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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.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.AbstractFOPTestCase;
import org.apache.fop.apps.FOUserAgent;
import org.apache.fop.apps.Fop;
import org.apache.fop.apps.FopFactory;
import org.apache.fop.apps.MimeConstants;
/**
* Base class for automated tests that create PDF files
*/
public class BasePDFTestCase extends AbstractFOPTestCase {
/** the FopFactory */
protected final FopFactory fopFactory = FopFactory.newInstance();
/** the JAXP TransformerFactory */
protected final TransformerFactory tFactory = TransformerFactory.newInstance();
/**
* Main constructor
* @param name the name of the test case
*/
protected BasePDFTestCase(String name) {
super(name);
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());
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;
}
/** get FOP config File */
protected File getUserConfigFile() {
return new File("test/test.xconf");
}
}
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