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Subject: svn commit: r534869 - in
 /velocity/anakia/trunk/src/java/org/apache/anakia:
 Anakia.java AnakiaTask.java
Date: Thu, 03 May 2007 14:05:19 -0000
To: commits@velocity.apache.org
From: henning@apache.org
Message-Id: <20070503140519.DD6C91A983E@eris.apache.org>

Author: henning
Date: Thu May  3 07:05:18 2007
New Revision: 534869

URL: http://svn.apache.org/viewvc?view=rev&rev=534869
Log:
Factor out the actual Anakia engine, making it embeddable in programs.


Added:
    velocity/anakia/trunk/src/java/org/apache/anakia/Anakia.java   (with props)
Modified:
    velocity/anakia/trunk/src/java/org/apache/anakia/AnakiaTask.java

Added: velocity/anakia/trunk/src/java/org/apache/anakia/Anakia.java
URL: http://svn.apache.org/viewvc/velocity/anakia/trunk/src/java/org/apache/anakia/Anakia.java?view=auto&rev=534869
==============================================================================
--- velocity/anakia/trunk/src/java/org/apache/anakia/Anakia.java (added)
+++ velocity/anakia/trunk/src/java/org/apache/anakia/Anakia.java Thu May  3 07:05:18 2007
@@ -0,0 +1,569 @@
+package org.apache.anakia;
+
+/*
+ * 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.
+ */
+
+import java.io.BufferedWriter;
+import java.io.File;
+import java.io.FileOutputStream;
+import java.io.IOException;
+import java.io.OutputStreamWriter;
+import java.io.Writer;
+import java.util.Collections;
+import java.util.Iterator;
+import java.util.List;
+import java.util.StringTokenizer;
+
+import org.apache.commons.collections.ExtendedProperties;
+import org.apache.commons.lang.StringUtils;
+import org.apache.velocity.Template;
+import org.apache.velocity.VelocityContext;
+import org.apache.velocity.app.VelocityEngine;
+import org.apache.velocity.runtime.RuntimeConstants;
+import org.jdom.Document;
+import org.jdom.JDOMException;
+import org.jdom.input.SAXBuilder;
+import org.jdom.output.Format;
+import org.xml.sax.SAXParseException;
+
+/**
+ * This is the Anakia processor whicih allows you to do XML
+ * transformations using Velocity style sheets.
+ *
+ * @author <a href="mailto:dev@velocity.apache.org">The Velocity developers community</a>
+ * @version $Id$
+ */
+public class Anakia
+{
+    private File baseDir = null;
+
+    private File destDir = null;
+
+    private String styleTemplate = null;
+
+    private File propertiesFile = null;
+
+    private File projectFile = null;
+
+    private File templatePath = null;
+
+    private String extension = null;
+
+    private List files = null;
+
+    private boolean checkLastModified = false;
+
+    private AnakiaLog log = null;
+
+    /** the Velocity subcontexts */
+    private List contexts = Collections.EMPTY_LIST;
+
+    private long styleSheetLastModified = 0;
+
+    private long projectFileLastModified = 0;
+
+    /** the VelocityEngine instance to use */
+    private final VelocityEngine ve;
+
+    /** <code>{@link SAXBuilder}</code> instance to use */
+    private final SAXBuilder builder;
+
+    public Anakia()
+    {
+        ve = new VelocityEngine();
+        builder = new SAXBuilder();
+        builder.setFactory(new AnakiaJDOMFactory());
+    }
+
+    protected File getBaseDir()
+    {
+        return baseDir;
+    }
+
+    public void setBaseDir(final File baseDir)
+    {
+        this.baseDir = baseDir;
+    }
+
+    protected File getDestDir()
+    {
+        return destDir;
+    }
+
+
+
+    public void setDestDir(final File destDir)
+    {
+        this.destDir = destDir;
+    }
+
+
+
+    protected List getFiles()
+    {
+        return files;
+    }
+
+
+
+    public void setFiles(final List files)
+    {
+        this.files = files;
+    }
+
+    protected File getProjectFile()
+    {
+        return projectFile;
+    }
+
+    public void setProjectFile(final File projectFile)
+    {
+        this.projectFile = projectFile;
+    }
+
+    protected File getPropertiesFile()
+    {
+        return propertiesFile;
+    }
+
+    public void setPropertiesFile(final File propertiesFile)
+    {
+        this.propertiesFile = propertiesFile;
+    }
+
+    protected String getStyleTemplate()
+    {
+        return styleTemplate;
+    }
+
+    public void setStyleTemplate(final String styleTemplate)
+    {
+        this.styleTemplate = styleTemplate;
+    }
+
+    protected File getTemplatePath()
+    {
+        return templatePath;
+    }
+
+    public void setTemplatePath(final File templatePath)
+    {
+        this.templatePath = templatePath;
+    }
+
+    protected boolean isCheckLastModified()
+    {
+        return checkLastModified;
+    }
+
+    public void setCheckLastModified(final boolean checkLastChanged)
+    {
+        this.checkLastModified = checkLastChanged;
+    }
+
+    protected String getExtension()
+    {
+        return extension;
+    }
+
+    public void setExtension(final String extension)
+    {
+        this.extension = extension;
+    }
+
+    protected AnakiaLog getLog()
+    {
+        return log;
+    }
+
+    public void setLog(final AnakiaLog log)
+    {
+        this.log = log;
+    }
+
+    protected List getContexts()
+    {
+        return contexts;
+    }
+
+    public void setContexts(final List contexts)
+    {
+        this.contexts = contexts;
+    }
+
+    protected SAXBuilder getBuilder()
+    {
+        return builder;
+    }
+
+    public void execute()
+        throws Exception
+    {
+        if (getPropertiesFile() != null && getPropertiesFile().exists())
+        {
+            String file = getPropertiesFile().getAbsolutePath();
+            ExtendedProperties config = new ExtendedProperties(file);
+            ve.setExtendedProperties(config);
+        }
+
+        // override the templatePath if it exists
+        if (getTemplatePath() != null)
+        {
+            ve.setProperty(RuntimeConstants.FILE_RESOURCE_LOADER_PATH, getTemplatePath().getCanonicalPath());
+        }
+
+        ve.init();
+
+        // get the last modification of the VSL stylesheet
+        styleSheetLastModified = ve.getTemplate(getStyleTemplate()).getLastModified();
+        projectFileLastModified = getProjectFile().lastModified();
+
+        // Build the Project file document
+        Document projectDocument = builder.build(getProjectFile());
+
+        for (Iterator it = getFiles().iterator(); it.hasNext(); )
+        {
+            String xmlFile = (String) it.next();
+            process(xmlFile, projectDocument);
+        }
+    }
+
+    /**
+     * Process an XML file using Velocity
+     */
+    private void process(final String xmlFile, final Document projectDocument)
+        throws AnakiaException
+    {
+        File   outFile = null;
+        File   inFile = null;
+        Writer writer = null;
+
+        try
+        {
+            // the current input file relative to the baseDir
+            inFile = new File(getBaseDir(),xmlFile);
+            // the output file relative to basedir
+            outFile = new File(getDestDir(),
+                            xmlFile.substring(0,
+                            xmlFile.lastIndexOf('.')) + getExtension());
+
+            // only process files that have changed
+            if (isCheckLastModified() == false ||
+                    (inFile.lastModified() > outFile.lastModified() ||
+                    styleSheetLastModified > outFile.lastModified() ||
+                    projectFileLastModified > outFile.lastModified() ||
+                    userContextsModifed(outFile.lastModified())))
+            {
+                ensureDirectoryFor(outFile);
+
+                //-- command line status
+                getLog().info("Input:  " + xmlFile);
+
+                // Build the JDOM Document
+                Document root = builder.build(inFile);
+
+                // Shove things into the Context
+                VelocityContext context = new VelocityContext();
+
+                /*
+                 *  get the property TEMPLATE_ENCODING
+                 *  we know it's a string...
+                 */
+                String encoding = (String) ve.getProperty(RuntimeConstants.OUTPUT_ENCODING);
+                if (encoding == null || encoding.length() == 0
+                    || encoding.equals("8859-1") || encoding.equals("8859_1"))
+                {
+                    encoding = "ISO-8859-1";
+                }
+
+                Format f = Format.getRawFormat();
+                f.setEncoding(encoding);
+
+                OutputWrapper ow = new OutputWrapper(f);
+
+                context.put ("root", root.getRootElement());
+                context.put ("xmlout", ow);
+                context.put ("relativePath", getRelativePath(xmlFile));
+                context.put ("treeWalk", new TreeWalker());
+                context.put ("xpath", new XPathTool());
+                context.put ("escape", new Escape());
+                context.put ("date", new java.util.Date());
+
+                /**
+                 * only put this into the context if it exists.
+                 */
+                if (projectDocument != null)
+                {
+                    context.put ("project", projectDocument.getRootElement());
+                }
+
+                /**
+                 *  Add the user subcontexts to the to context
+                 */
+                for (Iterator iter = contexts.iterator(); iter.hasNext(); )
+                {
+                    Context subContext = (Anakia.Context) iter.next();
+
+                    if (subContext == null)
+                    {
+                        throw new AnakiaException("Found an undefined SubContext!");
+                    }
+
+                    if (subContext.getContextDocument() == null)
+                    {
+                        throw new AnakiaException("Could not build a subContext for " + subContext.getName());
+                    }
+
+                    context.put(subContext.getName(), subContext
+                            .getContextDocument().getRootElement());
+                }
+
+                /**
+                 * Process the VSL template with the context and write out
+                 * the result as the outFile.
+                 */
+                writer = new BufferedWriter(new OutputStreamWriter(
+                                            new FileOutputStream(outFile),
+                                                encoding));
+
+                /**
+                 * get the template to process
+                 */
+                Template template = ve.getTemplate(getStyleTemplate());
+                template.merge(context, writer);
+
+                getLog().info("Output: " + outFile);
+            }
+        }
+        catch (JDOMException e)
+        {
+            outFile.delete();
+
+            if (e.getCause() != null)
+            {
+                Throwable rootCause = e.getCause();
+                if (rootCause instanceof SAXParseException)
+                {
+                    System.out.println("");
+                    System.out.println("Error: " + rootCause.getMessage());
+                    System.out.println(
+                        "       Line: " +
+                            ((SAXParseException)rootCause).getLineNumber() +
+                        " Column: " +
+                            ((SAXParseException)rootCause).getColumnNumber());
+                    System.out.println("");
+                }
+                else
+                {
+                    rootCause.printStackTrace();
+                }
+            }
+            else
+            {
+                e.printStackTrace();
+            }
+        }
+        catch (Throwable e)
+        {
+            if (outFile != null)
+            {
+                outFile.delete();
+            }
+            e.printStackTrace();
+        }
+        finally
+        {
+            if (writer != null)
+            {
+                try
+                {
+                    writer.flush();
+                }
+                catch (IOException e)
+                {
+                    // Do nothing
+                }
+
+                try
+                {
+                    writer.close();
+                }
+                catch (IOException e)
+                {
+                    // Do nothing
+                }
+            }
+        }
+    }
+
+    /**
+     * Hacky method to figure out the relative path
+     * that we are currently in. This is good for getting
+     * the relative path for images and anchor's.
+     */
+    private String getRelativePath(String file)
+    {
+        if (file == null || file.length()==0)
+            return "";
+        StringTokenizer st = new StringTokenizer(file, "/\\");
+        // needs to be -1 cause ST returns 1 even if there are no matches. huh?
+        int slashCount = st.countTokens() - 1;
+        StringBuffer sb = new StringBuffer();
+        for (int i=0;i<slashCount ;i++)
+        {
+            sb.append ("../");
+        }
+
+        if (sb.toString().length() > 0)
+        {
+            return StringUtils.chomp(sb.toString(), "/");
+        }
+
+        return ".";
+    }
+
+    /**
+     * create directories as needed
+     */
+    private void ensureDirectoryFor(File targetFile) throws AnakiaException
+    {
+        File directory = new File(targetFile.getParent());
+        if (!directory.exists())
+        {
+            if (!directory.mkdirs())
+            {
+                throw new AnakiaException("Unable to create directory: "
+                                         + directory.getAbsolutePath());
+            }
+        }
+    }
+
+
+    /**
+     * Check to see if user context is modified.
+     */
+    private boolean userContextsModifed(long lastModified)
+    {
+        for (Iterator iter = contexts.iterator(); iter.hasNext();)
+        {
+            Anakia.Context ctx = (Anakia.Context) iter.next();
+            if(ctx.getLastModified() > lastModified)
+            {
+                return true;
+            }
+        }
+        return false;
+    }
+
+    /**
+     * A context implementation that loads all values from an XML file.
+     */
+    public class Context
+    {
+        private String name;
+        private Document contextDoc = null;
+        private String file;
+
+        /**
+         * Public constructor.
+         */
+        public Context()
+        {
+        }
+
+        /**
+         * Get the name of the context.
+         * @return The name of the context.
+         */
+        public String getName()
+        {
+            return name;
+        }
+
+        /**
+         * Set the name of the context.
+         * @param name
+         *
+         * @throws AnakiaException if a reserved word is used as a
+         * name, specifically any of "relativePath", "treeWalk", "xpath",
+         * "escape", "date", or "project"
+         */
+        public void setName(String name)
+        {
+            if (name.equals("relativePath") ||
+                    name.equals("treeWalk") ||
+                    name.equals("xpath") ||
+                    name.equals("escape") ||
+                    name.equals("date") ||
+                    name.equals("project"))
+            {
+
+                    throw new AnakiaException("Context name '" + name + "' is reserved by Anakia");
+            }
+
+            this.name = name;
+        }
+
+        /**
+         * Build the context based on a file path.
+         * @param file
+         */
+        public void setFile(String file)
+        {
+            this.file = file;
+        }
+
+        /**
+         * Retrieve the time the source file was last modified.
+         * @return The time the source file was last modified.
+         */
+        public long getLastModified()
+        {
+            return new File(getBaseDir(), file).lastModified();
+        }
+
+        /**
+         * Retrieve the context document object.
+         * @return The context document object.
+         */
+        public Document getContextDocument()
+        {
+            if (contextDoc == null)
+            {
+                File contextFile = new File(getBaseDir(), file);
+
+                try
+                {
+                    contextDoc = getBuilder().build(contextFile);
+                }
+                catch (RuntimeException re)
+                {
+                    throw re;
+                }
+                catch (Exception e)
+                {
+                    throw new AnakiaException(e);
+                }
+            }
+            return contextDoc;
+        }
+    }
+
+}
+

Propchange: velocity/anakia/trunk/src/java/org/apache/anakia/Anakia.java
------------------------------------------------------------------------------
    svn:eol-style = native

Propchange: velocity/anakia/trunk/src/java/org/apache/anakia/Anakia.java
------------------------------------------------------------------------------
    svn:keywords = Id Author Date Revision

Modified: velocity/anakia/trunk/src/java/org/apache/anakia/AnakiaTask.java
URL: http://svn.apache.org/viewvc/velocity/anakia/trunk/src/java/org/apache/anakia/AnakiaTask.java?view=diff&rev=534869&r1=534868&r2=534869
==============================================================================
--- velocity/anakia/trunk/src/java/org/apache/anakia/AnakiaTask.java (original)
+++ velocity/anakia/trunk/src/java/org/apache/anakia/AnakiaTask.java Thu May  3 07:05:18 2007
@@ -16,36 +16,19 @@
  * "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.    
+ * under the License.
  */
 
-import java.io.BufferedWriter;
 import java.io.File;
-import java.io.FileOutputStream;
-import java.io.IOException;
-import java.io.OutputStreamWriter;
-import java.io.Writer;
-import java.util.Iterator;
+import java.util.Arrays;
 import java.util.LinkedList;
 import java.util.List;
-import java.util.StringTokenizer;
 
-import org.apache.commons.collections.ExtendedProperties;
+import org.apache.commons.lang.StringUtils;
 import org.apache.tools.ant.BuildException;
 import org.apache.tools.ant.DirectoryScanner;
 import org.apache.tools.ant.Project;
 import org.apache.tools.ant.taskdefs.MatchingTask;
-import org.apache.velocity.Template;
-import org.apache.velocity.VelocityContext;
-import org.apache.velocity.app.VelocityEngine;
-import org.apache.velocity.runtime.RuntimeConstants;
-import org.apache.velocity.util.StringUtils;
-
-import org.jdom.Document;
-import org.jdom.JDOMException;
-import org.jdom.input.SAXBuilder;
-import org.jdom.output.Format;
-import org.xml.sax.SAXParseException;
 
 /**
  * The purpose of this Ant Task is to allow you to use
@@ -63,10 +46,8 @@
  * @version $Id$
  */
 public class AnakiaTask extends MatchingTask
+        implements AnakiaLog
 {
-    /** <code>{@link SAXBuilder}</code> instance to use */
-    SAXBuilder builder;
-
     /** the destination directory */
     private File destDir = null;
 
@@ -76,17 +57,8 @@
     /** the style= attribute */
     private String style = null;
 
-    /** last modified of the style sheet */
-    private long styleSheetLastModified = 0;
-
     /** the projectFile= attribute */
-    private String projectAttribute = null;
-
-    /** the File for the project.xml file */
-    private File projectFile = null;
-
-    /** last modified of the project file if it exists */
-    private long projectFileLastModified = 0;
+    private String projectFile = null;
 
     /** check the last modified date on files. defaults to true */
     private boolean lastModifiedCheck = true;
@@ -94,34 +66,32 @@
     /** the default output extension is .html */
     private String extension = ".html";
 
+    /** the Velocity subcontexts */
+    private List contexts = new LinkedList();
+
     /** the template path */
-    private String templatePath = null;
+    private File templatePath = null;
 
     /** the file to get the velocity properties file */
-    private File velocityPropertiesFile = null;
+    private File propertiesFile = null;
 
-    /** the VelocityEngine instance to use */
-    private VelocityEngine ve = new VelocityEngine();
-
-    /** the Velocity subcontexts */
-    private List contexts = new LinkedList();
+    private final Anakia anakia;
 
     /**
      * Constructor creates the SAXBuilder.
      */
     public AnakiaTask()
     {
-        builder = new SAXBuilder();
-        builder.setFactory(new AnakiaJDOMFactory());
+        this.anakia = new Anakia();
     }
 
     /**
      * Set the base directory.
      * @param dir
      */
-    public void setBasedir(File dir)
+    public void setBasedir(final File baseDir)
     {
-        baseDir = dir;
+        this.baseDir = baseDir;
     }
 
     /**
@@ -129,16 +99,16 @@
      * files should be copied to
      * @param dir the name of the destination directory
      */
-    public void setDestdir(File dir)
+    public void setDestdir(final File destDir)
     {
-        destDir = dir;
+        this.destDir = destDir;
     }
 
     /**
      * Allow people to set the default output file extension
      * @param extension
      */
-    public void setExtension(String extension)
+    public void setExtension(final String extension)
     {
         this.extension = extension;
     }
@@ -147,18 +117,18 @@
      * Allow people to set the path to the .vsl file
      * @param style
      */
-    public void setStyle(String style)
+    public void setStyle(final String style)
     {
         this.style = style;
     }
 
     /**
      * Allow people to set the path to the project.xml file
-     * @param projectAttribute
+     * @param projectFile
      */
-    public void setProjectFile(String projectAttribute)
+    public void setProjectFile(final String projectFile)
     {
-        this.projectAttribute = projectAttribute;
+        this.projectFile = projectFile;
     }
 
     /**
@@ -172,17 +142,10 @@
      * @param templatePath
      */
 
-    public void setTemplatePath(File templatePath)
-     {
-         try
-         {
-             this.templatePath = templatePath.getCanonicalPath();
-         }
-         catch (java.io.IOException ioe)
-         {
-             throw new BuildException(ioe);
-         }
-     }
+    public void setTemplatePath(final File templatePath)
+    {
+        this.templatePath = templatePath;
+    }
 
     /**
      * Allow people to set the path to the velocity.properties file
@@ -190,18 +153,18 @@
      * For example, if build.sh was executed in the ./build directory,
      * then the path would be relative to this directory.
      * This is optional based on the setting of setTemplatePath().
-     * @param velocityPropertiesFile
+     * @param propertiesFile
      */
-    public void setVelocityPropertiesFile(File velocityPropertiesFile)
+    public void setVelocityPropertiesFile(final File propertiesFile)
     {
-        this.velocityPropertiesFile = velocityPropertiesFile;
+        this.propertiesFile = propertiesFile;
     }
 
     /**
      * Turn on/off last modified checking. by default, it is on.
      * @param lastmod
      */
-    public void setLastModifiedCheck(String lastmod)
+    public void setLastModifiedCheck(final String lastmod)
     {
         if (lastmod.equalsIgnoreCase("false") || lastmod.equalsIgnoreCase("no")
                 || lastmod.equalsIgnoreCase("off"))
@@ -210,436 +173,106 @@
         }
     }
 
+    public void info(final String message)
+    {
+        log(message, Project.MSG_INFO);
+    }
+
+    public void error(final String message)
+    {
+        log(message, Project.MSG_ERR);
+    }
+
     /**
      * Main body of the application
      * @throws BuildException
      */
-    public void execute () throws BuildException
+    public void execute() throws BuildException
     {
-        DirectoryScanner scanner;
-        String[]         list;
-
-        if (baseDir == null)
+        if (baseDir == null || !baseDir.exists())
         {
-            baseDir = project.resolveFile(".");
+            baseDir = getProject().resolveFile(".");
         }
-        if (destDir == null )
+
+        anakia.setBaseDir(baseDir);
+
+        if (destDir == null)
         {
-            String msg = "destdir attribute must be set!";
-            throw new BuildException(msg);
+            throw new BuildException("destdir attribute must be set!");
         }
-        if (style == null)
+
+        anakia.setDestDir(destDir);
+
+        if (StringUtils.isEmpty(style))
         {
             throw new BuildException("style attribute must be set!");
         }
 
-        if (velocityPropertiesFile == null)
+        anakia.setStyleTemplate(style);
+
+        if (propertiesFile == null)
         {
-            velocityPropertiesFile = new File("velocity.properties");
+            propertiesFile = new File(baseDir, "velocity.properties");
         }
 
         /*
          * If the props file doesn't exist AND a templatePath hasn't
          * been defined, then throw the exception.
          */
-        if ( !velocityPropertiesFile.exists() && templatePath == null )
+        if (!propertiesFile.exists() && (templatePath == null || !templatePath.exists()))
         {
-            throw new BuildException ("No template path and could not " +
-                "locate velocity.properties file: " +
-                velocityPropertiesFile.getAbsolutePath());
+            throw new BuildException ("No template path set and properties file '" +
+                    propertiesFile.getAbsolutePath() + "' does not exist!");
         }
 
-        log("Transforming into: " + destDir.getAbsolutePath(), Project.MSG_INFO);
+        anakia.setTemplatePath(templatePath);
+        anakia.setPropertiesFile(propertiesFile);
 
-        // projectFile relative to baseDir
-        if (projectAttribute != null && projectAttribute.length() > 0)
-        {
-            projectFile = new File(baseDir, projectAttribute);
-            if (projectFile.exists())
-            {
-                projectFileLastModified = projectFile.lastModified();
-            }
-            else
-            {
-                log ("Project file is defined, but could not be located: " +
-                    projectFile.getAbsolutePath(), Project.MSG_INFO );
-                projectFile = null;
-            }
-        }
+        log("Transforming into: " + destDir.getAbsolutePath(), Project.MSG_INFO);
 
-        Document projectDocument = null;
-        try
+        if (StringUtils.isNotEmpty(projectFile))
         {
-            if ( velocityPropertiesFile.exists() )
+            File file = new File(baseDir, projectFile);
+            if (!file.exists())
             {
-                String file = velocityPropertiesFile.getAbsolutePath();
-                ExtendedProperties config = new ExtendedProperties(file);
-                ve.setExtendedProperties(config);
+                throw new BuildException("Project file '" + file.getAbsolutePath() + "' does not exist!");
             }
 
-            // override the templatePath if it exists
-            if (templatePath != null && templatePath.length() > 0)
-            {
-                ve.setProperty( RuntimeConstants.FILE_RESOURCE_LOADER_PATH,
-                    templatePath);
-            }
-
-            ve.init();
-
-            // get the last modification of the VSL stylesheet
-            styleSheetLastModified = ve.getTemplate( style ).getLastModified();
-
-            // Build the Project file document
-            if (projectFile != null)
-            {
-                projectDocument = builder.build(projectFile);
-            }
-        }
-        catch (Exception e)
-        {
-            log("Error: " + e.toString(), Project.MSG_INFO);
-            throw new BuildException(e);
+            anakia.setProjectFile(file);
         }
 
-        // find the files/directories
-        scanner = getDirectoryScanner(baseDir);
-
-        // get a list of files to work on
-        list = scanner.getIncludedFiles();
-        for (int i = 0;i < list.length; ++i)
-        {
-            process(list[i], projectDocument );
-        }
-
-    }
-
-    /**
-     * Process an XML file using Velocity
-     */
-    private void process(String xmlFile, Document projectDocument)
-        throws BuildException
-    {
-        File   outFile=null;
-        File   inFile=null;
-        Writer writer = null;
-        try
-        {
-            // the current input file relative to the baseDir
-            inFile = new File(baseDir,xmlFile);
-            // the output file relative to basedir
-            outFile = new File(destDir,
-                            xmlFile.substring(0,
-                            xmlFile.lastIndexOf('.')) + extension);
-
-            // only process files that have changed
-            if (lastModifiedCheck == false ||
-                    (inFile.lastModified() > outFile.lastModified() ||
-                    styleSheetLastModified > outFile.lastModified() ||
-                    projectFileLastModified > outFile.lastModified() ||
-                    userContextsModifed(outFile.lastModified())))
-            {
-                ensureDirectoryFor( outFile );
-
-                //-- command line status
-                log("Input:  " + xmlFile, Project.MSG_INFO );
 
-                // Build the JDOM Document
-                Document root = builder.build(inFile);
+        DirectoryScanner scanner = getDirectoryScanner(baseDir);
+        anakia.setFiles(Arrays.asList(scanner.getIncludedFiles()));
 
-                // Shove things into the Context
-                VelocityContext context = new VelocityContext();
-
-                /*
-                 *  get the property TEMPLATE_ENCODING
-                 *  we know it's a string...
-                 */
-                String encoding = (String) ve.getProperty( RuntimeConstants.OUTPUT_ENCODING );
-                if (encoding == null || encoding.length() == 0
-                    || encoding.equals("8859-1") || encoding.equals("8859_1"))
-                {
-                    encoding = "ISO-8859-1";
-                }
-
-                Format f = Format.getRawFormat();
-                f.setEncoding(encoding);
-
-                OutputWrapper ow = new OutputWrapper(f);
-
-                context.put ("root", root.getRootElement());
-                context.put ("xmlout", ow );
-                context.put ("relativePath", getRelativePath(xmlFile));
-                context.put ("treeWalk", new TreeWalker());
-                context.put ("xpath", new XPathTool() );
-                context.put ("escape", new Escape() );
-                context.put ("date", new java.util.Date() );
-
-                /**
-                 * only put this into the context if it exists.
-                 */
-                if (projectDocument != null)
-                {
-                    context.put ("project", projectDocument.getRootElement());
-                }
-
-                /**
-                 *  Add the user subcontexts to the to context
-                 */
-                for (Iterator iter = contexts.iterator(); iter.hasNext();)
-                {
-                    Context subContext = (Context) iter.next();
-                    if (subContext == null)
-                    {
-                        throw new BuildException("Found an undefined SubContext!");
-                    }
-
-                    if (subContext.getContextDocument() == null)
-                    {
-                        throw new BuildException("Could not build a subContext for " + subContext.getName());
-                    }
-
-                    context.put(subContext.getName(), subContext
-                            .getContextDocument().getRootElement());
-                }
-
-                /**
-                 * Process the VSL template with the context and write out
-                 * the result as the outFile.
-                 */
-                writer = new BufferedWriter(new OutputStreamWriter(
-                                            new FileOutputStream(outFile),
-                                                encoding));
-
-                /**
-                 * get the template to process
-                 */
-                Template template = ve.getTemplate(style);
-                template.merge(context, writer);
+        anakia.setCheckLastModified(lastModifiedCheck);
+        anakia.setExtension(extension);
 
-                log("Output: " + outFile, Project.MSG_INFO );
-            }
-        }
-        catch (JDOMException e)
-        {
-            outFile.delete();
+        anakia.setLog(this);
+        anakia.setContexts(contexts);
 
-            if (e.getCause() != null)
-            {
-                Throwable rootCause = e.getCause();
-                if (rootCause instanceof SAXParseException)
-                {
-                    System.out.println("");
-                    System.out.println("Error: " + rootCause.getMessage());
-                    System.out.println(
-                        "       Line: " +
-                            ((SAXParseException)rootCause).getLineNumber() +
-                        " Column: " +
-                            ((SAXParseException)rootCause).getColumnNumber());
-                    System.out.println("");
-                }
-                else
-                {
-                    rootCause.printStackTrace();
-                }
-            }
-            else
-            {
-                e.printStackTrace();
-            }
-        }
-        catch (Throwable e)
-        {
-            if (outFile != null)
-            {
-                outFile.delete();
-            }
-            e.printStackTrace();
-        }
-        finally
-        {
-            if (writer != null)
-            {
-                try
-                {
-                    writer.flush();
-                }
-                catch (IOException e)
-                {
-                    // Do nothing
-                }
-
-                try
-                {
-                    writer.close();
-                }
-                catch (IOException e)
-                {
-                    // Do nothing
-                }
-            }
-        }
-    }
-
-    /**
-     * Hacky method to figure out the relative path
-     * that we are currently in. This is good for getting
-     * the relative path for images and anchor's.
-     */
-    private String getRelativePath(String file)
-    {
-        if (file == null || file.length()==0)
-            return "";
-        StringTokenizer st = new StringTokenizer(file, "/\\");
-        // needs to be -1 cause ST returns 1 even if there are no matches. huh?
-        int slashCount = st.countTokens() - 1;
-        StringBuffer sb = new StringBuffer();
-        for (int i=0;i<slashCount ;i++ )
-        {
-            sb.append ("../");
-        }
-
-        if (sb.toString().length() > 0)
+        try
         {
-            return StringUtils.chop(sb.toString(), 1);
+            anakia.execute();
         }
-
-        return ".";
-    }
-
-    /**
-     * create directories as needed
-     */
-    private void ensureDirectoryFor( File targetFile ) throws BuildException
-    {
-        File directory = new File( targetFile.getParent() );
-        if (!directory.exists())
+        catch (RuntimeException re)
         {
-            if (!directory.mkdirs())
-            {
-                throw new BuildException("Unable to create directory: "
-                                         + directory.getAbsolutePath() );
-            }
+            throw re;
         }
-    }
-
-
-    /**
-     * Check to see if user context is modified.
-     */
-    private boolean userContextsModifed(long lastModified)
-    {
-        for (Iterator iter = contexts.iterator(); iter.hasNext();)
+        catch (Exception e)
         {
-            AnakiaTask.Context ctx = (AnakiaTask.Context) iter.next();
-            if(ctx.getLastModified() > lastModified)
-            {
-                return true;
-            }
+            throw new BuildException(e);
         }
-        return false;
     }
 
     /**
      * Create a new context.
      * @return A new context.
      */
-    public Context createContext()
+    public Anakia.Context createContext()
     {
-        Context context = new Context();
+        Anakia.Context context = anakia.new Context(); // Always wanted to use that... :-)
         contexts.add(context);
         return context;
     }
-
-
-    /**
-     * A context implementation that loads all values from an XML file.
-     */
-    public class Context
-    {
-
-        private String name;
-        private Document contextDoc = null;
-        private String file;
-
-        /**
-         * Public constructor.
-         */
-        public Context()
-        {
-        }
-
-        /**
-         * Get the name of the context.
-         * @return The name of the context.
-         */
-        public String getName()
-        {
-            return name;
-        }
-
-        /**
-         * Set the name of the context.
-         * @param name
-         *
-         * @throws IllegalArgumentException if a reserved word is used as a
-         * name, specifically any of "relativePath", "treeWalk", "xpath",
-         * "escape", "date", or "project"
-         */
-        public void setName(String name)
-        {
-            if (name.equals("relativePath") ||
-                    name.equals("treeWalk") ||
-                    name.equals("xpath") ||
-                    name.equals("escape") ||
-                    name.equals("date") ||
-                    name.equals("project"))
-            {
-
-                    throw new IllegalArgumentException("Context name '" + name
-                            + "' is reserved by Anakia");
-            }
-
-            this.name = name;
-        }
-
-        /**
-         * Build the context based on a file path.
-         * @param file
-         */
-        public void setFile(String file)
-        {
-            this.file = file;
-        }
-
-        /**
-         * Retrieve the time the source file was last modified.
-         * @return The time the source file was last modified.
-         */
-        public long getLastModified()
-        {
-            return new File(baseDir, file).lastModified();
-        }
-
-        /**
-         * Retrieve the context document object.
-         * @return The context document object.
-         */
-        public Document getContextDocument()
-        {
-            if (contextDoc == null)
-            {
-                File contextFile = new File(baseDir, file);
-
-                try
-                {
-                    contextDoc = builder.build(contextFile);
-                }
-                catch (Exception e)
-                {
-                    throw new BuildException(e);
-                }
-            }
-            return contextDoc;
-        }
-    }
-
 }