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Posted to dev@turbine.apache.org by ep...@apache.org on 2003/11/14 14:40:49 UTC

cvs commit: jakarta-turbine-fulcrum/localization/api/src/java/org/apache/fulcrum/localization LocalizationService.java

epugh       2003/11/14 05:40:49

  Added:       localization/api project.xml .cvsignore
               localization/api/src/java/org/apache/fulcrum/localization
                        LocalizationService.java
  Log:
  Localization broken out into api
  
  Revision  Changes    Path
  1.1                  jakarta-turbine-fulcrum/localization/api/project.xml
  
  Index: project.xml
  ===================================================================
  <?xml version="1.0"?>
  
  <project>
  
    <extend>${basedir}/../../project.xml</extend>
    <id>fulcrum-localization-api</id>
    <name>Fulcrum Localization API</name>
    <currentVersion>1.0-alpha-4</currentVersion>
    <package>org.apache.fulcrum.localization</package>
   
    <dependencies>
  
      <dependency>
        <id>servletapi</id>
        <version>2.3</version>
      </dependency>
  
    </dependencies>
  
  </project>
  
  
  
  
  1.1                  jakarta-turbine-fulcrum/localization/api/.cvsignore
  
  Index: .cvsignore
  ===================================================================
  target
  *.log
  .classpath
  .project
  jcoverage.ser
  
  
  
  1.1                  jakarta-turbine-fulcrum/localization/api/src/java/org/apache/fulcrum/localization/LocalizationService.java
  
  Index: LocalizationService.java
  ===================================================================
  package org.apache.fulcrum.localization;
  
  /* ====================================================================
   * The Apache Software License, Version 1.1
   *
   * Copyright (c) 2001 The Apache Software Foundation.  All rights
   * reserved.
   *
   * Redistribution and use in source and binary forms, with or without
   * modification, are permitted provided that the following conditions
   * are met:
   *
   * 1. Redistributions of source code must retain the above copyright
   *    notice, this list of conditions and the following disclaimer.
   *
   * 2. Redistributions in binary form must reproduce the above copyright
   *    notice, this list of conditions and the following disclaimer in
   *    the documentation and/or other materials provided with the
   *    distribution.
   *
   * 3. The end-user documentation included with the redistribution,
   *    if any, must include the following acknowledgment:
   *       "This product includes software developed by the
   *        Apache Software Foundation (http://www.apache.org/)."
   *    Alternately, this acknowledgment may appear in the software itself,
   *    if and wherever such third-party acknowledgments normally appear.
   *
   * 4. The names "Apache" and "Apache Software Foundation" and
   *    "Apache Turbine" must not be used to endorse or promote products
   *    derived from this software without prior written permission. For
   *    written permission, please contact apache@apache.org.
   *
   * 5. Products derived from this software may not be called "Apache",
   *    "Apache Turbine", nor may "Apache" appear in their name, without
   *    prior written permission of the Apache Software Foundation.
   *
   * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED
   * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
   * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
   * DISCLAIMED.  IN NO EVENT SHALL THE APACHE SOFTWARE FOUNDATION OR
   * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
   * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
   * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
   * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
   * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
   * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
   * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
   * SUCH DAMAGE.
   * ====================================================================
   *
   * This software consists of voluntary contributions made by many
   * individuals on behalf of the Apache Software Foundation.  For more
   * information on the Apache Software Foundation, please see
   * <http://www.apache.org/>.
   */
  
  import java.util.Locale;
  import java.util.ResourceBundle;
  import javax.servlet.http.HttpServletRequest;
  import java.util.MissingResourceException;
  
  /**
   * <p>Provides localization functionality using the interface provided
   * by <code>ResourceBundle</code>, plus leverages a "search path"
   * style traversal of the <code>ResourceBundle</code> objects named by
   * the <code>locale.default.bundles</code> to discover a value for a
   * given key.</p>
   *
   * <p>It is suggested that one handle
   * <a href="http://www.math.fu-berlin.de/~rene/www/java/tutorial/i18n/message/messageFormat.html">dealing with concatenated messages</a>
   * using <code>MessageFormat</code> and properties files.</p>
   *
   * @author <a href="mailto:jon@latchkey.com">Jon S. Stevens</a>
   * @author <a href="mailto:dlr@finemaltcoding.com">Daniel Rall</a>
   * @author <a href="mailto:leonardr@collab.net">Leonard Richardson</a>
   * @author <a href="mailto:mcconnell@apache.org">Stephen McConnell</a>
   * @version $Id: LocalizationService.java,v 1.1 2003/11/14 13:40:48 epugh Exp $
   */
  public interface LocalizationService
  {
      String ROLE = LocalizationService.class.getName();
      String SERVICE_NAME = ROLE;
  
      /**
       * A constant for the HTTP <code>Accept-Language</code> header.
       */
      String ACCEPT_LANGUAGE = "Accept-Language";
  
      /**
       * Retrieves the default language (as specified in the config
       * file).
       */
      String getDefaultLanguage();
  
      /**
       * Retrieves the default country (as specified in the config
       * file).
       */
      String getDefaultCountry();
  
      /**
       * Retrieves the name of the default bundle (as specified in the
       * config file), or the first in the list if there are more than
       * one.
       */
      String getDefaultBundleName();
  
      /**
       * Retrieves the list of names of bundles to search by default for
       * <code>ResourceBundle</code> keys (as specified in the config
       * file).
       *
       * @return The list of configured bundle names.
       */
      String[] getBundleNames();
  
      /**
       * Convenience method to get the default <code>ResourceBundle</code>.
       *
       * @return A localized <code>ResourceBundle</code>.
       */
      ResourceBundle getBundle();
  
      /**
       * Returns a ResourceBundle given the bundle name and the default
       * locale information supplied by the configuration.
       *
       * @param bundleName Name of bundle.
       * @return A localized ResourceBundle.
       */
      ResourceBundle getBundle(String bundleName);
  
      /**
       * Convenience method to get a ResourceBundle based on name and
       * HTTP <code>Accept-Language</code> header.
       *
       * @param bundleName Name of bundle.
       * @param languageHeader A String with the language header.
       * @return A localized ResourceBundle.
       */
      ResourceBundle getBundle(String bundleName, String languageHeader);
  
      /**
       * Convenience method to get a ResourceBundle based on HTTP
       * Accept-Language header in HttpServletRequest.
       *
       * @param req The HTTP request to parse the
       * <code>Accept-Language</code> of.
       * @return A localized ResourceBundle.
       */
      ResourceBundle getBundle(HttpServletRequest req);
  
      /**
       * Convenience method to get a <code>ResourceBundle</code> based
       * on name and HTTP <code>Accept-Language</code> header from a
       * <code>HttpServletRequest</code>.
       *
       * @param bundleName Name of bundle.
       * @param req The HTTP request to parse the
       * <code>Accept-Language</code> of.
       * @return A localized ResourceBundle.
       */
      ResourceBundle getBundle(String bundleName, HttpServletRequest req);
  
      /**
       * Convenience method to get a ResourceBundle based on name and
       * Locale.
       *
       * @param bundleName Name of bundle.
       * @param locale A Locale.
       * @return A localized ResourceBundle.
       */
      ResourceBundle getBundle(String bundleName, Locale locale);
  
      /**
       * Attempts to pull the <code>Accept-Language</code> header out of
       * the <code>HttpServletRequest</code> object and then parse it.
       * If the header is not present, it will return a
       * <code>null</code> <code>Locale</code>.
       *
       * @param req The HTTP request to parse the
       * <code>Accept-Language</code> of.
       * @return The parsed locale.
       */
      Locale getLocale(HttpServletRequest req);
  
      /**
       * Parses the <code>Accept-Language</code> header and attempts to
       * create a <code>Locale</code> from it.
       *
       * @param header The language header (i.e. <code>en, es;q=0.8,
       * zh-TW;q=0.1</code>), or <code>null</code> for the locale
       * corresponding to the default language and country.
       * @return The parsed locale, or a locale corresponding to the
       * language and country defaults.
       */
      Locale getLocale(String languageHeader);
  
      /**
       * Tries very hard to return a value, looking first in the
       * specified bundle, then searching list of default bundles
       * (giving precedence to earlier bundles over later bundles).
       *
       * @param bundleName Name of the bundle to look in first.
       * @param locale Locale to get text for.
       * @param key Name of the text to retrieve.
       * @return Localized text.
       */
      String getString(String bundleName, Locale locale, String key) throws MissingResourceException;
  
      /**
       * This method sets the name of the defaultBundle.
       *
       * @param defaultBundle Name of default bundle.
       */
      void setBundle(String defaultBundle);
  
      /**
       * Formats a localized value using the provided object.
       *
       * @param bundleName The bundle in which to look for the localizable text.
       * @param locale The locale for which to format the text.
       * @param key The identifier for the localized text to retrieve,
       * @param arg1 The object to use as {0} when formatting the localized text.
       * @return Formatted localized text.
       * @see #format(String, Locale, String, Object[])
       */
      String format(String bundleName, Locale locale,
                           String key, Object arg1);
  
      /**
       * Formats a localized value using the provided objects.
       *
       * @param bundleName The bundle in which to look for the localizable text.
       * @param locale The locale for which to format the text.
       * @param key The identifier for the localized text to retrieve,
       * @param arg1 The object to use as {0} when formatting the localized text.
       * @param arg2 The object to use as {1} when formatting the localized text.
       * @return Formatted localized text.
       * @see #format(String, Locale, String, Object[])
       */
      String format(String bundleName, Locale locale,
                           String key, Object arg1, Object arg2);
  
      /**
       * Formats a localized value using the provided objects.
       *
       * @param bundleName The bundle in which to look for the localizable text.
       * @param locale The locale for which to format the text.
       * @param key The identifier for the localized text to retrieve,
       * @param args The objects to use as {0}, {1}, etc. when
       *             formatting the localized text.
       * @return Formatted localized text.
       */
      String format(String bundleName, Locale locale,
                           String key, Object[] args);
  }
  
  
  

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