org.bluestemsoftware.open.eoa.plugin.resources.AbstractResourcesMojo Maven / Gradle / Ivy

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/**
 * Copyright 2008 Bluestem Software LLC.  All Rights Reserved.
 * 
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License version 2 as
 * published by the Free Software Foundation.
 * 
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 * 
 * You should have received a copy of the GNU General Public License
 * along with this program.  If not, see .
 * 
 */

package org.bluestemsoftware.open.eoa.plugin.resources;

/*
 * Adapted from org.apache.maven.plugin.resources.ResourcesMojo which was released under the following
 * license:
 * 
 * Copyright 2001-2005 The Apache Software Foundation.
 * 
 * Licensed 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.File;
import java.io.IOException;
import java.util.Arrays;
import java.util.Iterator;
import java.util.List;

import org.apache.maven.model.Resource;
import org.apache.maven.plugin.AbstractMojo;
import org.apache.maven.plugin.MojoExecutionException;
import org.apache.maven.project.MavenProject;
import org.codehaus.plexus.util.DirectoryScanner;
import org.codehaus.plexus.util.FileUtils;

/**
 * Copied/adapted from org.apache.maven.plugin.resources.ResourcesMojo.
 */
public abstract class AbstractResourcesMojo extends AbstractMojo {

    /**
     * The character encoding scheme to be applied.
     * 
     * @parameter
     */
    protected String encoding;

    /**
     * The list of resources we want to transfer.
     * 
     * @parameter expression="${project.resources}"
     * @required
     */
    protected List resources;

    /**
     * @parameter expression="${project}"
     * @required
     * @readonly
     */
    protected MavenProject project;

    protected static final String[] EMPTY_STRING_ARRAY = {};

    protected static final String[] DEFAULT_INCLUDES = { "**/**" };

    /**
     * The output directory into which to copy the resources.
     * 
     * @parameter expression="${project.build.outputDirectory}"
     * @required
     */
    protected File outputDirectory;

    /**
     * Base directory of the project.
     * 
     * @parameter default-value="${basedir}"
     * @required
     * @readonly
     */
    protected File basedir;

    @SuppressWarnings("unchecked")
    protected void copyResources(List resources, File outputDirectory) throws MojoExecutionException {

        if (encoding == null || encoding.length() < 1) {
            getLog().info("Using default encoding to copy resources.");
        } else {
            getLog().info("Using '" + encoding + "' to copy resources.");
        }

        for (Iterator i = resources.iterator(); i.hasNext();) {
            Resource resource = (Resource)i.next();

            String targetPath = resource.getTargetPath();

            File resourceDirectory = new File(resource.getDirectory());
            if (!resourceDirectory.isAbsolute()) {
                resourceDirectory = new File(project.getBasedir(), resourceDirectory.getPath());
            }

            if (!resourceDirectory.exists()) {
                getLog().info("Resource directory does not exist: " + resourceDirectory);
                continue;
            }

            // this part is required in case the user specified "../something" as destination
            // see MNG-1345
            if (!outputDirectory.exists()) {
                if (!outputDirectory.mkdirs()) {
                    throw new MojoExecutionException("Cannot create resource output directory: " + outputDirectory);
                }
            }

            DirectoryScanner scanner = new DirectoryScanner();

            scanner.setBasedir(resourceDirectory);
            if (resource.getIncludes() != null && !resource.getIncludes().isEmpty()) {
                scanner.setIncludes((String[])resource.getIncludes().toArray(EMPTY_STRING_ARRAY));
            } else {
                scanner.setIncludes(DEFAULT_INCLUDES);
            }

            if (resource.getExcludes() != null && !resource.getExcludes().isEmpty()) {
                scanner.setExcludes((String[])resource.getExcludes().toArray(EMPTY_STRING_ARRAY));
            }

            scanner.addDefaultExcludes();
            scanner.scan();

            List includedFiles = Arrays.asList(scanner.getIncludedFiles());

            getLog().info(
                    "Copying "
                            + includedFiles.size()
                            + " resource"
                            + (includedFiles.size() > 1 ? "s" : "")
                            + (targetPath == null ? "" : " to " + targetPath));

            for (Iterator j = includedFiles.iterator(); j.hasNext();) {
                String name = j.next();

                String destination = name;

                if (targetPath != null) {
                    destination = targetPath + "/" + name;
                }

                File source = new File(resourceDirectory, name);

                File destinationFile = new File(outputDirectory, destination);

                if (!destinationFile.getParentFile().exists()) {
                    destinationFile.getParentFile().mkdirs();
                }

                try {
                    FileUtils.copyFile(source, destinationFile);
                } catch (IOException e) {
                    throw new MojoExecutionException("Error copying resource " + source, e);
                }
            }
        }
    }

 
}