org.jasig.maven.plugin.sass.Resource.java Source code

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Here is the source code for org.jasig.maven.plugin.sass.Resource.java

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/**
 * Licensed to Jasig under one or more contributor license
 * agreements. See the NOTICE file distributed with this work
 * for additional information regarding copyright ownership.
 * Jasig 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.jasig.maven.plugin.sass;

import java.io.File;
import java.util.LinkedHashMap;
import java.util.Map;

import org.apache.commons.io.FilenameUtils;
import org.apache.maven.model.FileSet;
import org.codehaus.plexus.util.DirectoryScanner;
import org.codehaus.plexus.util.StringUtils;

public class Resource {

    /**
     * Directories containing SASS files
     */
    protected FileSet source;

    /**
     * Defines an additional path section when calculating the destination for the SCSS file. Allows,
     * for example "/media/skins/universality/coal/scss/portal.scss" to end up at "/media/skins/universality/coal/portal.css"
     * by specifying ".."  
     */
    protected String relativeOutputDirectory;

    /**
      * Where to put the compiled CSS files
      */
    protected File destination;

    public Map<String, String> getDirectoriesAndDestinations() {

        final File sourceDirectory = new File(source.getDirectory());

        // Scan for directories
        final DirectoryScanner scanner = new DirectoryScanner();
        scanner.setBasedir(sourceDirectory);
        scanner.setIncludes(source.getIncludes().toArray(new String[source.getIncludes().size()]));
        scanner.setExcludes(source.getExcludes().toArray(new String[source.getExcludes().size()]));

        // Add default excludes to the list of excludes (see http://plexus.codehaus.org/plexus-utils/apidocs/org/codehaus/plexus/util/AbstractScanner.html#DEFAULTEXCLUDES
        // or http://plexus.codehaus.org/plexus-utils/apidocs/org/codehaus/plexus/util/AbstractScanner.html#addDefaultExcludes() )
        scanner.addDefaultExcludes();

        scanner.scan();

        final Map<String, String> result = new LinkedHashMap<String, String>();

        result.put(FilenameUtils.separatorsToUnix(sourceDirectory.toString()),
                FilenameUtils.separatorsToUnix(destination.toString()));

        for (String included : scanner.getIncludedDirectories()) {
            if (!included.isEmpty()) {
                final String subdir = StringUtils.difference(sourceDirectory.toString(), included);

                final File sourceDir = new File(sourceDirectory, included);

                File destDir = new File(this.destination, subdir);
                if (this.relativeOutputDirectory != null && !this.relativeOutputDirectory.isEmpty()) {
                    destDir = new File(destDir, this.relativeOutputDirectory);
                }

                result.put(FilenameUtils.separatorsToUnix(sourceDir.toString()),
                        FilenameUtils.separatorsToUnix(destDir.toString()));
            }
        }

        return result;
    }
}