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| import java.io.Serializable;
import java.util.Collection;
import java.util.Collections;
import java.util.HashMap;
import java.util.Iterator;
import java.util.Map;
import java.util.logging.Level;
import org.eclipse.birt.core.framework.Platform;
import org.eclipse.birt.report.engine.api.EngineConfig;
import org.eclipse.birt.report.engine.api.EngineException;
import org.eclipse.birt.report.engine.api.IGetParameterDefinitionTask;
import org.eclipse.birt.report.engine.api.IParameterDefnBase;
import org.eclipse.birt.report.engine.api.IParameterGroupDefn;
import org.eclipse.birt.report.engine.api.IParameterSelectionChoice;
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.IScalarParameterDefn;
import org.eclipse.birt.report.model.api.CascadingParameterGroupHandle;
import org.eclipse.birt.report.model.api.ReportDesignHandle;
import org.eclipse.birt.report.model.api.ScalarParameterHandle;
public class ParametersTask {
static void executeReport() throws EngineException
{
HashMap<String, HashMap<String, Serializable>> parmDetails = new HashMap<String, HashMap<String, Serializable>>();
IReportEngine engine=null;
EngineConfig config = null;
try{
config = new EngineConfig( );
config.setEngineHome( "C:/birt-runtime-4_3_2/ReportEngine/lib" );
config.setLogConfig(null, Level.FINE);
Platform.startup( config );
IReportEngineFactory factory = (IReportEngineFactory) Platform
.createFactoryObject( IReportEngineFactory.EXTENSION_REPORT_ENGINE_FACTORY );
engine = factory.createReportEngine( config );
engine.changeLogLevel( Level.WARNING );
}catch( Exception ex){
ex.printStackTrace();
}
IReportRunnable design = null;
//Open a report design
design = engine.openReportDesign("C:/test/2.1/parameters/Parameters.rptdesign");
//Create Parameter Definition Task and retrieve parameter definitions
IGetParameterDefinitionTask task = engine.createGetParameterDefinitionTask( design );
Collection<IParameterDefnBase> params = (Collection<IParameterDefnBase>)task.getParameterDefns( true );
//Iterate over each parameter
for ( IParameterDefnBase param : params )
{
if ( param instanceof IParameterGroupDefn )
{
IParameterGroupDefn group = (IParameterGroupDefn) param;
//System.out.println( "Parameter Group: " + group.getName( ) );
// Do something with the parameter group.
// Iterate over group contents.
for ( Iterator i2 = group.getContents( ).iterator( ); i2.hasNext( ); )
{
IScalarParameterDefn scalar = (IScalarParameterDefn) i2.next( );
//System.out.println("\t" + scalar.getName());
//Get details on the parameter
parmDetails.put( scalar.getName(), loadParameterDetails( task, scalar, design, group));
}
}
else
{
IScalarParameterDefn scalar = (IScalarParameterDefn) param;
//System.out.println(param.getName());
//get details on the parameter
parmDetails.put( scalar.getName(),loadParameterDetails( task, scalar, design, null));
}
}
//Destroy the engine and shutdown the Platform
//Note - If the program stays resident do not shutdown the Platform or the Engine
engine.shutdown();
Platform.shutdown();
System.out.println("Finished");
}
//Function to load parameter details in a map.
private static HashMap<String, Serializable> loadParameterDetails(IGetParameterDefinitionTask task, IScalarParameterDefn scalar, IReportRunnable report, IParameterGroupDefn group)
{
HashMap<String, Serializable> parameter = new HashMap<String, Serializable>();
parameter.put("Parameter Group", group == null ? "Default" : group.getName());
parameter.put("Name", scalar.getName());
parameter.put("Help Text", scalar.getHelpText());
parameter.put("Display Name", scalar.getDisplayName());
//this is a format code such as > for UPPERCASE
parameter.put("Display Format", scalar.getDisplayFormat());
parameter.put("Hidden", scalar.isHidden() ? "Yes" : "No");
parameter.put("Allow Blank", scalar.allowBlank() ? "Yes" : "No");
parameter.put("Allow Null", scalar.allowNull() ? "Yes" : "No");
parameter.put("Conceal Entry", scalar.isValueConcealed() ? "Yes" : "No"); //ie passwords etc
switch (scalar.getControlType()) {
case IScalarParameterDefn.TEXT_BOX: parameter.put("Type", "Text Box"); break;
case IScalarParameterDefn.LIST_BOX: parameter.put("Type", "List Box"); break;
case IScalarParameterDefn.RADIO_BUTTON: parameter.put("Type", "List Box"); break;
case IScalarParameterDefn.CHECK_BOX: parameter.put("Type", "List Box"); break;
default: parameter.put("Type", "Text Box");break;
}
switch (scalar.getDataType()) {
case IScalarParameterDefn.TYPE_STRING: parameter.put("Data Type", "String"); break;
case IScalarParameterDefn.TYPE_FLOAT: parameter.put("Data Type", "Float"); break;
case IScalarParameterDefn.TYPE_DECIMAL: parameter.put("Data Type", "Decimal"); break;
case IScalarParameterDefn.TYPE_DATE_TIME: parameter.put("Data Type", "Date Time"); break;
case IScalarParameterDefn.TYPE_BOOLEAN: parameter.put("Data Type", "Boolean"); break;
default: parameter.put("Data Type", "Any"); break;
}
//Get report design and find default value, prompt text and data set expression using the DE API
ReportDesignHandle reportHandle = ( ReportDesignHandle ) report.getDesignHandle( );
ScalarParameterHandle parameterHandle = ( ScalarParameterHandle ) reportHandle.findParameter( scalar.getName() );
parameter.put("Default Value", parameterHandle.getDefaultValue());
parameter.put("Prompt Text", parameterHandle.getPromptText());
parameter.put("Data Set Expression", parameterHandle.getValueExpr());
if(scalar.getControlType() != IScalarParameterDefn.TEXT_BOX)
{
//retrieve selection list for cascaded parameter
if ( parameterHandle.getContainer( ) instanceof CascadingParameterGroupHandle ){
if ( parameterHandle.getContainer( ) instanceof CascadingParameterGroupHandle )
{
int index = parameterHandle.getContainerSlotHandle( ).findPosn( parameterHandle );
Object[] keyValue = new Object[index];
for ( int i = 0; i < index; i++ )
{
ScalarParameterHandle handle = (ScalarParameterHandle) ( (CascadingParameterGroupHandle) parameterHandle.getContainer( ) ).getParameters( ).get( i );
//Use parameter default values
keyValue[i] = handle.getDefaultValue();
}
String groupName = parameterHandle.getContainer( ).getName( );
task.evaluateQuery( groupName );
Collection<IParameterSelectionChoice> sList = (Collection<IParameterSelectionChoice>)task.getSelectionListForCascadingGroup( groupName, keyValue );
HashMap<Object, String> dynamicList = new HashMap<Object, String>();
for ( IParameterSelectionChoice sI : sList )
{
Object value = sI.getValue( );
Object label = sI.getLabel( );
System.out.println( label + "--" + value);
dynamicList.put(value,(String) label);
}
parameter.put("Selection List", dynamicList);
}
}else{
//retrieve selection list
Collection<IParameterSelectionChoice> selectionList = (Collection<IParameterSelectionChoice>)task.getSelectionList( scalar.getName() );
if ( selectionList != null )
{
HashMap<Object, String> dynamicList = new HashMap<Object, String>();
for ( IParameterSelectionChoice selectionItem : selectionList )
{
Object value = selectionItem.getValue( );
String label = selectionItem.getLabel( );
//System.out.println( label + "--" + value);
dynamicList.put(value,label);
}
parameter.put("Selection List", dynamicList);
}
}
}
//Print out results
System.out.println("======================Parameter =" + scalar.getName());
for (Map.Entry<String, Serializable> entry : parameter.entrySet( )) {
String name = entry.getKey();
if( name.equals("Selection List")){
HashMap<?,?> selList = (HashMap<?,?>)entry.getValue();
for (Map.Entry<?,?> entry1 : selList.entrySet()) {
System.out.println( "Selection List Entry ===== Key = " + entry1.getKey() + " Value = " + entry1.getValue());
}
}else{
System.out.println( name + " = " + entry.getValue());
}
}
return parameter;
}
/**
* @param args
*/
public static void main(String[] args) {
try
{
executeReport( );
}
catch ( Exception e )
{
e.printStackTrace();
}
}
} |
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