cvs commit: jakarta-jetspeed-2/portal/src/java/org/apache/jetspeed/deployment/impl VFSDeploymentObject.java

[we...@apache.org]

weaver      2004/07/02 07:07:32

  Added:       portal/src/java/org/apache/jetspeed/deployment/impl
                        VFSDeploymentObject.java
  Log:
  Impl. of DeploymentObject that uses VFS to manipulate the deployment artifact.
  
  Revision  Changes    Path
  1.1                  jakarta-jetspeed-2/portal/src/java/org/apache/jetspeed/deployment/impl/VFSDeploymentObject.java
  
  Index: VFSDeploymentObject.java
  ===================================================================
  /*
   * Created on Jun 25, 2004
   *
   * TODO To change the template for this generated file go to
   * Window - Preferences - Java - Code Generation - Code and Comments
   */
  package org.apache.jetspeed.deployment.impl;
  
  import java.io.File;
  import java.io.FileNotFoundException;
  import java.io.IOException;
  import java.io.InputStream;
  import java.io.InputStreamReader;
  import java.io.Reader;
  
  import org.apache.commons.vfs.FileObject;
  import org.apache.commons.vfs.FileSystemException;
  import org.apache.commons.vfs.FileSystemManager;
  import org.apache.commons.vfs.FileType;
  import org.apache.jetspeed.deployment.DeploymentObject;
  
  /**
   * @author scott
   *
   * TODO To change the template for this generated type comment go to
   * Window - Preferences - Java - Code Generation - Code and Comments
   */
  public class VFSDeploymentObject implements DeploymentObject
  {
      
      protected FileSystemManager fsManager;
      protected String path;
      protected String name;
      protected FileObject fsStructure;
  
      /**
       * @throws IOException
       * 
       */
      public VFSDeploymentObject(String path, FileSystemManager fsManager) throws IOException
      {
         this(new File(path), fsManager);      
      }
      
      public VFSDeploymentObject(File deployArtifact, FileSystemManager fsManager) throws IOException
      {
          if(!deployArtifact.exists())
          {
              throw new FileNotFoundException("The deployment artifact "+deployArtifact.getAbsolutePath()+" does not exist");
          }
          this.name = deployArtifact.getName();
          this.fsManager = fsManager;
          path = deployArtifact.getAbsolutePath();
          FileObject fsObject = fsManager.toFileObject(deployArtifact);
          if(fsObject.getType().equals(FileType.FILE))
          {            
              try
              {
                  fsStructure = fsManager.createFileSystem(fsObject);
              }
              catch (FileSystemException e)
              {
                  // This is here to prevent non-archive files from blowing us up
                  fsStructure = fsObject;
              }
          }
          else
          {
              fsStructure = fsObject;
          }
                  
      }
  
      /**
       * <p>
       * getAsStream
       * </p>
       *
       * @see org.apache.jetspeed.deployment.DeploymentObject#getAsStream()
       * @return
       * @throws IOException
       */
      public InputStream getAsStream() throws IOException
      {       
          return fsStructure.getContent().getInputStream();
      }
  
      /**
       * <p>
       * getAsReader
       * </p>
       *
       * @see org.apache.jetspeed.deployment.DeploymentObject#getAsReader()
       * @return
       * @throws IOException
       */
      public Reader getAsReader() throws IOException
      {
          return new InputStreamReader(getAsStream());
      }
  
      /**
       * <p>
       * close
       * </p>
       *
       * @see org.apache.jetspeed.deployment.DeploymentObject#close()
       * @throws IOException
       */
      public void close() throws IOException
      {
          fsStructure.close();
      }
  
      /**
       * <p>
       * getConfiguration
       * </p>
       *
       * @see org.apache.jetspeed.deployment.DeploymentObject#getConfiguration(java.lang.String)
       * @param configPath
       * @return
       * @throws IOException
       */
      public InputStream getConfiguration( String configPath ) throws IOException
      {       
          try
          {
              FileObject configObj = fsStructure.resolveFile(configPath);
              if(configObj != null && configObj.exists())
              {
                  return configObj.getContent().getInputStream();
              }
              else
              {
                  return null;
              }
          }
          catch (FileSystemException e)
          {
             return null;
          }
         
      }
  
      /**
       * <p>
       * getName
       * </p>
       *
       * @see org.apache.jetspeed.deployment.DeploymentObject#getName()
       * @return
       */
      public String getName()
      {
          return name;
      }
      /**
       * <p>
       * getPath
       * </p>
       *
       * @see org.apache.jetspeed.deployment.DeploymentObject#getPath()
       * @return
       */
      public String getPath()
      {
          return path;
      }
      /**
       * <p>
       * getFileObject
       * </p>
       *
       * @see org.apache.jetspeed.deployment.DeploymentObject#getFileObject()
       * @return
       */
      public FileObject getFileObject()
      {       
          return fsStructure;
      }
  }
  
  
  

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