com.glaf.core.config.Environment.java Source code

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Here is the source code for com.glaf.core.config.Environment.java

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/*
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF 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 com.glaf.core.config;

import java.util.Enumeration;
import java.util.Map;
import java.util.Properties;
import java.util.concurrent.ConcurrentHashMap;
import java.util.concurrent.ConcurrentMap;

import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import org.apache.commons.lang3.StringUtils;

import com.glaf.core.security.LoginContext;

public class Environment {
    protected static final Log logger = LogFactory.getLog(Environment.class);

    public static final String CURRENT_SYSTEM_NAME = "CURRENT_SYSTEM_NAME";

    public static final String CURRENT_USER = "CURRENT_USER";

    public static final String DEFAULT_SYSTEM_NAME = "default";

    protected static ConcurrentMap<String, Properties> systemProperties = new ConcurrentHashMap<String, Properties>();

    protected static ThreadLocal<LoginContext> threadLocalContexts = new ThreadLocal<LoginContext>();

    protected static ThreadLocal<Map<String, String>> threadLocalVaribles = new ThreadLocal<Map<String, String>>();

    protected static ThreadLocal<String> systemNameThreadLocal = new ThreadLocal<String>();

    public static void clear() {
        threadLocalContexts.remove();
        threadLocalVaribles.remove();
        systemNameThreadLocal.remove();
    }

    public static String getCurrentDatabaseType() {
        return DBConfiguration.getCurrentDatabaseType();
    }

    public static String getCurrentSystemName() {
        if (systemNameThreadLocal.get() != null) {
            logger.debug("systemName:" + systemNameThreadLocal.get());
            return systemNameThreadLocal.get();
        }
        return DEFAULT_SYSTEM_NAME;
    }

    public static Properties getCurrentSystemProperties() {
        String dsName = getCurrentSystemName();
        return systemProperties.get(dsName);
    }

    public static String getCurrentUser() {
        if (threadLocalVaribles.get() != null) {
            return threadLocalVaribles.get().get(CURRENT_USER);
        }
        return null;
    }

    public static LoginContext getLoginContext() {
        if (threadLocalContexts.get() != null) {
            return threadLocalContexts.get();
        }
        return null;
    }

    public static Map<String, Properties> getSystemProperties() {
        return systemProperties;
    }

    public static Properties getSystemPropertiesByName(String name) {
        Properties props = systemProperties.get(name);
        Properties p = new Properties();
        Enumeration<?> e = props.keys();
        while (e.hasMoreElements()) {
            String key = (String) e.nextElement();
            String value = props.getProperty(key);
            p.put(key, value);
        }
        return p;
    }

    public static String getThreadLocalProperty(String key) {
        if (threadLocalVaribles.get() != null) {
            return threadLocalVaribles.get().get(key);
        }
        return null;
    }

    public static String getThreadLocalProperty(String key, String defaultValue) {
        if (threadLocalVaribles.get() != null) {
            return threadLocalVaribles.get().get(key);
        }
        return defaultValue;
    }

    public static void removeCurrentSystemName() {
        systemNameThreadLocal.set(null);
        systemNameThreadLocal.remove();
    }

    public static void setCurrentSystemName(String value) {
        systemNameThreadLocal.set(value);
        logger.debug("->systemName:" + Environment.getCurrentSystemName());
    }

    public static void setCurrentUser(String actorId) {
        Map<String, String> dataMap = threadLocalVaribles.get();
        if (dataMap == null) {
            dataMap = new java.util.HashMap<String, String>();
            threadLocalVaribles.set(dataMap);
        }
        dataMap.put(CURRENT_USER, actorId);
    }

    public static void setLoginContext(LoginContext loginContext) {
        if (loginContext != null) {
            threadLocalContexts.set(loginContext);
        }
    }

    public static void setThreadLocalProperty(String key, String value) {
        Map<String, String> dataMap = threadLocalVaribles.get();
        if (dataMap == null) {
            dataMap = new java.util.HashMap<String, String>();
            threadLocalVaribles.set(dataMap);
        }
        if (!(StringUtils.equals(key, CURRENT_SYSTEM_NAME) || StringUtils.equals(key, CURRENT_USER))) {
            dataMap.put(key, value);
        }
    }

}