Mercurial > hg > LightPIT / file revision

 /*

  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.

  * 

  * Copyright 2017 Mike Becker. 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.

  *

  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"

  * AND ANY EXPRESS 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 COPYRIGHT HOLDER OR 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

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  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE

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  * 

  */

 package de.uapcore.lightpit;

 import java.lang.annotation.Documented;

 import java.lang.annotation.ElementType;

 import java.lang.annotation.Retention;

 import java.lang.annotation.RetentionPolicy;

 import java.lang.annotation.Target;

 import javax.servlet.annotation.WebServlet;

 /**

  * Contains information about a LightPIT module.

  * 

  * This annotation is typically used to annotate the {@link WebServlet} which

  * implements the module's functionality.

  */

 @Documented

 @Retention(RetentionPolicy.RUNTIME)

 @Target(ElementType.TYPE)

 public @interface LightPITModule {

     /**

      * Base name of the module specific resource bundle.

      * @return a base name suitable for the JSTL tag 'setBundle'.

      */

     String bundleBaseName();

     /**

      * An array of required modules, identified by the string representation of

      * their class names.

      * @return an array of class names of required modules

      */

     String[] requires() default {};

     /**

      * The path for this module, which will be used for the menu entry.

      * 

      * This path must adhere to the URL pattern of the Servlet but must not

      * contain any starting or trailing slashes.

      * 

      * @return the relative module path

      */

     String modulePath();

     /**

      * Returns the properties key for the menu label.

      * 

      * Set this string to empty string, if the module should be hidden from

      * the menu.

      * 

      * @return the properties key

      */

     String menuKey() default "menuLabel";

     /**

      * Returns the properties key for the page title.

      * 

      * By default this is the same as the menu label.

      * 

      * @return the properties key

      */

     String titleKey() default "menuLabel";

     /**

      * Class representing the annotation.

      * This is necessary, because the EL resolver cannot deal with

      * annotation objects.

      * 

      * Note, that only the properties which are interesting for the JSP pages

      * are proxied by this object.

      */

     public static class ELProxy {

         private final String bundleBaseName, modulePath, menuKey, titleKey;

         public static ELProxy convert(LightPITModule annotation) {

             return new ELProxy(

                     annotation.bundleBaseName(),

                     annotation.modulePath(),

                     annotation.menuKey(),

                     annotation.titleKey()

             );

         }

         private ELProxy(String bundleBaseName, String modulePath, String menuKey, String titleKey) {

             this.bundleBaseName = bundleBaseName;

             this.modulePath = modulePath;

             this.menuKey = menuKey;

             this.titleKey = titleKey;

         }

         public String getBundleBaseName() {

             return bundleBaseName;

         }

         public String getMenuKey() {

             return menuKey;

         }

         public String getModulePath() {

             return modulePath;

         }

         public String getTitleKey() {

             return titleKey;

         }

     }

 }