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/*
 * Copyright 2011, Unitils.org
 * 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.unitils.io.annotation;

import java.lang.annotation.Retention;
import java.lang.annotation.Target;

import static java.lang.annotation.ElementType.FIELD;
import static java.lang.annotation.RetentionPolicy.RUNTIME;

/**
 * Annotation for creating a temporary directory.
 * 
 * A optional name can be specified for directory. If no name is specified, a default name 'class-name'-'method-name' will be used.
 * 

 * The parent directory for this directory can be
 * specified by setting the {@link org.unitils.io.temp.impl.DefaultTempServiceFactory#ROOT_TEMP_DIR} property.
 * If no root temp dir is specified the default user temp dir will be used.
 * 

 * Watch out: if the directory already exists, it will first be deleted. If the directory was not empty,
 * all files in the directory will be deleted.
 * 
 * By default, the directory will not be removed after the test. You can set the {@link org.unitils.io.IOModule#CLEANUP_AFTER_TEST}
 * property to true if you want unitils to delete the directories automatically after each test.
 *
 * @author Jeroen Horemans
 * @author Tim Ducheyne
 * @author Thomas De Rycke
 * @since 3.3
 */
@Target(FIELD)
@Retention(RUNTIME)
public @interface TempDir {
    /**
     * @return The name for the temp dir. If not specified, a default name 'class-name'-'method-name' will be used.
     */
    String value() default "";
}