/*
 * Copyright (c) 2005-2011 Grameen Foundation USA
 * 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.framework.struts.tags;

import java.util.Locale;
import java.util.Map;
import java.util.concurrent.ConcurrentHashMap;

import org.apache.struts.util.MessageResourcesFactory;
import org.apache.struts.util.PropertyMessageResources;
import org.mifos.application.master.MessageLookup;
import org.mifos.application.servicefacade.ApplicationContextProvider;
import org.mifos.config.exceptions.ConfigurationException;
import org.mifos.framework.util.helpers.BundleKey;

public class MifosPropertyMessageResources extends PropertyMessageResources {

    private final Map<BundleKey, String> dbMap_labels = new ConcurrentHashMap<BundleKey, String>();

    public MifosPropertyMessageResources(final MessageResourcesFactory factory, final String config, final boolean returnNull) {
        super(factory, config, returnNull);
    }

    public MifosPropertyMessageResources(final MessageResourcesFactory factory, final String config) {
        super(factory, config);
    }

    private static final long serialVersionUID = 75674564734673651L;

    /**
     * Used in one method: LabelTagUtils.getLabel()
     */
    @Override
    public String getMessage(final Locale locale, final String key) {
        String returnVal = null;
        returnVal = super.getMessage(locale, key);
        if (returnVal == null) {
            // try to get from the local hashmap
            try {
                returnVal = ApplicationContextProvider.getBean(MessageLookup.class).getLabel(key);
            } catch (ConfigurationException ce) {
                // eat it
            }
        }

        if (returnVal == null) {
            returnVal = dbMap_labels.get(new BundleKey(locale, key));
        }
        return returnVal;
    }
}