/*==========================================================================*\
| $Id: ReportPageContent.java,v 1.1 2010/05/11 14:51:48 aallowat Exp $
|*-------------------------------------------------------------------------*|
| Copyright (C) 2006-2008 Virginia Tech
|
| This file is part of Web-CAT.
|
| Web-CAT is free software; you can redistribute it and/or modify
| it under the terms of the GNU Affero General Public License as published
| by the Free Software Foundation; either version 3 of the License, or
| (at your option) any later version.
|
| Web-CAT 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 General Public License for more details.
|
| You should have received a copy of the GNU Affero General Public License
| along with Web-CAT; if not, see <http://www.gnu.org/licenses/>.
\*==========================================================================*/
package org.webcat.reporter;
import java.io.File;
import java.io.FileInputStream;
import java.io.IOException;
import org.apache.log4j.Logger;
import org.eclipse.birt.report.engine.api.IReportDocument;
import com.webobjects.appserver.WOComponent;
import com.webobjects.appserver.WOContext;
import com.webobjects.appserver.WOResponse;
import com.webobjects.foundation.NSData;
//-------------------------------------------------------------------------
/**
* A component that displays the contents of a page in a rendered report.
*
* @author Tony Allevato
* @version $Id: ReportPageContent.java,v 1.1 2010/05/11 14:51:48 aallowat Exp $
*/
public class ReportPageContent extends WOComponent
{
//~ Constructor ...........................................................
// ----------------------------------------------------------
/**
* Create a new page.
* @param context The page's context
*/
public ReportPageContent(WOContext context)
{
super(context);
}
//~ KVC Attributes (must be public) .......................................
public GeneratedReport report;
public int pageNumber;
//~ Methods ...............................................................
// ----------------------------------------------------------
public void appendToResponse(WOResponse response, WOContext context)
{
try
{
// Render the page on demand if it hasn't already been rendered.
ReportPageRenderer renderer = ReportPageRenderer.getInstance();
if (!renderer.isPageRendered(report, pageNumber))
{
String baseURL = context.directActionURLForActionNamed(
"reportResource/image", null);
DirectActionHTMLImageHandler imageHandler =
new DirectActionHTMLImageHandler(report, baseURL);
IReportDocument document = report.openReportDocument();
renderer.renderPage(report, imageHandler, pageNumber);
document.close();
}
// Dump the contents of the report page out to the response.
String htmlPath = report.renderedHTMLPagePath(pageNumber);
File htmlFile = new File(htmlPath);
NSData htmlData = new NSData(
new FileInputStream(htmlFile), (int)htmlFile.length());
response.appendContentData(htmlData);
}
catch (IOException e)
{
log.error("An error occurred while reading the rendered report", e);
response.appendContentString("<p>There was an error reading the " +
"rendered report contents.</p>");
}
super.appendToResponse(response, context);
}
//~ Instance/static variables .............................................
private static Logger log = Logger.getLogger(ReportPageContent.class);
}