| /* |
| * 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 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| |
| /* $Id$ */ |
| |
| package org.apache.fop.threading; |
| |
| import java.io.File; |
| import java.io.OutputStream; |
| import java.net.MalformedURLException; |
| import java.net.URI; |
| import java.net.URISyntaxException; |
| import java.net.URL; |
| |
| import javax.xml.transform.Result; |
| import javax.xml.transform.Source; |
| import javax.xml.transform.Templates; |
| import javax.xml.transform.Transformer; |
| import javax.xml.transform.TransformerException; |
| import javax.xml.transform.TransformerFactory; |
| import javax.xml.transform.sax.SAXResult; |
| |
| import org.xml.sax.SAXException; |
| |
| import org.apache.commons.io.FilenameUtils; |
| |
| import org.apache.commons.logging.Log; |
| import org.apache.commons.logging.LogFactory; |
| |
| import org.apache.fop.activity.Initializable; |
| import org.apache.fop.apps.FOPException; |
| import org.apache.fop.apps.FOUserAgent; |
| import org.apache.fop.apps.Fop; |
| import org.apache.fop.apps.FopFactory; |
| import org.apache.fop.apps.MimeConstants; |
| import org.apache.fop.configuration.Configurable; |
| import org.apache.fop.configuration.Configuration; |
| import org.apache.fop.configuration.ConfigurationException; |
| |
| /** |
| * Default implementation of the {@link Processor} interface using FOP. |
| */ |
| public class FOProcessorImpl |
| implements Processor, Configurable, Initializable { |
| |
| private static final Log LOG = LogFactory.getLog(FOProcessorImpl.class); |
| |
| private FopFactory fopFactory; |
| private TransformerFactory factory = TransformerFactory.newInstance(); |
| private URI userconfig; |
| private String mime; |
| private String fileExtension; |
| |
| /** {@inheritDoc} */ |
| public void configure(Configuration configuration) throws ConfigurationException { |
| try { |
| this.userconfig = new URI(configuration.getChild("userconfig").getValue(null)); |
| this.mime = configuration.getChild("mime").getValue(MimeConstants.MIME_PDF); |
| this.fileExtension = configuration.getChild("extension").getValue(".pdf"); |
| } catch (URISyntaxException use) { |
| throw new RuntimeException(use); |
| } |
| } |
| |
| public void initialize() throws Exception { |
| if (this.userconfig != null) { |
| LOG.debug("Setting user config: " + userconfig); |
| fopFactory = FopFactory.newInstance(new File(userconfig)); |
| } else { |
| fopFactory = FopFactory.newInstance(new File(".").toURI()); |
| } |
| } |
| |
| /** {@inheritDoc} |
| * @throws URISyntaxException |
| * @throws SAXException */ |
| public void process(Source src, Templates templates, OutputStream out) |
| throws java.io.IOException, URISyntaxException, SAXException { |
| FOUserAgent foUserAgent = fopFactory.newFOUserAgent(); |
| |
| try { |
| URL url = new URL(src.getSystemId()); |
| String filename = FilenameUtils.getName(url.getPath()); |
| foUserAgent.getEventBroadcaster().addEventListener( |
| new AvalonAdapter(LOG, filename)); |
| } catch (MalformedURLException mfue) { |
| throw new RuntimeException(mfue); |
| } |
| Fop fop = fopFactory.newFop(this.mime, foUserAgent, out); |
| |
| try { |
| Transformer transformer; |
| if (templates == null) { |
| transformer = factory.newTransformer(); |
| } else { |
| transformer = templates.newTransformer(); |
| } |
| Result res = new SAXResult(fop.getDefaultHandler()); |
| transformer.transform(src, res); |
| } catch (TransformerException e) { |
| throw new FOPException(e); |
| } |
| } |
| |
| /** {@inheritDoc} */ |
| public String getTargetFileExtension() { |
| return this.fileExtension; |
| } |
| } |