Fix for Bugzilla Bug 57666

	  	duplicate manifests cause resource-copying to gack
(Contributed by Matthew Webster)

ajde/testdata/DuplicateManifestTest/META-INF/MANIFEST.MF

+Manifest-Version: 1.0
+Created-By: DuplicateManifestTest
+

ajde/testdata/DuplicateManifestTest/META-INF/test.xml

+<?xml version="1.0" ?>
+<jar name="input1.jar">
+</jar>
+

ajde/testdata/DuplicateManifestTest/update-injar.xml

+<?xml version="1.0" ?>
+<project name="DuplicateManifestTest" default="all" basedir=".">
+
+	<property name="injar" value="${basedir}/injar.jar"/>
+	<property name="tempdir" value="${basedir}/temp"/>
+
+	<target name="update">
+
+		<delete dir="${tempdir}"/>
+
+		<unzip
+			dest="${tempdir}"
+			src="${injar}"
+		/>
+
+		<copy todir="${tempdir}" overwrite="true">
+			<fileset dir="${basedir}">			
+				<include name="META-INF/*"/>
+			</fileset>
+		</copy>
+
+		<zip
+			destfile="${injar}"
+		>
+			<fileset dir="${basedir}/temp"/>
+		
+		</zip>	
+
+		<delete dir="${tempdir}"/>
+	</target>
+	
+	<target name="all" depends="update"/>
+</project>

ajde/testsrc/org/aspectj/ajde/AjdeTests.java

 		suite.addTestSuite(SavedModelConsistencyTest. class);
 		suite.addTestSuite(BuildCancellingTest.class);
 		suite.addTestSuite(JarManifestTest.class);
+		suite.addTestSuite(DuplicateManifestTest.class);
 		
         //$JUnit-END$
         return suite;

ajde/testsrc/org/aspectj/ajde/DuplicateManifestTest.java

+/*******************************************************************************
+ * Copyright (c) 2004 IBM Corporation and others.
+ * All rights reserved. This program and the accompanying materials 
+ * are made available under the terms of the Common Public License v1.0
+ * which accompanies this distribution, and is available at
+ * http://www.eclipse.org/legal/cpl-v10.html
+ * 
+ * Contributors:
+ *     Matthew Webster - initial implementation
+ *******************************************************************************/
+package org.aspectj.ajde;
+
+import java.io.File;
+import java.io.IOException;
+import java.util.HashSet;
+import java.util.Set;
+import java.util.jar.JarFile;
+import java.util.jar.Manifest;
+
+public class DuplicateManifestTest extends AjdeTestCase {
+
+
+	public static final String PROJECT_DIR = "DuplicateManifestTest";
+
+	public static final String injarName  = "injar.jar";
+	public static final String aspectjarName  = "aspectjar.jar";
+	public static final String outjarName = "outjar.jar";
+
+
+	/*
+	 * Ensure the output directpry in clean
+	 */
+	protected void setUp() throws Exception {
+		super.setUp(PROJECT_DIR);
+	}
+	
+	public void testWeave () {
+		Set injars = new HashSet();
+		injars.add(openFile(injarName));
+		ideManager.getProjectProperties().setInJars(injars);
+		Set aspectpath = new HashSet();
+		aspectpath.add(openFile(aspectjarName));
+		ideManager.getProjectProperties().setAspectPath(aspectpath);
+		File outjar = openFile(outjarName);
+		ideManager.getProjectProperties().setOutJar(outjar.getAbsolutePath());
+		assertTrue("Build failed", doSynchronousBuild("build.lst"));
+		assertTrue(
+			"Build warnings",
+			ideManager.getCompilationSourceLineTasks().isEmpty());
+		compareManifests(openFile(injarName),openFile(outjarName));
+	}
+	
+	private void compareManifests (File inFile, File outFile) {
+
+		try {
+			JarFile inJar = new JarFile(inFile);
+			Manifest inManifest = inJar.getManifest();
+			inJar.close();
+			JarFile outJar = new JarFile(outFile);
+			Manifest outManifest = outJar.getManifest();
+			outJar.close();
+			assertTrue("The manifests in '" + inFile.getCanonicalPath() + "' and '" + outFile.getCanonicalPath() + "' sould be the same",inManifest.equals(outManifest));
+		}
+		catch (IOException ex) {
+			fail(ex.toString());
+		}
+	}
+
+}

org.aspectj.ajdt.core/src/org/aspectj/ajdt/internal/core/builder/AjBuildManager.java

 				if (entry == null) break;
 			
 				String filename = entry.getName();
+//				System.out.println("? copyResourcesFromJarFile() filename='" + filename +"'");
 	
 				if (!entry.isDirectory() && acceptResource(filename)) {
 					byte[] bytes = FileUtil.readAsByteArray(inStream);
 				(resourceName.startsWith("CVS/")) ||
 				(resourceName.indexOf("/CVS/") != -1) ||
 				(resourceName.endsWith("/CVS")) ||
-				(resourceName.endsWith(".class")) 
+				(resourceName.endsWith(".class")) ||
+				(resourceName.toUpperCase().equals(MANIFEST_NAME))
 		    )
 		{
 			return false;

org.aspectj.ajdt.core/testsrc/org/aspectj/ajdt/internal/compiler/batch/BcweaverJarMaker.java

 		makeTestJars();
 
 		makeURLWeavingClassLoaderJars();
+		
+		makeDuplicateManifestTestJars();
 	}
 	
 	public static void makeJar0() throws IOException {
 		args.add(AjdtAjcTests.TESTDATA_PATH + "/src1/LTWPerthis.aj");
 		CommandTestCase.runCompiler(args, CommandTestCase.NO_ERRORS);
 	}	
+
 	
+	public static void makeDuplicateManifestTestJars() throws IOException {
+		List args = new ArrayList();
+
+		/*
+		 * injar
+		 */
+		args.add("-classpath"); 
+		args.add("../lib/test/aspectjrt.jar;../lib/test/testing-client.jar" +
+		   File.pathSeparator + System.getProperty("aspectjrt.path"));
+		args.add("-outjar");
+		args.add("../ajde/testdata/DuplicateManifestTest/injar.jar");
+		args.add(AjdtAjcTests.TESTDATA_PATH + "/src1/Hello.java");
+		CommandTestCase.runCompiler(args, CommandTestCase.NO_ERRORS);
+
+		/*
+		 * aspectjar
+		 */
+		args = new ArrayList();
+		args.add("-classpath"); 
+		args.add("../lib/test/aspectjrt.jar;../lib/test/testing-client.jar" +
+		   File.pathSeparator + System.getProperty("aspectjrt.path"));
+		args.add("-outjar");
+		args.add("../ajde/testdata/DuplicateManifestTest/aspectjar.jar");
+		args.add(AjdtAjcTests.TESTDATA_PATH + "/src1/Trace.java");
+		args.add(AjdtAjcTests.TESTDATA_PATH + "/src1/TraceHello.java");
+		CommandTestCase.runCompiler(args, CommandTestCase.NO_ERRORS);
+	}	
 }

weaver/src/org/aspectj/weaver/bcel/BcelWeaver.java

 import java.io.FileInputStream;
 import java.io.FileNotFoundException;
 import java.io.IOException;
+import java.io.InputStream;
 import java.io.OutputStream;
 import java.util.ArrayList;
 import java.util.Collection;
 import java.util.Collections;
 import java.util.Comparator;
+import java.util.Enumeration;
 import java.util.HashSet;
 import java.util.Iterator;
 import java.util.List;
 import java.util.Set;
 import java.util.jar.Attributes;
 import java.util.jar.Attributes.Name;
+import java.util.jar.JarEntry;
+import java.util.jar.JarFile;
 import java.util.jar.JarInputStream;
 import java.util.jar.Manifest;
 import java.util.zip.ZipEntry;
 //		System.err.println("? addJarFile(" + inFile + ", " + outDir + ")");
 		List addedClassFiles = new ArrayList();
 		needToReweaveWorld = true;
-		JarInputStream inStream = null;
+		JarFile inJar = null;
 		
 		try {
 			// Is this a directory we are looking at?
 				addedClassFiles.addAll(addDirectoryContents(inFile,outDir));
 			} else {
 			
-				inStream = new JarInputStream(new FileInputStream(inFile)); //??? buffered
-				addManifest(inStream.getManifest());
+				inJar = new JarFile(inFile);
+				addManifest(inJar.getManifest());
+				Enumeration entries = inJar.entries();
 			
-				while (true) {
-					ZipEntry entry = inStream.getNextEntry();
-					if (entry == null) break;
-				
+				while (entries.hasMoreElements()) {
+					JarEntry entry = (JarEntry)entries.nextElement();
+					InputStream inStream = inJar.getInputStream(entry);
+					
 					byte[] bytes = FileUtil.readAsByteArray(inStream);
 					String filename = entry.getName();
+//					System.out.println("? addJarFile() filename='" + filename + "'");
 					UnwovenClassFile classFile = new UnwovenClassFile(new File(outDir, filename).getAbsolutePath(), bytes);
 
 					if (filename.endsWith(".class")) {
 //						addResource(filename,classFile);
 //					}
 
-					inStream.closeEntry();
+					inStream.close();
 				}
-				inStream.close();
+				inJar.close();
 			}
 		} catch (FileNotFoundException ex) {
 			IMessage message = new Message(
 					true);
 			world.getMessageHandler().handleMessage(message);
 		} finally {
-			if (inStream != null) {
-				try {inStream.close();}
+			if (inJar != null) {
+				try {inJar.close();}
 				catch (IOException ex) {
 					IMessage message = new Message(
 							"Could not close input jar file " + inFile.getPath() + "(" + ex.getMessage() + ")",
 //    }
     
 	public void addManifest (Manifest newManifest) {
+//		System.out.println("? addManifest() newManifest=" + newManifest);
 		if (manifest == null) {
 			manifest = newManifest;
 		}
 	}
 	
+	public static final String MANIFEST_NAME = "META-INF/MANIFEST.MF";
+	
 	private static final String WEAVER_MANIFEST_VERSION = "1.0";
 	private static final Attributes.Name CREATED_BY = new Name("Created-By");
 	private static final String WEAVER_CREATED_BY = "AspectJ Compiler";