| /* |
| * 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.maven.plugins.war.packaging; |
| |
| import java.io.File; |
| import java.io.IOException; |
| |
| import org.apache.maven.plugin.MojoExecutionException; |
| import org.apache.maven.plugins.war.Overlay; |
| import org.apache.maven.plugins.war.util.PathSet; |
| import org.codehaus.plexus.util.FileUtils; |
| |
| /** |
| * Handles an overlay. |
| * |
| * @author Stephane Nicoll |
| */ |
| public class OverlayPackagingTask extends AbstractWarPackagingTask { |
| private final Overlay overlay; |
| |
| /** |
| * @param overlay {@link #overlay} |
| * @param currentProjectOverlay current overlay. |
| */ |
| public OverlayPackagingTask(Overlay overlay, Overlay currentProjectOverlay) { |
| if (overlay == null) { |
| throw new NullPointerException("overlay could not be null."); |
| } |
| if (overlay.equals(currentProjectOverlay)) { |
| throw new IllegalStateException("Could not handle the current project with this task."); |
| } |
| this.overlay = overlay; |
| } |
| |
| @Override |
| public void performPackaging(WarPackagingContext context) throws MojoExecutionException { |
| context.getLog() |
| .debug("OverlayPackagingTask performPackaging overlay.getTargetPath() " + overlay.getTargetPath()); |
| if (overlay.shouldSkip()) { |
| context.getLog().info("Skipping overlay [" + overlay + "]"); |
| } else { |
| try { |
| context.getLog().info("Processing overlay [" + overlay + "]"); |
| |
| // Step1: Extract if necessary |
| final File tmpDir = unpackOverlay(context, overlay); |
| |
| // Step2: setup |
| final PathSet includes = getFilesToIncludes(tmpDir, overlay.getIncludes(), overlay.getExcludes()); |
| |
| // Copy |
| if (null == overlay.getTargetPath()) { |
| copyFiles(overlay.getId(), context, tmpDir, includes, overlay.isFiltered()); |
| } else { |
| // overlay.getTargetPath() must ended with / |
| // if not we add it |
| String targetPath = overlay.getTargetPath(); |
| if (!targetPath.endsWith("/")) { |
| targetPath = targetPath + "/"; |
| } |
| copyFiles(overlay.getId(), context, tmpDir, includes, targetPath, overlay.isFiltered()); |
| } |
| } catch (IOException e) { |
| throw new MojoExecutionException("Failed to copy file for overlay [" + overlay + "]", e); |
| } |
| } |
| } |
| |
| /** |
| * Unpacks the specified overlay. |
| * |
| * Makes sure to skip the unpack process if the overlay has already been unpacked. |
| * |
| * @param context the packaging context |
| * @param overlay the overlay |
| * @return the directory containing the unpacked overlay |
| * @throws MojoExecutionException if an error occurred while unpacking the overlay |
| */ |
| protected File unpackOverlay(WarPackagingContext context, Overlay overlay) throws MojoExecutionException { |
| final File tmpDir = getOverlayTempDirectory(context, overlay); |
| |
| // TODO: not sure it's good, we should reuse the markers of the dependency plugin |
| if (FileUtils.sizeOfDirectory(tmpDir) == 0 |
| || overlay.getArtifact().getFile().lastModified() > tmpDir.lastModified()) { |
| doUnpack(context, overlay.getArtifact().getFile(), tmpDir); |
| } else { |
| context.getLog().debug("Overlay [" + overlay + "] was already unpacked"); |
| } |
| return tmpDir; |
| } |
| |
| /** |
| * Returns the directory to use to unpack the specified overlay. |
| * |
| * @param context the packaging context |
| * @param overlay the overlay |
| * @return the temp directory for the overlay |
| */ |
| protected File getOverlayTempDirectory(WarPackagingContext context, Overlay overlay) { |
| final File groupIdDir = new File(context.getOverlaysWorkDirectory(), overlay.getGroupId()); |
| if (!groupIdDir.exists()) { |
| groupIdDir.mkdir(); |
| } |
| String directoryName = overlay.getArtifactId(); |
| if (overlay.getClassifier() != null) { |
| directoryName = directoryName + "-" + overlay.getClassifier(); |
| } |
| final File result = new File(groupIdDir, directoryName); |
| if (!result.exists()) { |
| result.mkdirs(); |
| } |
| return result; |
| } |
| } |