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- /*
- * Copyright 2006 The Apache Software Foundation.
- *
- * Licensed 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.intermediate;
-
- import java.io.BufferedOutputStream;
- import java.io.File;
- import java.io.FileOutputStream;
- import java.io.OutputStream;
- import java.net.MalformedURLException;
-
- import javax.xml.transform.Result;
- import javax.xml.transform.Source;
- import javax.xml.transform.Templates;
- import javax.xml.transform.Transformer;
- import javax.xml.transform.TransformerConfigurationException;
- import javax.xml.transform.dom.DOMResult;
- import javax.xml.transform.dom.DOMSource;
- import javax.xml.transform.sax.SAXResult;
- import javax.xml.transform.sax.SAXTransformerFactory;
- import javax.xml.transform.sax.TransformerHandler;
- import javax.xml.transform.stream.StreamResult;
- import javax.xml.transform.stream.StreamSource;
-
- import org.apache.commons.io.IOUtils;
- import org.apache.commons.io.output.ByteArrayOutputStream;
- import org.apache.fop.apps.FOUserAgent;
- import org.apache.fop.apps.Fop;
- import org.apache.fop.apps.MimeConstants;
- import org.apache.fop.area.AreaTreeModel;
- import org.apache.fop.area.AreaTreeParser;
- import org.apache.fop.area.RenderPagesModel;
- import org.apache.fop.fonts.FontInfo;
- import org.apache.fop.render.Renderer;
- import org.apache.fop.render.xml.XMLRenderer;
-
- //XML Unit 1.0: See http://xmlunit.sourceforge.net (BSD-style License)
- import org.custommonkey.xmlunit.XMLTestCase;
- import org.w3c.dom.Document;
-
- /**
- * Tests the area tree parser.
- */
- public class AreaTreeParserTestCase extends XMLTestCase {
-
- private static SAXTransformerFactory tFactory
- = (SAXTransformerFactory)SAXTransformerFactory.newInstance();
- private static Templates stylesheet = null;
-
- private File mainDir = new File("test/layoutengine");
- private File testDir = new File(mainDir, "standard-testcases");
-
- private String name;
- private File testFile;
-
- private File outputDir;
- private Document intermediate;
-
- /** @see junit.framework.TestCase#TestCase(String) */
- public AreaTreeParserTestCase(String name) {
- super(name);
- }
-
- /**
- * Constructor for the test suite that is used for each test file.
- * @param testFile the test file to run
- */
- public AreaTreeParserTestCase(File testFile) {
- super(testFile.getName());
- this.testFile = testFile;
- }
-
- private Templates getStylesheet() throws TransformerConfigurationException {
- if (stylesheet == null) {
- File xsltFile = new File(mainDir, "testcase2fo.xsl");
- stylesheet = tFactory.newTemplates(new StreamSource(xsltFile));
- }
- return stylesheet;
- }
-
- /** @see junit.framework.TestCase#setUp() */
- protected void setUp() throws Exception {
- super.setUp();
- String s = System.getProperty("fop.intermediate.outdir");
- if (s != null && s.length() > 0) {
- outputDir = new File(s);
- outputDir.mkdirs();
- }
- File srcFile;
- if (testFile != null) {
- srcFile = testFile;
- } else {
- srcFile = new File(testDir, "block_font-style.xml");
- }
- this.name = srcFile.getName();
- intermediate = buildAreaTreeXML(new StreamSource(srcFile), getStylesheet());
- if (outputDir != null) {
- saveDOM(intermediate, new File(outputDir, name + ".at1.xml"));
- }
- }
-
-
- /**
- * Tests the area tree parser by running the parsed area tree again through the area tree
- * renderer. The source and result documents are compared to each other.
- * @throws Exception if the test fails
- */
- public void testParserToAT() throws Exception {
-
- Source src = new DOMSource(intermediate);
- Document doc = parseAndRenderToAreaTree(src);
- if (outputDir != null) {
- File tgtFile = new File(outputDir, name + ".at2.xml");
- saveDOM(doc, tgtFile);
- }
-
- assertXMLEqual(intermediate, doc);
- }
-
- private void saveDOM(Document doc, File tgtFile) throws Exception {
- Transformer transformer = tFactory.newTransformer();
- Source src = new DOMSource(doc);
- Result res = new StreamResult(tgtFile);
- transformer.transform(src, res);
- }
-
- /**
- * Tests the area tree parser by sending the parsed area tree to the PDF Renderer. Some
- * errors might be caught by the PDFRenderer.
- * @throws Exception if the test fails
- */
- public void testParserToPDF() throws Exception {
- OutputStream out;
- if (outputDir != null) {
- File tgtFile = new File(outputDir, name + ".pdf");
- out = new FileOutputStream(tgtFile);
- out = new BufferedOutputStream(out);
- } else {
- out = new ByteArrayOutputStream();
- }
- try {
- Source src = new DOMSource(intermediate);
- parseAndRender(src, out, MimeConstants.MIME_PDF);
- } finally {
- IOUtils.closeQuietly(out);
- }
- }
-
- private FOUserAgent createUserAgent() {
- FOUserAgent userAgent = new FOUserAgent();
- try {
- userAgent.setBaseURL(testDir.toURL().toExternalForm());
- } catch (MalformedURLException e) {
- //ignore, won't happen
- }
- return userAgent;
- }
-
- private Document buildAreaTreeXML(Source src, Templates stylesheet) throws Exception {
- Transformer transformer;
- if (stylesheet != null) {
- transformer = stylesheet.newTransformer();
- } else {
- transformer = tFactory.newTransformer();
- }
-
- //Set up XMLRenderer to render to a DOM
- TransformerHandler handler = tFactory.newTransformerHandler();
- DOMResult domResult = new DOMResult();
- handler.setResult(domResult);
-
- FOUserAgent userAgent = createUserAgent();
-
- //Create an instance of the target renderer so the XMLRenderer can use its font setup
- Renderer targetRenderer = userAgent.getRendererFactory().createRenderer(
- userAgent, MimeConstants.MIME_PDF);
-
- XMLRenderer renderer = new XMLRenderer();
- renderer.mimicRenderer(targetRenderer);
- renderer.setTransformerHandler(handler);
- renderer.setUserAgent(userAgent);
-
- userAgent.setRendererOverride(renderer);
-
- Fop fop = new Fop(MimeConstants.MIME_FOP_AREA_TREE, userAgent);
- Result res = new SAXResult(fop.getDefaultHandler());
- transformer.transform(src, res);
-
- return (Document)domResult.getNode();
- }
-
- private void parseAndRender(Source src, OutputStream out, String mime) throws Exception {
- AreaTreeParser parser = new AreaTreeParser();
-
- FOUserAgent userAgent = createUserAgent();
- FontInfo fontInfo = new FontInfo();
- AreaTreeModel treeModel = new RenderPagesModel(userAgent,
- mime, fontInfo, out);
- parser.parse(src, treeModel, userAgent);
- treeModel.endDocument();
- }
-
- private Document parseAndRenderToAreaTree(Source src) throws Exception {
- AreaTreeParser parser = new AreaTreeParser();
-
- //Set up XMLRenderer to render to a DOM
- TransformerHandler handler = tFactory.newTransformerHandler();
- DOMResult domResult = new DOMResult();
- handler.setResult(domResult);
- XMLRenderer renderer = new XMLRenderer();
- renderer.setTransformerHandler(handler);
-
- FOUserAgent userAgent = createUserAgent();
- userAgent.setRendererOverride(renderer);
- renderer.setUserAgent(userAgent);
-
- FontInfo fontInfo = new FontInfo();
- AreaTreeModel treeModel = new RenderPagesModel(userAgent,
- MimeConstants.MIME_FOP_AREA_TREE, fontInfo, null);
- parser.parse(src, treeModel, userAgent);
- treeModel.endDocument();
-
- return (Document)domResult.getNode();
- }
-
- }
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