net.servicefixture.Configuration.java Source code

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Here is the source code for net.servicefixture.Configuration.java

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/*
 * Copyright 2006 (C) Chunyun Zhao(Chunyun.Zhao@gmail.com).
 * 
 * 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 net.servicefixture;

import java.io.IOException;
import java.util.Properties;

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

import net.servicefixture.util.InfoLogger;

/**
 * Loads properties from servicefixture.properties.
 * 
 * @author Chunyun Zhao
 * @since Aug 02, 2006
 */
public final class Configuration {
    private static Log log = LogFactory.getLog(Configuration.class);

    private static Configuration configuration;
    public static final String SERVICEFIXTURE_PROPERTIES = "servicefixture.properties";

    private Properties properties = new Properties();

    private Configuration() {
    }

    public static Configuration getInstance() {
        if (configuration == null) {
            configuration = new Configuration();
            configuration.loadProperties();
        }
        return configuration;
    }

    private void loadProperties() {
        try {
            properties.load(
                    Thread.currentThread().getContextClassLoader().getResourceAsStream(SERVICEFIXTURE_PROPERTIES));
            InfoLogger.log(log, "Loaded properties from " + SERVICEFIXTURE_PROPERTIES + " successfully.");
        } catch (IOException e) {
            InfoLogger.log(log,
                    "Unable to loaded properties from " + SERVICEFIXTURE_PROPERTIES + " due to:" + e.toString());
        }
    }

    public String getProperty(String propertyName) {
        return properties.getProperty(propertyName);
    }
}