/*
* RHQ Management Platform
* Copyright 2012, Red Hat Middleware LLC, and individual contributors
* as indicated by the @author tags. See the copyright.txt file in the
* distribution for a full listing of individual contributors.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation version 2 of the License.
*
* This program 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 General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
package org.rhq.scripting;
import java.util.ArrayList;
import java.util.ServiceLoader;
/**
* A factory class for the ScriptSourceProvider implementations.
*
* @author Lukas Krejci
*/
public final class ScriptSourceProviderFactory {
private ScriptSourceProviderFactory() {
}
/**
* Loads the set of the available {@link ScriptSourceProvider} implementations
* present on the classpath and registered in META-INF/services.
*
* @param classLoader the classloader to be used to locate the impls or null if the
* context class loader of the current thread should be used.
*
* @return the set of the script source providers available
*/
public static ScriptSourceProvider[] get(ClassLoader classLoader) {
ArrayList<ScriptSourceProvider> ps = new ArrayList<ScriptSourceProvider>();
if (classLoader == null) {
classLoader = Thread.currentThread().getContextClassLoader();
}
ServiceLoader<ScriptSourceProvider> loader = ServiceLoader.load(ScriptSourceProvider.class, classLoader);
for (ScriptSourceProvider provider : loader) {
ps.add(provider);
}
return ps.toArray(new ScriptSourceProvider[ps.size()]);
}
}