org.mifos.dmt.configuration.DMTPropertiesLoader.java Source code

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Here is the source code for org.mifos.dmt.configuration.DMTPropertiesLoader.java

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/*
 * Copyright (c) 2011-2015 SunGard Global Services, Bangalore
 * All rights reserved.
 *
 * 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.
 *
 * See also http://www.apache.org/licenses/LICENSE-2.0.html for an
 * explanation of the license and how it is applied.
 */

package org.mifos.dmt.configuration;

import java.math.BigDecimal;
import java.util.Iterator;
import java.util.List;

import org.apache.commons.configuration.CompositeConfiguration;
import org.apache.commons.configuration.ConfigurationException;
import org.apache.commons.configuration.EnvironmentConfiguration;
import org.apache.commons.configuration.PropertiesConfiguration;
import org.apache.commons.configuration.SystemConfiguration;

public class DMTPropertiesLoader {

    private static DMTPropertiesLoader propertiesObj = null;
    private CompositeConfiguration config;

    private DMTPropertiesLoader() throws ConfigurationException {
        config = new CompositeConfiguration();
        config.addConfiguration(new SystemConfiguration());
        config.addConfiguration(new EnvironmentConfiguration());
        String confPath = config.getString("DMT_CONF");
        if (confPath == null || confPath == "" || confPath.equalsIgnoreCase("")) {
            throw new ConfigurationException("DMT_CONF not defined");
        }
        config.addConfiguration(new PropertiesConfiguration(confPath + "\\dmt.custom.properties"));
        config.addConfiguration(new PropertiesConfiguration("dmt.properties"));
        config.setThrowExceptionOnMissing(true);
    }

    @SuppressWarnings("rawtypes")
    public Iterator getKeys(String key) {
        return config.getKeys(key);
    }

    public static DMTPropertiesLoader getInstance() throws ConfigurationException {
        if (propertiesObj == null) {
            propertiesObj = new DMTPropertiesLoader();
        }
        return propertiesObj;
    }

    public Object clone() throws CloneNotSupportedException {
        throw new CloneNotSupportedException();
    }

    public String getString(String key) {
        return config.getString(key);
    }

    public int getInt(String key) {
        return config.getInt(key, 0);
    }

    public BigDecimal getBigDecimal(String key) {
        return config.getBigDecimal(key);
    }

    public boolean getBoolean(String key) {
        return config.getBoolean(key);
    }

    public double getDouble(String key) {
        return config.getDouble(key);
    }

    @SuppressWarnings("rawtypes")
    public List getAllValues(String key) {
        return config.getList(key);
    }
}