Work around a bug in Kaffe - we can as well label it "optimization" 8-)

git-svn-id: https://svn.apache.org/repos/asf/ant/core/trunk@271222 13f79535-47bb-0310-9956-ffa450edef68

src/main/org/apache/tools/ant/taskdefs/Zip.java

@@ -351,8 +351,8 @@ public class Zip extends MatchingTask {
                     }
                 }
             }
-        } catch (IOException ioe) {
-            String msg = "Problem creating " + archiveType + ": " + ioe.getMessage();
+        } catch (Throwable t) {
+            String msg = "Problem creating " + archiveType + ": " + t.getMessage();
 
             // delete a bogus ZIP file
             if (!zipFile.delete()) {
@@ -366,7 +366,7 @@ public class Zip extends MatchingTask {
                 }
             }
 
-            throw new BuildException(msg, ioe, location);
+            throw new BuildException(msg, t, location);
         } finally {
             cleanUp();
         }

src/main/org/apache/tools/zip/ZipOutputStream.java

@@ -1,7 +1,7 @@
 /*
  * The Apache Software License, Version 1.1
  *
- * Copyright (c) 2001 The Apache Software Foundation.  All rights
+ * Copyright (c) 2001-2002 The Apache Software Foundation.  All rights
  * reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -105,6 +105,14 @@ public class ZipOutputStream extends DeflaterOutputStream {
      */
     private int level = Deflater.DEFAULT_COMPRESSION;
 
+    /**
+     * Has the compression level changed when compared to the last
+     * entry?
+     *
+     * @since 1.5
+     */
+    private boolean hasCompressionLevelChanged = false;
+
     /**
      * Default compression method for next entry.
      *
@@ -331,8 +339,9 @@ public class ZipOutputStream extends DeflaterOutputStream {
                 throw new ZipException("crc checksum is required for STORED method");
             }
             entry.setComprSize(entry.getSize());
-        } else {
+        } else if (hasCompressionLevelChanged) {
             def.setLevel(level);
+            hasCompressionLevelChanged = false;
         }        
         writeLocalFileHeader(entry);
     }
@@ -354,6 +363,7 @@ public class ZipOutputStream extends DeflaterOutputStream {
      * @since 1.1
      */
     public void setLevel(int level) {
+        hasCompressionLevelChanged = (this.level != level);
         this.level = level;
     }