2003-02-13 Michael Koch <konqueror@gmx.de>

	* gnu/java/nio/natByteBufferImpl.cc,
	gnu/java/nio/natCharBufferImpl.cc,
	gnu/java/nio/natDoubleBufferImpl.cc,
	gnu/java/nio/natFloatBufferImpl.cc,
	gnu/java/nio/natIntBufferImpl.cc,
	gnu/java/nio/natLongBufferImpl.cc,
	gnu/java/nio/natShortBufferImpl.cc:
	Added copyright and license.
	* java/nio/DoubleBuffer.java,
	java/nio/FloatBuffer.java,
	java/nio/IntBuffer.java,
	java/nio/LongBuffer.java,
	java/nio/ShortBuffer.java
	(array): Throw exceptions.
	(arrayOffset): Throw exceptions.


git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@62832 138bc75d-0d04-0410-961f-82ee72b054a4

5 files changed, 60 insertions, 0 deletions

diff --git a/libjava/java/nio/DoubleBuffer.java b/libjava/java/nio/DoubleBuffer.java
index 72a6c09078d..036579a802b 100644
--- a/libjava/java/nio/DoubleBuffer.java
+++ b/libjava/java/nio/DoubleBuffer.java
@@ -125,11 +125,23 @@ public abstract class DoubleBuffer extends Buffer implements Comparable
 
   public final double[] array()
   {
+    if (backing_buffer == null)
+      throw new UnsupportedOperationException ();
+
+    if (isReadOnly ())
+      throw new ReadOnlyBufferException ();
+    
     return backing_buffer;
   }
 
   public final int arrayOffset()
   {
+    if (backing_buffer == null)
+      throw new UnsupportedOperationException ();
+
+    if (isReadOnly ())
+      throw new ReadOnlyBufferException ();
+    
     return array_offset;
   }
 
diff --git a/libjava/java/nio/FloatBuffer.java b/libjava/java/nio/FloatBuffer.java
index b780ff597d8..8531cb99f9d 100644
--- a/libjava/java/nio/FloatBuffer.java
+++ b/libjava/java/nio/FloatBuffer.java
@@ -126,11 +126,23 @@ public abstract class FloatBuffer extends Buffer implements Comparable
 
   public final float[] array()
   {
+    if (backing_buffer == null)
+      throw new UnsupportedOperationException ();
+
+    if (isReadOnly ())
+      throw new ReadOnlyBufferException ();
+    
     return backing_buffer;
   }
 
   public final int arrayOffset()
   {
+    if (backing_buffer == null)
+      throw new UnsupportedOperationException ();
+
+    if (isReadOnly ())
+      throw new ReadOnlyBufferException ();
+    
     return array_offset;
   }
 
diff --git a/libjava/java/nio/IntBuffer.java b/libjava/java/nio/IntBuffer.java
index aca6e0f1902..ddf03d8364d 100644
--- a/libjava/java/nio/IntBuffer.java
+++ b/libjava/java/nio/IntBuffer.java
@@ -126,11 +126,23 @@ public abstract class IntBuffer extends Buffer implements Comparable
 
   public final int[] array()
   {
+    if (backing_buffer == null)
+      throw new UnsupportedOperationException ();
+
+    if (isReadOnly ())
+      throw new ReadOnlyBufferException ();
+    
     return backing_buffer;
   }
 
   public final int arrayOffset()
   {
+    if (backing_buffer == null)
+      throw new UnsupportedOperationException ();
+
+    if (isReadOnly ())
+      throw new ReadOnlyBufferException ();
+    
     return array_offset;
   }
 
diff --git a/libjava/java/nio/LongBuffer.java b/libjava/java/nio/LongBuffer.java
index 0ddc7938a49..63eb5af1a11 100644
--- a/libjava/java/nio/LongBuffer.java
+++ b/libjava/java/nio/LongBuffer.java
@@ -126,11 +126,23 @@ public abstract class LongBuffer extends Buffer implements Comparable
 
   public final long[] array()
   {
+    if (backing_buffer == null)
+      throw new UnsupportedOperationException ();
+
+    if (isReadOnly ())
+      throw new ReadOnlyBufferException ();
+    
     return backing_buffer;
   }
 
   public final int arrayOffset()
   {
+    if (backing_buffer == null)
+      throw new UnsupportedOperationException ();
+
+    if (isReadOnly ())
+      throw new ReadOnlyBufferException ();
+    
     return array_offset;
   }
 
diff --git a/libjava/java/nio/ShortBuffer.java b/libjava/java/nio/ShortBuffer.java
index 512c9fd8bec..7a71cad6d85 100644
--- a/libjava/java/nio/ShortBuffer.java
+++ b/libjava/java/nio/ShortBuffer.java
@@ -126,11 +126,23 @@ public abstract class ShortBuffer extends Buffer implements Comparable
 
   public final short[] array()
   {
+    if (backing_buffer == null)
+      throw new UnsupportedOperationException ();
+
+    if (isReadOnly ())
+      throw new ReadOnlyBufferException ();
+    
     return backing_buffer;
   }
 
   public final int arrayOffset()
   {
+    if (backing_buffer == null)
+      throw new UnsupportedOperationException ();
+
+    if (isReadOnly ())
+      throw new ReadOnlyBufferException ();
+    
     return array_offset;
   }