/**
    * Copyright (C) 2010-2012 Joerg Bellmann <joerg.bellmann@googlemail.com>
    *
    * 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 com.googlecode.t7mp.steps;
  
  import java.io.File;
  import java.io.FileWriter;
  import java.io.Writer;
  
  import org.apache.velocity.Template;
  import org.apache.velocity.VelocityContext;
  import org.apache.velocity.app.Velocity;
  import org.apache.velocity.runtime.RuntimeServices;
  import org.apache.velocity.runtime.log.LogChute;
  import org.apache.velocity.runtime.resource.loader.ClasspathResourceLoader;
  
  import com.googlecode.t7mp.T7Configuration;
  import com.googlecode.t7mp.TomcatSetupException;
  
  public class BuildCatalinaPropertiesFileStep implements Step {
  
      @Override
      public void execute(Context context) {
          final T7Configuration configuration = context.getConfiguration();
          try {
              Velocity.setProperty(Velocity.RUNTIME_LOG_LOGSYSTEM, new LogNothingLogChute());
              Velocity.setProperty(Velocity.RESOURCE_LOADER, "class");
              Velocity.setProperty("class.resource.loader.description", "Velocity Classpath Resource Loader");
              Velocity.setProperty("class.resource.loader.class", ClasspathResourceLoader.class.getName());
              Velocity.init();
              Template template = Velocity.getTemplate("com/googlecode/t7mp/conf/catalina.properties");
              VelocityContext velocityContext = new VelocityContext();
              velocityContext.put("tomcatHttpPort", configuration.getTomcatHttpPort() + "");
              velocityContext.put("tomcatShutdownPort", configuration.getTomcatShutdownPort() + "");
              velocityContext.put("tomcatShutdownCommand", configuration.getTomcatShutdownCommand());
              velocityContext.put("tomcatHostName", configuration.getTomcatHostName());
              Writer writer = new FileWriter(new File(configuration.getCatalinaBase(), "/conf/catalina.properties"));
              template.merge(velocityContext, writer);
              writer.flush();
              writer.close();
          } catch (Exception e) {
              throw new TomcatSetupException(e.getMessage(), e);
          }
      }
      
      /**
       * 
       * @author Joerg Bellmann
       *
       */
      static class LogNothingLogChute implements LogChute {
  
          @Override
          public void init(RuntimeServices rs) throws Exception {
  
          }
  
          @Override
          public void log(int level, String message) {
  
          }
  
          @Override
          public void log(int level, String message, Throwable t) {
  
          }
  
          @Override
          public boolean isLevelEnabled(int level) {
              return false;
          }
  
      }
  
  }