/*
* 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.accessibility.fo;
import java.io.ByteArrayOutputStream;
import java.io.File;
import java.io.IOException;
import java.net.URL;
import java.util.MissingResourceException;
import javax.xml.transform.Result;
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.junit.Test;
import org.xml.sax.SAXException;
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.render.intermediate.IFContext;
import org.apache.fop.render.intermediate.IFDocumentHandler;
import org.apache.fop.render.intermediate.IFSerializer;
/**
* Test for reproducing a NullPointerException occurring with activated PDF/UA and when an image
* is marked as an artifact.
* @see FOP-2646
*/
public class ArtifactImageBugTestCase {
@Test
public void testMarkerStateTrackingBug() throws Exception {
ByteArrayOutputStream out = new ByteArrayOutputStream();
formatFO(needResource("artifact-image-npe.fo"), out, MimeConstants.MIME_PDF);
//checkPDF(out);
}
private void formatFO(URL foFile, ByteArrayOutputStream out, String mimeFopIf)
throws IOException, SAXException, TransformerException {
FopFactory fopFactory = getFopFactory();
FOUserAgent userAgent = fopFactory.newFOUserAgent();
if (mimeFopIf.equals(MimeConstants.MIME_FOP_IF)) {
IFSerializer serializer = new IFSerializer(new IFContext(userAgent));
IFDocumentHandler targetHandler
= userAgent.getRendererFactory().createDocumentHandler(userAgent, MimeConstants.MIME_PDF);
serializer.mimicDocumentHandler(targetHandler);
userAgent.setDocumentHandlerOverride(serializer);
}
Fop fop = fopFactory.newFop(mimeFopIf, userAgent, out);
Transformer transformer = TransformerFactory.newInstance().newTransformer();
Source src = new StreamSource(foFile.openStream());
Result res = new SAXResult(fop.getDefaultHandler());
transformer.transform(src, res);
}
private FopFactory getFopFactory() throws IOException, SAXException {
return FopFactory.newInstance(new File(".").toURI(),
needResource("/org/apache/fop/pdf/PDFUA.xconf").openStream());
}
private URL needResource(String resourceName) {
return needResource(getClass(), resourceName);
}
private URL needResource(Class contextClass, String resourceName) {
URL url = contextClass.getResource(resourceName);
if (url == null) {
throw new MissingResourceException("Resource not found: " + resourceName,
contextClass.getName(), resourceName);
}
return url;
}
}