Simple Execute

Simple Execute

This example demonstrate using the RE API to run and render a report design to HTML. Add comments at the bottom of the example.

Source

import java.util.HashMap;
import java.util.logging.Level;

import org.eclipse.birt.core.framework.Platform;
import org.eclipse.birt.report.engine.api.EngineConfig;
import org.eclipse.birt.report.engine.api.EngineConstants;
import org.eclipse.birt.report.engine.api.EngineException;
import org.eclipse.birt.report.engine.api.HTMLActionHandler;
import org.eclipse.birt.report.engine.api.HTMLEmitterConfig;
import org.eclipse.birt.report.engine.api.HTMLRenderContext;
import org.eclipse.birt.report.engine.api.HTMLRenderOption;
import org.eclipse.birt.report.engine.api.HTMLServerImageHandler;
import org.eclipse.birt.report.engine.api.IReportEngine;
import org.eclipse.birt.report.engine.api.IReportEngineFactory;
import org.eclipse.birt.report.engine.api.IReportRunnable;
import org.eclipse.birt.report.engine.api.IRunAndRenderTask;
public class ExecuteReport {

static void executeReport() throws EngineException
{
 HashMap<String, Integer> parameters = new HashMap<String, Integer>();

 String name = "Top Count";
       Integer pvalue = new Integer(4);
 parameters.put(name, pvalue);
 
 IReportEngine engine=null;
 EngineConfig config = null;
 try{
  
  //Configure the Engine and start the Platform
  config = new EngineConfig( );
  config.setEngineHome( "C:/birt-runtime-2_1_0/birt-runtime-2_1_0/ReportEngine" );
  config.setLogConfig(null, Level.FINE);
  
  Platform.startup( config );
  IReportEngineFactory factory = (IReportEngineFactory) Platform
    .createFactoryObject( IReportEngineFactory.EXTENSION_REPORT_ENGINE_FACTORY );
  engine = factory.createReportEngine( config );
  engine.changeLogLevel( Level.WARNING );
  
 }catch( Exception ex){
  ex.printStackTrace();
 }
 
 //Configure the emitter to handle actions and images
 HTMLEmitterConfig emitterConfig = new HTMLEmitterConfig( );
 emitterConfig.setActionHandler( new HTMLActionHandler( ) );
 HTMLServerImageHandler imageHandler = new HTMLServerImageHandler( );
 emitterConfig.setImageHandler( imageHandler );
 config.getEmitterConfigs( ).put( "html", emitterConfig ); //$NON-NLS-1$
 
 IReportRunnable design = null;
 
 //Open the report design
 design = engine.openReportDesign("C:/test/2.1/executereport/test.rptdesign"); 
 
 //Create task to run and render the report,
 IRunAndRenderTask task = engine.createRunAndRenderTask(design); 
 
 
 //Set Render context to handle url and image locataions
 HTMLRenderContext renderContext = new HTMLRenderContext();
 //Set the Base URL for all actions
 renderContext.setBaseURL("http://localhost/");
 //Tell the Engine to prepend all images with this URL - Note this requires using the HTMLServerImageHandler
 renderContext.setBaseImageURL("http://localhost/myimages");
 //Tell the Engine where to write the images to
 renderContext.setImageDirectory("C:/xampplite/htdocs/myimages");
 //Tell the Engine what image formats are supported.  Note you must have SVG in the string 
 //to render charts in SVG.
 renderContext.setSupportedImageFormats("JPG;PNG;BMP;SVG");
 HashMap<String, HTMLRenderContext> contextMap = new HashMap<String, HTMLRenderContext>();
 contextMap.put( EngineConstants.APPCONTEXT_HTML_RENDER_CONTEXT, renderContext );
 task.setAppContext( contextMap );
 //Set parameters for the report
 task.setParameterValues(parameters);
 //Alternatively set each seperately
 //task.setParameterValue("Top Count", new Integer(12));
 task.validateParameters();
 
 //Add a scriptable object, which will allow the report developer to put
 //script in the report that references this Java object. eg in script 
 //pFilter.myjavamethod()
 //ProcessFilter pf = new ProcessFilter();
 //task.addScriptableJavaObject("pFilter", pf);
 
 //Set rendering options - such as file or stream output, 
 //output format, whether it is embeddable, etc
 HTMLRenderOption options = new HTMLRenderOption();
 
 //Remove HTML and Body tags
 //options.setEmbeddable(true);
 
 //Set ouptut location
 options.setOutputFileName("C:/test/2.1/output.html");
 
 //Set output format
 options.setOutputFormat("html");
 task.setRenderOption(options);
 
 //run the report and destroy the engine
 //Note - If the program stays resident do not shutdown the Platform or the Engine
 task.run();
 task.close();
 engine.shutdown();
 Platform.shutdown();
 System.out.println("Finished");
} 
/**
 * @param args
 */
public static void main(String[] args) {
 try
 {
  executeReport( );
 }
 catch ( Exception e )
 {
  e.printStackTrace();
 }
}
 
}

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