/**
*
* Copyright 2004 The Apache Software Foundation
*
* Licensed 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.geronimo.system.main;
import java.util.List;
import java.util.ArrayList;
import java.util.StringTokenizer;
import java.util.Collections;
import java.util.jar.Attributes;
import java.util.jar.Manifest;
import java.net.URL;
import java.net.JarURLConnection;
import java.net.URI;
import java.net.URISyntaxException;
import java.io.IOException;
import javax.management.ObjectName;
import javax.management.MalformedObjectNameException;
/**
*
*
* @version $Rev: 291373 $ $Date: 2005-09-24 21:38:18 -0600 (Sat, 24 Sep 2005) $
*/
public class CommandLineManifest {
public static final Attributes.Name MAIN_GBEAN = new Attributes.Name("Main-GBean");
public static final Attributes.Name MAIN_METHOD = new Attributes.Name("Main-Method");
public static final Attributes.Name CONFIGURATIONS = new Attributes.Name("Configurations");
public static final Attributes.Name ENDORSED_DIRS = new Attributes.Name("Endorsed-Dirs");
public static final Attributes.Name EXTENSION_DIRS = new Attributes.Name("Extension-Dirs");
public static CommandLineManifest getManifestEntries() {
// find the startup jar
ClassLoader classLoader = CommandLine.class.getClassLoader();
URL url = classLoader.getResource("META-INF/startup-jar");
if (url == null) {
throw new IllegalArgumentException("Unable to determine location of startup jar");
}
// extract the manifest
Manifest manifest;
try {
JarURLConnection jarConnection = (JarURLConnection) url.openConnection();
manifest = jarConnection.getManifest();
} catch (IOException e) {
System.err.println("Startup jar does not contain a manifest: " + url);
System.exit(1);
throw new AssertionError();
}
Attributes mainAttributes = manifest.getMainAttributes();
// get the main gbean class
String mainGBeanString = mainAttributes.getValue(MAIN_GBEAN);
ObjectName mainGBean = null;
if(mainGBeanString != null) {
try {
mainGBean = new ObjectName(mainGBeanString);
} catch (MalformedObjectNameException e) {
System.err.println("Invalid Main-GBean name: " + mainGBeanString);
System.exit(1);
throw new AssertionError();
}
}
// get the main method
String mainMethod = mainAttributes.getValue(MAIN_METHOD);
// get the list of extra configurations to load
List configurations = new ArrayList();
String configurationsString = mainAttributes.getValue(CONFIGURATIONS);
if (configurationsString != null) {
for (StringTokenizer tokenizer = new StringTokenizer(configurationsString, " "); tokenizer.hasMoreTokens();) {
String configuration = tokenizer.nextToken();
try {
configurations.add(new URI(configuration));
} catch (URISyntaxException e) {
System.err.println("Invalid URI in Manifest Configurations entry: " + configuration);
System.exit(1);
throw new AssertionError();
}
}
}
// get the list of endorsed directories
List endorsedDirs = new ArrayList();
String endorsedDirsString = mainAttributes.getValue(ENDORSED_DIRS);
if (endorsedDirsString != null) {
for (StringTokenizer tokenizer = new StringTokenizer(endorsedDirsString, " "); tokenizer.hasMoreTokens();) {
String directory = tokenizer.nextToken();
endorsedDirs.add(directory);
}
}
// get the list of extension directories
List extensionDirs = new ArrayList();
String extensionDirsString = mainAttributes.getValue(EXTENSION_DIRS);
if (extensionDirsString != null) {
for (StringTokenizer tokenizer = new StringTokenizer(extensionDirsString, " "); tokenizer.hasMoreTokens();) {
String directory = tokenizer.nextToken();
extensionDirs.add(directory);
}
}
CommandLineManifest commandLineManifest = new CommandLineManifest(mainGBean, mainMethod, configurations, endorsedDirs, extensionDirs);
return commandLineManifest;
}
private final ObjectName mainGBean;
private final String mainMethod;
private final List configurations;
private final List endorsedDirs;
private final List extensionDirs;
public CommandLineManifest(ObjectName mainGBean, String mainMethod, List configurations, List endorsedDirs, List extensionDirs) {
this.mainGBean = mainGBean;
this.mainMethod = mainMethod;
this.configurations = Collections.unmodifiableList(configurations);
this.endorsedDirs = endorsedDirs;
this.extensionDirs = extensionDirs;
}
public ObjectName getMainGBean() {
return mainGBean;
}
public String getMainMethod() {
return mainMethod;
}
public List getConfigurations() {
return configurations;
}
public List getEndorsedDirs() {
return endorsedDirs;
}
public List getExtensionDirs() {
return extensionDirs;
}
}