org.tec.webapp.orm.service.impl.SystemSvcImpl.java Source code

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Here is the source code for org.tec.webapp.orm.service.impl.SystemSvcImpl.java

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/*******************************************************************************
 * Copyright 2014 org.tec
 *
 * Licensed 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.tec.webapp.orm.service.impl;

import java.sql.Connection;
import java.sql.DatabaseMetaData;

import javax.servlet.ServletContext;
import javax.sql.DataSource;
import javax.transaction.Transactional;

import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import org.hibernate.Version;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.core.SpringVersion;
import org.springframework.orm.hibernate4.LocalSessionFactoryBean;
import org.springframework.stereotype.Service;
import org.tec.webapp.json.SerializableList;
import org.tec.webapp.service.SystemSvc;
import org.tec.webapp.web.model.status.StatusBean;

/**
 * this is the system service
 */
@Transactional()
@Service()
public class SystemSvcImpl implements SystemSvc {
    /** the logger */
    protected Log mLogger = LogFactory.getLog(this.getClass());

    /** the servlet context */
    @Autowired()
    protected ServletContext mServletContext;

    /** the data source see hibernate config */
    @Autowired()
    protected DataSource mDataSource;

    /** the hibernate session factory */
    @Autowired()
    protected LocalSessionFactoryBean mSessionFactory;

    /**
     * {@inheritDoc}
     */
    @Override()
    public SerializableList<StatusBean> getStatus() {
        Connection conn = null;
        try {
            SerializableList<StatusBean> slist = new SerializableList<StatusBean>();

            // get java information
            slist.add(new StatusBean("java.version", System.getProperty("java.version")));

            //get Servlet information
            slist.add(new StatusBean("server.info", mServletContext.getServerInfo()));

            StringBuilder buff = new StringBuilder();

            buff.append(mServletContext.getMajorVersion());
            buff.append('.');
            buff.append(mServletContext.getMinorVersion());

            slist.add(new StatusBean("servlet.version", buff.toString()));

            // get database information
            conn = mDataSource.getConnection();
            DatabaseMetaData dmd = conn.getMetaData();
            slist.add(new StatusBean("database.server", dmd.getDatabaseProductName()));
            slist.add(new StatusBean("database.version", dmd.getDatabaseProductVersion()));
            slist.add(new StatusBean("jdbc.driver", dmd.getDriverName()));
            slist.add(new StatusBean("jdbc.driver.version", dmd.getDriverVersion()));

            // spring
            slist.add(new StatusBean("spring.version", SpringVersion.getVersion()));

            // hibernate
            slist.add(new StatusBean("hibernate.version", Version.getVersionString()));
            slist.add(new StatusBean("hibernate.session.factory", mSessionFactory.getClass().getName()));

            return slist;
        } catch (Throwable e) {
            throw new RuntimeException("failed to get system status", e);
        } finally {
            if (conn != null) {
                try {
                    conn.close();
                } catch (Throwable e) {
                    mLogger.error("failed to get system status", e);
                }
            }
        }
    }
}