com.liferay.portal.workflow.WorkflowLinkAdvice.java Source code

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Here is the source code for com.liferay.portal.workflow.WorkflowLinkAdvice.java

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/**
 * Copyright (c) 2000-2012 Liferay, Inc. All rights reserved.
 *
 * This library is free software; you can redistribute it and/or modify it under
 * the terms of the GNU Lesser General Public License as published by the Free
 * Software Foundation; either version 2.1 of the License, or (at your option)
 * any later version.
 *
 * This library is distributed in the hope that it will be useful, but WITHOUT
 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
 * FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more
 * details.
 */

package com.liferay.portal.workflow;

import com.liferay.portal.kernel.workflow.RequiredWorkflowDefinitionException;
import com.liferay.portal.service.WorkflowDefinitionLinkLocalServiceUtil;

import org.aspectj.lang.ProceedingJoinPoint;
import org.aspectj.lang.Signature;

/**
 * @author Brian Wing Shun Chan
 */
public class WorkflowLinkAdvice {

    public Object invoke(ProceedingJoinPoint proceedingJoinPoint) throws Throwable {

        Signature signature = proceedingJoinPoint.getSignature();

        String methodName = signature.getName();

        Object[] arguments = proceedingJoinPoint.getArgs();

        if (methodName.equals(_UPDATE_ACTIVE)) {
            long companyId = (Long) arguments[0];
            String name = (String) arguments[2];
            int version = (Integer) arguments[3];
            boolean active = (Boolean) arguments[4];

            if (!active) {
                int workflowDefinitionLinksCount = WorkflowDefinitionLinkLocalServiceUtil
                        .getWorkflowDefinitionLinksCount(companyId, name, version);

                if (workflowDefinitionLinksCount >= 1) {
                    throw new RequiredWorkflowDefinitionException();
                }
            }
        }

        return proceedingJoinPoint.proceed();
    }

    private static final String _UPDATE_ACTIVE = "updateActive";

}