org.unitils.io.filecontent.impl.DefaultFileContentReaderFactory Maven / Gradle / Ivy
/*
* 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.
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package org.unitils.io.filecontent.impl;
import org.unitils.io.conversion.ConversionStrategy;
import org.unitils.io.filecontent.FileContentReader;
import org.unitils.io.filecontent.FileContentReaderFactory;
import org.unitils.io.reader.ReadingStrategy;
import org.unitils.io.reader.ReadingStrategyFactory;
import java.util.ArrayList;
import java.util.LinkedList;
import java.util.List;
import java.util.Properties;
import static org.unitils.core.util.ConfigUtils.getInstanceOf;
import static org.unitils.util.PropertyUtils.getString;
import static org.unitils.util.PropertyUtils.getStringList;
import static org.unitils.util.ReflectionUtils.createInstanceOfType;
/**
* @author Tim Ducheyne
* @author Jeroen Horemans
* @since 3.3
*/
public class DefaultFileContentReaderFactory implements FileContentReaderFactory {
public static final String DEFAULT_CONVERSION_STRATEGY_KEY = "IOModule.conversion.default";
public static final String CUSTOM_CONVERSION_STRATEGY_KEY = "IOModule.conversion.custom";
public static final String DEFAULT_FILE_ENCODING = "IOModule.encoding.default";
public FileContentReader createFileContentReader(Properties configuration) {
ReadingStrategy readingStrategy = createReadingStrategy(configuration);
List> conversionStrategies = createConversionStrategies(configuration);
String defaultEncoding = getString(DEFAULT_FILE_ENCODING, configuration);
return new DefaultFileContentReader(readingStrategy, conversionStrategies, defaultEncoding);
}
protected ReadingStrategy createReadingStrategy(Properties configuration) {
ReadingStrategyFactory readingStrategyFactory = getInstanceOf(ReadingStrategyFactory.class, configuration);
return readingStrategyFactory.createReadingStrategy(configuration);
}
protected List> createConversionStrategies(Properties configuration) {
List> conversionStrategies = new LinkedList>();
conversionStrategies.addAll(createConversionStrategies(configuration, CUSTOM_CONVERSION_STRATEGY_KEY));
conversionStrategies.addAll(createConversionStrategies(configuration, DEFAULT_CONVERSION_STRATEGY_KEY));
return conversionStrategies;
}
protected List> createConversionStrategies(Properties configuration, String propertyName) {
List conversionStrategyClassNames = getStringList(propertyName, configuration);
List> conversionStrategies = new ArrayList>(conversionStrategyClassNames.size());
for (String conversionStrategyClassName : conversionStrategyClassNames) {
ConversionStrategy conversionStrategy = createInstanceOfType(conversionStrategyClassName, false);
conversionStrategies.add(conversionStrategy);
}
return conversionStrategies;
}
}