package portal.struts.action.CCAP;

import java.io.IOException; 
import java.io.UnsupportedEncodingException; 

import javax.servlet.ServletConfig; 
import javax.servlet.ServletException; 
import javax.servlet.http.HttpServletRequest; 
import javax.servlet.http.HttpServletResponse; 

import org.eclipse.birt.core.exception.BirtException; 
import org.eclipse.birt.report.IBirtConstants; 
import org.eclipse.birt.report.service.BirtReportServiceFactory; 
import org.eclipse.birt.report.service.BirtViewerReportService; 
import org.eclipse.birt.report.servlet.BirtSoapMessageDispatcherServlet; 
import org.eclipse.birt.report.utility.BirtUtility; 
import org.eclipse.birt.report.utility.ParameterAccessor; 
import org.eclipse.birt.report.context.BirtContext; 
import org.eclipse.birt.report.context.IContext; 
import org.eclipse.birt.report.presentation.aggregation.IFragment; 
import org.eclipse.birt.report.presentation.aggregation.layout.FramesetFragment; 
import org.eclipse.birt.report.presentation.aggregation.layout.RunFragment; 
 
/** 

* Servlet implementation of BIRT Web Viewer. 
* <p> 
* There are four servlet mappings defined for ViewerServlet in the web.xml. 
* <ul> 
* <li>Frameset - Displays the whole web viewer frameset. (Public)</li> 
* <li>Run - Runs the report and displays the output as a stand-alone HTML 
* page, or as a PDF document. (Public)</li> 
* <li>Navigation - Displays the leftside navigation frame that contains the 
* report parameter page. (Internal)</li> 
* <li>Toolbar - Displays the toolbar above the report content. (Internal)</li> 
* </ul> 
* <p> 
* Each public mapping expects some URL parameters, 
* <ul> 
* <li>Frameset 
* <ul> 
* <li>__report</li> 
* <li>__locale</li> 
* <li><i>report parameter</i></li> 
* </ul> 
* <li>Run 
* <ul> 
* <li>__report</li> 
* <li>__format</li> 
* <li>__locale</li> 
* <li>__page</li> 
* <li><i>report parameter</i></li> 
* </ul> 
* </ul> 
* <p> 
* Each URL parameter is described below. <table border=1> 
* <tr> 
* <td><b>Parameter</b></td> 
* <td><b>Description</b></td> 
* <td><b>Values</b></td> 
* <td><b>Default</b></td> 
* </tr> 
* <tr> 
* <td>__report</td> 
* <td>The path to the report document</td> 
* <td> </td> 
* <td>required</td> 
* </tr> 
* <tr> 
* <td>__format</td> 
* <td>The output format</td> 
* <td>html or pdf</td> 
* <td>optional, default to html</td> 
* </tr> 
* <tr> 
* <td>__locale</td> 
* <td>Report locale</td> 
* <td>Java locale value such as en or ch-zh.</td> 
* <td>optional, default to JVM locale</td> 
* </tr> 
* <tr> 
* <td>__page</td> 
* <td>Report page number</td> 
* <td>Report page to be viewed.</td> 
* <td>optional, default to 0</td> 
* </tr> 
* <tr> 
* <td><i>reportParam</i></td> 
* <td>User defined report parameter.</td> 
* <td>As specified in the report design.</td> 
* <td>As specified in the report design.</td> 
* </tr> 
* </table> 
* <p> 
*/
public class ViewerServlet extends BirtSoapMessageDispatcherServlet 
{   
/**    
* TODO: what's this?  
*/ 
private static final long serialVersionUID = 1L; 
/**  
* Local initialization.   
*    
* @return    
*/
protected void __init( ServletConfig config )    
{
	System.out.println("inside of ViewerServlet init");
BirtReportServiceFactory.init( new BirtViewerReportService( config.getServletContext( ) ) ); 
// handle 'frameset' pattern     
viewer = new FramesetFragment( );   
viewer.buildComposite( );   
viewer.setJSPRootPath( "/birt" ); //$NON-NLS-1$ 

// handle 'run' pattern    
run = new RunFragment( );       
run.buildComposite( );  
run.setJSPRootPath( "/birt" ); //$NON-NLS-1$  
System.out.println("leaving init");
} 

 

/** 
* Init context. 
*  
* @param request 
*            incoming http request  
* @param response 
*            http response 
* @exception BirtException 
* @return IContext 
*/
   
protected IContext __getContext( HttpServletRequest request,      
HttpServletResponse response ) throws BirtException 
{
	System.out.println("inside of ViewerServlet getContext");
BirtReportServiceFactory.getReportService( ).setContext(getServletContext( ), null ); 
System.out.println("about to return/leave getContext");
return new BirtContext( request, response );

} 

/** 

* Local process http request with GET method. 
*  
* @param request  
*            incoming http request 
* @param response 
*            http response 
* @exception ServletException 
* @exception IOException 
* @return  
*/
   
protected void __doGet( IContext context ) throws ServletException,      
IOException, BirtException 
{ 
	System.out.println("inside of ViewerServlet doGet");
IFragment activeFragment = null;    
String servletPath = context.getRequest( ).getServletPath( );
System.out.println("before if #1 doGet");
if ( IBirtConstants.SERVLET_PATH_FRAMESET.equalsIgnoreCase( servletPath ) )   
{        
	System.out.println("in first if clause of if#1 doGet");
activeFragment = viewer; 
}else if ( IBirtConstants.SERVLET_PATH_RUN.equalsIgnoreCase( servletPath ) ) 
{   
	System.out.println("2nd if clause of if#1 doGet");
activeFragment = run; 
}
System.out.println("right before if#2 doGet");
if ( activeFragment != null )
{
	System.out.println("inside if#2 doGet");
activeFragment.service( context.getRequest( ), context.getResponse( ) );
}
System.out.println("about to leave doGet");
} 
 

/** 
* Locale process http request with POST method. Four different servlet 
* paths are expected: "/frameset", "/navigation", "/toolbar", and "/run".   
*  
* @param request 
*            incoming http request 
* @param response 
*            http response 
* @exception ServletException 
* @exception IOException 
* @return 
*/

protected void __doPost( IContext context ) throws ServletException,   
IOException, BirtException 
{ 
	System.out.println("inside of ViewerServlet doPost. nothing else here");
} 

/** 
* Local authentication. Always returns true. 
*  
* @param request 
*            incoming http request 
* @param response 
*            http response  
* @return 
*/

protected boolean __authenticate( HttpServletRequest request,       
HttpServletResponse response ) 
{ 
	System.out.println("inside of ViewerServlet authenticate.  only a return true below");
return true; 
} 

/** 
* Process exception for non soap request. 
*  
* @param request 
*            incoming http request 
* @param response 
*            http response 
* @param exception 
* @throws ServletException 
* @throws IOException 
*/
  
protected void __handleNonSoapException( HttpServletRequest request,      
HttpServletResponse response, Exception exception )       
throws ServletException, IOException 
{ 
exception.printStackTrace( );    
BirtUtility.appendErrorMessage( response.getOutputStream( ), exception ); 
} 
}