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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.
- */
- package org.apache.fop.render;
-
- import java.io.ByteArrayInputStream;
- import java.io.ByteArrayOutputStream;
- import java.io.File;
- import java.util.concurrent.ExecutorService;
- import java.util.concurrent.Executors;
- import java.util.concurrent.TimeUnit;
-
- 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;
-
- public class ConserveMemoryTestCase {
- @Test
- public void testLink() throws Throwable {
- final String fo = "<fo:root xmlns:fo=\"http://www.w3.org/1999/XSL/Format\">\n"
- + " <fo:layout-master-set>\n"
- + " <fo:simple-page-master master-name=\"simple\" page-height=\"27.9cm\" page-width=\"21.6cm\">\n"
- + " <fo:region-body />\n"
- + " </fo:simple-page-master>\n"
- + " </fo:layout-master-set>\n"
- + " <fo:page-sequence master-reference=\"simple\">\n"
- + " <fo:flow flow-name=\"xsl-region-body\">\n"
- + " <fo:block><fo:basic-link internal-destination=\"a\">a</fo:basic-link></fo:block>\n"
- + " </fo:flow>\n"
- + " </fo:page-sequence>\n"
- + "</fo:root>";
-
- ExecutorService es = Executors.newCachedThreadPool();
- final Throwable[] ex = new Throwable[1];
- for (int i = 0; i < 5; i++) {
- Runnable thread = new Runnable() {
- public void run() {
- try {
- foToOutput(fo);
- } catch (Throwable e) {
- ex[0] = e;
- }
- }
- };
- es.execute(thread);
- }
- es.shutdown();
- es.awaitTermination(1, TimeUnit.MINUTES);
- if (ex[0] != null) {
- throw ex[0];
- }
- }
-
- private void foToOutput(String fo) throws SAXException, TransformerException {
- FopFactory fopFactory = FopFactory.newInstance(new File(".").toURI());
- FOUserAgent userAgent = fopFactory.newFOUserAgent();
- userAgent.setConserveMemoryPolicy(true);
- userAgent.setAccessibility(true);
- Fop fop = fopFactory.newFop("application/pdf", userAgent, new ByteArrayOutputStream());
- Transformer transformer = TransformerFactory.newInstance().newTransformer();
- Source src = new StreamSource(new ByteArrayInputStream(fo.getBytes()));
- Result res = new SAXResult(fop.getDefaultHandler());
- transformer.transform(src, res);
- }
- }
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