/*
* Copyright (c) 2005-2010, WSO2 Inc. (http://www.wso2.org) All Rights Reserved.
*
* WSO2 Inc. licenses this file to you under the Apache License,
* Version 2.0 (the "License"); you may not use this file except
* in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing,
* software distributed under the License is distributed on an
* "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
* KIND, either express or implied. See the License for the
* specific language governing permissions and limitations
* under the License.
*/
package org.wso2.carbon.reporting.util.types;
import net.sf.jasperreports.engine.*;
import net.sf.jasperreports.engine.design.JasperDesign;
import net.sf.jasperreports.engine.xml.JRXmlLoader;
import java.io.ByteArrayInputStream;
import java.io.InputStream;
import java.util.HashMap;
/**
* used for report generation JasperPrint object it is special object to Jasper Report
*/
public class JPCreator {
/**
* generate report ByteArrayOutputStream
*
* @param jrDataSource data for report
* @param template report template
* @return report ByteArrayOutputStream
* @throws JRException will occurred generating report
*/
public JasperPrint createJasperPrint(JRDataSource jrDataSource, String template)throws JRException {
// create a byte array from given report template
byte[] templateBytes = template.getBytes();
InputStream templateInputStream = new ByteArrayInputStream(templateBytes);
JasperPrint jasperPrint;
try {
// load JasperDesign
JasperDesign jasperDesign = JRXmlLoader.load(templateInputStream);
// compiling JasperDesign from JasperCompileManager
JasperReport jasperReport = JasperCompileManager.compileReport(jasperDesign);
// generate JasperPrint Object from given JasperReport file and JRDataSource by JasperFillManager
jasperPrint = JasperFillManager.fillReport(jasperReport, new HashMap(), jrDataSource);
} catch (JRException e) {
throw new JRException("JasperPrint creation failed from " + template , e);
}
return jasperPrint;
}
}