1 files changed, 87 insertions, 0 deletions
diff --git a/tools/external/asm/org/objectweb/asm/optimizer/JarOptimizer.java b/tools/external/asm/org/objectweb/asm/optimizer/JarOptimizer.java
new file mode 100644
index 000000000..8302d99f7
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+++ b/tools/external/asm/org/objectweb/asm/optimizer/JarOptimizer.java
@@ -0,0 +1,87 @@
+/***
+ * ASM: a very small and fast Java bytecode manipulation framework
+ * Copyright (c) 2000-2005 INRIA, France Telecom
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ * 3. Neither the name of the copyright holders nor the names of its
+ *    contributors may be used to endorse or promote products derived from
+ *    this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
+ * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
+ * THE POSSIBILITY OF SUCH DAMAGE.
+ */
+package org.objectweb.asm.optimizer;
+
+import java.io.File;
+import java.io.FileOutputStream;
+import java.io.IOException;
+import java.io.InputStream;
+import java.util.Enumeration;
+import java.util.zip.ZipEntry;
+import java.util.zip.ZipFile;
+import java.util.zip.ZipOutputStream;
+
+/**
+ * A Jar file optimizer.
+ * 
+ * @author Eric Bruneton
+ */
+public class JarOptimizer {
+
+    public static void main(final String[] args) throws IOException {
+        File f = new File(args[0]);
+        optimize(f);
+    }
+
+    static void optimize(final File f) throws IOException {
+        if (f.isDirectory()) {
+            File[] files = f.listFiles();
+            for (int i = 0; i < files.length; ++i) {
+                optimize(files[i]);
+            }
+        } else if (f.getName().endsWith(".jar")) {
+            File g = new File(f.getParentFile(), f.getName() + ".new");
+            ZipFile zf = new ZipFile(f);
+            ZipOutputStream out = new ZipOutputStream(new FileOutputStream(g));
+            Enumeration e = zf.entries();
+            byte[] buf = new byte[10000];
+            while (e.hasMoreElements()) {
+                ZipEntry ze = (ZipEntry) e.nextElement();
+                if (ze.isDirectory()) {
+                    continue;
+                }
+                out.putNextEntry(ze);
+                InputStream is = zf.getInputStream(ze);
+                int n;
+                do {
+                    n = is.read(buf, 0, buf.length);
+                    if (n != -1) {
+                        out.write(buf, 0, n);
+                    }
+                } while (n != -1);
+                out.closeEntry();
+            }
+            out.close();
+            zf.close();
+            f.delete();
+            g.renameTo(f);
+        }
+    }
+}