/*
* JBoss, Home of Professional Open Source.
* Copyright 2011, Red Hat, Inc., 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 is free software; you can redistribute it and/or modify it
* under the terms of the GNU Lesser General Public License as
* published by the Free Software Foundation; either version 2.1 of
* the License, or (at your option) any later version.
*
* This software 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
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this software; if not, write to the Free
* Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
* 02110-1301 USA, or see the FSF site: http://www.fsf.org.
*/
package org.gatein.integration.jboss.as7;
import java.io.IOException;
import java.io.InputStream;
import java.util.ArrayList;
import java.util.List;
import javax.xml.stream.XMLInputFactory;
import javax.xml.stream.XMLStreamReader;
import org.jboss.metadata.parser.jsp.TldMetaDataParser;
import org.jboss.metadata.parser.util.NoopXMLResolver;
import org.jboss.metadata.web.spec.TldMetaData;
import org.jboss.modules.Module;
import org.jboss.modules.ModuleClassLoader;
import org.jboss.modules.ModuleIdentifier;
import org.jboss.modules.ModuleLoadException;
/**
* @author <a href="mailto:mstrukel@redhat.com">Marko Strukelj</a>
*/
class SharedPortletTldsMetaDataBuilder {
private static final String[] PORTLET_TLDS = { "portlet.tld", "portlet_2_0.tld" };
private final List<TldMetaData> tlds = new ArrayList<TldMetaData>();
SharedPortletTldsMetaDataBuilder() {
init();
}
private void init() {
try {
ModuleClassLoader jstl = Module.getModuleFromCallerModuleLoader(ModuleIdentifier.create("org.gatein.pc"))
.getClassLoader();
for (String tld : PORTLET_TLDS) {
InputStream is = jstl.getResourceAsStream("META-INF/" + tld);
if (is != null) {
TldMetaData tldMetaData = parseTLD(tld, is);
tlds.add(tldMetaData);
}
}
} catch (ModuleLoadException e) {
// Ignore
} catch (Exception e) {
// Ignore
}
}
List<TldMetaData> create() {
final List<TldMetaData> metadata = new ArrayList<TldMetaData>();
metadata.addAll(tlds);
return metadata;
}
private TldMetaData parseTLD(String tld, InputStream is) throws Exception {
try {
final XMLInputFactory inputFactory = XMLInputFactory.newInstance();
inputFactory.setXMLResolver(NoopXMLResolver.create());
XMLStreamReader xmlReader = inputFactory.createXMLStreamReader(is);
return TldMetaDataParser.parse(xmlReader);
} finally {
try {
if (is != null) {
is.close();
}
} catch (IOException e) {
// Ignore
}
}
}
}