TransformingConnectorHandler.java

/**
 * 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.services.internal;

import java.lang.reflect.Method;

import org.openengsb.core.common.AbstractOpenEngSBInvocationHandler;
import org.openengsb.core.ekb.api.TransformationEngine;

public class TransformingConnectorHandler<ConnectorType> extends AbstractOpenEngSBInvocationHandler {

    private TransformationEngine transformationEngine;

    private ConnectorType target;

    public TransformingConnectorHandler(TransformationEngine transformationEngine, ConnectorType target) {
        this.transformationEngine = transformationEngine;
        this.target = target;
    }

    @Override
    protected Object handleInvoke(Object proxy, Method method, Object[] args) throws Throwable {
        TransformationHandler transformationHandler = TransformationHandler
                .newTransformationHandler(transformationEngine, method, target.getClass());
        Object[] transformedArgs = transformationHandler.transformArguments(args);
        Object result = transformationHandler.getTargetMethod().invoke(target, transformedArgs);
        return transformationHandler.transformResult(result);
    }

    public void setTarget(ConnectorType target) {
        this.target = target;
    }
}