Thread: [Ejtools-cvs] CVS: libraries/common/src/main/net/sourceforge/ejtools/servlet/http CharResponseWrappe

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Update of /cvsroot/ejtools/libraries/common/src/main/net/sourceforge/ejtools/servlet/http
In directory usw-pr-cvs1:/tmp/cvs-serv1397/common/src/main/net/sourceforge/ejtools/servlet/http

Modified Files:
	CharResponseWrapper.java StringResponseWrapper.java 
	XSLFilter.java 
Log Message:
Add some JavaDocs

Index: CharResponseWrapper.java
===================================================================
RCS file: /cvsroot/ejtools/libraries/common/src/main/net/sourceforge/ejtools/servlet/http/CharResponseWrapper.java,v
retrieving revision 1.2
retrieving revision 1.3
diff -C2 -d -r1.2 -r1.3
*** CharResponseWrapper.java	30 Apr 2002 21:07:38 -0000	1.2
--- CharResponseWrapper.java	2 May 2002 19:25:54 -0000	1.3
***************
*** 1,7 ****
  /*
!  *  EJTools, the Enterprise Java Tools
   *
!  *  Distributable under LGPL license.
!  *  See terms of license at gnu.org.
   */
  package net.sourceforge.ejtools.servlet.http;
--- 1,7 ----
  /*
!  * EJTools, the Enterprise Java Tools
   *
!  * Distributable under LGPL license.
!  * See terms of license at gnu.org.
   */
  package net.sourceforge.ejtools.servlet.http;
***************
*** 14,40 ****

  /**
!  *  Description of the Interface
   *
!  * @author     laurent
!  * @created    11 avril 2002
   */
  public class CharResponseWrapper extends HttpServletResponseWrapper
  {
! 	protected CharArrayWriter output = null;

- 	public CharResponseWrapper(HttpServletResponse response)
- 	{
- 		super(response);
- 		output = new CharArrayWriter();
- 	}

! 	public String toString()
! 	{
! 		return output.toString();
! 	}

! 	public PrintWriter getWriter()
! 	{
! 		return new PrintWriter(output);
! 	}
  }
--- 14,61 ----

  /**
!  * A Response wrapper that allows the manipulation of the Servlet Response.
!  * Create a buffer based on a Char array.
   *
!  * @author    letiemble
!  * @created   11 avril 2002
!  * @version   $Revision$
   */
  public class CharResponseWrapper extends HttpServletResponseWrapper
  {
!    /** Buffer used to store content */
!    protected CharArrayWriter output = null;

!    /**
!     * Constructor for the CharResponseWrapper object
!     *
!     * @param response  Response stream to wrap
!     */
!    public CharResponseWrapper(HttpServletResponse response)
!    {
!       super(response);
!       output = new CharArrayWriter();
!    }

! 
!    /**
!     * Return a writer that wraps the buffered content
!     *
!     * @return   The writer of the wrapper
!     */
!    public PrintWriter getWriter()
!    {
!       return new PrintWriter(output);
!    }
! 
! 
!    /**
!     * Return the content of the buffer
!     *
!     * @return   The content as String
!     */
!    public String toString()
!    {
!       return output.toString();
!    }
  }

Index: StringResponseWrapper.java
===================================================================
RCS file: /cvsroot/ejtools/libraries/common/src/main/net/sourceforge/ejtools/servlet/http/StringResponseWrapper.java,v
retrieving revision 1.2
retrieving revision 1.3
diff -C2 -d -r1.2 -r1.3
*** StringResponseWrapper.java	30 Apr 2002 21:07:38 -0000	1.2
--- StringResponseWrapper.java	2 May 2002 19:25:54 -0000	1.3
***************
*** 1,7 ****
  /*
!  *  EJTools, the Enterprise Java Tools
   *
!  *  Distributable under LGPL license.
!  *  See terms of license at gnu.org.
   */
  package net.sourceforge.ejtools.servlet.http;
--- 1,7 ----
  /*
!  * EJTools, the Enterprise Java Tools
   *
!  * Distributable under LGPL license.
!  * See terms of license at gnu.org.
   */
  package net.sourceforge.ejtools.servlet.http;
***************
*** 14,40 ****

  /**
!  *  Description of the Interface
   *
!  * @author     laurent
!  * @created    11 avril 2002
   */
  public class StringResponseWrapper extends HttpServletResponseWrapper
  {
! 	protected StringWriter output = null;

- 	public StringResponseWrapper(HttpServletResponse response)
- 	{
- 		super(response);
- 		output = new StringWriter();
- 	}

! 	public String toString()
! 	{
! 		return output.toString();
! 	}

! 	public PrintWriter getWriter()
! 	{
! 		return new PrintWriter(output);
! 	}
  }
--- 14,61 ----

  /**
!  * A Response wrapper that allows the manipulation of the Servlet Response.
!  * Create a buffer based on a String.
   *
!  * @author    letiemble
!  * @created   11 avril 2002
!  * @version   $Revision$
   */
  public class StringResponseWrapper extends HttpServletResponseWrapper
  {
!    /** Buffer used to store content */
!    protected StringWriter output = null;

!    /**
!     * Constructor for the StringResponseWrapper object
!     *
!     * @param response  Response stream to wrap
!     */
!    public StringResponseWrapper(HttpServletResponse response)
!    {
!       super(response);
!       output = new StringWriter();
!    }

! 
!    /**
!     * Return a writer that wraps the buffered content
!     *
!     * @return   The writer of the wrapper
!     */
!    public PrintWriter getWriter()
!    {
!       return new PrintWriter(output);
!    }
! 
! 
!    /**
!     * Return the content of the buffer
!     *
!     * @return   The content as String
!     */
!    public String toString()
!    {
!       return output.toString();
!    }
  }

Index: XSLFilter.java
===================================================================
RCS file: /cvsroot/ejtools/libraries/common/src/main/net/sourceforge/ejtools/servlet/http/XSLFilter.java,v
retrieving revision 1.3
retrieving revision 1.4
diff -C2 -d -r1.3 -r1.4
*** XSLFilter.java	30 Apr 2002 21:07:38 -0000	1.3
--- XSLFilter.java	2 May 2002 19:25:54 -0000	1.4
***************
*** 1,7 ****
  /*
!  *  EJTools, the Enterprise Java Tools
   *
!  *  Distributable under LGPL license.
!  *  See terms of license at gnu.org.
   */
  package net.sourceforge.ejtools.servlet.http;
--- 1,7 ----
  /*
!  * EJTools, the Enterprise Java Tools
   *
!  * Distributable under LGPL license.
!  * See terms of license at gnu.org.
   */
  package net.sourceforge.ejtools.servlet.http;
***************
*** 25,97 ****
  import javax.xml.transform.stream.StreamSource;

  /**
!  *  Description of the Interface
   *
!  * @author     laurent
!  * @created    11 avril 2002
   */
  public class XSLFilter implements Filter
  {
! 	protected Transformer transformer = null;
! 	protected String stylePath = null;
! 	protected String contentType = null;
! 	protected FilterConfig config = null;

- 	public void init(FilterConfig config) throws ServletException
- 	{
- 		this.config = config;

! 		this.contentType = config.getInitParameter("mime-type");
! 		System.out.println("Acquiring parameter mime-type=" + contentType);
! 		String styleSheet = config.getInitParameter("stylesheet");
! 		System.out.println("Acquiring parameter stylesheet=" + styleSheet);
! 		String stylePath = config.getServletContext().getRealPath(styleSheet);

- 		try
- 		{
- 			System.out.println("Compiling stylesheet...");
- 			TransformerFactory tFactory = TransformerFactory.newInstance();
- 			transformer = tFactory.newTransformer(new StreamSource(stylePath));
- 		}
- 		catch (Exception e)
- 		{
- 			System.out.println(e.toString());
- 		}
- 	}

! 	public void destroy()
! 	{
! 		this.config = null;
! 	}

! 	public void doFilter(ServletRequest request, ServletResponse response, FilterChain chain) throws IOException, ServletException
! 	{
! 		response.setContentType(contentType);
! 		PrintWriter out = response.getWriter();

! 		StringResponseWrapper wrapper = new StringResponseWrapper((HttpServletResponse) response);
! 		chain.doFilter(request, wrapper);

! 		StringReader reader = new StringReader(wrapper.toString());
! 		Source source = new StreamSource(reader);

! 		try
! 		{
! 			System.out.println("Creating Writer...");
! 			StringWriter writer = new StringWriter();
! 			StreamResult result = new StreamResult(writer);

! 			System.out.println("Applying stylesheet...");
! 			transformer.transform(source, result);

! 			System.out.println("Ouputing...");
! 			response.setContentLength(writer.toString().length());
! 			out.println(writer.toString());
! 		}
! 		catch (Exception e)
! 		{
! 			out.println(e.toString());
! 			out.println(wrapper.toString());
! 		}
! 	}
  }
--- 25,140 ----
  import javax.xml.transform.stream.StreamSource;

+ import org.apache.log4j.Category;
+ 
  /**
!  * HTTP Servlet filter that applies a XSL stylesheet on a XML stream.
   *
!  * @author    letiemble
!  * @created   11 avril 2002
!  * @version   $Revision$
   */
  public class XSLFilter implements Filter
  {
!    /** Filter configuration */
!    protected FilterConfig config = null;
!    /** Content type of the output */
!    protected String contentType = null;
!    /** Absolute path the stylesheet */
!    protected String stylePath = null;
!    /** XSL transformer */
!    protected Transformer transformer = null;
!    /** Log4j Logger */
!    protected static Category logger = Category.getInstance(XSLFilter.class);

!    /** Destroy the filter */
!    public void destroy()
!    {
!       this.config = null;
!    }

!    /**
!     * Main method of the filter
!     *
!     * @param request               Incoming request
!     * @param response              Outgoing response
!     * @param chain                 Filter chain to forward the request and the
!     *      response
!     * @exception IOException       In case of error
!     * @exception ServletException  In case of error
!     */
!    public void doFilter(ServletRequest request, ServletResponse response, FilterChain chain) throws IOException, ServletException
!    {
!       // Set content type and get the original response
!       response.setContentType(contentType);
!       PrintWriter out = response.getWriter();

!       // Wrap the response with a buffer and follow the chain
!       StringResponseWrapper wrapper = new StringResponseWrapper((HttpServletResponse) response);
!       chain.doFilter(request, wrapper);

!       // Create a reader with the result
!       StringReader reader = new StringReader(wrapper.toString());
!       Source source = new StreamSource(reader);

!       try
!       {
!          // Create the final response writer
!          logger.debug("Creating Writer...");
!          StringWriter writer = new StringWriter();
!          StreamResult result = new StreamResult(writer);

!          // Transform according to XSL stylesheet
!          logger.debug("Applying stylesheet...");
!          transformer.transform(source, result);

!          // Print out the result
!          logger.debug("Ouputing...");
!          response.setContentLength(writer.toString().length());
!          out.println(writer.toString());
!       }
!       catch (Exception e)
!       {
!          logger.error("Error during transformation " + e.getMessage());
!          out.println(wrapper.toString());
!       }
!    }

! 
!    /**
!     * Performs the initialization of the filter
!     *
!     * @param config                The filter configuration
!     * @exception ServletException  Exception thrown if the filter was not
!     *      properly configured
!     */
!    public void init(FilterConfig config) throws ServletException
!    {
!       this.config = config;
! 
!       // Get the content type
!       this.contentType = config.getInitParameter("mime-type");
!       logger.debug("Acquiring parameter mime-type=" + contentType);
! 
!       // Get the stylesheet
!       String styleSheet = config.getInitParameter("stylesheet");
!       logger.debug("Acquiring parameter stylesheet=" + styleSheet);
! 
!       // Set the absolute position of the stylesheet
!       String stylePath = config.getServletContext().getRealPath(styleSheet);
! 
!       try
!       {
!          // Prepare the XSL transformer
!          logger.debug("Compiling stylesheet...");
!          TransformerFactory tFactory = TransformerFactory.newInstance();
!          transformer = tFactory.newTransformer(new StreamSource(stylePath));
!       }
!       catch (Exception e)
!       {
!          logger.fatal("Failed to init the filter " + e.getMessage());
!          throw new ServletException(e.getMessage());
!       }
!    }
  }

Thread: [Ejtools-cvs] CVS: libraries/common/src/main/net/sourceforge/ejtools/servlet/http CharResponseWrappe

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