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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.tools.sca.tuscany.bundle.plugin;
import static org.osgi.framework.Constants.BUNDLE_CLASSPATH;
import static org.osgi.framework.Constants.BUNDLE_MANIFESTVERSION;
import static org.osgi.framework.Constants.BUNDLE_NAME;
import static org.osgi.framework.Constants.BUNDLE_SYMBOLICNAME;
import static org.osgi.framework.Constants.BUNDLE_VERSION;
import static org.osgi.framework.Constants.DYNAMICIMPORT_PACKAGE;
import static org.osgi.framework.Constants.EXPORT_PACKAGE;
import static org.osgi.framework.Constants.IMPORT_PACKAGE;
import java.io.ByteArrayOutputStream;
import java.io.File;
import java.io.FileInputStream;
import java.io.IOException;
import java.net.URL;
import java.util.HashSet;
import java.util.List;
import java.util.Set;
import java.util.jar.Attributes;
import java.util.jar.JarFile;
import java.util.jar.JarOutputStream;
import java.util.jar.Manifest;
import java.util.regex.Matcher;
import java.util.regex.Pattern;
import java.util.zip.ZipEntry;
import java.util.zip.ZipInputStream;
import org.osgi.framework.Bundle;
/**
* Common functions and constants used by the admin components.
*
* @version $Rev$ $Date$
*/
public final class LibraryBundleUtil {
private static final String LAUNCHER_EQUINOX_LIBRARIES = "org.apache.tuscany.sca.node.launcher.equinox.libraries";
static File file(URL url) {
if (url == null || !url.getProtocol().equals("file")) {
return null;
} else {
String filename = url.getFile().replace('/', File.separatorChar);
int pos = 0;
while ((pos = filename.indexOf('%', pos)) >= 0) {
if (pos + 2 < filename.length()) {
String hexStr = filename.substring(pos + 1, pos + 3);
char ch = (char)Integer.parseInt(hexStr, 16);
filename = filename.substring(0, pos) + ch + filename.substring(pos + 3);
}
}
return new File(filename);
}
}
static Pattern pattern = Pattern.compile("-([0-9.]+)");
private static String version(String jarFile) {
Matcher matcher = pattern.matcher(jarFile);
String version = "1.0.0";
if (matcher.find()) {
version = matcher.group();
if (version.endsWith(".")) {
version = version.substring(1, version.length() - 1);
} else {
version = version.substring(1);
}
}
return version;
}
private static void addPackages(File jarFile, Set<String> packages) throws IOException {
String version = ";version=" + version(jarFile.getPath());
ZipInputStream is = new ZipInputStream(new FileInputStream(jarFile));
ZipEntry entry;
while ((entry = is.getNextEntry()) != null) {
String entryName = entry.getName();
if (!entry.isDirectory() && entryName != null
&& entryName.length() > 0
&& !entryName.startsWith(".")
&& entryName.endsWith(".class") // Exclude resources from Export-Package
&& entryName.lastIndexOf("/") > 0) {
String pkg = entryName.substring(0, entryName.lastIndexOf("/")).replace('/', '.') + version;
packages.add(pkg);
}
}
is.close();
}
static Manifest libraryManifest(List<File> jarFiles, String name, String version, boolean copyJars)
throws IllegalStateException {
try {
// List exported packages and bundle classpath entries
StringBuffer classpath = new StringBuffer();
StringBuffer exports = new StringBuffer();
StringBuffer imports = new StringBuffer();
Set<String> packages = new HashSet<String>();
for (File jarFile : jarFiles) {
addPackages(jarFile, packages);
if (copyJars) {
classpath.append("\"lib/");
classpath.append(jarFile.getName());
classpath.append("\",");
} else {
classpath.append("\"external:");
classpath.append(jarFile.getPath().replace(File.separatorChar, '/'));
classpath.append("\",");
}
}
Set<String> importPackages = new HashSet<String>();
for (String pkg : packages) {
exports.append(pkg);
exports.append(',');
String importPackage = pkg;
int index = pkg.indexOf(';');
if (index != -1) {
importPackage = pkg.substring(0, index);
}
if (!importPackages.contains(importPackage)) {
imports.append(importPackage);
imports.append(',');
importPackages.add(importPackage);
}
}
// Create a manifest
Manifest manifest = new Manifest();
Attributes attributes = manifest.getMainAttributes();
attributes.putValue("Manifest-Version", "1.0");
attributes.putValue(BUNDLE_MANIFESTVERSION, "2");
attributes.putValue(BUNDLE_SYMBOLICNAME, LAUNCHER_EQUINOX_LIBRARIES);
attributes.putValue(BUNDLE_NAME, name);
attributes.putValue(BUNDLE_VERSION, version);
attributes.putValue(EXPORT_PACKAGE, exports.substring(0, exports.length() - 1));
attributes.putValue(IMPORT_PACKAGE, imports.substring(0, imports.length() - 1));
attributes.putValue(BUNDLE_CLASSPATH, classpath.substring(0, classpath.length() - 1));
attributes.putValue(DYNAMICIMPORT_PACKAGE, "*");
return manifest;
} catch (IOException e) {
throw new IllegalStateException(e);
}
}
static String dump(Manifest mf) throws IOException {
ByteArrayOutputStream bos = new ByteArrayOutputStream();
mf.write(bos);
return new String(bos.toByteArray());
}
static byte[] generateBundle(Manifest mf) throws IOException {
ByteArrayOutputStream bos = new ByteArrayOutputStream();
JarOutputStream jos = new JarOutputStream(bos, mf);
jos.close();
return bos.toByteArray();
}
/**
* Returns the name of a bundle, or null if the given file is not a bundle.
*
* @param file
* @return
* @throws IOException
*/
static String getBundleName(File file) throws IOException {
if (!file.exists()) {
return null;
}
String bundleName = null;
if (file.isDirectory()) {
File mf = new File(file, "META-INF/MANIFEST.MF");
if (mf.isFile()) {
Manifest manifest = new Manifest(new FileInputStream(mf));
bundleName = manifest.getMainAttributes().getValue(BUNDLE_SYMBOLICNAME);
}
} else {
JarFile jar = new JarFile(file, false);
Manifest manifest = jar.getManifest();
bundleName = manifest.getMainAttributes().getValue(BUNDLE_SYMBOLICNAME);
jar.close();
}
if (bundleName == null) {
return bundleName;
}
int sc = bundleName.indexOf(';');
if (sc != -1) {
bundleName = bundleName.substring(0, sc);
}
return bundleName;
}
public static String string(Bundle b, boolean verbose) {
StringBuffer sb = new StringBuffer();
sb.append(b.getBundleId()).append(" ").append(b.getSymbolicName());
int s = b.getState();
if ((s & Bundle.UNINSTALLED) != 0) {
sb.append(" UNINSTALLED");
}
if ((s & Bundle.INSTALLED) != 0) {
sb.append(" INSTALLED");
}
if ((s & Bundle.RESOLVED) != 0) {
sb.append(" RESOLVED");
}
if ((s & Bundle.STARTING) != 0) {
sb.append(" STARTING");
}
if ((s & Bundle.STOPPING) != 0) {
sb.append(" STOPPING");
}
if ((s & Bundle.ACTIVE) != 0) {
sb.append(" ACTIVE");
}
if (verbose) {
sb.append(" ").append(b.getLocation());
sb.append(" ").append(b.getHeaders());
}
return sb.toString();
}
}
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