org.mule.execution.ValidationPhase Maven / Gradle / Ivy

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/*
 * Copyright (c) MuleSoft, Inc.  All rights reserved.  http://www.mulesoft.com
 * The software in this package is published under the terms of the CPAL v1.0
 * license, a copy of which has been included with this distribution in the
 * LICENSE.txt file.
 */
package org.mule.execution;

/**
 * This phase validates the incoming message.
 *
 * To participate of this phase, {@link MessageProcessTemplate} must implement
 * {@link ValidationPhaseTemplate}.
 */
public class ValidationPhase implements MessageProcessPhase, Comparable
{

    @Override
    public boolean supportsTemplate(MessageProcessTemplate messageProcessTemplate)
    {
        return messageProcessTemplate instanceof ValidationPhaseTemplate;
    }

    @Override
    public void runPhase(ValidationPhaseTemplate validationPhaseTemplate, MessageProcessContext messageProcessContext, PhaseResultNotifier phaseResultNotifier)
    {
        try
        {
            if (!validationPhaseTemplate.validateMessage())
            {
                validationPhaseTemplate.discardInvalidMessage();
                phaseResultNotifier.phaseConsumedMessage();
            }
            else
            {
                phaseResultNotifier.phaseSuccessfully();
            }
        }
        catch (Exception e)
        {
            phaseResultNotifier.phaseFailure(e);
        }
    }

    @Override
    public int compareTo(MessageProcessPhase messageProcessPhase)
    {
        if (messageProcessPhase instanceof FlowProcessingPhaseTemplate)
        {
            return -1;
        }
        return 0;
    }
}