1 files changed, 32 insertions, 0 deletions
diff --git a/libjava/java/util/zip/DeflaterOutputStream.java b/libjava/java/util/zip/DeflaterOutputStream.java
index 755d8e7..ff66b08 100644
--- a/libjava/java/util/zip/DeflaterOutputStream.java
+++ b/libjava/java/util/zip/DeflaterOutputStream.java
@@ -56,6 +56,7 @@ import java.io.IOException;
  * finishing the stream.
  *
  * @author Tom Tromey, Jochen Hoenicke
+ * @date Jan 11, 2001 
  */
 public class DeflaterOutputStream extends FilterOutputStream
 {
@@ -65,6 +66,11 @@ public class DeflaterOutputStream extends FilterOutputStream
     out.close();
   }
 
+  /**
+   * Deflates everything in the def's input buffers.  This will call
+   * <code>def.deflate()</code> until all bytes from the input buffers
+   * are processed.
+   */
   protected void deflate () throws IOException
   {
     do
@@ -76,23 +82,49 @@ public class DeflaterOutputStream extends FilterOutputStream
     while (! def.needsInput());
   }
 
+  /** 
+   * Creates a new DeflaterOutputStream with a default Deflater and
+   * default buffer size.
+   * @param out the output stream where deflated output should be written.
+   */
   public DeflaterOutputStream (OutputStream out)
   {
     this (out, new Deflater (), 512);
   }
 
+  /** 
+   * Creates a new DeflaterOutputStream with the given Deflater and
+   * default buffer size.
+   * @param out the output stream where deflated output should be written.
+   * @param defl the underlying deflater.
+   */
   public DeflaterOutputStream (OutputStream out, Deflater defl)
   {
     this (out, defl, 512);
   }
 
+  /** 
+   * Creates a new DeflaterOutputStream with the given Deflater and
+   * buffer size.
+   * @param out the output stream where deflated output should be written.
+   * @param defl the underlying deflater.
+   * @param bufsize the buffer size.
+   * @exception IllegalArgumentException if bufsize isn't positive.
+   */
   public DeflaterOutputStream(OutputStream out, Deflater defl, int bufsize)
   {
     super (out);
+    if (bufsize <= 0)
+      throw new IllegalArgumentException("bufsize <= 0");
     buf = new byte[bufsize];
     def = defl;
   }
 
+  /**
+   * Finishes the stream by calling finish() on the deflater.  This
+   * was the only way to ensure that all bytes are flushed in Sun's
+   * JDK.  
+   */
   public void finish () throws IOException
   {
     if (inbufLength > 0)