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- /*
- * 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;
- }
- }
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