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fr.opensagres.xdocreport.document.web.dispatcher.ProcessDispatcherXDocReportServlet Maven / Gradle / Ivy
/**
* Copyright (C) 2011-2015 The XDocReport Team
*
* All rights reserved.
*
* Permission is hereby granted, free of charge, to any person obtaining
* a copy of this software and associated documentation files (the
* "Software"), to deal in the Software without restriction, including
* without limitation the rights to use, copy, modify, merge, publish,
* distribute, sublicense, and/or sell copies of the Software, and to
* permit persons to whom the Software is furnished to do so, subject to
* the following conditions:
*
* The above copyright notice and this permission notice shall be
* included in all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
* LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
* OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
* WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
*/
package fr.opensagres.xdocreport.document.web.dispatcher;
import java.io.IOException;
import java.io.InputStream;
import java.util.ArrayList;
import java.util.List;
import javax.servlet.ServletConfig;
import javax.servlet.ServletException;
import javax.servlet.http.HttpServletRequest;
import fr.opensagres.xdocreport.core.XDocReportException;
import fr.opensagres.xdocreport.core.utils.StringUtils;
import fr.opensagres.xdocreport.document.IXDocReport;
import fr.opensagres.xdocreport.document.dispatcher.IXDocReportDispatcher;
import fr.opensagres.xdocreport.document.web.AbstractProcessXDocReportServlet;
import fr.opensagres.xdocreport.template.IContext;
import fr.opensagres.xdocreport.template.formatter.FieldsMetadata;
public class ProcessDispatcherXDocReportServlet
extends AbstractProcessXDocReportServlet
{
private static final long serialVersionUID = -1568586154827821538L;
protected final List> dispatchers = new ArrayList>();
@Override
public void init( ServletConfig config )
throws ServletException
{
super.init( config );
String dispatchers = config.getInitParameter( "dispatchers" );
if ( StringUtils.isNotEmpty( dispatchers ) )
{
String clazz = null;
String[] classes = dispatchers.split( "," );
for ( int i = 0; i < classes.length; i++ )
{
clazz = classes[i];
try
{
Object instance = getClass().getClassLoader().loadClass( clazz ).newInstance();
registerDispatcher( (IXDocReportDispatcher) instance );
}
catch ( Throwable e )
{
// TODO : manage error
e.printStackTrace();
}
}
}
}
public void registerDispatcher( IXDocReportDispatcher dispatcher )
{
dispatchers.add( dispatcher );
}
public void unregisterDispatcher( IXDocReportDispatcher dispatcher )
{
dispatchers.remove( dispatcher );
}
@Override
protected InputStream getSourceStream( String reportId, HttpServletRequest request )
throws IOException, XDocReportException
{
for ( IXDocReportDispatcher dispatcher : dispatchers )
{
InputStream in = dispatcher.getSourceStream( reportId );
if ( in != null )
{
return in;
}
}
return null;
}
@Override
protected String getTemplateEngineKind( HttpServletRequest request )
{
for ( IXDocReportDispatcher dispatcher : dispatchers )
{
String templateEngineId = dispatcher.getTemplateEngineKind( getReportId( request ) );
if ( StringUtils.isNotEmpty( templateEngineId ) )
{
return templateEngineId;
}
}
// Use default template engine
return super.getTemplateEngineKind( request );
}
@Override
protected FieldsMetadata getFieldsMetadata( String reportId, HttpServletRequest request )
{
for ( IXDocReportDispatcher dispatcher : dispatchers )
{
FieldsMetadata fieldsMetadata = dispatcher.getFieldsMetadata( reportId );
if ( fieldsMetadata != null )
{
return fieldsMetadata;
}
}
return super.getFieldsMetadata( reportId, request );
}
@Override
protected boolean isCacheReport( String reportId, HttpServletRequest request )
{
for ( IXDocReportDispatcher dispatcher : dispatchers )
{
Boolean cacheReport = dispatcher.isCacheReport( reportId );
if ( cacheReport != null )
{
return cacheReport;
}
}
return super.isCacheReport( reportId, request );
}
@Override
protected void populateContext( IContext context, String reportId, HttpServletRequest request )
throws IOException, XDocReportException
{
IXDocReport report = super.getRegistry( request ).getReport( reportId );
if ( report != null )
{
populateContext( context, report, request );
}
}
protected void populateContext( IContext context, IXDocReport report, HttpServletRequest request )
{
String reportId = report.getId();
for ( IXDocReportDispatcher dispatcher : dispatchers )
{
IXDocReportWEBController controler = (IXDocReportWEBController) dispatcher.getReportController( reportId );
if ( controler != null )
{
controler.populateContext( context, report, request );
}
}
}
}