/* 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.flowable.examples.bpmn.servicetask;

import org.flowable.engine.delegate.DelegateExecution;
import org.flowable.engine.delegate.Expression;
import org.flowable.engine.delegate.JavaDelegate;

/**
 * Example JavaDelegate that uses an injected {@link Expression}s in fields 'text1' and 'text2'. While executing, 'var1' is set with the reversed result of the method invocation and 'var2' will be the
 * reversed result of the value expression.
 * 
 * @author Frederik Heremans
 */
public class ReverseStringsFieldInjected implements JavaDelegate {

  private Expression text1;
  private Expression text2;

  public void execute(DelegateExecution execution) {
    String value1 = (String) text1.getValue(execution);
    execution.setVariable("var1", new StringBuffer(value1).reverse().toString());

    String value2 = (String) text2.getValue(execution);
    execution.setVariable("var2", new StringBuffer(value2).reverse().toString());
  }

}
