| /******************************************************************************* |
| * Copyright (c) 2000, 2006 IBM Corporation and others. |
| * All rights reserved. This program and the accompanying materials |
| * are made available under the terms of the Eclipse Public License v1.0 |
| * which accompanies this distribution, and is available at |
| * http://www.eclipse.org/legal/epl-v10.html |
| * |
| * Contributors: |
| * IBM Corporation - initial API and implementation |
| *******************************************************************************/ |
| package org.eclipse.jdt.internal.ui.jarpackager; |
| |
| import java.io.IOException; |
| import java.io.InputStream; |
| import java.util.jar.Attributes; |
| import java.util.jar.Manifest; |
| |
| import org.eclipse.core.runtime.CoreException; |
| |
| import org.eclipse.jface.util.Assert; |
| |
| import org.eclipse.jdt.core.IPackageFragment; |
| |
| import org.eclipse.jdt.ui.jarpackager.IManifestProvider; |
| import org.eclipse.jdt.ui.jarpackager.JarPackageData; |
| |
| /** |
| * A manifest provider creates manifest files. |
| */ |
| public class ManifestProvider implements IManifestProvider { |
| |
| // Constants |
| private static final String SEALED_VALUE= "true"; //$NON-NLS-1$ |
| private static final String UNSEALED_VALUE= "false"; //$NON-NLS-1$ |
| |
| /** |
| * Creates a manifest as defined by the <code>JarPackage</code>. |
| * |
| * @param jarPackage the JAR package specification |
| */ |
| public Manifest create(JarPackageData jarPackage) throws CoreException { |
| Assert.isNotNull(jarPackage); |
| if (jarPackage.isManifestGenerated()) |
| return createGeneratedManifest(jarPackage); |
| |
| try { |
| return createSuppliedManifest(jarPackage); |
| } catch (IOException ex) { |
| throw JarPackagerUtil.createCoreException(ex.getLocalizedMessage(), ex); |
| } |
| } |
| |
| /** |
| * Creates a default manifest. |
| * |
| * @param manifestVersion the version of the manifest |
| */ |
| public Manifest createDefault(String manifestVersion) { |
| Manifest manifest= new Manifest(); |
| manifest.getMainAttributes().put(Attributes.Name.MANIFEST_VERSION, manifestVersion); |
| return manifest; |
| } |
| |
| /** |
| * Hook for subclasses to add additional manifest entries. |
| * |
| * @param manifest the manifest to which the entries should be added |
| * @param jarPackage the JAR package specification |
| */ |
| protected void putAdditionalEntries(Manifest manifest, JarPackageData jarPackage) { |
| } |
| |
| private Manifest createGeneratedManifest(JarPackageData jarPackage) { |
| Manifest manifest= new Manifest(); |
| putVersion(manifest, jarPackage); |
| putSealing(manifest, jarPackage); |
| putMainClass(manifest, jarPackage); |
| putAdditionalEntries(manifest, jarPackage); |
| return manifest; |
| } |
| |
| private void putVersion(Manifest manifest, JarPackageData jarPackage) { |
| manifest.getMainAttributes().put(Attributes.Name.MANIFEST_VERSION, jarPackage.getManifestVersion()); |
| } |
| |
| private void putSealing(Manifest manifest, JarPackageData jarPackage) { |
| if (jarPackage.isJarSealed()) { |
| manifest.getMainAttributes().put(Attributes.Name.SEALED, SEALED_VALUE); |
| IPackageFragment[] packages= jarPackage.getPackagesToUnseal(); |
| if (packages != null) { |
| for (int i= 0; i < packages.length; i++) { |
| Attributes attributes= new Attributes(); |
| attributes.put(Attributes.Name.SEALED, UNSEALED_VALUE); |
| manifest.getEntries().put(getInManifestFormat(packages[i]), attributes); |
| } |
| } |
| } |
| else { |
| IPackageFragment[] packages= jarPackage.getPackagesToSeal(); |
| if (packages != null) |
| for (int i= 0; i < packages.length; i++) { |
| Attributes attributes= new Attributes(); |
| attributes.put(Attributes.Name.SEALED, SEALED_VALUE); |
| manifest.getEntries().put(getInManifestFormat(packages[i]), attributes); |
| } |
| } |
| } |
| |
| private void putMainClass(Manifest manifest, JarPackageData jarPackage) { |
| if (jarPackage.getManifestMainClass() != null && jarPackage.getManifestMainClass().getFullyQualifiedName().length() > 0) |
| manifest.getMainAttributes().put(Attributes.Name.MAIN_CLASS, jarPackage.getManifestMainClass().getFullyQualifiedName()); |
| } |
| |
| private String getInManifestFormat(IPackageFragment packageFragment) { |
| String name= packageFragment.getElementName(); |
| return name.replace('.', '/') + '/'; |
| } |
| |
| private Manifest createSuppliedManifest(JarPackageData jarPackage) throws CoreException, IOException { |
| Manifest manifest; |
| // No need to use buffer here because Manifest(...) does |
| InputStream stream= jarPackage.getManifestFile().getContents(false); |
| try { |
| manifest= new Manifest(stream); |
| } finally { |
| if (stream != null) |
| stream.close(); |
| } |
| return manifest; |
| } |
| } |