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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;
import org.unitils.core.Unitils;
import java.io.File;
/**
* @author Jeroen Horemans
* @author Tim Ducheyne
* @author Thomas De Rycke
* @since 3.3
*/
public class IOUnitils {
/**
* Loads the content of 'test-class'.'target-type-default-extension' and converts it to the given target type using the default encoding.
* e.g.
*
* If this is an instance of MyTest, this will read-in file name org/myPackage/MyTest.txt (txt is the default extension for the String converter) and return the result as a string.
* The second line will read-in file name org/myPackage/MyTest.properties (properties is the default extension of the Properties converter) and return the result as a Properties instance.
*
* See {@link org.unitils.io.annotation.FileContent} for more information on how the file is resolved.
*
* @param targetType The target type to convert the content to, not null
* @param testInstance The test instance that will be used to construct the file name and locate the file, not null
* @return The file content converted to the target type, not null
*/
public static T readFileContent(Class targetType, Object testInstance) {
return readFileContent(null, targetType, null, testInstance);
}
/**
* Loads the content of 'test-class'.'target-type-default-extension' and converts it to the given target type.
*
* See {@link org.unitils.io.annotation.FileContent} for more information on how the file is resolved.
*
* @param targetType The target type to convert the content to, not null
* @param encoding The encoding to use when reading the file, null for the default encoding
* @param testInstance The test instance that will be used to construct the file name and locate the file, not null
* @return The file content converted to the target type, not null
* @see org.unitils.io.annotation.FileContent
*/
public static T readFileContent(Class targetType, String encoding, Object testInstance) {
return readFileContent(null, targetType, encoding, testInstance);
}
/**
* Loads the content of the file with the given name and converts it to the given target type using the default encoding.
* e.g.
*
* If this is an instance of MyTest, this will read-in file name org/myPackage/myFile.csv and return the result as a string.
* The second line will read-in file name myFile.properties and return the result as a Properties instance.
*
* See {@link org.unitils.io.annotation.FileContent} for more information on how the file is resolved.
*
* @param fileName The name of the file, not null
* @param targetType The target type to convert the content to, not null
* @param testInstance The test instance that will be used to locate the file, not null
* @return The file content converted to the target type, not null
*/
public static T readFileContent(String fileName, Class targetType, Object testInstance) {
return readFileContent(fileName, targetType, null, testInstance);
}
/**
* Loads the content of the file with the given name and converts it to the given target type.
*
* See {@link org.unitils.io.annotation.FileContent} for more information on how the file is resolved.
*
* @param fileName The name of the file, not null
* @param targetType The target type to convert the content to, not null
* @param encoding The encoding to use when reading the file, null for the default encoding
* @param testInstance The test instance that will be used to locate the file, not null
* @return The file content converted to the target type, not null
*/
public static T readFileContent(String fileName, Class targetType, String encoding, Object testInstance) {
Class testClass = testInstance.getClass();
return getIOModule().readFileContent(fileName, targetType, encoding, testClass);
}
/**
* Creates a temporary file with the given name. The parent directory for this file 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 file already exists, it will first be deleted.
*
* The file will not be removed after the test. You can use {@link #deleteTempFileOrDir(java.io.File)}, if you want
* to perform cleanup after the test.
*
* @param fileName The name of the temp file, not null
* @return The temp file, not null
*/
public static File createTempFile(String fileName) {
return getIOModule().createTempFile(fileName);
}
/**
* Creates a temporary directory with the given name. 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.
*
* The directory will not be removed after the test. You can use {@link #deleteTempFileOrDir(java.io.File)}, if
* you want to perform cleanup after the test.
*
* @param dirName The name of the temp dir, not null
* @return The temp dir, not null
*/
public static File createTempDir(String dirName) {
return getIOModule().createTempDir(dirName);
}
/**
* Deletes the given file or directory.
*
* Watch out: if the directory is not empty, all files in the directory will be deleted.
*
* Nothing will be done if the file or directory is null or does not exist.
*
* @param fileOrDir The file or directory to delete, can be null
*/
public static void deleteTempFileOrDir(File fileOrDir) {
getIOModule().deleteTempFileOrDir(fileOrDir);
}
private static IOModule getIOModule() {
return Unitils.getInstance().getModulesRepository().getModuleOfType(IOModule.class);
}
}
