ExpressionLanguageConfigProvider.java

/*
 * Copyright 2011 <a href="mailto:lincolnbaxter@gmail.com">Lincoln Baxter, III</a>
 *
 * 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.ocpsoft.rewrite.faces.el;

import javax.faces.event.PhaseId;
import javax.servlet.ServletContext;

import org.ocpsoft.rewrite.config.Configuration;
import org.ocpsoft.rewrite.config.ConfigurationBuilder;
import org.ocpsoft.rewrite.el.El;
import org.ocpsoft.rewrite.faces.config.PhaseAction;
import org.ocpsoft.rewrite.faces.config.PhaseBinding;
import org.ocpsoft.rewrite.servlet.config.Forward;
import org.ocpsoft.rewrite.servlet.config.HttpConfigurationProvider;
import org.ocpsoft.rewrite.servlet.config.Path;

/**
 * @author Christian Kaltepoth
 */
public class ExpressionLanguageConfigProvider extends HttpConfigurationProvider
{

   @Override
   public Configuration getConfiguration(final ServletContext context)
   {
      return ConfigurationBuilder
               .begin()
               .addRule()
               .when(Path.matches("/name/{name}"))
               .perform(PhaseAction.retrieveFrom(El.retrievalMethod("#{expressionLanguageBean.action}"))
                        .after(PhaseId.RESTORE_VIEW)
                        .and(Forward.to("/expression-language.xhtml")))
               .where("name").bindsTo(PhaseBinding.to(El.property("#{expressionLanguageBean.name}"))
                        .after(PhaseId.RESTORE_VIEW));
   }

   @Override
   public int priority()
   {
      return 0;
   }

}