/**
* Licensed to the Austrian Association for Software Tool Integration (AASTI)
* under one or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information regarding copyright
* ownership. The AASTI licenses this file to you 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.openengsb.core.ekb.transformation.wonderland.internal.operation;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import org.apache.commons.lang.StringUtils;
import org.openengsb.core.ekb.api.transformation.TransformationConstants;
import org.openengsb.core.ekb.api.transformation.TransformationOperationException;
/**
* The replace operation is a string operation. It can be used to replace a certain part of the string in the source
* field with another string.
*/
public class ReplaceOperation extends AbstractStandardTransformationOperation {
private String oldStringParam = TransformationConstants.REPLACE_OLD_PARAM;
private String newStringParam = TransformationConstants.REPLACE_NEW_PARAM;
public ReplaceOperation(String operationName) {
super(operationName, ReplaceOperation.class);
}
@Override
public String getOperationDescription() {
return theOperation().does("is a string operation. It can be used to replace a certain part of ")
.cnt("the string in the source field with another string.").toString();
}
@Override
public Integer getOperationInputCount() {
return 1;
}
@Override
public Map<String, String> getOperationParameterDescriptions() {
Map<String, String> parameters = new HashMap<String, String>();
parameters.put(oldStringParam, "The string that should be replaced.");
parameters.put(newStringParam, "The string which should replace the old one.");
return parameters;
}
@Override
public Object performOperation(List<Object> input, Map<String, String> parameters)
throws TransformationOperationException {
checkInputSize(input);
String oldString = getParameterOrException(parameters, oldStringParam);
String newString = getParameterOrException(parameters, newStringParam);
return StringUtils.replace(input.get(0).toString(), oldString, newString);
}
}