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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.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 javax.xml.transform.stream.StreamResult;
-
- import org.xml.sax.ContentHandler;
-
- 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.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;
- import org.apache.fop.render.intermediate.IFDocumentHandler;
- import org.apache.fop.render.intermediate.IFException;
- import org.apache.fop.render.intermediate.IFParser;
- import org.apache.fop.render.intermediate.IFUtil;
-
- /**
- * Implementation of the {@link Processor} interface that renders IF XML to a final output format.
- */
- public class IFProcessorImpl
- implements Processor, Configurable, Initializable {
-
- private static final Log LOGGER = LogFactory.getLog(IFProcessorImpl.class);
-
-
- private FopFactory fopFactory;
- private TransformerFactory factory = TransformerFactory.newInstance();
- private String userconfig;
- private String mime;
- private String fileExtension;
-
- /** {@inheritDoc} */
- public void configure(Configuration configuration) throws ConfigurationException {
- this.userconfig = configuration.getChild("userconfig").getValue(null);
- this.mime = configuration.getChild("mime").getValue(MimeConstants.MIME_PDF);
- this.fileExtension = configuration.getChild("extension").getValue(".pdf");
- }
-
- /** {@inheritDoc} */
- public void initialize() throws Exception {
- if (this.userconfig != null) {
- LOGGER.debug("Setting user config: " + userconfig);
- fopFactory = FopFactory.newInstance(new File(this.userconfig));
- } else {
- fopFactory = FopFactory.newInstance(new File(".").toURI());
- }
- }
-
- /** {@inheritDoc}
- * @throws IFException */
- public void process(Source src, Templates templates, OutputStream out)
- throws org.apache.fop.apps.FOPException, java.io.IOException, IFException {
- FOUserAgent foUserAgent = fopFactory.newFOUserAgent();
- try {
- URL url = new URL(src.getSystemId());
- String filename = FilenameUtils.getName(url.getPath());
- foUserAgent.getEventBroadcaster().addEventListener(
- new AvalonAdapter(LOGGER, filename));
- } catch (MalformedURLException mfue) {
- throw new RuntimeException(mfue);
- }
-
- //Setup target handler
- IFDocumentHandler targetHandler = fopFactory.getRendererFactory().createDocumentHandler(
- foUserAgent, mime);
-
- //Setup fonts
- IFUtil.setupFonts(targetHandler);
- targetHandler.setResult(new StreamResult(out));
-
- try {
- Transformer transformer;
- if (templates == null) {
- transformer = factory.newTransformer();
- } else {
- transformer = templates.newTransformer();
- }
- IFParser parser = new IFParser();
- ContentHandler contentHandler = parser.getContentHandler(targetHandler, foUserAgent);
- Result res = new SAXResult(contentHandler);
- transformer.transform(src, res);
- } catch (TransformerException e) {
- throw new FOPException(e);
- }
- }
-
- /** {@inheritDoc} */
- public String getTargetFileExtension() {
- return this.fileExtension;
- }
-
- }
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