Examples with RemoteResourcesBundleXpp3Reader org.apache.maven.plugin.resources.remote.io.xpp3.RemoteResourcesBundleXpp3Reader used on opensource projects

Example 1 with RemoteResourcesBundleXpp3Reader

use of org.apache.maven.plugin.resources.remote.io.xpp3.RemoteResourcesBundleXpp3Reader in project maven-plugins by apache.

the class ProcessRemoteResourcesMojo method processResourceBundles.

protected void processResourceBundles(RemoteResourcesClassLoader classLoader, VelocityContext context) throws MojoExecutionException {
    try {
        // CHECKSTYLE_OFF: LineLength
        for (Enumeration<URL> e = classLoader.getResources(BundleRemoteResourcesMojo.RESOURCES_MANIFEST); e.hasMoreElements(); ) {
            URL url = e.nextElement();
            InputStream in = null;
            OutputStream out = null;
            Reader reader = null;
            Writer writer = null;
            try {
                reader = new InputStreamReader(url.openStream());
                RemoteResourcesBundleXpp3Reader bundleReader = new RemoteResourcesBundleXpp3Reader();
                RemoteResourcesBundle bundle = bundleReader.read(reader);
                reader.close();
                reader = null;
                for (String bundleResource : bundle.getRemoteResources()) {
                    String projectResource = bundleResource;
                    boolean doVelocity = false;
                    if (projectResource.endsWith(TEMPLATE_SUFFIX)) {
                        projectResource = projectResource.substring(0, projectResource.length() - 3);
                        doVelocity = true;
                    }
                    // Don't overwrite resource that are already being provided.
                    File f = new File(outputDirectory, projectResource);
                    FileUtils.mkdir(f.getParentFile().getAbsolutePath());
                    if (!copyResourceIfExists(f, projectResource, context)) {
                        if (doVelocity) {
                            DeferredFileOutputStream os = new DeferredFileOutputStream(velocityFilterInMemoryThreshold, f);
                            writer = bundle.getSourceEncoding() == null ? new OutputStreamWriter(os) : new OutputStreamWriter(os, bundle.getSourceEncoding());
                            if (bundle.getSourceEncoding() == null) {
                                // TODO: Is this correct? Shouldn't we behave like the rest of maven and fail
                                // down to JVM default instead ISO-8859-1 ?
                                velocity.mergeTemplate(bundleResource, "ISO-8859-1", context, writer);
                            } else {
                                velocity.mergeTemplate(bundleResource, bundle.getSourceEncoding(), context, writer);
                            }
                            writer.close();
                            writer = null;
                            fileWriteIfDiffers(os);
                        } else {
                            URL resUrl = classLoader.getResource(bundleResource);
                            if (resUrl != null) {
                                FileUtils.copyURLToFile(resUrl, f);
                            }
                        }
                        File appendedResourceFile = new File(appendedResourcesDirectory, projectResource);
                        File appendedVmResourceFile = new File(appendedResourcesDirectory, projectResource + ".vm");
                        if (appendedResourceFile.exists()) {
                            in = new FileInputStream(appendedResourceFile);
                            out = new FileOutputStream(f, true);
                            IOUtil.copy(in, out);
                            out.close();
                            out = null;
                            in.close();
                            in = null;
                        } else if (appendedVmResourceFile.exists()) {
                            reader = new FileReader(appendedVmResourceFile);
                            if (bundle.getSourceEncoding() == null) {
                                writer = new PrintWriter(new FileWriter(f, true));
                            } else {
                                writer = new PrintWriter(new OutputStreamWriter(new FileOutputStream(f, true), bundle.getSourceEncoding()));
                            }
                            Velocity.init();
                            Velocity.evaluate(context, writer, "remote-resources", reader);
                            writer.close();
                            writer = null;
                            reader.close();
                            reader = null;
                        }
                    }
                }
            } finally {
                IOUtil.close(out);
                IOUtil.close(in);
                IOUtil.close(writer);
                IOUtil.close(reader);
            }
        // CHECKSTYLE_ON: LineLength
        }
    } catch (IOException e) {
        throw new MojoExecutionException("Error finding remote resources manifests", e);
    } catch (XmlPullParserException e) {
        throw new MojoExecutionException("Error parsing remote resource bundle descriptor.", e);
    } catch (Exception e) {
        throw new MojoExecutionException("Error rendering velocity resource.", e);
    }
}