svn commit: r566497 - in /activemq/camel/trunk/tooling/maven/maven-html-to-docbook: pom.xml src/main/java/org/apache/camel/maven/ConfluenceToPDFMojo.java

[ch...@apache.org]

Author: chirino
Date: Wed Aug 15 23:27:53 2007
New Revision: 566497

URL: http://svn.apache.org/viewvc?view=rev&rev=566497
Log:
Adding a ConfluenceToPDFMojo which uses prince to create the PDF from an HTML page

Added:
    activemq/camel/trunk/tooling/maven/maven-html-to-docbook/src/main/java/org/apache/camel/maven/ConfluenceToPDFMojo.java   (with props)
Modified:
    activemq/camel/trunk/tooling/maven/maven-html-to-docbook/pom.xml

Modified: activemq/camel/trunk/tooling/maven/maven-html-to-docbook/pom.xml
URL: http://svn.apache.org/viewvc/activemq/camel/trunk/tooling/maven/maven-html-to-docbook/pom.xml?view=diff&rev=566497&r1=566496&r2=566497
==============================================================================
--- activemq/camel/trunk/tooling/maven/maven-html-to-docbook/pom.xml (original)
+++ activemq/camel/trunk/tooling/maven/maven-html-to-docbook/pom.xml Wed Aug 15 23:27:53 2007
@@ -43,6 +43,11 @@
     <dependency>
       <groupId>commons-logging</groupId>
       <artifactId>commons-logging-api</artifactId>
-    </dependency>    
+    </dependency>
+    <dependency>
+      <groupId>org.codehaus.plexus</groupId>
+      <artifactId>plexus-utils</artifactId>
+      <version>1.4.5</version>
+    </dependency>
   </dependencies>
 </project>

Added: activemq/camel/trunk/tooling/maven/maven-html-to-docbook/src/main/java/org/apache/camel/maven/ConfluenceToPDFMojo.java
URL: http://svn.apache.org/viewvc/activemq/camel/trunk/tooling/maven/maven-html-to-docbook/src/main/java/org/apache/camel/maven/ConfluenceToPDFMojo.java?view=auto&rev=566497
==============================================================================
--- activemq/camel/trunk/tooling/maven/maven-html-to-docbook/src/main/java/org/apache/camel/maven/ConfluenceToPDFMojo.java (added)
+++ activemq/camel/trunk/tooling/maven/maven-html-to-docbook/src/main/java/org/apache/camel/maven/ConfluenceToPDFMojo.java Wed Aug 15 23:27:53 2007
@@ -0,0 +1,198 @@
+/**
+ * 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.camel.maven;
+
+import java.io.BufferedInputStream;
+import java.io.BufferedOutputStream;
+import java.io.ByteArrayOutputStream;
+import java.io.File;
+import java.io.FileNotFoundException;
+import java.io.FileOutputStream;
+import java.io.IOException;
+import java.io.PrintWriter;
+import java.io.UnsupportedEncodingException;
+import java.net.MalformedURLException;
+import java.net.URL;
+
+import javax.xml.transform.Transformer;
+import javax.xml.transform.TransformerConfigurationException;
+import javax.xml.transform.TransformerException;
+import javax.xml.transform.TransformerFactory;
+import javax.xml.transform.TransformerFactoryConfigurationError;
+import javax.xml.transform.dom.DOMSource;
+import javax.xml.transform.stream.StreamResult;
+
+import org.w3c.dom.Document;
+import org.w3c.dom.NamedNodeMap;
+import org.w3c.dom.Node;
+import org.w3c.dom.NodeList;
+import org.w3c.tidy.Tidy;
+
+import org.apache.commons.logging.Log;
+import org.apache.commons.logging.LogFactory;
+import org.apache.maven.plugin.AbstractMojo;
+import org.apache.maven.plugin.MojoExecutionException;
+
+import org.codehaus.plexus.util.cli.CommandLineUtils;
+import org.codehaus.plexus.util.cli.Commandline;
+import org.codehaus.plexus.util.cli.Commandline.Argument;
+import org.codehaus.plexus.util.cli.StreamConsumer;
+
+/**
+ * Goal which extracts the content html page and converts to PDF using Prince
+ * 
+ * @goal confluenceToPDF
+ * @phase process-sources
+ */
+public class ConfluenceToPDFMojo extends AbstractMojo {
+
+    private static final transient Log LOG = LogFactory.getLog(ConfluenceToPDFMojo.class);
+
+    /**
+     * The URL to the confluence page to convert.
+     * 
+     * @parameter expression="${page}"
+     *            default-value="http://cwiki.apache.org/confluence/display/CAMEL/Index"
+     * @required
+     */
+    private String page;
+
+    /**
+     * Location of the work directory.
+     * 
+     * @parameter expression="${project.build.directory}/html-to-pdf"
+     */
+    private String workDir;
+
+    /**
+     * The output file name for the pdf.
+     * 
+     * @parameter expression="${pdf}"
+     *            default-value="${project.build.directory}/html-to-pdf/${project.artifactId}-${project.version}.pdf"
+     */
+    private String pdf;
+
+    /**
+     * The css style sheets that should be linked.
+     * 
+     * @parameter
+     */
+    private String[] styleSheets;
+
+    /**
+     * Content that should be added in the head element of the html file.
+     * 
+     * @parameter
+     */
+    private String head;
+
+    public void execute() throws MojoExecutionException {
+        File outputDir = new File(workDir);
+        if (!outputDir.exists()) {
+            outputDir.mkdirs();
+        }
+
+        try {
+
+            // Download
+            String content = downloadContent();
+            // Store
+            storeHTMLFile(content);
+            // Run Prince
+            getLog().info("Converting to PDF with prince...");
+            Commandline cl = new Commandline("prince");
+            Argument arg = new Argument();
+            arg.setValue(getHTMLFileName());
+            cl.addArg(arg);
+            arg = new Argument();
+            arg.setValue(getPDFFileName());
+            cl.addArg(arg);
+
+            StreamConsumer out = new StreamConsumer() {
+                public void consumeLine(String line) {
+                    System.out.println("prince: " + line);
+                }
+            };
+
+            int rc = CommandLineUtils.executeCommandLine(cl, out, out);
+            if (rc == 0) {
+                getLog().info("Stored: " + getPDFFileName());
+            } else {
+                throw new MojoExecutionException("PDF Conversion failed rc=" + rc);
+            }
+
+        } catch (MojoExecutionException e) {
+            throw e;
+        } catch (Exception e) {
+            throw new MojoExecutionException("Download of '" + page + "' failed: " + e.getMessage(), e);
+        }
+    }
+
+    private String getPDFFileName() {
+        return pdf;
+    }
+
+    private void storeHTMLFile(String content) throws FileNotFoundException {
+        PrintWriter out = new PrintWriter(new BufferedOutputStream(new FileOutputStream(getHTMLFileName())));
+        out.println("<html>");
+        out.println("<head>");
+        out.println("   <base href=\"" + page + "\"/>");
+        if (head != null) {
+            out.println(head);
+        }
+        if (styleSheets != null) {
+            for (int i = 0; i < styleSheets.length; i++) {
+                out.println("   <link href=\"" + styleSheets[i] + "\" rel=\"stylesheet\" type=\"text/css\"/>");
+            }
+        }
+        out.println("</head>");
+        out.println("<body>" + content + "</body>");
+        out.close();
+        getLog().info("Stored: " + getHTMLFileName());
+    }
+
+    private String getHTMLFileName() {
+        return getPDFFileName() + ".html";
+    }
+
+    private String downloadContent() throws MalformedURLException, IOException, TransformerFactoryConfigurationError, TransformerConfigurationException, TransformerException,
+        UnsupportedEncodingException, MojoExecutionException {
+
+        getLog().info("Downloading: " + page);
+        URL url = new URL(page);
+        Document doc = new Tidy().parseDOM(new BufferedInputStream(url.openStream()), new ByteArrayOutputStream());
+
+        NodeList nodeList = doc.getElementsByTagName("div");
+        for (int i = 0; i < nodeList.getLength(); ++i) {
+            Node node = nodeList.item(i);
+            NamedNodeMap nm = node.getAttributes();
+            Node attr = nm.getNamedItem("class");
+            if (attr != null && attr.getNodeValue().equalsIgnoreCase("wiki-content")) {
+                // Write the wiki-content div to the content variable.
+                ByteArrayOutputStream contentData = new ByteArrayOutputStream(1024 * 100);
+                TransformerFactory tFactory = TransformerFactory.newInstance();
+                Transformer transformer = tFactory.newTransformer();
+                transformer.transform(new DOMSource(node), new StreamResult(contentData));
+                String content = new String(contentData.toByteArray(), "UTF-8");
+                content = content.substring(content.indexOf("<div"));
+                return content;
+            }
+        }
+        throw new MojoExecutionException("The '" + page + "' page did not have a <div class=\"wiki-content\"> element.");
+    }
+
+}

Propchange: activemq/camel/trunk/tooling/maven/maven-html-to-docbook/src/main/java/org/apache/camel/maven/ConfluenceToPDFMojo.java
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Propchange: activemq/camel/trunk/tooling/maven/maven-html-to-docbook/src/main/java/org/apache/camel/maven/ConfluenceToPDFMojo.java
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