javaquery/api/src/main/java/org/apidesign/bck2brwsr/htmlpage/api/OnReceive.java
author Jaroslav Tulach <jaroslav.tulach@apidesign.org>
Mon, 08 Apr 2013 16:51:30 +0200
branchmodel
changeset 954 6448c284fe21
parent 934 19b4ddc302a6
child 964 df60ba2aeb87
permissions -rw-r--r--
Support for JSONP
     1 /**
     2  * Back 2 Browser Bytecode Translator
     3  * Copyright (C) 2012 Jaroslav Tulach <jaroslav.tulach@apidesign.org>
     4  *
     5  * This program is free software: you can redistribute it and/or modify
     6  * it under the terms of the GNU General Public License as published by
     7  * the Free Software Foundation, version 2 of the License.
     8  *
     9  * This program is distributed in the hope that it will be useful,
    10  * but WITHOUT ANY WARRANTY; without even the implied warranty of
    11  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
    12  * GNU General Public License for more details.
    13  *
    14  * You should have received a copy of the GNU General Public License
    15  * along with this program. Look for COPYING file in the top folder.
    16  * If not, see http://opensource.org/licenses/GPL-2.0.
    17  */
    18 package org.apidesign.bck2brwsr.htmlpage.api;
    19 
    20 import java.lang.annotation.ElementType;
    21 import java.lang.annotation.Retention;
    22 import java.lang.annotation.RetentionPolicy;
    23 import java.lang.annotation.Target;
    24 
    25 /** Static methods in classes annotated by {@link Model} or {@link Page}
    26  * can be marked by this annotation establish a JSON communication point.
    27  * The associated model page then gets new method to invoke a network
    28  * connection 
    29  * 
    30  * @author Jaroslav Tulach <jtulach@netbeans.org>
    31  */
    32 @Retention(RetentionPolicy.SOURCE)
    33 @Target(ElementType.METHOD)
    34 public @interface OnReceive {
    35     /** The URL to connect to. Can contain variable names surrounded by '{' and '}'.
    36      * Those parameters will then become variables of the associated method.
    37      * 
    38      * @return the (possibly parametrized) url to connect to
    39      */
    40     String url();
    41     
    42     /** Support for <a href="http://en.wikipedia.org/wiki/JSONP">JSONP</a> requires
    43      * a callback from the server generated page to a function defined in the
    44      * system. The name of such function is usually specified as a property
    45      * (of possibly different names). By defining the <code>jsonp</code> attribute
    46      * one turns on the <a href="http://en.wikipedia.org/wiki/JSONP">JSONP</a> 
    47      * transmission and specifies the name of the property. The property should
    48      * also be used in the {@link #url()} attribute on appropriate place.
    49      * 
    50      * @return name of a property to carry the name of <a href="http://en.wikipedia.org/wiki/JSONP">JSONP</a>
    51      *    callback function.
    52      */
    53     String jsonp() default "";
    54 }