/*
* JBoss, Home of Professional Open Source
* Copyright 2012, Red Hat Inc., and individual contributors as indicated
* by the @authors tag. See the copyright.txt 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.jboss.as.jsf.deployment;
import java.io.IOException;
import java.io.InputStream;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import javax.xml.stream.XMLInputFactory;
import javax.xml.stream.XMLStreamReader;
import org.jboss.as.server.deployment.DeploymentPhaseContext;
import org.jboss.as.server.deployment.DeploymentUnit;
import org.jboss.as.server.deployment.DeploymentUnitProcessingException;
import org.jboss.as.server.deployment.DeploymentUnitProcessor;
import org.jboss.as.web.SharedTldsMetaDataBuilder;
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.ModuleLoadException;
/**
* Cache the TLDs for JSF and add them to deployments as needed.
*
* @author Stan Silvert
*/
public class JSFSharedTldsProcessor implements DeploymentUnitProcessor {
private static final String[] JSF_TAGLIBS = { "html_basic.tld", "jsf_core.tld", "mojarra_ext.tld", "myfaces_core.tld", "myfaces_html.tld" };
private final Map<String, List<TldMetaData>> jsfTldMap = new HashMap<String, List<TldMetaData>>();
// private final ArrayList<TldMetaData> jsfTlds = new ArrayList<TldMetaData>();
public JSFSharedTldsProcessor() {
init();
}
private void init() {
JSFModuleIdFactory moduleFactory = JSFModuleIdFactory.getInstance();
List<String> jsfSlotNames = moduleFactory.getActiveJSFVersions();
for (String slot : jsfSlotNames) {
final List<TldMetaData> jsfTlds = new ArrayList<TldMetaData>();
try {
ModuleClassLoader jsf = Module.getModuleFromCallerModuleLoader(moduleFactory.getImplModId(slot)).getClassLoader();
for (String tld : JSF_TAGLIBS) {
InputStream is = jsf.getResourceAsStream("META-INF/" + tld);
if (is != null) {
TldMetaData tldMetaData = parseTLD(is);
jsfTlds.add(tldMetaData);
}
}
} catch (ModuleLoadException e) {
// Ignore
} catch (Exception e) {
// Ignore
}
jsfTldMap.put(slot, jsfTlds);
}
}
private TldMetaData parseTLD(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
}
}
}
public void deploy(DeploymentPhaseContext phaseContext) throws DeploymentUnitProcessingException {
final DeploymentUnit deploymentUnit = phaseContext.getDeploymentUnit();
final DeploymentUnit topLevelDeployment = deploymentUnit.getParent() == null ? deploymentUnit : deploymentUnit.getParent();
String jsfVersion = JsfVersionMarker.getVersion(topLevelDeployment);
if (jsfVersion.equals(JsfVersionMarker.WAR_BUNDLES_JSF_IMPL)) {
return;
}
// Add the shared TLDs metadata
List<TldMetaData> tldsMetaData = deploymentUnit.getAttachment(SharedTldsMetaDataBuilder.ATTACHMENT_KEY);
if (tldsMetaData == null) tldsMetaData = new ArrayList<TldMetaData>();
String slot = jsfVersion;
if (!JSFModuleIdFactory.getInstance().isValidJSFSlot(slot)) {
slot = JSFModuleIdFactory.getInstance().getDefaultSlot();
}
slot = JSFModuleIdFactory.getInstance().computeSlot(slot);
List<TldMetaData> jsfTlds = this.jsfTldMap.get(slot);
if (jsfTlds != null) tldsMetaData.addAll(jsfTlds);
deploymentUnit.putAttachment(SharedTldsMetaDataBuilder.ATTACHMENT_KEY, tldsMetaData);
}
public void undeploy(DeploymentUnit context) {
}
}