream.java
index e09f208..3db1b2a 100644
--- a/libjava/java/util/zip/InflaterInputStream.java
+++ b/libjava/java/util/zip/InflaterInputStream.java
@@ -1,6 +1,6 @@
 // InflaterInputStream.java - Input stream filter for decompressing.
 
-/* Copyright (C) 1999  Free Software Foundation
+/* Copyright (C) 1999, 2000  Free Software Foundation
 
    This file is part of libgcj.
 
@@ -28,6 +28,8 @@ public class InflaterInputStream extends FilterInputStream
 {
   protected void fill () throws IOException
   {
+    if (inf == null)
+      throw new IOException ("stream closed");
     len = in.read(buf, 0, buf.length);
     if (len != -1)
       inf.setInput(buf, 0, len);
@@ -61,6 +63,8 @@ public class InflaterInputStream extends FilterInputStream
 
   public int read (byte[] buf, int off, int len) throws IOException
   {
+    if (inf == null)
+      throw new IOException ("stream closed");
     if (inf.finished())
       return -1;
     if (inf.needsInput())
@@ -79,8 +83,26 @@ public class InflaterInputStream extends FilterInputStream
       }
   }
 
+  public void close () throws IOException
+  {
+    inf = null;
+    super.close ();
+  }
+
+  public int available () throws IOException
+  {
+    // According to the JDK 1.2 docs, this should only ever return 0
+    // or 1 and should not be relied upon by Java programs.
+    if (inf == null)
+      throw new IOException ("stream closed");
+    return inf.finished () ? 0 : 1;
+  }
+
   public long skip (long n) throws IOException
   {
+    if (inf == null)
+      throw new IOException ("stream closed");
+
     if (n == 0)
       return 0;
 
diff --git a/libjava/java/util/zip/ZipInputStream.java b/libjava/java/util/zip/ZipInputStream.java
index 79efb59..b50cc7b 100644
--- a/libjava/java/util/zip/ZipInputStream.java
+++ b/libjava/java/util/zip/ZipInputStream.java
@@ -35,6 +35,8 @@ public class ZipInputStream extends InflaterInputStream implements ZipConstants
 
   public ZipEntry getNextEntry () throws IOException
   {
+    if (closed)
+      throw new IOException ("stream closed");
     if (current != null)
       closeEntry();
     if (in.read() != 'P'
@@ -112,6 +114,8 @@ public class ZipInputStream extends InflaterInputStream implements ZipConstants
   // back data.
   protected void fill () throws IOException
   {
+    if (closed)
+      throw new IOException ("stream closed");
     int count = buf.length;
     if (count > compressed_bytes)
       count = compressed_bytes;
@@ -127,9 +131,11 @@ public class ZipInputStream extends InflaterInputStream implements ZipConstants
   {
     return new ZipEntry (name);
   }
-  
+
   public int read (byte[] b, int off, int len)  throws IOException
   {
+    if (closed)
+      throw new IOException ("stream closed");
     if (len > avail)
       len = avail;
     int count;
@@ -149,6 +155,8 @@ public class ZipInputStream extends InflaterInputStream implements ZipConstants
 
   public long skip (long n)  throws IOException
   {
+    if (closed)
+      throw new IOException ("stream closed");
     if (n > avail)
       n = avail;
     long count;
@@ -160,11 +168,9 @@ public class ZipInputStream extends InflaterInputStream implements ZipConstants
     return count;
   }
 
-  public int available() {
-    if (closed)
-      return 0;
-    else
-      return 1;
+  public int available()
+  {
+    return closed ? 0 : 1;
   }
 
   private void readFully (byte[] b)  throws IOException