com.googlecode.jtiger.modules.ecside.resource.TableResourceBundle.java Source code

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Here is the source code for com.googlecode.jtiger.modules.ecside.resource.TableResourceBundle.java

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/*
 * Copyright 2004 original author or authors.
 *
 * 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 com.googlecode.jtiger.modules.ecside.resource;

import java.text.MessageFormat;
import java.util.ArrayList;
import java.util.List;
import java.util.Locale;
import java.util.MissingResourceException;
import java.util.ResourceBundle;

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

import com.googlecode.jtiger.modules.ecside.common.log.LogHandler;
import com.googlecode.jtiger.modules.ecside.core.Messages;
import com.googlecode.jtiger.modules.ecside.core.TableModelUtils;
import com.googlecode.jtiger.modules.ecside.core.context.WebContext;

/**
 * Load up the resource bundle that will be used by the Model.
 * 
 * @author Jeff Johnston
 */

@SuppressWarnings("unchecked")
public class TableResourceBundle implements Messages {
    private Log logger = LogFactory.getLog(TableResourceBundle.class);

    public final static String EXTREMETABLE_RESOURCE_BUNDLE = "com.googlecode.jtiger.modules.ecside.resource.ecsideResourceBundle";

    private ResourceBundle defaultResourceBundle;
    private Locale locale;

    private List customResourceBundleList = new ArrayList();
    private static String SPLIT = ",";

    public void init(WebContext context, Locale locale) {

        this.locale = locale;
        defaultResourceBundle = findResourceBundle(EXTREMETABLE_RESOURCE_BUNDLE, locale);
        String messagesLocations = TableModelUtils.getMessagesLocation(context);

        if (StringUtils.isBlank(messagesLocations)) {
            return;
        }

        String[] messagesLocationA = messagesLocations.split(SPLIT);
        String messagesLocation;
        for (int i = 0; i < messagesLocationA.length; i++) {
            messagesLocation = messagesLocationA[i].trim();
            if (StringUtils.isNotBlank(messagesLocation)) {
                customResourceBundleList.add(findResourceBundle(messagesLocation, locale));
            }
        }

    }

    private ResourceBundle findResourceBundle(String resourceBundleLocation, Locale locale) {
        try {
            return ResourceBundle.getBundle(resourceBundleLocation, locale, getClass().getClassLoader());
        } catch (MissingResourceException e) {
            LogHandler.errorLog(logger, "The resource bundle [ " + resourceBundleLocation
                    + "] was not found. Make sure the path and resource name is correct.", e);
        }

        return null;
    }

    /**
     * Get the resource property.
     */
    public String getMessage(String code) {
        return getMessage(code, null);
    }

    /**
    * Get the resource property.
    */
    public String getMessage(String code, Object[] args) {
        String result = null;
        ResourceBundle customResourceBundle;
        for (int i = 0; i < customResourceBundleList.size(); i++) {
            customResourceBundle = (ResourceBundle) customResourceBundleList.get(i);
            result = findResource(customResourceBundle, code);
            if (result != null) {
                break;
            }
        }

        if (result == null) {
            result = findResource(defaultResourceBundle, code);
        }

        if (result != null && args != null) {
            MessageFormat formatter = new MessageFormat("");
            formatter.setLocale(locale);
            formatter.applyPattern(result);
            result = formatter.format(args);
        }

        return result;
    }

    private String findResource(ResourceBundle resourceBundle, String code) {
        String result = null;

        if (resourceBundle == null) {
            return result;
        }

        try {
            result = resourceBundle.getString(code);
        } catch (MissingResourceException e) {
            // nothing we can do so eat the message
        }

        return result;
    }
}