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How do i use Birt in a Java Project? [message #701667] Mon, 25 July 2011 12:22 Go to next message
fixed-term.georgios.mavridis is currently offline fixed-term.georgios.mavridis
Messages: 3
Registered: July 2011
Junior Member
hello,

i want to create a birt report with a simple java application.

i found some code examples on the internet but my problem is, how do i use the classes and methods?

i thought there would be a libary (jar-file) which i have to include,
but there is not (or i just did not found it)

is there an other way how to include the classes and methods which i need to create a birt report in a java project?

thx!
(no subject) [message #701783 is a reply to message #701667] Mon, 25 July 2011 15:20 Go to previous messageGo to next message
Jason Weathersby is currently offline Jason Weathersby
Messages: 9167
Registered: July 2009
Senior Member

To build a simple Java application just add the jars from the
reportruntime download to your classpath. If you are using Eclipse to
build the application use these steps.
1 - download the birt runtime
2 - create a new java project in Eclipse
3 - right click on the project in the Package view and select Build
Path->configure build path.
4 - Select the libraries tab and click on the add external Jars.
5 - Add all the jars from the birtruntime download/reportengine/lib
directory.
6 - create your class. For example look at the following.

package REAPI;



import java.util.logging.Level;

import org.eclipse.birt.core.framework.Platform;
import org.eclipse.birt.report.engine.api.EXCELRenderOption;
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.HTMLRenderOption;
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;
import org.eclipse.birt.report.engine.api.PDFRenderOption;


public class RunAndRenderTask {

public void runReport() throws EngineException
{

IRunAndRenderTask task=null;
IReportEngine engine=null;
EngineConfig config = null;

try{
config = new EngineConfig( );
config.setLogConfig("c:/dwn", Level.SEVERE);
Platform.startup( config );

IReportEngineFactory factory = (IReportEngineFactory) Platform
.createFactoryObject(
IReportEngineFactory.EXTENSION_REPORT_ENGINE_FACTORY );
engine = factory.createReportEngine( config );


IReportRunnable design = null;
//Open the report design

design = engine.openReportDesign("Reports/TopNPercent.rptdesign");
task = engine.createRunAndRenderTask(design);
task.setParameterValue("Top Count", (new Integer(5)));
task.validateParameters();


HTMLRenderOption options = new HTMLRenderOption();
options.setImageDirectory("./");
options.setOutputFileName("output/resample/out.html");
options.setOutputFormat("html");


task.setRenderOption(options);
task.run();
task.close();
engine.destroy();
}catch( Exception ex){
ex.printStackTrace();
}
Platform.shutdown( );
System.out.println("Finished");

}


/**
* @param args
*/
public static void main(String[] args) {
try
{

RunAndRenderTask ex = new RunAndRenderTask( );
ex.runReport();

System.exit(0);

}
catch ( Exception e )
{
e.printStackTrace();
}
}
}


A couple of extras to note. The openReportDesign method in the above
example is looking for a report named TopNPercent.rptdesign in a folder
in the project named Reports. You could specify the complete path to a
report instead. The output file out.html is generating the report in a
folder in the project named output. A full path could have been used
as well. Finally, if you want to the code to run multiple reports only
start up the platform once and just create new task for each report.

Jason


On 7/25/2011 8:22 AM, fixed-term.georgios.mavridis wrote:
> hello,
>
> i want to create a birt report with a simple java application.
>
> i found some code examples on the internet but my problem is, how do i
> use the classes and methods?
>
> i thought there would be a libary (jar-file) which i have to include,
> but there is not (or i just did not found it)
>
> is there an other way how to include the classes and methods which i
> need to create a birt report in a java project?
>
> thx!
(no subject) [message #701784 is a reply to message #701783] Mon, 25 July 2011 15:21 Go to previous message
Jason Weathersby is currently offline Jason Weathersby
Messages: 9167
Registered: July 2009
Senior Member

BTW the code sample was for BIRT 3.7.

Jason

On 7/25/2011 11:20 AM, Jason Weathersby wrote:
> To build a simple Java application just add the jars from the
> reportruntime download to your classpath. If you are using Eclipse to
> build the application use these steps.
> 1 - download the birt runtime
> 2 - create a new java project in Eclipse
> 3 - right click on the project in the Package view and select Build
> Path->configure build path.
> 4 - Select the libraries tab and click on the add external Jars.
> 5 - Add all the jars from the birtruntime download/reportengine/lib
> directory.
> 6 - create your class. For example look at the following.
>
> package REAPI;
>
>
>
> import java.util.logging.Level;
>
> import org.eclipse.birt.core.framework.Platform;
> import org.eclipse.birt.report.engine.api.EXCELRenderOption;
> 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.HTMLRenderOption;
> 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;
> import org.eclipse.birt.report.engine.api.PDFRenderOption;
>
>
> public class RunAndRenderTask {
>
> public void runReport() throws EngineException
> {
>
> IRunAndRenderTask task=null;
> IReportEngine engine=null;
> EngineConfig config = null;
>
> try{
> config = new EngineConfig( );
> config.setLogConfig("c:/dwn", Level.SEVERE);
> Platform.startup( config );
>
> IReportEngineFactory factory = (IReportEngineFactory) Platform
> .createFactoryObject(
> IReportEngineFactory.EXTENSION_REPORT_ENGINE_FACTORY );
> engine = factory.createReportEngine( config );
>
>
> IReportRunnable design = null;
> //Open the report design
>
> design = engine.openReportDesign("Reports/TopNPercent.rptdesign");
> task = engine.createRunAndRenderTask(design);
> task.setParameterValue("Top Count", (new Integer(5)));
> task.validateParameters();
>
>
> HTMLRenderOption options = new HTMLRenderOption();
> options.setImageDirectory("./");
> options.setOutputFileName("output/resample/out.html");
> options.setOutputFormat("html");
>
>
> task.setRenderOption(options);
> task.run();
> task.close();
> engine.destroy();
> }catch( Exception ex){
> ex.printStackTrace();
> }
> Platform.shutdown( );
> System.out.println("Finished");
>
> }
>
>
> /**
> * @param args
> */
> public static void main(String[] args) {
> try
> {
>
> RunAndRenderTask ex = new RunAndRenderTask( );
> ex.runReport();
>
> System.exit(0);
>
> }
> catch ( Exception e )
> {
> e.printStackTrace();
> }
> }
> }
>
>
> A couple of extras to note. The openReportDesign method in the above
> example is looking for a report named TopNPercent.rptdesign in a folder
> in the project named Reports. You could specify the complete path to a
> report instead. The output file out.html is generating the report in a
> folder in the project named output. A full path could have been used as
> well. Finally, if you want to the code to run multiple reports only
> start up the platform once and just create new task for each report.
>
> Jason
>
>
> On 7/25/2011 8:22 AM, fixed-term.georgios.mavridis wrote:
>> hello,
>>
>> i want to create a birt report with a simple java application.
>>
>> i found some code examples on the internet but my problem is, how do i
>> use the classes and methods?
>>
>> i thought there would be a libary (jar-file) which i have to include,
>> but there is not (or i just did not found it)
>>
>> is there an other way how to include the classes and methods which i
>> need to create a birt report in a java project?
>>
>> thx!
>
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