Web在线读PDF,Doc 把Pdf导出JPG 超级好用

/************************************************************************* * * $RCSfile: ConverterServlet.java,v $ * * $Revision: 1.8 $ * * last change: $Author: hr $ $Date: 2004/02/02 20:09:11 $ * * The Contents of this file are made available subject to the terms of * the BSD license. * * Copyright (c) 2003 by Sun Microsystems, Inc. * All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * 3. Neither the name of Sun Microsystems, Inc. nor the names of its * contributors may be used to endorse or promote products derived * from this software without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE * COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR * TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE * USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. * *************************************************************************/ // UNO API import com.sun.star.bridge.XUnoUrlResolver; import com.sun.star.uno.XComponentContext; import com.sun.star.uno.UnoRuntime; import com.sun.star.frame.XComponentLoader; import com.sun.star.frame.XStorable; import com.sun.star.util.XCloseable; import com.sun.star.beans.PropertyValue; import com.sun.star.beans.XPropertySet; import com.sun.star.lang.XComponent; import com.sun.star.lang.XMultiComponentFactory; /** This class implements a http servlet in order to convert an incoming document * with help of a running OpenOffice.org and to push the converted file back * to the client. */ public class Converter2PDF{ /** Specifies the temporary directory on the web server. */ private String stringWorkingDirectory; //System.getProperty( "java.io.tmpdir" ).replace( '\\', '/' ); /** Specifies the host for the office server. */ private String stringHost = "localhost"; /** Specifies the port for the office server. */ private String stringPort = "2002"; /** Called by the server (via the service method) to allow a servlet to handle * a POST request. The file from the client will be uploaded to the web server * and converted on the web server and after all pushed to the client. * @param request Object that contains the request the client has made of the servlet. * @param response Object that contains the response the servlet sends to the client. * @throws ServletException If the request for the POST could not be handled. * @throws IOException If an input or output error is detected when the servlet handles the request. */ /** This method converts a document to a given type by using a running * OpenOffice.org and saves the converted document to the specified * working directory. * @param stringDocumentName The full path name of the file on the server to be converted. * @param stringConvertType Type to convert to. * @param stringExtension This string will be appended to the file name of the converted file. * @return The full path name of the converted file will be returned. * @see stringWorkingDirectory */ public String convertDocument( String stringDocumentName, String stringConvertType, String stringExtension) throws Exception { String stringConvertedFile = ""; // Converting the document to the favoured type // try { // Composing the URL String stringUrl = "file:///" + stringDocumentName; /* Bootstraps a component context with the jurt base components registered. Component context to be granted to a component for running. Arbitrary values can be retrieved from the context. */ XComponentContext xcomponentcontext = com.sun.star.comp.helper.Bootstrap.createInitialComponentContext( null ); /* Gets the service manager instance to be used (or null). This method has been added for convenience, because the service manager is a often used object. */ XMultiComponentFactory xmulticomponentfactory = xcomponentcontext.getServiceManager(); /* Creates an instance of the component UnoUrlResolver which supports the services specified by the factory. */ Object objectUrlResolver = xmulticomponentfactory.createInstanceWithContext( "com.sun.star.bridge.UnoUrlResolver", xcomponentcontext ); // Create a new url resolver XUnoUrlResolver xurlresolver = ( XUnoUrlResolver ) UnoRuntime.queryInterface( XUnoUrlResolver.class, objectUrlResolver ); // Resolves an object that is specified as follow: // uno:<connection description>;<protocol description>;<initial object name> Object objectInitial = xurlresolver.resolve( "uno:socket,host=" + stringHost + ",port=" + stringPort + ";urp;StarOffice.ServiceManager" ); // Create a service manager from the initial object xmulticomponentfactory = ( XMultiComponentFactory ) UnoRuntime.queryInterface( XMultiComponentFactory.class, objectInitial ); // Query for the XPropertySet interface. XPropertySet xpropertysetMultiComponentFactory = ( XPropertySet ) UnoRuntime.queryInterface( XPropertySet.class, xmulticomponentfactory ); // Get the default context from the office server. Object objectDefaultContext = xpropertysetMultiComponentFactory.getPropertyValue( "DefaultContext" ); // Query for the interface XComponentContext. xcomponentcontext = ( XComponentContext ) UnoRuntime.queryInterface( XComponentContext.class, objectDefaultContext ); /* A desktop environment contains tasks with one or more frames in which components can be loaded. Desktop is the environment for components which can instanciate within frames. */ XComponentLoader xcomponentloader = ( XComponentLoader ) UnoRuntime.queryInterface( XComponentLoader.class, xmulticomponentfactory.createInstanceWithContext( "com.sun.star.frame.Desktop", xcomponentcontext ) ); // Preparing properties for loading the document PropertyValue propertyvalue[] = new P