| /* |
| * Copyright 2013 Paul Merlin. |
| * |
| * 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.qi4j.test.util; |
| |
| import java.io.File; |
| import java.io.IOException; |
| import org.junit.rules.TestRule; |
| import org.junit.runner.Description; |
| import org.junit.runners.model.Statement; |
| |
| /** |
| * JUnit Test Rule that delete directories after the test. |
| */ |
| public class DelTreeAfter |
| implements TestRule |
| { |
| |
| private final boolean createDirsBefore; |
| private final File[] directories; |
| |
| public DelTreeAfter( File... directories ) |
| { |
| this( false, directories ); |
| } |
| |
| public DelTreeAfter( boolean createDirsBefore, File[] directories ) |
| { |
| this.createDirsBefore = createDirsBefore; |
| this.directories = directories; |
| } |
| |
| @Override |
| public Statement apply( final Statement base, Description description ) |
| { |
| return new Statement() |
| { |
| @Override |
| public void evaluate() |
| throws Throwable |
| { |
| if( createDirsBefore ) |
| { |
| for( File dir : directories ) |
| { |
| if( !dir.mkdirs() ) |
| { |
| throw new IOException( "Unable to create directory: " + dir ); |
| } |
| } |
| } |
| try |
| { |
| base.evaluate(); |
| } |
| finally |
| { |
| if( directories != null ) |
| { |
| for( File dir : directories ) |
| { |
| if( dir.exists() ) |
| { |
| delTree( dir ); |
| } |
| } |
| } |
| } |
| } |
| }; |
| } |
| |
| private static void delTree( File dir ) |
| { |
| if( dir.isDirectory() ) |
| { |
| for( File file : dir.listFiles() ) |
| { |
| delTree( file ); |
| } |
| dir.delete(); |
| } |
| else |
| { |
| dir.delete(); |
| } |
| } |
| |
| } |