/* * 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/jurt.jar"), new URL(officeURL + "/program/classes/ridl.jar"), new URL(officeURL + "/program/classes/unoil.jar"), new URL(officeURL + "/program/classes/java_uno.jar"), new URL(officeURL + "/program/classes/juh.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 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(); 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; } } > LibreOffice 核心代码仓库文档基金会
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