org.sakaiproject.jsf2.util.ConfigurationResource Maven / Gradle / Ivy

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/**********************************************************************************
Copyright (c) 2018 Apereo Foundation

Licensed under the Educational Community 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://opensource.org/licenses/ecl2

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 org.sakaiproject.jsf2.util;

import java.util.ResourceBundle;
import java.util.Enumeration;
import java.util.Locale;

import lombok.extern.slf4j.Slf4j;

/**
 * Thin wrapper for lookup of configuration of resources.
 */
@Slf4j
public class ConfigurationResource
{
  private ResourceBundle configurationBundle;
  private final String CONFIG_PACKAGE = "org.sakaiproject.jsf2";

  /**
   * Get resources for default locale.
   */
  public ConfigurationResource()
  {
    configurationBundle = ResourceBundle.getBundle(CONFIG_PACKAGE + "." + "Configuration");
  }

  /**
   * Get resources for specific locale.
   * @param locale Locale
   */
  public ConfigurationResource(Locale locale)
  {
    configurationBundle = ResourceBundle.getBundle(CONFIG_PACKAGE + "." +
      "Configuration", locale);
  }

  /**
   * Look up key/value
   * @param key String
   * @return String value for key, or empty string if not found
   */
  public String get(String key)
  {
    try
    {
      return configurationBundle.getString(key);
    }
    catch (Exception ex)
    {
      return "";
    }
  }

  /**
   * Return true only if this key exists.
   * @param key String
   * @return boolean
   */
  public boolean exists(String key)
  {
    try {
      configurationBundle.getString(key);
      return true;
    }
    catch (Exception ex) {
      return false;
    }
  }


  public static void main(String[] args)
  {
    ConfigurationResource cr = new ConfigurationResource();
    Enumeration enumeration = cr.configurationBundle.getKeys();
    while (enumeration.hasMoreElements())
    {
      String key = (String) enumeration.nextElement();
      String value = cr.get(key);
      log.debug("{}={}", key, value);
    }
    log.debug("xxx exists={}", cr.exists("xxx"));
    log.debug("xxx={}", cr.get("xxx"));
    log.debug("inputRichText_none exists={}", cr.exists("inputRichText_none"));
    log.debug("inputRichText_none={}", cr.get("inputRichText_none"));
    log.debug("inputRichText_small exists={}", cr.exists("inputRichText_small"));
    log.debug("inputRichText_small={}", cr.get("inputRichText_small"));
  }
}