/*
 * JBoss, Home of Professional Open Source.
 * Copyright 2006, Red Hat Middleware LLC, and individual contributors
 * as indicated by the @author tags. See the copyright.txt file 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.deployment.spi.beans;

import java.io.ByteArrayInputStream;
import java.io.InputStream;
import java.util.jar.JarOutputStream;

import javax.enterprise.deploy.model.DDBean;
import javax.enterprise.deploy.model.DDBeanRoot;
import javax.enterprise.deploy.model.DeployableObject;
import javax.enterprise.deploy.spi.DConfigBean;
import javax.enterprise.deploy.spi.DConfigBeanRoot;
import javax.enterprise.deploy.spi.exceptions.ConfigurationException;

import org.jboss.deployment.spi.DeploymentMetaData;
import org.jboss.deployment.spi.JarUtils;

/**
 * This class is a jboss-web config bean with only one required xpaths for its
 * deployment descriptor.
 *
 * The required xpath for this descriptor are: jboss-web/context-root
 * @author Rob Stryker
 * @version $Revision: 57190 $
 */
public class WarConfigBeanRoot extends JBossConfigBeanProxy implements DConfigBeanRoot
{

   public static final String jbossWebXml = "jboss-web";
   public static final String jbossWebLocation = "!/WEB-INF/jboss-web.xml";
   public static final String jbossWebLocationTrimmed = "jboss-web.xml";
   public static final String deployPlanElement = "deployPlan";
   public static final String contextRoot = "context-root";
   public static final String archiveName = "archive-name";

   public WarConfigBeanRoot(DDBeanRoot standard, DeployableObject deployable)
   {
      WarConfigBean bean = new WarConfigBean(standard, this, null);
      setBean(bean, deployable);
   }

   public DConfigBean getDConfigBean(DDBeanRoot arg0)
   {
      /*
       * Get the filename for this bean root and send along 
       * a configbean for that type.
       * 
       * This class assumes only one jboss-specific descriptor, 
       * so this method returns null.
       */
      return null;
   }

   private class WarConfigBean extends AbstractJBossConfigBean
   {
      public WarConfigBean(DDBean bean, DConfigBeanRoot root, ConfigBeanXPaths path)
      {
         super(bean, root, path);
      }

      protected ConfigBeanXPaths buildXPathList()
      {
         ConfigBeanXPaths pathRoot = new ConfigBeanXPaths("", null);

         // The constructor automatically sets parent and adds to child list of parent.
         new ConfigBeanXPaths(jbossWebXml, pathRoot);
         new ConfigBeanXPaths(deployPlanElement, pathRoot);
         return pathRoot;
      }

      public DConfigBean getDConfigBean(DDBean bean) throws ConfigurationException
      {
         // get a child bean
         String path = bean.getXpath();
         ConfigBeanXPaths cPath = (ConfigBeanXPaths)xpaths.get(path);
         if (cPath == null)
         {
            throw new ConfigurationException("Config Bean Not Found");
         }

         AbstractJBossConfigBean retBean = new JbossWebConfigBean(bean, this.myRoot, cPath);
         children.add(retBean);
         return retBean;
      }

      public void save(JarOutputStream jos, DeploymentMetaData metaData)
      {
         System.out.println("saving WarConfigBean");
         DDBean[] jbossWeb = myBean.getChildBean(jbossWebXml);
         DDBean[] deploymentPlan = myBean.getChildBean(deployPlanElement);
         if (jbossWeb.length == 0)
            return;
         if (deploymentPlan.length == 0)
            return;

         DDBean plan = deploymentPlan[0];
         String[] planNames = plan.getText(archiveName);
         if (planNames.length == 0)
            return;
         String warFileName = planNames[0];

         String webXml = jbossWeb[0].getText();
         System.out.println("name: " + warFileName);
         metaData.setDeploymentName(warFileName);
         InputStream stream = new ByteArrayInputStream(webXml.getBytes());
         try
         {
            JarUtils.addJarEntry(jos, jbossWebLocation, stream);
            metaData.addEntry(metaData.getDeploymentName(), jbossWebLocationTrimmed);
         }
         catch (Exception e)
         {
            System.out.println("ERROR HERE in SAVE: " + e.getMessage());
         }
      }

   }

   public class JbossWebConfigBean extends AbstractJBossConfigBean
   {
      private String stringPath;

      public JbossWebConfigBean(DDBean bean, DConfigBeanRoot root, ConfigBeanXPaths cPath)
      {
         super(bean, root, cPath);
      }

      protected ConfigBeanXPaths buildXPathList()
      {
         ConfigBeanXPaths pathRoot = new ConfigBeanXPaths("", null);
         if (this.myPath.getPath().equals(jbossWebXml))
            new ConfigBeanXPaths(contextRoot, pathRoot);
         else if (this.myPath.getPath().equals(deployPlanElement))
            new ConfigBeanXPaths(archiveName, pathRoot);
         return pathRoot;
      }

   }

}