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/*
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you under the Apache License, Version 2.0 (the
* "License"); you may not use this file except in compliance
* with the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing,
* software distributed under the License is distributed on an
* "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
* KIND, either express or implied. See the License for the
* specific language governing permissions and limitations
* under the License.
*/
package org.apache.tuscany.sca.implementation.osgi.test;
import java.io.ByteArrayOutputStream;
import java.io.File;
import java.io.FileInputStream;
import java.io.FileNotFoundException;
import java.io.FileOutputStream;
import java.io.IOException;
import java.io.InputStream;
import java.net.URL;
import java.util.HashSet;
import java.util.Set;
import java.util.jar.JarOutputStream;
import java.util.jar.Manifest;
import java.util.zip.ZipEntry;
import org.osgi.framework.BundleActivator;
import org.osgi.framework.Constants;
/**
*
* Utility class to create OSGi bundles
*
* @version $Rev$ $Date$
*/
public class OSGiTestBundles {
private static String getPackageName(Class<?> cls) {
String name = cls.getName();
int index = name.lastIndexOf('.');
return index == -1 ? "" : name.substring(0, index);
}
public static URL createBundle(String jarName, String mfFile, String[][] resources, Class<?>... classes)
throws IOException {
InputStream is = OSGiTestBundles.class.getClassLoader().getResourceAsStream(mfFile);
Manifest manifest = new Manifest(is);
is.close();
ByteArrayOutputStream out = new ByteArrayOutputStream();
JarOutputStream jarOut = new JarOutputStream(out, manifest);
for (Class<?> cls : classes) {
addClass(jarOut, cls);
}
if (resources != null) {
for (String resource[] : resources) {
addResource(jarOut, OSGiTestBundles.class.getClassLoader(), resource[0], resource[1]);
}
}
jarOut.close();
out.close();
File jar = new File(jarName);
FileOutputStream fileOut = new FileOutputStream(jar);
fileOut.write(out.toByteArray());
fileOut.close();
return jar.toURI().toURL();
}
public static URL createBundle(String jarName,
String bundleName,
String exports,
String imports,
String[] resources,
Class<?>... classes) throws IOException {
Class<?> activator = null;
Set<String> packages = new HashSet<String>();
StringBuffer exportPackages = new StringBuffer();
if (exports != null) {
exportPackages.append(exports);
}
for (Class<?> cls : classes) {
if (BundleActivator.class.isAssignableFrom(cls)) {
activator = cls;
}
if (exports == null && cls.isInterface()) {
String pkg = getPackageName(cls);
if (packages.add(pkg)) {
exportPackages.append(pkg).append(",");
}
}
}
int len = exportPackages.length();
if (len > 0 && exportPackages.charAt(len - 1) == ',') {
exportPackages.deleteCharAt(len - 1);
}
Manifest manifest = new Manifest();
// This attribute Manifest-Version is required so that the MF will be added to the jar
manifest.getMainAttributes().putValue("Manifest-Version", "1.0");
manifest.getMainAttributes().putValue(Constants.BUNDLE_MANIFESTVERSION, "2");
manifest.getMainAttributes().putValue(Constants.BUNDLE_SYMBOLICNAME, bundleName);
manifest.getMainAttributes().putValue(Constants.BUNDLE_VERSION, "1.0.0");
manifest.getMainAttributes().putValue(Constants.BUNDLE_NAME, bundleName);
manifest.getMainAttributes().putValue(Constants.EXPORT_PACKAGE, exportPackages.toString());
StringBuffer importPackages = new StringBuffer();
if (imports != null) {
importPackages.append(imports).append(",org.osgi.framework");
} else {
importPackages.append("org.osgi.framework");
}
manifest.getMainAttributes().putValue(Constants.IMPORT_PACKAGE, importPackages.toString());
if (activator != null) {
manifest.getMainAttributes().putValue(Constants.BUNDLE_ACTIVATOR, activator.getName());
}
ByteArrayOutputStream out = new ByteArrayOutputStream();
JarOutputStream jarOut = new JarOutputStream(out, manifest);
for (Class<?> cls : classes) {
addClass(jarOut, cls);
}
if (resources != null) {
for (String resource : resources) {
addResource(jarOut, OSGiTestBundles.class.getClassLoader(), resource, null);
}
}
jarOut.close();
out.close();
File jar = new File(jarName);
FileOutputStream fileOut = new FileOutputStream(jar);
fileOut.write(out.toByteArray());
fileOut.close();
return jar.toURI().toURL();
}
private static void addClass(JarOutputStream jarOut, Class<?> javaClass) throws IOException, FileNotFoundException {
String classFile = javaClass.getName().replace('.', '/') + ".class";
URL url = javaClass.getResource(javaClass.getSimpleName() + ".class");
addEntry(jarOut, url, classFile);
}
private static void addResource(JarOutputStream jarOut, ClassLoader cl, String resourceName, String entryName)
throws IOException, FileNotFoundException {
URL url = cl.getResource(resourceName);
if (entryName == null) {
entryName = resourceName;
}
addEntry(jarOut, url, entryName);
}
private static void addEntry(JarOutputStream jarOut, URL url, String resourceName) throws IOException,
FileNotFoundException {
String path = url.getPath();
ZipEntry ze = new ZipEntry(resourceName);
jarOut.putNextEntry(ze);
FileInputStream file = new FileInputStream(path);
byte[] fileContents = new byte[file.available()];
file.read(fileContents);
jarOut.write(fileContents);
jarOut.closeEntry();
}
}
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