messageresourceservicebean.java

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/*
 * @author                        : Neelesh
 * @Version                       : 1.0
 *
 * Development Environment        : Oracle 9i JDeveloper
 * Name of the File               : MessageResourceServiceBean.java
 * Creation/Modification History  :
 *
 * Neelesh    03-Feb-2002      Created
 *
 */
package oracle.otnsamples.vsm.services;

import java.util.Locale;

import javax.ejb.SessionBean;
import javax.ejb.SessionContext;

import oracle.otnsamples.util.MessageCache;


/**
 * This is the bean implementation for the message look up service. The class
 * makes use of MessageCache to look up the messges
 */
public class MessageResourceServiceBean implements SessionBean {
  /**
   * Method to create an instance of the bean
   */
  public void ejbCreate() {
  }
  /**
   * Container callback method
   */
  public void ejbActivate() {
  }
  /**
   * Container callback method
   */
  public void ejbPassivate() {
  }
  /**
   * Container callback method
   */
  public void ejbRemove() {
  }
  /**
   * Container callback method
   */
  public void setSessionContext(SessionContext ctx) {
  }
  /**
   * This method returns a message for a given key and language id
   *
   * @param <b>key</b> - The message key
   * @param <b>langID</b> - The language id
   *
   * @return <b>String</b> - The corresponding message or null, if not present
   */
  public String getMessage(String key, String langID)
                    throws ServiceException {

    return MessageCache.getMessage(key, langID);
  }
  /**
   * This method returns a message for a given key and the defaullanguage id
   *
   * @param <b>key</b> - The message key
   * @param <b>langID</b> - The language id
   *
   * @return <b>String</b> - The corresponding message or null, if not present
   */
  public String getMessage(String key) throws ServiceException {

    return MessageCache.getMessage(key);
  }
  /**
   * This method returns a message for a given key and locale
   *
   * @param <b>key</b> - The message key
   * @param <b>locale</b> - The locale
   *
   * @return <b>String</b> - The corresponding message or null, if not present
   */
  public String getMessage(String key, Locale locale)
                    throws ServiceException {

    return MessageCache.getMessage(key, locale);
  }
  /**
   * This method returns a list of messages for a given set of keys and
   * language id
   *
   * @param <b>keys</b> - The set of message keys
   * @param <b>langID</b> - The language id
   *
   * @return <b>String[]</b> - The corresponding set of messages. An entry in
   *         this array may be null, if the message for that key is not
   *         present
   */
  public String[] getMessages(String[] keys, String langID)
                       throws ServiceException {

    return MessageCache.getMessages(keys, langID);
  }
}