org.codehaus.griffon.runtime.quartz.JobArtifactHandler.java Source code

Introduction

Here is the source code for org.codehaus.griffon.runtime.quartz.JobArtifactHandler.java

Source

/* 
 * Copyright 2004-2010 the original author or authors.
 * 
 * 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.codehaus.griffon.runtime.quartz;

import org.springframework.util.ReflectionUtils;
import org.quartz.JobExecutionContext;

import java.lang.reflect.Method;

import griffon.core.GriffonApplication;
import griffon.core.GriffonClass;
import griffon.plugins.quartz.GriffonJobClass;
import org.codehaus.griffon.runtime.core.SpringArtifactHandlerAdapter;

/**
 * Griffon artefact handler for task classes.
 *
 * @author Marc Palmer (Grails 0.1)
 * @author Sergey Nebolsin (Grails 0.1)
 */
public class JobArtifactHandler extends SpringArtifactHandlerAdapter {
    public JobArtifactHandler(GriffonApplication app) {
        super(app, GriffonJobClass.TYPE, GriffonJobClass.TRAILING);
    }

    protected GriffonClass newGriffonClassInstance(Class clazz) {
        return new DefaultGriffonJobClass(getApp(), clazz);
    }

    public boolean isArtifactClass(Class clazz) {
        // class shouldn't be null and shoud ends with Job suffix
        if (clazz == null || !clazz.getName().endsWith(GriffonJobClass.TRAILING))
            return false;
        // and should have one of execute() or execute(JobExecutionContext) methods defined
        Method method = ReflectionUtils.findMethod(clazz, QuartzConstants.EXECUTE);
        if (method == null) {
            // we're using Object as a param here to allow groovy-style 'def execute(param)' method
            method = ReflectionUtils.findMethod(clazz, QuartzConstants.EXECUTE, new Class[] { Object.class });
        }
        if (method == null) {
            // also check for the execution context as a variable because that's what's being passed
            method = ReflectionUtils.findMethod(clazz, QuartzConstants.EXECUTE,
                    new Class[] { JobExecutionContext.class });
        }
        return method != null;
    }
}