Patch: java.util.ZipEntry fix and JDK1.2 update

[Bryce McKinlay <bryce at albatross dot co dot nz>]

I'm committing this patch.

regards

  [ bryce ]

2000-05-20  Bryce McKinlay  <bryce@albatross.co.nz>

	* java/util/zip/ZipEntry.java: Implement Cloneable, per JDK1.2 docs.
	(ZipEntry): Copy the `name' field.
	(clone): Implement JDK1.2 method.
	(setCompressedSize): ditto.
	(hashCode): ditto.

Index: libjava/java/util/zip/ZipEntry.java
===================================================================
RCS file: /cvs/java/libgcj/libjava/java/util/zip/ZipEntry.java,v
retrieving revision 1.9
diff -u -r1.9 ZipEntry.java
--- ZipEntry.java	2000/05/04 15:50:34	1.9
+++ ZipEntry.java	2000/05/20 05:35:54
@@ -19,7 +19,7 @@
  * Status:  Believed complete and correct.
  */
 
-public class ZipEntry implements ZipConstants
+public class ZipEntry implements ZipConstants, Cloneable
 {
   // These values were determined using a simple test program.
   public static final int STORED = 0;
@@ -51,10 +51,20 @@
     crc = ent.crc;
     extra = ent.extra;
     method = ent.method;
+    name = ent.name;
     size = ent.size;
     time = ent.time;
     relativeOffset = ent.relativeOffset;
   }
+  
+  public Object clone ()
+  {
+    // JCL defines this as being the same as the copy constructor above,
+    // except that value of the "extra" field is also copied.
+    ZipEntry clone = new ZipEntry (this);
+    clone.extra = (byte[]) extra.clone ();
+    return clone;
+  }
 
   public String getComment () { return comment; }
 
@@ -89,6 +99,13 @@
       throw new IllegalArgumentException ();
     this.comment = comment;
   }
+  
+  public void setCompressedSize (long compressedSize)
+  {
+    if (size < 0 || size > 0xffffffffL)
+      throw new IllegalArgumentException ();
+    this.compressedSize = compressedSize;
+  }
 
   public void setCrc (long crc) 
   {
@@ -155,4 +172,6 @@
   }
 
   public String toString () { return name; }
+  
+  public int hashCode () { return name.hashCode (); }
 }