package com.test;
import java.sql.Connection;
import java.sql.DriverManager;
import java.sql.ResultSet;
import java.sql.SQLException;
import java.sql.Statement;
import java.util.HashMap;
import org.eclipse.birt.report.engine.api.EngineConfig;
import org.eclipse.birt.report.engine.api.EngineConstants;
import org.eclipse.birt.report.engine.api.HTMLRenderContext;
import org.eclipse.birt.report.engine.api.HTMLRenderOption;
import org.eclipse.birt.report.engine.api.IReportRunnable;
import org.eclipse.birt.report.engine.api.IRunAndRenderTask;
import org.eclipse.birt.report.engine.api.ReportEngine;
public class BirtTest {
public static void main(String[] args) {
//Variables used to control BIRT Engine instance
EngineConfig conf = null;
ReportEngine eng = null;
IReportRunnable design = null;
IRunAndRenderTask task = null;
HTMLRenderContext renderContext = null;
HashMap contextMap = null;
HTMLRenderOption options = null;
//Now, setup the BIRT engine configuration. The Engine Home is hardcoded
//here, this is probably better set in an environment variable or in
//a configuration file. No other options need to be set
conf = new EngineConfig();
conf.setEngineHome("C:/eclipse-birt/eclipse/birt-runtime-4_2_0/ReportEngine");
//Create new Report engine based off of the configuration
eng = new ReportEngine( conf );
//With our new engine, lets try to open the report design
try
{
design = eng.openReportDesign("C:/sanker/birt/birt-test/new_report.rptdesign");
}
catch (Exception e)
{
System.err.println("An error occured during the opening of the report file!");
e.printStackTrace();
System.exit(-1);
}
//With the file open, create the Run and Render task to run the report
task = eng.createRunAndRenderTask(design);
//Set Render context to handle url and image locataions, and apply to the
//task
renderContext = new HTMLRenderContext();
renderContext.setImageDirectory("image");
contextMap = new HashMap();
contextMap.put( EngineConstants.APPCONTEXT_HTML_RENDER_CONTEXT, renderContext );
task.setAppContext( contextMap );
ResultSet rs = getResultSet(); // a function that executes the query and returns resultset
task.setParameterValue("myResultSet", rs);
//This will set the output file location, the format to rener to, and
//apply to the task
options = new HTMLRenderOption();
options.setOutputFileName("C:/sanker/birt/output/output.html");
options.setOutputFormat("html");
task.setRenderOption(options);
try
{
task.run();
}
catch (Exception e)
{
e.printStackTrace();
}
eng.destroy();
}
static ResultSet getResultSet() {
ResultSet rs = null;
try {
Connection con = getConnection();
Statement stmt = con.createStatement();
stmt.execute("select id, name from A");
rs = stmt.getResultSet();
} catch (SQLException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
return rs;
}
static Connection getConnection() {
try {
Class.forName("oracle.jdbc.driver.OracleDriver");
return DriverManager.getConnection("jdbc:oracle:thin:@localhost:1521:xe","sanker","password");
} catch (ClassNotFoundException e) {
// TODO Auto-generated catch block
e.printStackTrace();
} catch (SQLException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
return null;
}
}
/*******************************************************/
package com.test;
import java.sql.ResultSet;
import java.sql.SQLException;
import org.eclipse.birt.report.engine.api.script.IReportContext;
import org.eclipse.birt.report.engine.api.script.IUpdatableDataSetRow;
import org.eclipse.birt.report.engine.api.script.ScriptException;
import org.eclipse.birt.report.engine.api.script.eventadapter.ScriptedDataSetEventAdapter;
import org.eclipse.birt.report.engine.api.script.instance.IDataSetInstance;
public class MyScriptedSetAdapter extends ScriptedDataSetEventAdapter {
ResultSet resultSet;
@Override
public boolean fetch(IDataSetInstance dataSet, IUpdatableDataSetRow row)
throws ScriptException {
try {
if(resultSet.isAfterLast())
return false;// to indicate that there are no more rows left to process
row.setColumnValue("ID", resultSet.getInt(1));
row.setColumnValue("NAME", resultSet.getString(2));
resultSet.next();
return true; // to indicate that more rows to follow
} catch (SQLException e) {
// TODO Auto-generated catch block
e.printStackTrace();
return false;
}
}
@Override
public void open(IDataSetInstance dataSet) throws ScriptException {
super.open(dataSet);
try {
if(resultSet != null)
resultSet.next();
} catch (SQLException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
}
@Override
public void beforeOpen(IDataSetInstance dataSet, IReportContext reportContext) throws ScriptException {
super.beforeOpen(dataSet, reportContext);
//retrieve the parameter myResultSet set from the java class in Step 1
System.out.println("myResultSet="+reportContext.getParameterValue("myResultSet"));
resultSet = (ResultSet)reportContext.getParameterValue("myResultSet");
}
}
