| /******************************************************************************* |
| * Copyright (c) 2013, 2014 IBH SYSTEMS GmbH and others. |
| * All rights reserved. This program and the accompanying materials |
| * are made available under the terms of the Eclipse Public License v1.0 |
| * which accompanies this distribution, and is available at |
| * http://www.eclipse.org/legal/epl-v10.html |
| * |
| * Contributors: |
| * IBH SYSTEMS GmbH - initial API and implementation |
| *******************************************************************************/ |
| package org.eclipse.tycho.extras.docbundle; |
| |
| import java.io.File; |
| import java.io.FileReader; |
| import java.io.IOException; |
| import java.io.LineNumberReader; |
| |
| import javax.xml.parsers.DocumentBuilder; |
| import javax.xml.parsers.DocumentBuilderFactory; |
| import javax.xml.transform.OutputKeys; |
| import javax.xml.transform.Transformer; |
| import javax.xml.transform.TransformerFactory; |
| import javax.xml.transform.dom.DOMSource; |
| import javax.xml.transform.stream.StreamResult; |
| |
| import org.apache.maven.plugin.MojoExecutionException; |
| import org.apache.maven.plugin.logging.Log; |
| import org.w3c.dom.DOMException; |
| import org.w3c.dom.Document; |
| import org.w3c.dom.Element; |
| import org.w3c.dom.ProcessingInstruction; |
| |
| public class TocWriter { |
| private TocOptions options; |
| |
| private File javadocDir; |
| |
| private File basedir; |
| |
| private Log log; |
| |
| public TocWriter() { |
| } |
| |
| public void setLog(final Log log) { |
| this.log = log; |
| } |
| |
| public void setBasedir(final File basedir) { |
| this.basedir = basedir; |
| } |
| |
| public void setJavadocDir(final File javadocDir) { |
| this.javadocDir = javadocDir; |
| } |
| |
| public void setOptions(final TocOptions options) { |
| this.options = options; |
| if (this.options == null) { |
| this.options = new TocOptions(); |
| } |
| } |
| |
| public void writeTo(final File tocFile) throws MojoExecutionException { |
| if (tocFile == null) { |
| return; |
| } |
| |
| try { |
| process(tocFile); |
| } catch (final Exception e) { |
| throw new MojoExecutionException("Failed to generate toc file", e); |
| } |
| } |
| |
| private void process(final File tocFile) throws Exception { |
| |
| tocFile.getParentFile().mkdirs(); |
| |
| final DocumentBuilderFactory dbf = DocumentBuilderFactory.newInstance(); |
| final DocumentBuilder db = dbf.newDocumentBuilder(); |
| final Document doc = db.newDocument(); |
| |
| fillDocument(doc, tocFile); |
| |
| final TransformerFactory transformerFactory = TransformerFactory.newInstance(); |
| final Transformer transformer = transformerFactory.newTransformer(); |
| transformer.setOutputProperty(OutputKeys.INDENT, "yes"); |
| final DOMSource source = new DOMSource(doc); |
| final StreamResult result = new StreamResult(tocFile); |
| |
| transformer.transform(source, result); |
| } |
| |
| private void fillDocument(final Document doc, final File tocFile) throws Exception { |
| final ProcessingInstruction pi = doc.createProcessingInstruction("NLS", "TYPE=\"org.eclipse.help.toc\""); |
| doc.appendChild(pi); |
| |
| final Element toc = doc.createElement("toc"); |
| doc.appendChild(toc); |
| toc.setAttribute("label", this.options.getMainLabel()); |
| |
| final Element main = createTopic(doc, toc, this.options.getMainLabel(), this.options.getMainFilename()); |
| final Element packages = createTopic(doc, main, "Packages", null); |
| createTopic(doc, main, "Constant Values", "constant-values.html"); |
| createTopic(doc, main, "Deprecated List", "deprecated-list.html"); |
| |
| File packageList = new File(this.javadocDir, "package-list"); |
| if (!packageList.exists()) { |
| packageList = new File(this.javadocDir, "element-list"); |
| } |
| try (LineNumberReader reader = new LineNumberReader(new FileReader(packageList))) { |
| String line; |
| |
| while ((line = reader.readLine()) != null) { |
| createTopic(doc, packages, line, line.replace('.', '/') + "/package-summary.html"); |
| } |
| } |
| } |
| |
| private Element createTopic(final Document doc, final Element parent, final String label, final String fileName) |
| throws DOMException, IOException { |
| final Element topic = doc.createElement("topic"); |
| parent.appendChild(topic); |
| topic.setAttribute("label", label); |
| if (fileName != null) { |
| topic.setAttribute("href", makeRelative(this.basedir, new File(this.javadocDir.toString(), fileName))); |
| } |
| return topic; |
| } |
| |
| private String makeRelative(final File base, final File file) throws IOException { |
| final String result = base.getCanonicalFile().toURI().relativize(file.getCanonicalFile().toURI()).getPath(); |
| this.log.info(String.format("Make relative - base: %s, file: %s -> %s", base, file, result)); |
| return result; |
| } |
| } |