51254cf0e7
Names changed Pluglet->PlugletFactory, *PlugletInstance*->*Pluglet* git-svn-id: svn://10.0.0.236/trunk@52992 18797224-902f-48f8-a5cc-f745e15eee43
95 lines
3.5 KiB
Java
95 lines
3.5 KiB
Java
/*
|
|
* The contents of this file are subject to the Mozilla Public
|
|
* License Version 1.1 (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.mozilla.org/MPL/
|
|
*
|
|
* Software distributed under the License is distributed on an "AS
|
|
* IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or
|
|
* implied. See the License for the specific language governing
|
|
* rights and limitations under the License.
|
|
*
|
|
* The Original Code is mozilla.org code.
|
|
*
|
|
* The Initial Developer of the Original Code is Sun Microsystems,
|
|
* Inc. Portions created by Sun are
|
|
* Copyright (C) 1999 Sun Microsystems, Inc. All
|
|
* Rights Reserved.
|
|
*
|
|
* Contributor(s):
|
|
*/
|
|
package org.mozilla.pluglet;
|
|
|
|
import java.net.URLClassLoader;
|
|
import java.net.URL;
|
|
import java.util.jar.Manifest;
|
|
import java.util.jar.Attributes;
|
|
import java.io.InputStream;
|
|
import org.mozilla.pluglet.mozilla.*;
|
|
import java.security.*;
|
|
|
|
public class PlugletLoader {
|
|
// path to jar file. Name of main class sould to be in MANIFEST.
|
|
public static PlugletFactory getPluglet(String path) {
|
|
try {
|
|
org.mozilla.util.Debug.print("-- PlugletLoader.getPluglet("+path+")\n");
|
|
URL url = new URL("file:/"+path);
|
|
URLClassLoader loader = URLClassLoader.newInstance(new URL[]{url});
|
|
URL manifestURL = new URL("jar:file:/"+path+"!/META-INF/MANIFEST.MF");
|
|
InputStream inputStream = manifestURL.openStream();
|
|
Manifest manifest = new Manifest(inputStream);
|
|
Attributes attr = manifest.getMainAttributes();
|
|
String plugletClassName = attr.getValue("Pluglet-Class");
|
|
org.mozilla.util.Debug.print("-- PlugletLoader.getPluglet class name "+plugletClassName+"\n");
|
|
org.mozilla.util.Debug.print("-- PL url[0] "+loader.getURLs()[0]+"\n");
|
|
if (plugletClassName == null) {
|
|
//nb
|
|
return null;
|
|
}
|
|
if (policy == null) {
|
|
policy = new PlugletPolicy(Policy.getPolicy());
|
|
}
|
|
if (policy != Policy.getPolicy()) {
|
|
Policy.setPolicy(policy);
|
|
}
|
|
CodeSource codesource = new CodeSource(url,null);
|
|
Permission perm = new AllPermission();
|
|
PermissionCollection collection = perm.newPermissionCollection();
|
|
collection.add(perm);
|
|
policy.grantPermission(codesource,collection);
|
|
Object pluglet = loader.loadClass(plugletClassName).newInstance();
|
|
if (pluglet instanceof PlugletFactory) {
|
|
org.mozilla.util.Debug.print("-- ok we have a PlugletFactory"+"\n");
|
|
return (PlugletFactory) pluglet;
|
|
} else {
|
|
org.mozilla.util.Debug.print("-- oups we do not have a PlugletFactory"+"\n");
|
|
return null;
|
|
}
|
|
} catch (Exception e) {
|
|
org.mozilla.util.Debug.print("-- PlugletLoader.getPluglet exc "+e);
|
|
e.printStackTrace();
|
|
return null;
|
|
}
|
|
}
|
|
|
|
public static String getMIMEDescription(String path) {
|
|
try {
|
|
org.mozilla.util.Debug.print("-- PlugletLoader.getMIMEDescription("+path+")\n");
|
|
URL manifestURL = new URL("jar:file:/"+path+"!/META-INF/MANIFEST.MF");
|
|
InputStream inputStream = manifestURL.openStream();
|
|
Manifest manifest = new Manifest(inputStream);
|
|
Attributes attr = manifest.getMainAttributes();
|
|
String mimeDescription = attr.getValue("MIMEDescription");
|
|
org.mozilla.util.Debug.print("-- PlugletLoader.getMIMEDescription desc "+mimeDescription+"\n");
|
|
return mimeDescription;
|
|
} catch (Exception e) {
|
|
org.mozilla.util.Debug.print(e+"\n");
|
|
e.printStackTrace();
|
|
return null;
|
|
}
|
|
}
|
|
private static PlugletPolicy policy = null;
|
|
}
|
|
|
|
|