com.jaspersoft.jasperserver.util.QueryUtil.java Source code

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Here is the source code for com.jaspersoft.jasperserver.util.QueryUtil.java

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/*
 * 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.util;

import java.lang.reflect.Method;
import java.lang.reflect.Modifier;
import java.sql.Connection;
import java.sql.DatabaseMetaData;

import javax.ws.rs.core.HttpHeaders;

import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;

import com.jaspersoft.jasperserver.api.metadata.common.domain.Resource;
import com.jaspersoft.jasperserver.api.metadata.jasperreports.domain.BeanReportDataSource;
import com.jaspersoft.jasperserver.api.metadata.jasperreports.domain.JdbcReportDataSource;
import com.jaspersoft.jasperserver.api.metadata.jasperreports.domain.JndiJdbcReportDataSource;
import com.jaspersoft.jasperserver.remote.dbservices.ConnectionService;
import com.jaspersoft.jasperserver.remote.dbservices.impl.BeanConnectionServiceImpl;
import com.jaspersoft.jasperserver.remote.dbservices.impl.JdbcConnectionServiceImpl;
import com.jaspersoft.jasperserver.remote.dbservices.impl.JndiConnectionServiceImpl;
import com.jaspersoft.jasperserver.remote.exception.RemoteException;

public class QueryUtil {
    protected static final Log logger = LogFactory.getLog(QueryUtil.class);
    private static final String cookieName = "REQUEST_ORIGINATOR";
    private static final String cookieValue = "js_custom_adapter";

    public static Connection getConnection(Resource resource) {
        long startTime = System.currentTimeMillis();
        Connection conn = null;
        ConnectionService connectionService = null;
        try {
            if (logger.isDebugEnabled()) {
                logger.debug("Enter getConnection .. Start Time" + System.currentTimeMillis());
            }
            if (resource instanceof JdbcReportDataSource) {
                connectionService = new JdbcConnectionServiceImpl();
            } else if (resource instanceof JndiJdbcReportDataSource) {
                connectionService = new JndiConnectionServiceImpl();
            } else if (resource instanceof BeanReportDataSource) {
                connectionService = new BeanConnectionServiceImpl();
            }

            if (connectionService != null)
                conn = connectionService.getConnection(resource);
            else
                throw new RemoteException("Invalid Resource: Please check datasource url");

        } catch (Exception ex) {
            logger.error(ex.getMessage(), ex);
            throw new RemoteException("Connection Error." + ex.getMessage());
        } finally {
            if (logger.isDebugEnabled()) {
                long elapsedTime = System.currentTimeMillis() - startTime;
                logger.debug("Exit getConnection .. Total Time Spent: " + elapsedTime);
            }
        }

        return conn;
    }

    /**
     * Execute DataBaseMetaData methods using reflection
     * @param dmd
     * @param methodName
     * @param parameters
     * @return
     * @throws ClassNotFoundException
     */
    public static Method findMethod(DatabaseMetaData dmd, String methodName, Object[] parameters)
            throws ClassNotFoundException {
        long startTime = System.currentTimeMillis();
        try {
            if (logger.isDebugEnabled()) {
                logger.debug("Enter findMethod .. Start Time" + System.currentTimeMillis());
            }
            Class cl = Class.forName("java.sql.DatabaseMetaData");
            Method[] methods = cl.getDeclaredMethods();
            // Trying to avoid collision of methods with varying parameters and avoid having to do parameter class types

            int paramCount = 0;
            if (null != parameters) {
                paramCount = parameters.length;
            }

            for (Method m : methods) {
                if (m.getName().equals(methodName)) {
                    if (Modifier.isPublic(m.getModifiers()) && m.getParameterTypes().length == paramCount) {
                        return m;
                    }
                }
            } //for
            return null;
        } finally {
            if (logger.isDebugEnabled()) {
                long elapsedTime = System.currentTimeMillis() - startTime;
                logger.debug("Exit findMethod .. Total Time Spent: " + elapsedTime);
            }
        }

    }

    /**
     * Validate request
     * @param headers
     * @return
     * @throws RemoteException
     */
    public static void validateRequest(final HttpHeaders headers, final String requestOrgCheck) {
        long startTime = System.currentTimeMillis();
        try {
            if (logger.isDebugEnabled()) {
                logger.debug("Enter validateRequest .. Start Time" + System.currentTimeMillis());
                logger.debug("requestOrgCheck" + requestOrgCheck);
            }
            if (requestOrgCheck != null && requestOrgCheck.equalsIgnoreCase("Y")) {
                if (logger.isDebugEnabled()) {
                    logger.debug("cookieValue" + headers.getCookies().get(cookieName).getValue());
                }
                if (!cookieValue.equals(headers.getCookies().get(cookieName).getValue()))
                    throw new RemoteException("Invalid Request: Please check request url");
            }
        } finally {
            if (logger.isDebugEnabled()) {
                long elapsedTime = System.currentTimeMillis() - startTime;
                logger.debug("Exit validateRequest .. Total Time Spent: " + elapsedTime);
            }
        }

    }

}