TAtomConstants.java

package com.taobao.tddl.atom.common;

import java.text.MessageFormat;
import java.util.HashMap;
import java.util.Map;

import org.apache.commons.lang.StringUtils;

/**
 * TAtom数据源的常量设置类
 * 
 * @author qihao
 */
public class TAtomConstants {

    public final static String         DEFAULT_DIAMOND_GROUP                             = null;

    public final static String         DEFAULT_MYSQL_CHAR_SET                            = "gbk";

    // public final static String ORACLE_DBTYPE_STR = "ORACLE";

    // public final static String MYSQL_DBTYPE_STR = "MYSQL";

    public final static String         DEFAULT_ORACLE_CON_TYPE                           = "oci";

    public final static String         DB_STATUS_R                                       = "R";

    public final static String         DB_STATUS_W                                       = "W";

    public final static String         DB_STATUS_RW                                      = "RW";

    public final static String         DB_STATUS_NA                                      = "NA";

    public static Map<String, String>  DEFAULT_ORACLE_CONNECTION_PROPERTIES              = new HashMap<String, String>(2);
    static {
        TAtomConstants.DEFAULT_ORACLE_CONNECTION_PROPERTIES.put("SetBigStringTryClob", "true");
        TAtomConstants.DEFAULT_ORACLE_CONNECTION_PROPERTIES.put("defaultRowPrefetch", "50");
    }

    public static Map<String, String>  DEFAULT_MYSQL_CONNECTION_PROPERTIES               = new HashMap<String, String>(1);
    static {
        TAtomConstants.DEFAULT_MYSQL_CONNECTION_PROPERTIES.put("characterEncoding", "gbk");
    }

    public final static String         DEFAULT_ORACLE_DRIVER_CLASS                       = "oracle.jdbc.driver.OracleDriver";

    public final static String         DEFAULT_MYSQL_DRIVER_CLASS                        = "com.mysql.jdbc.Driver";

    public final static String         DEFAULT_DRUID_ORACLE_SORTER_CLASS                 = "com.alibaba.druid.pool.vendor.OracleExceptionSorter";

    public final static String         DEFAULT_DRUID_MYSQL_SORTER_CLASS                  = "com.alibaba.druid.pool.vendor.MySqlExceptionSorter";

    public final static String         DRUID_MYSQL_INTEGRATION_SORTER_CLASS              = "com.alibaba.druid.pool.vendor.NullExceptionSorter";

    public final static String         DEFAULT_DRUID_MYSQL_VALID_CONNECTION_CHECKERCLASS = "com.alibaba.druid.pool.vendor.MySqlValidConnectionChecker";

    public final static String         DEFAULT_DRUID_ORACLE_VALIDATION_QUERY             = "select 'x' from dual";

    public final static String         DEFAULT_DRUID_MYSQL_VALIDATION_QUERY              = "select 'x'";

    /**
     * 全局配置dataId模板
     */
    private static MessageFormat       GLOBAL_FORMAT                                     = new MessageFormat("com.taobao.tddl.atom.global.{0}");

    /**
     * 应用配置dataId模板
     */
    private static MessageFormat       APP_FORMAT                                        = new MessageFormat("com.taobao.tddl.atom.app.{0}.{1}");

    private static MessageFormat       PASSWD_FORMAT                                     = new MessageFormat("com.taobao.tddl.atom.passwd.{0}.{1}.{2}");

    /**
     * dbName模板
     */
    private static final MessageFormat DB_NAME_FORMAT                                    = new MessageFormat("atom.dbkey.{0}^{1}^{2}");
    private static final String        NULL_UNIT_NAME                                    = "DEFAULT_UNIT";

    /**
     * 根据dbKey获取全局配置dataId
     * 
     * @param dbKey 数据库名KEY
     * @return
     */
    public static String getGlobalDataId(String dbKey) {
        return GLOBAL_FORMAT.format(new Object[] { dbKey });
    }

    /**
     * 根据应用名和dbKey获取指定的应用配置dataId
     * 
     * @param appName
     * @param dbKey
     * @return
     */
    public static String getAppDataId(String appName, String dbKey) {
        return APP_FORMAT.format(new Object[] { appName, dbKey });
    }

    /**
     * 根据dbKey和userName获得对应的passwd的dataId
     * 
     * @param dbKey
     * @param userName
     * @return
     */
    public static String getPasswdDataId(String dbName, String dbType, String userName) {
        return PASSWD_FORMAT.format(new Object[] { dbName, dbType, userName });
    }

    /**
     * @param unitName
     * @param appName
     * @param dbkey
     * @return
     */
    public static String getDbNameStr(String unitName, String appName, String dbkey) {
        if (StringUtils.isEmpty(unitName)) {
            return DB_NAME_FORMAT.format(new Object[] { NULL_UNIT_NAME, appName, dbkey });
        } else {
            return DB_NAME_FORMAT.format(new Object[] { appName, dbkey });
        }
    }
}