com.glaf.core.context.ApplicationContext.java Source code

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Here is the source code for com.glaf.core.context.ApplicationContext.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.context;

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

public class ApplicationContext {

    private static final Log logger = LogFactory.getLog(ApplicationContext.class);

    public final static String sp = System.getProperty("file.separator");

    private static volatile String appPath;

    private static volatile String classPath;

    private static volatile String contextPath;

    public static String getAppClasspath() {
        if (classPath == null) {
            StringBuffer buffer = new StringBuffer(5000);
            String root = getAppPath();
            String path = root + sp + "WEB-INF" + sp + "lib";
            java.io.File file = new java.io.File(path);
            if (file.isDirectory()) {
                String[] filelist = file.list();
                if (filelist != null) {
                    for (int i = 0, len = filelist.length; i < len; i++) {
                        if (filelist[i].endsWith(".jar")) {
                            String filename = path + sp + filelist[i];
                            buffer.append(filename).append(';');
                        }
                    }
                }
            }
            classPath = buffer.toString();
        }
        return classPath;
    }

    public static String getAppPath() {
        if (appPath == null) {
            try {
                Resource resource = new ClassPathResource("/glaf.properties");
                appPath = resource.getFile().getParentFile().getParentFile().getParentFile().getAbsolutePath();
                logger.info("app path:" + appPath);
            } catch (Exception ex) {
                ex.printStackTrace();
            }
        }
        return appPath;
    }

    public static String getContextPath() {
        return contextPath;
    }

    public static void setAppPath(String appPath) {
        ApplicationContext.appPath = appPath;
    }

    public static void setContextPath(String pContextPath) {
        if (StringUtils.isNotEmpty(pContextPath)) {
            if (StringUtils.isEmpty(contextPath)) {
                contextPath = pContextPath;
            }
        }
    }

    private ApplicationContext() {
    }

}