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GroovyFileGlobalVariable.java
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GroovyFileGlobalVariable.java
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/*
* The MIT License
*
* Copyright (c) 2015 CloudBees, Inc.
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*/
package org.jenkinsci.plugins.workflow.remoteloader;
import groovy.lang.Binding;
import javax.annotation.Nonnull;
import org.jenkinsci.plugins.scriptsecurity.sandbox.whitelists.ProxyWhitelist;
import org.jenkinsci.plugins.workflow.cps.CpsScript;
import org.jenkinsci.plugins.workflow.cps.GlobalVariable;
import org.kohsuke.accmod.Restricted;
import org.kohsuke.accmod.restrictions.NoExternalUse;
/**
* Implements Global variable, which is implemented via Groovy file.
* Exclusions should be configured separately using {@link ProxyWhitelist}.
* @author Oleg Nenashev
*/
@Restricted(NoExternalUse.class)
public abstract class GroovyFileGlobalVariable extends GlobalVariable {
/**
* Canonical name of the class to be loaded.
* @return Canonical class name
*/
@Nonnull
public String getClassName() {
return getClass().getName() + ".FileLoaderDSLImpl";
}
@Override
public final Object getValue(CpsScript script) throws Exception {
final Binding binding = script.getBinding();
final Object loadedObject;
if (binding.hasVariable(getName())) {
loadedObject = binding.getVariable(getName());
} else {
// Note that if this were a method rather than a constructor, we would need to mark it @NonCPS lest it throw CpsCallableInvocation.
loadedObject = script.getClass().getClassLoader().loadClass(getClassName()).getConstructor(CpsScript.class).newInstance(script);
binding.setVariable(getName(), loadedObject);
}
return loadedObject;
}
}