/*
* This program is free software; you can redistribute it and/or modify it under the
* terms of the GNU General Public License, version 2 as published by the Free Software
* Foundation.
*
* You should have received a copy of the GNU General Public License along with this
* program; if not, you can obtain a copy at http://www.gnu.org/licenses/gpl-2.0.html
* or from the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*
* This program 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.
*
*
* Copyright 2006 - 2013 Pentaho Corporation. All rights reserved.
*/
package org.pentaho.platform.uifoundation.contentgen;
import org.pentaho.platform.api.engine.IMessageFormatter;
import org.pentaho.platform.api.engine.IOutputHandler;
import org.pentaho.platform.api.engine.IParameterProvider;
import org.pentaho.platform.api.engine.IUITemplater;
import org.pentaho.platform.api.repository.IContentItem;
import org.pentaho.platform.engine.core.system.PentahoSystem;
import org.pentaho.platform.engine.services.solution.BaseContentGenerator;
import org.pentaho.platform.uifoundation.messages.Messages;
import java.io.OutputStream;
public abstract class BaseXmlContentGenerator extends BaseContentGenerator {
private static final long serialVersionUID = 2272261269875005948L;
protected IParameterProvider requestParameters;
protected IParameterProvider sessionParameters;
protected abstract String getContent() throws Exception;
@Override
public void createContent() throws Exception {
requestParameters = this.parameterProviders.get( IParameterProvider.SCOPE_REQUEST );
sessionParameters = this.parameterProviders.get( IParameterProvider.SCOPE_SESSION );
String content = getContent();
if ( content == null ) {
StringBuffer buffer = new StringBuffer();
PentahoSystem.get( IMessageFormatter.class, userSession ).formatErrorMessage(
"text/html", Messages.getInstance().getErrorString( "UI.ERROR_0001_CONTENT_ERROR" ), messages, buffer ); //$NON-NLS-1$ //$NON-NLS-2$
content = buffer.toString();
}
String intro = ""; //$NON-NLS-1$
String footer = ""; //$NON-NLS-1$
IUITemplater templater = PentahoSystem.get( IUITemplater.class, userSession );
if ( templater != null ) {
String[] sections = templater.breakTemplate( "template.html", "", userSession ); //$NON-NLS-1$ //$NON-NLS-2$
if ( sections != null && sections.length > 0 ) {
intro = sections[0];
}
if ( sections != null && sections.length > 1 ) {
footer = sections[1];
}
} else {
intro = Messages.getInstance().getString( "UI.ERROR_0002_BAD_TEMPLATE_OBJECT" ); //$NON-NLS-1$
}
IContentItem contentItem =
outputHandler.getOutputContentItem( IOutputHandler.RESPONSE, IOutputHandler.CONTENT, null, "text/html" ); //$NON-NLS-1$
OutputStream outputStream = contentItem.getOutputStream( null );
outputStream.write( intro.getBytes() );
outputStream.write( content.getBytes() );
outputStream.write( footer.getBytes() );
}
}