/*
* (C) Copyright 2006-2011 Nuxeo SA (http://nuxeo.com/) and others.
*
* 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.
*
* Contributors:
* bstefanescu
*/
package org.nuxeo.ecm.core.event.script;
import java.io.File;
import java.io.IOException;
import java.io.InputStreamReader;
import java.io.Reader;
import java.net.URL;
/**
* Script that comes from a JAR.
*
* @author <a href="mailto:bs@nuxeo.com">Bogdan Stefanescu</a>
*/
public class JARFileScript extends Script {
protected final URL url;
protected final File jar;
public JARFileScript(File jar, URL url) {
this.url = url;
this.jar = jar;
}
@Override
public String getExtension() {
return getExtension(url.getPath());
}
@Override
public String getLocation() {
return url.toExternalForm();
}
@Override
public Reader getReader() throws IOException {
return new InputStreamReader(url.openStream());
}
@Override
public Reader getReaderIfModified() throws IOException {
long tm = jar.lastModified();
if (tm > lastModified) {
synchronized (this) {
if (tm > lastModified) {
lastModified = tm;
return new InputStreamReader(url.openStream());
}
}
}
return null;
}
}