com.jaspersoft.jasperserver.remote.dbservices.impl.BeanConnectionServiceImpl.java Source code

Introduction

Here is the source code for com.jaspersoft.jasperserver.remote.dbservices.impl.BeanConnectionServiceImpl.java

Source

/*
 * Copyright (C) 2005 - 2015 TIBCO Software Inc. All rights reserved.
    
 * http://www.jaspersoft.com.
 * Licensed under commercial Jaspersoft Subscription License Agreement
 */

package com.jaspersoft.jasperserver.remote.dbservices.impl;

import java.lang.reflect.InvocationTargetException;
import java.lang.reflect.Method;

import java.sql.Connection;

import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import org.springframework.context.ApplicationContext;

import com.jaspersoft.jasperserver.api.common.util.spring.StaticApplicationContext;
import com.jaspersoft.jasperserver.api.engine.jasperreports.service.impl.JdbcDataSourceService;
import com.jaspersoft.jasperserver.api.metadata.common.domain.Resource;
import com.jaspersoft.jasperserver.api.metadata.jasperreports.domain.BeanReportDataSource;
import com.jaspersoft.jasperserver.remote.dbservices.ConnectionService;
import com.jaspersoft.jasperserver.remote.exception.RemoteException;
import com.jaspersoft.jasperserver.remote.exception.ResourceNotFoundException;

public class BeanConnectionServiceImpl implements ConnectionService {
    protected static final Log logger = LogFactory.getLog(BeanConnectionServiceImpl.class);
    protected ApplicationContext applicationContext;

    /**
      *
      * @param resource
      * @return Connection object, guaranteed to be non-null (not found or not supported resource indicated by exception)
      * @throws ResourceNotFoundException if no resource found 
      * @throws RemoteException in case of unclassified error
      */
    public Connection getConnection(Resource resource) {
        Connection result = null;
        long startTime = System.currentTimeMillis();
        try {
            if (logger.isDebugEnabled()) {
                logger.debug("Enter getConnection .. Start Time" + System.currentTimeMillis());
            }
            if (resource instanceof BeanReportDataSource) {
                BeanReportDataSource beanDataSource = (BeanReportDataSource) resource;
                applicationContext = StaticApplicationContext.getApplicationContext();
                Object bean = this.applicationContext.getBean(beanDataSource.getBeanName());
                Method serviceMethod = bean.getClass().getMethod(beanDataSource.getBeanMethod(), null);
                JdbcDataSourceService service = (JdbcDataSourceService) serviceMethod.invoke(bean, null);
                result = service.getDataSource().getConnection();
            } else {
                throw new RemoteException("Invalid Resource: Please check datasource url");
            }
        } catch (InvocationTargetException ex) {
            logger.error(ex.getMessage(), ex);
            throw new RemoteException("Cannot get bean datasource connection:" + ex.toString());
        } catch (Exception ex) {
            logger.error(ex.getMessage(), ex);
            throw new RemoteException("Cannot get bean datasource connection:" + ex.getMessage());
        } finally {
            if (logger.isDebugEnabled()) {
                long elapsedTime = System.currentTimeMillis() - startTime;
                logger.debug("Exit getConnection .. Total Time Spent: " + elapsedTime);
            }
        }
        return result;

    }

}