org.htmlunit.corejs.javascript.commonjs.module.provider.MultiModuleScriptProvider Maven / Gradle / Ivy
/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
package org.htmlunit.corejs.javascript.commonjs.module.provider;
import java.net.URI;
import java.util.LinkedList;
import java.util.List;
import org.htmlunit.corejs.javascript.Context;
import org.htmlunit.corejs.javascript.Scriptable;
import org.htmlunit.corejs.javascript.commonjs.module.ModuleScript;
import org.htmlunit.corejs.javascript.commonjs.module.ModuleScriptProvider;
/**
* A multiplexer for module script providers.
*
* @author Attila Szegedi
* @version $Id: MultiModuleScriptProvider.java,v 1.4 2011/04/07 20:26:12 hannes%helma.at Exp $
*/
public class MultiModuleScriptProvider implements ModuleScriptProvider {
private final ModuleScriptProvider[] providers;
/**
* Creates a new multiplexing module script provider tht gathers the specified providers
*
* @param providers the providers to multiplex.
*/
public MultiModuleScriptProvider(Iterable providers) {
final List l = new LinkedList<>();
for (ModuleScriptProvider provider : providers) {
l.add(provider);
}
this.providers = l.toArray(new ModuleScriptProvider[0]);
}
@Override
public ModuleScript getModuleScript(
Context cx, String moduleId, URI uri, URI base, Scriptable paths) throws Exception {
for (ModuleScriptProvider provider : providers) {
final ModuleScript script = provider.getModuleScript(cx, moduleId, uri, base, paths);
if (script != null) {
return script;
}
}
return null;
}
}