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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;
import java.io.File;
import java.io.InputStream;
import java.io.OutputStream;
import java.util.Map;
import java.util.MissingResourceException;
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.IOUtils;
import org.apache.fop.apps.FOUserAgent;
import org.apache.fop.apps.Fop;
import org.apache.fop.apps.FopFactory;
import org.apache.fop.apps.MimeConstants;
/**
* Abstract base class for rendering (output) verification tests.
*/
public abstract class AbstractRenderingTest {
private static final Map<String, String> MIME_MAP = new java.util.HashMap<String, String>();
static {
MIME_MAP.put(MimeConstants.MIME_PDF, ".pdf");
MIME_MAP.put(MimeConstants.MIME_POSTSCRIPT, ".ps");
MIME_MAP.put(MimeConstants.MIME_AFP, ".afp");
}
/** the JAXP TransformerFactory */
protected TransformerFactory tFactory = TransformerFactory.newInstance();
/** the FopFactory */
protected FopFactory fopFactory = FopFactory.newInstance();
/**
* Renders a test file.
* @param ua the user agent (with override set!)
* @param resourceName the resource name for the FO file
* @param suffix a suffix for the output filename
* @param outputFormat MIME type of the requested output format
* @return the output file
* @throws Exception if an error occurs
*/
protected File renderFile(FOUserAgent ua, String resourceName, String suffix,
String outputFormat) throws Exception {
String extension = MIME_MAP.get(outputFormat);
assert extension != null;
File outputFile = new File("build/test-results/" + resourceName + suffix + extension);
File outputDir = outputFile.getParentFile();
FileUtils.forceMkdir(outputDir);
// Prepare input file
InputStream in = getClass().getResourceAsStream(resourceName);
if (in == null) {
throw new MissingResourceException(resourceName + " not found in resources",
getClass().getName(), null);
}
try {
Source src = new StreamSource(in);
// Create output file
OutputStream out = new java.io.FileOutputStream(outputFile);
out = new java.io.BufferedOutputStream(out);
try {
Fop fop = fopFactory.newFop(outputFormat, ua, out);
SAXResult res = new SAXResult(fop.getDefaultHandler());
Transformer transformer = tFactory.newTransformer();
transformer.transform(src, res);
} finally {
IOUtils.closeQuietly(out);
}
} finally {
IOUtils.closeQuietly(in);
}
return outputFile;
}
}
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