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

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Here is the source code for com.glaf.core.config.SystemProperties.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.io.File;
import java.io.IOException;
import java.util.concurrent.ConcurrentHashMap;
import java.util.concurrent.ConcurrentMap;
import java.util.concurrent.atomic.AtomicBoolean;

import org.apache.commons.lang3.StringUtils;
import org.springframework.core.io.ClassPathResource;
import org.springframework.core.io.Resource;

import com.glaf.core.util.Constants;
import com.glaf.core.util.FileUtils;
import com.glaf.core.util.StringTools;

public class SystemProperties {

    private static final Configuration conf = BaseConfiguration.create();

    protected static AtomicBoolean loading = new AtomicBoolean(false);

    protected final static ConcurrentMap<String, String> concurrentMap = new ConcurrentHashMap<String, String>();

    protected static final String DEPLOYMENT_SYSTEM_NAME = "deploymentSystemName";

    private static volatile String ROOT_CONF_PATH = null;

    private static volatile String ROOT_APP_PATH = null;

    public static String getAppPath() {
        if (ROOT_APP_PATH == null) {
            reload();
        }
        return ROOT_APP_PATH;
    }

    public static boolean getBoolean(String key) {
        if (hasObject(key)) {
            String value = conf.get(key);
            return Boolean.valueOf(value).booleanValue();
        }
        return false;
    }

    public static boolean getBoolean(String key, boolean defaultValue) {
        if (hasObject(key)) {
            String value = conf.get(key);
            return Boolean.valueOf(value).booleanValue();
        }
        return defaultValue;
    }

    /**
     * webWEB-INF
     * 
     * @return
     */
    public static String getConfigRootPath() {
        if (ROOT_CONF_PATH == null) {
            reload();
        }
        if (ROOT_CONF_PATH == null) {
            ROOT_CONF_PATH = System.getProperty("config.path");
        }
        return ROOT_CONF_PATH;
    }

    /**
     * ???
     * 
     * @return
     */
    public static String getDeploymentSystemName() {
        return System.getProperty(DEPLOYMENT_SYSTEM_NAME);
    }

    public static double getDouble(String key) {
        if (hasObject(key)) {
            String value = conf.get(key);
            return Double.parseDouble(value);
        }
        return 0;
    }

    /**
     * ?
     * 
     * @return
     */
    public static String getFileStorageRootPath() {
        if (StringUtils.isNotEmpty(conf.get("fs_storage_path"))) {
            String path = conf.get("fs_storage_path");
            if (StringUtils.startsWith(path, "${webapp.root}")) {
                path = StringTools.replaceIgnoreCase(path, "${webapp.root}", getAppPath());
            }
            if (StringUtils.startsWith(path, "${webapp.root.config}")) {
                path = StringTools.replaceIgnoreCase(path, "${webapp.root.config}", getConfigRootPath());
            }
            return path;
        }
        return getConfigRootPath();
    }

    public static int getInt(String key) {
        if (hasObject(key)) {
            String value = conf.get(key);
            return Integer.parseInt(value);
        }
        return 0;
    }

    public static long getLong(String key) {
        if (hasObject(key)) {
            String value = conf.get(key);
            return Long.parseLong(value);
        }
        return 0;
    }

    /**
     * ?????
     * 
     * @return
     */
    public static String getMasterDataSourceConfigFile() {
        String deploymentSystemName = getDeploymentSystemName();
        if (deploymentSystemName != null && deploymentSystemName.length() > 0) {
            return Constants.DEPLOYMENT_JDBC_PATH + deploymentSystemName + "/jdbc.properties";
        }
        return Constants.DEFAULT_MASTER_JDBC_CONFIG;
    }

    public static String getDefaultSecurityKey() {
        String path = getConfigRootPath() + "/key";
        return getSecurityKey(path);
    }

    public static String getSecurityKey(String path) {
        if (concurrentMap.containsKey(path)) {
            return concurrentMap.get(path);
        }

        File file = new File(path);
        if (file.exists() && file.isFile()) {
            String content = FileUtils.readFile(path);
            concurrentMap.put(path, content);
        }

        return concurrentMap.get(path);
    }

    public static String getString(String key) {
        if (hasObject(key)) {
            String value = conf.get(key);
            return value;
        }
        return null;
    }

    public static String getString(String key, String defaultValue) {
        if (hasObject(key)) {
            String value = conf.get(key);
            return value;
        }
        return defaultValue;
    }

    public static boolean hasObject(String key) {
        String value = conf.get(key);
        if (value != null) {
            return true;
        }
        return false;
    }

    public static void reload() {
        if (!loading.get()) {
            try {
                loading.set(true);
                Resource resource = new ClassPathResource(Constants.SYSTEM_CONFIG);
                ROOT_CONF_PATH = resource.getFile().getParentFile().getParentFile().getAbsolutePath();
                ROOT_APP_PATH = resource.getFile().getParentFile().getParentFile().getParentFile()
                        .getAbsolutePath();
                System.out.println("load system config:" + resource.getFile().getAbsolutePath());
            } catch (IOException ex) {
                ex.printStackTrace();
                throw new RuntimeException(ex);
            } finally {
                loading.set(false);
            }
        }
    }

    private SystemProperties() {

    }

}