package er.jasperreports;
import java.io.File;
import java.util.HashMap;
import java.util.Map;
import java.util.concurrent.Callable;
import org.apache.commons.lang.exception.NestableRuntimeException;
import org.apache.log4j.Logger;
import er.jasperreports.ERJRFoundationDataSource;
import er.jasperreports.ERJRReportTaskFromEO;
import er.jasperreports.ERJRUtilities;
import com.webobjects.eoaccess.EOUtilities;
import com.webobjects.eocontrol.EOEditingContext;
import com.webobjects.eocontrol.EOEnterpriseObject;
import com.webobjects.eocontrol.EOGlobalID;
import com.webobjects.foundation.NSArray;
import er.extensions.appserver.ERXApplication;
import er.extensions.concurrency.ERXTaskPercentComplete;
import er.extensions.eof.ERXEC;
import er.extensions.foundation.ERXAssert;
public class ERJRReportTaskFromEO implements Callable<File>, ERXTaskPercentComplete {
private static final Logger log = Logger.getLogger(ERJRReportTaskFromEO.class);
private File reportFile;
private final String frameworkName;
private final String jasperCompiledReportFileName;
private Map<String, Object> parameters;
private EOGlobalID theObjectGID; // Use threadsafe global IDs for background task ivars
private EOEnterpriseObject myObject;
// private EOEnterpriseObject theObject;
// iVar so we can get percentage complete
private ERJRFoundationDataSource jrDataSource;
public ERJRReportTaskFromEO(EOEnterpriseObject theObject, String jasperCompiledReportFileName) {
this(theObject, jasperCompiledReportFileName, null, null);
}
public ERJRReportTaskFromEO(EOEnterpriseObject theObject, String jasperCompiledReportFileName, HashMap<String, Object> parameters) {
this(theObject, jasperCompiledReportFileName, null, parameters);
}
public ERJRReportTaskFromEO(EOEnterpriseObject theObject, String jasperCompiledReportFileName, String frameworkName, HashMap<String, Object> parameters) {
ERXAssert.PRE.notNull(theObject);
ERXAssert.PRE.notNull(jasperCompiledReportFileName);
this.myObject = theObject;
this.jasperCompiledReportFileName = jasperCompiledReportFileName;
this.frameworkName = frameworkName;
this.parameters = parameters;
// grab the global ID in the constructor. The constructor executes in the thread that creates the task instance
this.theObjectGID = theObject.editingContext().globalIDForObject( theObject );
ERXAssert.PRE.notNull(theObjectGID); // If the object is new, this will be null. test and throw.
if (this.parameters == null) {
this.parameters = new HashMap<String, Object>();
}
}
/**
* Callable interface implementation
*
* @throws Exception
*/
public File call() throws Exception {
ERXApplication._startRequest();
try {
return _call();
} catch (Exception e) {
log.error("Error in JR task", e);
throw e;
} finally {
// Unlocks any locked editing contexts
ERXApplication._endRequest();
}
}
private File _call() {
// If development
if (ERXApplication.isDevelopmentModeSafe()) {
parameters.put("_isDevelopmentMode", Boolean.TRUE);
} else {
parameters.put("_isDevelopmentMode", Boolean.FALSE );
}
reportFile = null;
if (log.isDebugEnabled())
log.debug("Starting JasperReportTask: " + this.toString());
/**
* create a new editing context and work on the object there
* to prevent you app from trying to touch the same object.
*/
EOEditingContext ec = ERXEC.newEditingContext();
ec.lock();
try {
// EOEnterpriseObject theObject = ec.faultForGlobalID( theObjectGID, ec);
EOEnterpriseObject theObjectToPDF = EOUtilities.localInstanceOfObject(ec, myObject);
jrDataSource = new ERJRFoundationDataSource(new NSArray<EOEnterpriseObject>(theObjectToPDF));
if (jasperCompiledReportFileName != null) {
reportFile = ERJRUtilities.runCompiledReportToPDFFile(jasperCompiledReportFileName, frameworkName, parameters, jrDataSource);
}
} catch (Exception e) {
throw new NestableRuntimeException(e);
} finally {
ec.unlock();
}
return reportFile;
}
public File file() {
return reportFile;
}
public Double percentComplete() {
// TODO Auto-generated method stub
return null;
}
}