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/*
* Copyright 2011 Brian Rosenberger (Brutex Network)
*
* 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 net.brutex.xservices.util;
import java.io.Serializable;
import java.util.Date;
import org.mozilla.javascript.Context;
import org.mozilla.javascript.Scriptable;
import org.quartz.Job;
import org.quartz.JobDataMap;
import org.quartz.JobExecutionContext;
import org.quartz.JobExecutionException;
/**
* Wrapper for jobs that can be executed through quartz scheduler.
*
* @author Brian Rosenberger, bru@brutex.de
* @since 0.5.0
*
*/
public class JobWrapper implements Job, Serializable {
public void execute(JobExecutionContext jcontext)
throws JobExecutionException {
try {
System.out.println("Executing scheduled job '"+jcontext.getJobDetail().getKey().getName()+"' at " + new Date());
JobDataMap jdMap = jcontext.getJobDetail().getJobDataMap();
String script = jdMap.getString("script");
// Create and enter a Context. A Context stores information about
// the execution environment of a script.
Context cx = Context.enter();
cx.setOptimizationLevel(0);
cx.setLanguageVersion(Context.VERSION_1_7);
// cx is the Context instance you're using to run scripts
/*
* cx.setClassShutter(new ClassShutter() { public boolean
* visibleToScripts(String className) {
* if(className.startsWith("adapter")) return true;
* if(className.startsWith("java.lang.System") ||
* className.startsWith
* ("org.apache.tomcat.util.log.SystemLogHandler")) return true;
* System.out.println(className + " is blocked."); return false; }
* });
*/
// Initialise the standard objects (Object, Function, etc.). This
// must be done before scripts can be
// executed. The null parameter tells initStandardObjects
// to create and return a scope object that we use
// in later calls.
Scriptable scope = cx.initStandardObjects();
//Object wrappedOut = Context.javaToJS(System.out, scope);
//Object wrappedOut2 = Context.javaToJS(this, scope);
//scope.put("out", scope, wrappedOut);
//scope.put("exe", scope, wrappedOut2);
// Execute the script
// cx.evaluateString(scope, "importClass('java.lang.System');\n",
// "head", 1, null);
// cx.evaluateString(scope, "importPackage('java.util');\n", "head",
// 2, null);
Object obj = cx
.evaluateString(scope, script, "TestScript", 1, null);
} catch (Exception e) {
System.out.println(e.getMessage());
} finally {
// Exit the Context. This removes the association between the
// Context and the current thread and is an
// essential cleanup action. There should be a call to exit for
// every call to enter.
Context.exit();
}
}
}
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