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/*
* This file is part of the LibreOffice project.
*
* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/.
*
* This file incorporates work covered by the following license notice:
*
* 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 .
*/
package oooapplet;
import java.lang.reflect.Method;
import java.lang.reflect.Array;
import java.net.*;
import java.io.*;
import java.awt.*;
import java.applet.Applet;
import java.awt.Graphics;
import java.util.*;
public class OOoViewer extends Applet {
private static CustomURLClassLoader m_loader;
Object m_objBean;
@Override
public void init() {
try {
if (m_loader == null) {
String s = getParameter("office");
System.out.println("sun.awt.noxembed: " + System.getProperty("sun.awt.noxembed"));
System.setProperty("sun.awt.xembedserver", "true");
File f = new File(s);
URL url = f.toURI().toURL();
String officeURL = url.toString();
URL[] arURL = new URL[] {
new URL(officeURL + "/program/classes/officebean.jar"),
new URL(officeURL + "/program/classes/libreoffice.jar"),
new URL(officeURL + "/program/classes/java_uno.jar")
};
m_loader = new CustomURLClassLoader(arURL);
File fileProg = new File(s + "/program");
m_loader.addResourcePath(fileProg.toURI().toURL());
}
} catch (MalformedURLException e) {
e.printStackTrace();
}
}
@Override
public void start() {
try {
Class<?> beanClass = m_loader.loadClass("com.sun.star.comp.beans.OOoBean");
m_objBean = beanClass.newInstance();
setLayout(new BorderLayout());
add((java.awt.Container)m_objBean, BorderLayout.CENTER);
setVisible(true);
//this does not work here. Why?
// Class arPropValClass = m_loader.loadClass("[Lcom.sun.star.beans.PropertyValue;");
Object arProp = Array.newInstance(
m_loader.loadClass("com.sun.star.beans.PropertyValue"), 1);
Method methLoad = beanClass.getMethod(
"loadFromURL", new Class[] {
String.class, arProp.getClass() });
methLoad.invoke(m_objBean, new Object[] {"private:factory/swriter", null});
} catch (ClassNotFoundException e) {
e.printStackTrace();
} catch (InstantiationException e) {
e.printStackTrace();
} catch (IllegalAccessException e) {
e.printStackTrace();
} catch (ClassCastException e) {
e.printStackTrace();
} catch (java.lang.reflect.InvocationTargetException e) {
e.printStackTrace();
} catch (java.lang.NoSuchMethodException e) {
e.printStackTrace(); }
validate();
}
@Override
public void stop() {
try {
Method methStop = m_objBean.getClass().getMethod(
"stopOOoConnection", new Class[0]);
methStop.invoke(m_objBean, (Object[]) null);
} catch (java.lang.NoSuchMethodException e) {
e.printStackTrace();
} catch (java.lang.IllegalAccessException e) {
e.printStackTrace();
}
catch (java.lang.reflect.InvocationTargetException e) {
e.printStackTrace();
}
}
@Override
public void destroy() {
}
@Override
public void paint(Graphics g) {
}
}
final class CustomURLClassLoader extends URLClassLoader {
private ArrayList<URL> resourcePaths;
public CustomURLClassLoader( URL[] urls ) {
super( urls );
}
@Override
protected Class<?> findClass( String name ) throws ClassNotFoundException {
// This is only called via this.loadClass -> super.loadClass ->
// this.findClass, after this.loadClass has already called
// super.findClass, so no need to call super.findClass again:
throw new ClassNotFoundException( name );
}
@Override
protected synchronized Class<?> loadClass( String name, boolean resolve )
throws ClassNotFoundException
{
Class c = findLoadedClass( name );
if ( c == null ) {
try {
c = super.findClass( name );
} catch ( ClassNotFoundException e ) {
return super.loadClass( name, resolve );
} catch ( SecurityException e ) {
// A SecurityException "Prohibited package name: java.lang"
// may occur when the user added the JVM's rt.jar to the
// java.class.path:
return super.loadClass( name, resolve );
}
}
if ( resolve ) {
resolveClass( c );
}
return c;
}
public void addResourcePath(URL rurl) {
if (resourcePaths == null) resourcePaths = new ArrayList<URL>();
resourcePaths.add(rurl);
}
@Override
public URL getResource(String name) {
if (resourcePaths == null) return null;
URL result = super.getResource(name);
if (result != null) {
return result;
}
for (URL u : resourcePaths) {
if (u.getProtocol().startsWith("file")){
try {
File f1 = new File(u.getPath());
File f2 = new File(f1, name);
if (f2.exists()) {
return new URL(f2.toURI().toASCIIString());
}
} catch (MalformedURLException e1) {
System.err.println("malformed url: "+e1.getMessage());
continue;
}
}
}
return null;
}
}
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