/*
* JBoss, Home of Professional Open Source
* Copyright 2011, Red Hat, Inc., and individual contributors
* by the @authors tag. See the copyright.txt in the distribution for a
* full listing of individual contributors.
*
* 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.
*/
package org.jboss.seam.faces.rewrite;
import java.io.IOException;
import java.lang.annotation.Annotation;
import java.util.ArrayList;
import java.util.List;
import java.util.Map;
import javax.enterprise.inject.spi.BeanManager;
import javax.servlet.ServletContext;
import com.ocpsoft.pretty.faces.config.PrettyConfig;
import com.ocpsoft.pretty.faces.config.mapping.UrlMapping;
import com.ocpsoft.pretty.faces.config.servlet.WebXmlParser;
import com.ocpsoft.pretty.faces.spi.ConfigurationProvider;
import org.jboss.seam.faces.beanManager.BeanManagerServletContextListener;
import org.jboss.seam.faces.util.BeanManagerUtils;
import org.jboss.seam.faces.view.config.ViewConfigStore;
import org.jboss.seam.solder.core.Requires;
import org.xml.sax.SAXException;
/**
* @author <a href="mailto:bleathem@gmail.com">Brian Leathem</a>
*/
@Requires("com.ocpsoft.pretty.faces.spi.ConfigurationProvider")
public class RewriteConfiguration implements ConfigurationProvider {
public static final String PRETTYFACES_CONFIG_SERVLETCONTEXT_KEY = "org.jboss.seam.faces.com.ocpsoft.pretty.faces.spi.ConfigurationProvider";
@Override
public PrettyConfig loadConfiguration(ServletContext sc) {
WebXmlParser webXmlParser = new WebXmlParser();
try {
webXmlParser.parse(sc);
} catch (IOException ex) {
throw new RuntimeException(ex);
} catch (SAXException ex) {
throw new RuntimeException(ex);
}
BeanManager beanManager = (BeanManager) sc.getAttribute(BeanManagerServletContextListener.BEANMANAGER_SERVLETCONTEXT_KEY);
ViewConfigStore store = BeanManagerUtils.getContextualInstance(beanManager, ViewConfigStore.class);
List<UrlMapping> mappings = loadUrlMappings(store, webXmlParser.getFacesMapping());
PrettyConfig prettyConfig = new PrettyConfig();
prettyConfig.setMappings(mappings);
return prettyConfig;
}
private List<UrlMapping> loadUrlMappings(ViewConfigStore store, String facesMapping) {
List<UrlMapping> mappings = new ArrayList<UrlMapping>();
Map<String, Annotation> map = store.getAllAnnotationViewMap(org.jboss.seam.faces.rewrite.UrlMapping.class);
if (map != null) {
for (Map.Entry<String, Annotation> entry : map.entrySet()) {
mappings.add(buildPrettyFacesUrlMapping(entry.getKey(), entry.getValue(), facesMapping));
}
}
return mappings;
}
private UrlMapping buildPrettyFacesUrlMapping(String viewId, Annotation annotation, String facesMapping) {
org.jboss.seam.faces.rewrite.UrlMapping urlMappingAnnotation = (org.jboss.seam.faces.rewrite.UrlMapping) annotation;
UrlMapping urlMapping = new UrlMapping();
urlMapping.setViewId(buildViewUrl(viewId, facesMapping));
urlMapping.setId(viewId);
urlMapping.setOnPostback(urlMappingAnnotation.onPostback());
urlMapping.setOutbound(urlMappingAnnotation.outbound());
urlMapping.setPattern(urlMappingAnnotation.pattern());
return urlMapping;
}
String buildViewUrl(String viewId, String facesMapping) {
String viewUrl = null;
if (facesMapping.endsWith("*")) {
viewUrl = facesMapping.replaceFirst("\\*", viewId);
} else if (facesMapping.startsWith("*")) {
String[] splits = viewId.split("\\.");
String viewName;
if (splits.length == 1) {
viewName = viewId;
} else {
viewName = splits[0];
}
viewUrl = facesMapping.replaceFirst("\\*", viewName);
}
if (!viewUrl.startsWith("/")) {
viewUrl = "/" + viewUrl;
}
return viewUrl;
}
}