jspcmojo.java

jetty SERVER連接資料庫用的軟體

        .getContextClassLoader();

        ArrayList urls = new ArrayList();
        setUpClassPath(urls);
        URLClassLoader ucl = new URLClassLoader((URL[]) urls.toArray(new URL[0]), currentClassLoader);
        StringBuffer classpathStr = new StringBuffer();

        for (int i = 0; i < urls.size(); i++)
        {
            if (getLog().isDebugEnabled())
                getLog().debug("webappclassloader contains: " + urls.get(i));
            classpathStr.append(((URL) urls.get(i)).getFile());
            if (getLog().isDebugEnabled())
                getLog().debug(
                        "added to classpath: " + ((URL) urls.get(i)).getFile());
            classpathStr.append(System.getProperty("path.separator"));
        }

        Thread.currentThread().setContextClassLoader(ucl);

        JspC jspc = new JspC();
        jspc.setWebXmlFragment(webXmlFragment);
        jspc.setUriroot(webAppSourceDirectory);
        jspc.setPackage(packageRoot);
        jspc.setOutputDir(generatedClasses);
        jspc.setValidateXml(validateXml);
        jspc.setClassPath(classpathStr.toString());
        jspc.setCompile(true);
        jspc.setSmapSuppressed(suppressSmap);
        jspc.setSmapDumped(!suppressSmap);
        jspc.setJavaEncoding(javaEncoding);

        // JspC#setExtensions() does not exist, so 
        // always set concrete list of files that will be processed.
        String jspFiles = getJspFiles(webAppSourceDirectory);
        System.err.println("Compiling "+jspFiles);
        System.err.println("Includes="+includes);
        System.err.println("Excludes="+excludes);
        jspc.setJspFiles(jspFiles);
        if (verbose)
        {
            getLog().info("Files selected to precompile: " + jspFiles);
        }
        

        try
        {
            jspc.setIgnoreJspFragmentErrors(ignoreJspFragmentErrors);
        }
        catch (NoSuchMethodError e)
        {
            getLog().debug("Tomcat Jasper does not support configuration option 'ignoreJspFragmentErrors': ignored");
        }

        try
        {
            if (schemaResourcePrefix != null)
                jspc.setSchemaResourcePrefix(schemaResourcePrefix);
        }
        catch (NoSuchMethodError e)
        {
            getLog().debug("Tomcat Jasper does not support configuration option 'schemaResourcePrefix': ignored");
        }
        if (verbose)
            jspc.setVerbose(99);
        else
            jspc.setVerbose(0);

        jspc.execute();

        Thread.currentThread().setContextClassLoader(currentClassLoader);
    }

    private String getJspFiles(String webAppSourceDirectory)
    throws Exception
    {
        List fileNames =  FileUtils.getFileNames(new File(webAppSourceDirectory),includes, excludes, false);
        return StringUtils.join(fileNames.toArray(new String[0]), ",");

    }

    /**
     * Until Jasper supports the option to generate the srcs in a different dir
     * than the classes, this is the best we can do.
     * 
     * @throws Exception
     */
    public void cleanupSrcs() throws Exception
    {
        // delete the .java files - depending on keepGenerated setting
        if (!keepSources)
        {
            String packageRootDirectory = packageRoot.replace('.',
                    File.separatorChar);

            File generatedClassesDir = new File(generatedClasses
                    + File.separatorChar + packageRootDirectory);

            File[] srcFiles = generatedClassesDir
            .listFiles(new FilenameFilter()
            {
                public boolean accept(File dir, String name)
                {
                    if (name == null) return false;
                    if (name.trim().equals("")) return false;
                    if (name.endsWith(".java")) return true;

                    return false;
                }
            });

            for (int i = 0; (srcFiles != null) && (i < srcFiles.length); i++)
            {
                srcFiles[i].delete();
            }
        }
    }

    /**
     * Take the web fragment and put it inside a copy of the web.xml file from
     * the webAppSourceDirectory.
     * 
     * You can specify the insertion point by specifying the string in the
     * insertionMarker configuration entry.
     * 
     * If you dont specify the insertionMarker, then the fragment will be
     * inserted at the end of the file just before the &lt;/webapp&gt;
     * 
     * @throws Exception
     */
    public void mergeWebXml() throws Exception
    {
        if (mergeFragment)
        {
            // open the src web.xml
            File webXml = new File(webAppSourceDirectory + "/WEB-INF/web.xml");
            if (!webXml.exists())
            {
                getLog()
                .info(
                        webAppSourceDirectory
                        + "/WEB-INF/web.xml does not exist, cannot merge with generated fragment");
                return;
            }

            File fragmentWebXml = new File(webXmlFragment);
            if (!fragmentWebXml.exists())
            {
                getLog().info("No fragment web.xml file generated");
            }
            File mergedWebXml = new File(fragmentWebXml.getParentFile(),
            "web.xml");
            BufferedReader webXmlReader = new BufferedReader(new FileReader(
                    webXml));
            PrintWriter mergedWebXmlWriter = new PrintWriter(new FileWriter(
                    mergedWebXml));

            // read up to the insertion marker or the </webapp> if there is no
            // marker
            boolean atInsertPoint = false;
            boolean atEOF = false;
            String marker = (insertionMarker == null
                    || insertionMarker.equals("") ? END_OF_WEBAPP : insertionMarker);
            while (!atInsertPoint && !atEOF)
            {
                String line = webXmlReader.readLine();
                if (line == null)
                    atEOF = true;
                else if (line.indexOf(marker) >= 0)
                {
                    atInsertPoint = true;
                }
                else
                {
                    mergedWebXmlWriter.println(line);
                }
            }

            // put in the generated fragment
            BufferedReader fragmentWebXmlReader = new BufferedReader(
                    new FileReader(fragmentWebXml));
            IO.copy(fragmentWebXmlReader, mergedWebXmlWriter);

            // if we inserted just before the </web-app>, put it back in
            if (marker.equals(END_OF_WEBAPP))
                mergedWebXmlWriter.println(END_OF_WEBAPP);

            // copy in the rest of the original web.xml file
            IO.copy(webXmlReader, mergedWebXmlWriter);

            webXmlReader.close();
            mergedWebXmlWriter.close();
            fragmentWebXmlReader.close();
        }
    }

    private void prepare() throws Exception
    {
        // For some reason JspC doesn't like it if the dir doesn't
        // already exist and refuses to create the web.xml fragment
        File generatedSourceDirectoryFile = new File(generatedClasses);
        if (!generatedSourceDirectoryFile.exists())
            generatedSourceDirectoryFile.mkdirs();
    }

    /**
     * Set up the execution classpath for Jasper.
     * 
     * Put everything in the classesDirectory and all of the dependencies on the
     * classpath.
     * 
     * @param urls a list to which to add the urls of the dependencies
     * @throws Exception
     */
    private void setUpClassPath(List urls) throws Exception
    {
        String classesDir = classesDirectory.getCanonicalPath();
        classesDir = classesDir
        + (classesDir.endsWith(File.pathSeparator) ? "" : File.separator);
        urls.add(new File(classesDir).toURL());

        if (getLog().isDebugEnabled())
            getLog().debug("Adding to classpath classes dir: " + classesDir);

        for (Iterator iter = project.getArtifacts().iterator(); iter.hasNext();)
        {
            Artifact artifact = (Artifact) iter.next();

            // Include runtime and compile time libraries
            if (!Artifact.SCOPE_TEST.equals(artifact.getScope()))
            {
                String filePath = artifact.getFile().getCanonicalPath();
                if (getLog().isDebugEnabled())
                    getLog().debug(
                            "Adding to classpath dependency file: " + filePath);

                urls.add(artifact.getFile().toURL());
            }
        }
    }
}