/*
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you 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 org.apache.myfaces.tobago.example.demo;
import org.apache.myfaces.tobago.model.ExpandedState;
import org.apache.myfaces.tobago.model.SheetState;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import javax.enterprise.context.ApplicationScoped;
import javax.inject.Named;
import java.io.IOException;
import java.net.URL;
import java.util.Enumeration;
import java.util.jar.Attributes;
import java.util.jar.Manifest;
@ApplicationScoped
@Named
public class ManifestReader {
private static final Logger LOG = LoggerFactory.getLogger(ManifestReader.class);
private final ManifestEntry manifestTree;
private final SheetState state;
public ManifestReader() {
state = new SheetState();
state.setExpandedState(new ExpandedState(1));
manifestTree = new ManifestEntry("Tobago Example Demo", null);
URL url = null;
try {
final Enumeration<URL> ul = getClass().getClassLoader().getResources("META-INF/MANIFEST.MF");
while (ul.hasMoreElements()) {
url = ul.nextElement();
String name = url.toString();
name = name.replaceAll(".+/([^/]+\\.jar)\\!/META-INF/MANIFEST.MF", "$1");
final ManifestEntry jar = new ManifestEntry(name, null);
manifestTree.add(jar);
final Manifest manifest = new Manifest(url.openStream());
final Attributes attributes = manifest.getMainAttributes();
for (final Object key : attributes.keySet()) {
jar.add(new ManifestEntry(key.toString(), attributes.get(key).toString()));
}
}
} catch (final IOException e) {
LOG.error("Problem while processing URL: " + url, e);
}
}
public ManifestEntry getManifestTree() {
return manifestTree;
}
public SheetState getState() {
return state;
}
}