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Difference between revisions of "Java - Simple Design Engine API (BIRT)"

(New page: == Java - Simple Design Engine API == This example demonstrate using the DE API to create a simple report. Add comments at the bottom of the example. Moved from the old Design Engine API...)
 
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Revision as of 12:57, 9 April 2007

Java - Simple Design Engine API

This example demonstrate using the DE API to create a simple report. Add comments at the bottom of the example.

Moved from the old Design Engine API area.

BIRT Design Engine API Return to the BIRT Design Engine API examples

Source

SimpleCreate.java

import java.io.IOException;

import org.eclipse.birt.core.framework.Platform;
import org.eclipse.birt.report.model.api.CellHandle;
import org.eclipse.birt.report.model.api.DesignConfig;
import org.eclipse.birt.report.model.api.DesignElementHandle;
import org.eclipse.birt.report.model.api.ElementFactory;
import org.eclipse.birt.report.model.api.GridHandle;
import org.eclipse.birt.report.model.api.IDesignEngine;
import org.eclipse.birt.report.model.api.IDesignEngineFactory;
import org.eclipse.birt.report.model.api.ImageHandle;
import org.eclipse.birt.report.model.api.LabelHandle;
import org.eclipse.birt.report.model.api.ReportDesignHandle;
import org.eclipse.birt.report.model.api.RowHandle;
import org.eclipse.birt.report.model.api.SessionHandle;
import org.eclipse.birt.report.model.api.activity.SemanticException; 

import com.ibm.icu.util.ULocale;

/**
 * Simple BIRT Design Engine API (DEAPI) demo.
 */

public class SimpleCreate
{

 	public static void main( String[] args )
	{
		try
		{
			buildReport( );
		}
		catch ( IOException e )
		{
			// TODO Auto-generated catch block
			e.printStackTrace();
		}
		catch ( SemanticException e )
		{
			// TODO Auto-generated catch block
			e.printStackTrace();
		}
	}
	
	// This function shows how to build a very simple BIRT report with a
	// minimal set of content: a simple grid with an image and a label.
 	
	static void buildReport( ) throws IOException, SemanticException
	{
		// Create a session handle. This is used to manage all open designs.
		// Your app need create the session only once.
 		
 		//Configure the Engine and start the Platform 
		DesignConfig config = new DesignConfig( );

		config.setProperty("BIRT_HOME", "C:/birt-runtime-2_1_1/birt-runtime-2_1_1/ReportEngine");
		IDesignEngine engine = null;
		try{
					
			
		Platform.startup( config );
		IDesignEngineFactory factory = (IDesignEngineFactory) Platform
		.createFactoryObject( IDesignEngineFactory.EXTENSION_DESIGN_ENGINE_FACTORY );
		engine = factory.createDesignEngine( config );

		}catch( Exception ex){
			ex.printStackTrace();
		}		
				
		
		SessionHandle session = engine.newSessionHandle( ULocale.ENGLISH ) ;
		
		// Create a new report design.
		
		ReportDesignHandle design = session.createDesign( );
		
		// The element factory creates instances of the various BIRT elements.
		
		ElementFactory efactory = design.getElementFactory( );
		
		// Create a simple master page that describes how the report will
		// appear when printed.
		//
		// Note: The report will fail to load in the BIRT designer
		// unless you create a master page.
		
		DesignElementHandle element = efactory.newSimpleMasterPage( "Page Master" ); 
		design.getMasterPages( ).add( element );
		
		// Create a grid and add it to the "body" slot of the report
		// design.
		
		GridHandle grid = efactory.newGridItem( null, 2 /* cols */, 1 /* row */ );
		design.getBody( ).add( grid );
		
		// Note: Set the table width to 100% to prevent the label
		// from appearing too narrow in the layout view.
		
		grid.setWidth( "100%" ); 
		
		// Get the first row.
		
		RowHandle row = (RowHandle) grid.getRows( ).get( 0 );
		
		// Create an image and add it to the first cell.
		ImageHandle image = efactory.newImage( null );
		CellHandle cell = (CellHandle) row.getCells( ).get( 0 );
		cell.getContent( ).add( image );
		image.setURL( "\"urlofimage\"" ); 
		
		// Create a label and add it to the second cell.
		LabelHandle label = efactory.newLabel( null );
		cell = (CellHandle) row.getCells( ).get( 1 );
		cell.getContent( ).add( label );
		label.setText( "Hello, world!" ); 
		
		// Save the design and close it.
		
		design.saveAs( "c:/tmp/sample.rptdesign" ); 
		design.close( );
		System.out.println("Finished");
		
		// We're done!
	}
 }
 

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