/*
 *  Licensed to the Apache Software Foundation (ASF) under one
 *  or more contributor license agreements.  See the NOTICE file
 *  distributed with this work for additional information
 *  regarding copyright ownership.  The ASF 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.apache.synapse.mediators.builtin;

import org.apache.axis2.AxisFault;
import org.apache.synapse.ManagedLifecycle;
import org.apache.synapse.MessageContext;
import org.apache.synapse.core.SynapseEnvironment;
import org.apache.synapse.mediators.AbstractMediator;
import org.apache.synapse.util.MessageHelper;

import java.util.ArrayList;
import java.util.List;

/**
 * Helper mediator class to test ForEach mediator
 */
public class ForEachHelperMediator extends AbstractMediator implements ManagedLifecycle {

    private List mediatedContext = new ArrayList();
    private int msgCount;

    public boolean mediate(MessageContext synCtx) {

        try {
            mediatedContext.add(MessageHelper.cloneMessageContext(synCtx));
        } catch (AxisFault e) {
            handleException("Error while cloning message context", synCtx);
        }
        msgCount++;
        return true;
    }

    public MessageContext getMediatedContext(int position) {
        if (mediatedContext.size() > position) {
            return (MessageContext) mediatedContext.get(position);
        } else {
            return null;
        }
    }

    public void clearMediatedContexts() {
        mediatedContext.clear();
        msgCount = 0;
    }


    public void init(SynapseEnvironment se) {
        msgCount = 0;
    }

    public int getMsgCount() {
        return msgCount;
    }

    public void destroy() {
        clearMediatedContexts();
        msgCount = 0;
    }
}