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Automatically create daily reports by using a Java Application [message #670265]

Fri, 13 May 2011 06:13

Eclipse User

Hi everybody,

currently I am using the Birt Designer to manually create daily reports out of .csv Flat Files. Therefore I change the Flat-File name in the Query of the Data Set which can be found in the Properties of the Data Set. I cannot change the Flat-File name in the "Edit Data Set"-Window at the tab "Select Columns", because Birt will delete all existing columns from the old file but I want to keep these columns due to their name change and further use in the report.

My aim is to automatically create daily reports by using a Java Application that initiates that process. The short graphic of how the process should look is available in the file attachments.

Is there a possibility in Java to automatically change the Flat-File name in the Query and save the new report with a report name that includes the date used in the Flat-File name (or the current date)?
Or is there another solution?

Thank you,
Jochen

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Re: Automatically create daily reports by using a Java Application [message #671497 is a reply to message #670265]

Wed, 18 May 2011 02:42

Eclipse User

Hi again,

is there no way to solve my problem?
Would appreciate every kind of help.

Thanks,
Jochen

Re: Automatically create daily reports by using a Java Application [message #671635 is a reply to message #671497]

Wed, 18 May 2011 10:22

Eclipse User

You can change the csv file with a little de api. take a look at the
attached.

Jason

import org.eclipse.birt.core.framework.Platform;
import org.eclipse.birt.report.engine.api.EngineException;
import org.eclipse.birt.report.engine.api.IReportRunnable;
import org.eclipse.birt.report.model.api.DataSetHandle;
import org.eclipse.birt.report.model.api.DesignConfig;
import org.eclipse.birt.report.model.api.IDesignEngine;
import org.eclipse.birt.report.model.api.IDesignEngineFactory;
import org.eclipse.birt.report.model.api.ReportDesignHandle;
import org.eclipse.birt.report.model.api.SessionHandle;

import com.ibm.icu.util.ULocale;

public class ChangeFlatFile {

public void runReport() throws EngineException
{

IDesignEngine dengine=null;

try{

DesignConfig dconfig = new DesignConfig( );

dconfig.setBIRTHome("C:/birt/birt-runtime-2_6_1/birt-runtime-2_6_1/ReportEngine ");
Platform.startup( dconfig );
IDesignEngineFactory dfactory = (IDesignEngineFactory) Platform
.createFactoryObject(
IDesignEngineFactory.EXTENSION_DESIGN_ENGINE_FACTORY );
dengine = dfactory.createDesignEngine( dconfig );

IReportRunnable design = null;
//Open the report design

SessionHandle session = dengine.newSessionHandle( ULocale.ENGLISH );

ReportDesignHandle report =
session.openDesign("Reports/FlatFile.rptdesign");
DataSetHandle dsh = report.findDataSet("Data Set");

String currentquery = (String) dsh.getProperty("queryText");
currentquery.replaceFirst("chart1.csv", "chart2.csv");

report.saveAs("output/desample/FlatFile2.rptdesign" );
report.close( );
session.closeAll(false);
Platform.shutdown();
System.out.println("Finished");

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

}

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

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

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

}

On 5/18/2011 2:42 AM, Jochen v. B. wrote:
> Hi again,
>
> is there no way to solve my problem?
> Would appreciate every kind of help.
>
> Thanks,
> Jochen

Re: Automatically create daily reports by using a Java Application [message #671904 is a reply to message #671635]

Thu, 19 May 2011 06:10

Eclipse User

Thank you, Jason.

I used the attached and changed the directory, rptdesgin name, data set name and source-flat-file names.
In debug mode, everything is working fine (queryText is changed correctly) until the report.saveAs("..") line.

I get the following Exception:

Exception in thread "main" java.lang.NoClassDefFoundError: org/apache/commons/codec/binary/Base64
at org.eclipse.birt.report.model.writer.ModuleWriterImpl.<clinit>(ModuleWriterImpl.java:241)
at org.eclipse.birt.report.model.elements.ReportDesign.getWriter(ReportDesign.java:90)
at org.eclipse.birt.report.model.api.ModuleHandle.save(ModuleHandle.java:1440)
at org.eclipse.birt.report.model.api.ModuleHandle.saveAs(ModuleHandle.java:1460)
at testsection.ChangeFlatFile.runReport(ChangeFlatFile.java:48)
at testsection.ChangeFlatFile.main(ChangeFlatFile.java:64)
Caused by: java.lang.ClassNotFoundException: org.apache.commons.codec.binary.Base64
at java.net.URLClassLoader$1.run(URLClassLoader.java:202)
at java.security.AccessController.doPrivileged(Native Method)
at java.net.URLClassLoader.findClass(URLClassLoader.java:190)
at java.lang.ClassLoader.loadClass(ClassLoader.java:307)
at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:301)
at java.lang.ClassLoader.loadClass(ClassLoader.java:248)
... 6 more

Any idea how to solve this?

Best regards,
Jochen

[Updated on: Thu, 19 May 2011 06:11] by Moderator

Re: Automatically create daily reports by using a Java Application [message #671979 is a reply to message #671904]

Thu, 19 May 2011 09:55

Eclipse User

Do you have all the jars from the runtime download:
birt-runtime-2_6_2\ReportEngine\lib in your classpath?

Jason

On 5/19/2011 6:10 AM, Jochen v. B. wrote:
> Thank you, Jason.
>
> I used the attached and changed the directory, rptdesgin name, data set
> name and source-flat-file names.
> In debug mode, everything is working fine (queryText is changed
> correctly) until the report.saveAs("..") line.
>
> I get the following Exception:
>
> Exception in thread "main" java.lang.NoClassDefFoundError:
> org/apache/commons/codec/binary/Base64
> at
> org.eclipse.birt.report.model.writer.ModuleWriterImpl.<clinit>(ModuleWriterImpl.java:241)
>
> at
> org.eclipse.birt.report.model.elements.ReportDesign.getWriter(ReportDesign.java:90)
>
> at
> org.eclipse.birt.report.model.api.ModuleHandle.save(ModuleHandle.java:1440)
> at
> org.eclipse.birt.report.model.api.ModuleHandle.saveAs(ModuleHandle.java:1460)
>
> at testsection.ChangeFlatFile.runReport(ChangeFlatFile.java:48)
> at testsection.ChangeFlatFile.main(ChangeFlatFile.java:64)
> Caused by: java.lang.ClassNotFoundException:
> org.apache.commons.codec.binary.Base64
> at java.net.URLClassLoader$1.run(URLClassLoader.java:202)
> at java.security.AccessController.doPrivileged(Native Method)
> at java.net.URLClassLoader.findClass(URLClassLoader.java:190)
> at java.lang.ClassLoader.loadClass(ClassLoader.java:307)
> at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:301)
> at java.lang.ClassLoader.loadClass(ClassLoader.java:248)
> ... 6 more
>
> Best regards,
> Jochen

Re: Automatically create daily reports by using a Java Application [message #671993 is a reply to message #671979]

Thu, 19 May 2011 10:21

Eclipse User

Ah, I accidently just had the modelapi.jar, coreapi.jar and engineapi.jar in my classpath.
Problem and request solved!

Thank you very much.
Jochen

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