how can i display a text file in birt report?

hi
I need to display content of a text file in my birt report (for example a discription of a chat) but i can't found any solutions or advice
Can someone give me an advice or an example please?
thanks for all

Find more posts tagged with

Comments

mwilliams

Hi mariane,

You can read in a text file in javascript, using the java.io package. Then store the text in a global variable that you can then use to display the text anywhere.

Hope this helps.

mariane

hi,
thanks for help
this is just what i try to do but i doesn't found a relation between my class java and the method onprepare of my eventhandler.
this my java class:

import java.io.*;

import org.eclipse.birt.report.engine.api.script.eventadapter.TextItemEventAdapter;

import org.eclipse.birt.report.engine.api.script.element.ITextItem;
import org.eclipse.birt.report.engine.api.script.IReportContext;
public class FileRead extends TextItemEventAdapter {
public void onPrepare( ITextItem TextItem, IReportContext reportContext )
{
try
{
FileInputStream fstream = new FileInputStream("D:adresse.txt");
// Get the object of DataInputStream
DataInputStream in = new DataInputStream(fstream);
BufferedReader br = new BufferedReader(new InputStreamReader(in));
String strLine;
String content="";
//Read File Line By Line
while ((strLine = br.readLine()) != null) {
// Print the content on the console
content = content + strLine + "n";

}

//Close the input stream
in.close();
TextItem.setContent(content);

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

}

}
thanks

mariane

this is the message error:
Text (id = 32):
- Unhandled exception when executing script.
Error.UnhandledScriptError ( 4 time(s) )
detail : org.eclipse.birt.report.engine.api.EngineException: Unhandled exception when executing script. at org.eclipse.birt.report.engine.script.internal.ScriptExecutor.addException(ScriptExecutor.java:199) at org.eclipse.birt.report.engine.script.internal.ScriptExecutor.addException(ScriptExecutor.java:176) at org.eclipse.birt.report.engine.script.internal.TextItemScriptExecutor.getEventHandler(TextItemScriptExecutor.java:178) at org.eclipse.birt.report.engine.script.internal.TextItemScriptExecutor.handleOnPrepare(TextItemScriptExecutor.java:38) at org.eclipse.birt.report.engine.api.impl.ScriptedDesignHandler.handleOnPrepare(ScriptedDesignHandler.java:169) at org.eclipse.birt.report.engine.api.impl.ScriptedDesignVisitor.visitTextItem(ScriptedDesignVisitor.java:426) at org.eclipse.birt.report.model.api.DesignVisitor$Forwarder.visitTextItem(DesignVisitor.java:1005) at org.eclipse.birt.report.model.elements.TextItem.apply(TextItem.java:58) at org.eclipse.birt.report.model.api.DesignVisitor.apply(DesignVisitor.java:123) at org.eclipse.birt.report.engine.api.impl.ScriptedDesignVisitor.visitReportDesign(ScriptedDesignVisitor.java:106) at org.eclipse.birt.report.model.api.DesignVisitor$Forwarder.visitReportDesign(DesignVisitor.java:1175) at org.eclipse.birt.report.model.elements.ReportDesign.apply(ReportDesign.java:89) at org.eclipse.birt.report.model.api.DesignVisitor.apply(DesignVisitor.java:123) at org.eclipse.birt.report.engine.api.impl.EngineTask.prepareDesign(EngineTask.java:1351) at org.eclipse.birt.report.engine.api.impl.RunAndRenderTask.doRun(RunAndRenderTask.java:88) at org.eclipse.birt.report.engine.api.impl.RunAndRenderTask.run(RunAndRenderTask.java:72) at org.eclipse.birt.report.service.ReportEngineService.runAndRenderReport(ReportEngineService.java:877) at org.eclipse.birt.report.service.BirtViewerReportService.runAndRenderReport(BirtViewerReportService.java:938) at org.eclipse.birt.report.service.actionhandler.BirtGetPageAllActionHandler.__execute(BirtGetPageAllActionHandler.java:131) at org.eclipse.birt.report.service.actionhandler.AbstractBaseActionHandler.execute(AbstractBaseActionHandler.java:90) at org.eclipse.birt.report.soapengine.processor.AbstractBaseDocumentProcessor.__executeAction(AbstractBaseDocumentProcessor.java:47) at org.eclipse.birt.report.soapengine.processor.AbstractBaseComponentProcessor.executeAction(AbstractBaseComponentProcessor.java:143) at org.eclipse.birt.report.soapengine.processor.BirtDocumentProcessor.handleGetPageAll(BirtDocumentProcessor.java:183) at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source) at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source) at java.lang.reflect.Method.invoke(Unknown Source) at org.eclipse.birt.report.soapengine.processor.AbstractBaseComponentProcessor.process(AbstractBaseComponentProcessor.java:112) at org.eclipse.birt.report.soapengine.endpoint.BirtSoapBindingImpl.getUpdatedObjects(BirtSoapBindingImpl.java:66) at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source) at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source) at java.lang.reflect.Method.invoke(Unknown Source) at org.apache.axis.providers.java.RPCProvider.invokeMethod(RPCProvider.java:397) at org.apache.axis.providers.java.RPCProvider.processMessage(RPCProvider.java:186) at org.apache.axis.providers.java.JavaProvider.invoke(JavaProvider.java:323) at org.apache.axis.strategies.InvocationStrategy.visit(InvocationStrategy.java:32) at org.apache.axis.SimpleChain.doVisiting(SimpleChain.java:118) at org.apache.axis.SimpleChain.invoke(SimpleChain.java:83) at org.apache.axis.handlers.soap.SOAPService.invoke(SOAPService.java:454) at org.apache.axis.server.AxisServer.invoke(AxisServer.java:281) at org.apache.axis.transport.http.AxisServlet.doPost(AxisServlet.java:699) at org.eclipse.birt.report.servlet.BirtSoapMessageDispatcherServlet.doPost(BirtSoapMessageDispatcherServlet.java:265) at javax.servlet.http.HttpServlet.service(HttpServlet.java:616) at org.apache.axis.transport.http.AxisServletBase.service(AxisServletBase.java:327) at javax.servlet.http.HttpServlet.service(HttpServlet.java:689) at org.eclipse.birt.report.servlet.BirtSoapMessageDispatcherServlet.service(BirtSoapMessageDispatcherServlet.java:122) at org.eclipse.equinox.http.registry.internal.ServletManager$ServletWrapper.service(ServletManager.java:180) at org.eclipse.equinox.http.servlet.internal.ServletRegistration.handleRequest(ServletRegistration.java:90) at org.eclipse.equinox.http.servlet.internal.ProxyServlet.processAlias(ProxyServlet.java:111) at org.eclipse.equinox.http.servlet.internal.ProxyServlet.service(ProxyServlet.java:59) at javax.servlet.http.HttpServlet.service(HttpServlet.java:689) at org.eclipse.equinox.http.jetty.internal.HttpServerManager$InternalHttpServiceServlet.service(HttpServerManager.java:269) at org.mortbay.jetty.servlet.ServletHolder.handle(ServletHolder.java:428) at org.mortbay.jetty.servlet.ServletHandler.dispatch(ServletHandler.java:677) at org.mortbay.jetty.servlet.ServletHandler.handle(ServletHandler.java:568) at org.mortbay.http.HttpContext.handle(HttpContext.java:1530) at org.mortbay.http.HttpContext.handle(HttpContext.java:1482) at org.mortbay.http.HttpServer.service(HttpServer.java:909) at org.mortbay.http.HttpConnection.service(HttpConnection.java:820) at org.mortbay.http.HttpConnection.handleNext(HttpConnection.java:986) at org.mortbay.http.HttpConnection.handle(HttpConnection.java:837) at org.mortbay.http.SocketListener.handleConnection(SocketListener.java:245) at org.mortbay.util.ThreadedServer.handle(ThreadedServer.java:357) at org.mortbay.util.ThreadPool$PoolThread.run(ThreadPool.java:534)Caused by: org.eclipse.birt.report.engine.api.EngineException: IllegalAccessException when trying to load class FileRead. at org.eclipse.birt.report.engine.script.internal.ScriptExecutor.getInstance(ScriptExecutor.java:139) at org.eclipse.birt.report.engine.script.internal.ScriptExecutor.getInstance(ScriptExecutor.java:104) at org.eclipse.birt.report.engine.script.internal.TextItemScriptExecutor.getEventHandler(TextItemScriptExecutor.java:169) ... 62 moreCaused by: java.lang.IllegalAccessException: Class org.eclipse.birt.report.engine.script.internal.ScriptExecutor can not access a member of class FileRead with modifiers "" at sun.reflect.Reflection.ensureMemberAccess(Unknown Source) at java.lang.Class.newInstance0(Unknown Source) at java.lang.Class.newInstance(Unknown Source) at org.eclipse.birt.report.engine.script.internal.ScriptExecutor.getInstance(ScriptExecutor.java:129) ... 64 more

mwilliams

mariane,

Is this the entire stack trace of the error?

Virgil Dodson

Hi mariane,
You can just use the Flat File Data Source with BIRT to display from a text file without doing your own Java IO coding.... or if you can also continue to do the coding but check out the "Scripted Data Source" examples in the DevShare since they are working examples that use Java classes to get data as well.