ParameterConfiguration2Provider.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.servlet.config;

import java.io.File;

import javax.servlet.ServletContext;

import org.ocpsoft.rewrite.config.Configuration;
import org.ocpsoft.rewrite.config.ConfigurationBuilder;
import org.ocpsoft.rewrite.config.Filesystem;
import org.ocpsoft.rewrite.config.Not;
import org.ocpsoft.rewrite.servlet.config.rule.Join;

/**
 * @author <a href="mailto:lincolnbaxter@gmail.com">Lincoln Baxter, III</a>
 */
public class ParameterConfiguration2Provider extends HttpConfigurationProvider
{
   @Override
   public int priority()
   {
      return 0;
   }

   @Override
   public Configuration getConfiguration(final ServletContext context)
   {
      Configuration config = ConfigurationBuilder.begin()

               .addRule(Join.path("/{p}").to("/{p}.txt"))
               .when(Not.any(ServletMapping.includes("/{p}")
                        .or(Filesystem.fileExists(new File("/{p}")))
                        .or(Resource.exists("/{p}"))))
               .where("p").matches("paramconfig")

               .addRule().when(Path.matches("/{*}.txt"))
               .perform(SendStatus.code(245));

      return config;
   }
}