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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.render.pdf;
-
- import java.io.File;
-
- import javax.xml.transform.Source;
- 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.StreamSource;
-
- import org.apache.commons.io.FileUtils;
- import org.apache.commons.io.output.ByteArrayOutputStream;
- import org.apache.fop.AbstractFOPTest;
- 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.xml.sax.SAXException;
-
- /**
- * Base class for automated tests that create PDF files
- */
- public class BasePDFTest extends AbstractFOPTest {
-
- /** the FopFactory */
- protected final FopFactory fopFactory = FopFactory.newInstance();
-
- /** the JAXP TransformerFactory */
- protected final TransformerFactory tFactory = TransformerFactory.newInstance();
-
- /**
- * Main constructor
- */
- protected BasePDFTest() {
- init();
- }
-
- /**
- * initalizes the test
- */
- protected void init() {
- final File uc = getUserConfigFile();
-
- try {
- fopFactory.setUserConfig(uc);
- } catch (Exception e) {
- throw new RuntimeException("fopFactory.setUserConfig ("
- + uc.getAbsolutePath() + ") failed: " + e.getMessage());
- }
- }
-
- /**
- * Convert a test FO file to PDF
- * @param foFile the FO file
- * @param ua the preconfigured user agent
- * @param dumpPdfFile if true, dumps the generated PDF file to a file name (foFile).pdf
- * @return the generated PDF data
- * @throws Exception if the conversion fails
- */
- protected byte[] convertFO(File foFile, FOUserAgent ua, boolean dumpPdfFile)
- throws Exception {
- ByteArrayOutputStream baout = new ByteArrayOutputStream();
- Fop fop = fopFactory.newFop(MimeConstants.MIME_PDF, ua, baout);
- Transformer transformer = tFactory.newTransformer();
- Source src = new StreamSource(foFile);
- SAXResult res = new SAXResult(fop.getDefaultHandler());
- try {
- transformer.transform(src, res);
- final byte[] result = baout.toByteArray();
- if (dumpPdfFile) {
- final File outFile = new File(foFile.getParentFile(), foFile.getName() + ".pdf");
- FileUtils.writeByteArrayToFile(outFile, result);
- }
- return result;
- } catch (TransformerException e) {
- throw extractOriginalException(e);
- }
- }
-
- private static Exception extractOriginalException(Exception e) {
- if (e.getCause() != null) {
- return extractOriginalException((Exception)e.getCause());
- } else if (e instanceof SAXException) {
- SAXException se = (SAXException)e;
- if (se.getException() != null) {
- return extractOriginalException(se.getException());
- }
- }
- return e;
- }
-
- /**
- * get FOP config File
- * @return user config file to be used for testing
- */
- protected File getUserConfigFile() {
- return new File("test/test.xconf");
- }
- }
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