/*
* Copyright 2016 the original author or authors.
*
* 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.
*/
package org.gradle.internal.installation;
import java.io.File;
import java.io.FileFilter;
import java.util.ArrayList;
import java.util.Collection;
import java.util.Collections;
import java.util.List;
public class GradleInstallation {
public static final FileFilter DIRECTORY_FILTER = new FileFilter() {
public boolean accept(File pathname) {
return pathname.isDirectory();
}
};
private final File dir;
private final List<File> libDirs;
public GradleInstallation(File dir) {
this.dir = dir;
this.libDirs = Collections.unmodifiableList(findLibDirs(dir));
}
public File getGradleHome() {
return dir;
}
public List<File> getLibDirs() {
return libDirs;
}
private static List<File> findLibDirs(File dir) {
List<File> libDirAndSubdirs = new ArrayList<File>();
collectWithSubdirectories(new File(dir, "lib"), libDirAndSubdirs);
return libDirAndSubdirs;
}
private static void collectWithSubdirectories(File root, Collection<File> collection) {
collection.add(root);
File[] subDirs = root.listFiles(DIRECTORY_FILTER);
if (subDirs != null) {
for (File subdirectory : subDirs) {
collectWithSubdirectories(subdirectory, collection);
}
}
}
}