03b4b80e4d
Converted "path" to canonical form a=avm@sparc.spb.su r=idk@eng.sun.com git-svn-id: svn://10.0.0.236/trunk@61681 18797224-902f-48f8-a5cc-f745e15eee43
113 lines
4.0 KiB
Java
113 lines
4.0 KiB
Java
/*
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* The contents of this file are subject to the Mozilla Public
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* License Version 1.1 (the "License"); you may not use this file
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* except in compliance with the License. You may obtain a copy of
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* the License at http://www.mozilla.org/MPL/
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*
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* Software distributed under the License is distributed on an "AS
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* IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or
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* implied. See the License for the specific language governing
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* rights and limitations under the License.
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*
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* The Original Code is mozilla.org code.
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*
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* The Initial Developer of the Original Code is Sun Microsystems,
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* Inc. Portions created by Sun are
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* Copyright (C) 1999 Sun Microsystems, Inc. All
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* Rights Reserved.
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*
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* Contributor(s):
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*/
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package org.mozilla.pluglet;
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import java.net.URLClassLoader;
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import java.net.URL;
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import java.util.jar.Manifest;
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import java.util.jar.Attributes;
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import java.io.InputStream;
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import java.io.File;
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import org.mozilla.pluglet.mozilla.*;
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import java.security.*;
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import java.awt.*;
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public class PlugletLoader {
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static {
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System.loadLibrary("plugletjni");
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Dimension screenSize = new Button().getToolkit().getScreenSize();
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}
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// path to jar file. Name of main class sould to be in MANIFEST.
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public static PlugletFactory getPluglet(String path) {
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try {
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org.mozilla.util.DebugPluglet.print("-- PlugletLoader.getPluglet("+path+")\n");
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File file = (new File(path)).getCanonicalFile(); //To avoid spelling diffs, e.g c: and C:
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path = file.getAbsolutePath();
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if (File.separatorChar != '/') {
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path = path.replace(File.separatorChar,'/');
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}
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if (!path.startsWith("/")) {
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path = "/" + path;
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}
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URL url = new URL("file:"+path);
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URLClassLoader loader = URLClassLoader.newInstance(new URL[]{url});
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URL manifestURL = new URL("jar:file:"+path+"!/META-INF/MANIFEST.MF");
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InputStream inputStream = manifestURL.openStream();
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Manifest manifest = new Manifest(inputStream);
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Attributes attr = manifest.getMainAttributes();
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String plugletClassName = attr.getValue("Pluglet-Class");
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org.mozilla.util.DebugPluglet.print("-- PlugletLoader.getPluglet class name "+plugletClassName+"\n");
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org.mozilla.util.DebugPluglet.print("-- PL url[0] "+loader.getURLs()[0]+"\n");
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if (plugletClassName == null) {
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//nb
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return null;
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}
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if (policy == null) {
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policy = new PlugletPolicy(Policy.getPolicy());
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}
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if (policy != Policy.getPolicy()) {
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Policy.setPolicy(policy);
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}
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CodeSource codesource = new CodeSource(url,null);
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Permission perm = new AllPermission();
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PermissionCollection collection = perm.newPermissionCollection();
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collection.add(perm);
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policy.grantPermission(codesource,collection);
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Object pluglet = loader.loadClass(plugletClassName).newInstance();
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if (pluglet instanceof PlugletFactory) {
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org.mozilla.util.DebugPluglet.print("-- ok we have a PlugletFactory"+"\n");
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return (PlugletFactory) pluglet;
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} else {
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org.mozilla.util.DebugPluglet.print("-- oups we do not have a PlugletFactory"+"\n");
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return null;
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}
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} catch (Exception e) {
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org.mozilla.util.DebugPluglet.print("-- PlugletLoader.getPluglet exc "+e);
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e.printStackTrace();
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return null;
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}
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}
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public static String getMIMEDescription(String path) {
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try {
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org.mozilla.util.DebugPluglet.print("-- PlugletLoader.getMIMEDescription("+path+")\n");
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URL manifestURL = new URL("jar:file:"+path+"!/META-INF/MANIFEST.MF");
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InputStream inputStream = manifestURL.openStream();
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Manifest manifest = new Manifest(inputStream);
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Attributes attr = manifest.getMainAttributes();
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String mimeDescription = attr.getValue("MIMEDescription");
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org.mozilla.util.DebugPluglet.print("-- PlugletLoader.getMIMEDescription desc "+mimeDescription+"\n");
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return mimeDescription;
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} catch (Exception e) {
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org.mozilla.util.DebugPluglet.print(e+"\n");
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e.printStackTrace();
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return null;
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}
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}
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private static PlugletPolicy policy = null;
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}
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