    001    // Copyright 2006, 2007, 2008, 2009, 2010, 2011 The Apache Software Foundation
    002    //
    003    // Licensed under the Apache License, Version 2.0 (the "License");
    004    // you may not use this file except in compliance with the License.
    005    // You may obtain a copy of the License at
    006    //
    007    // http://www.apache.org/licenses/LICENSE-2.0
    008    //
    009    // Unless required by applicable law or agreed to in writing, software
    010    // distributed under the License is distributed on an "AS IS" BASIS,
    011    // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
    012    // See the License for the specific language governing permissions and
    013    // limitations under the License.
    014
    015    package org.apache.tapestry5.internal.services;
    016
    017    import org.apache.tapestry5.corelib.components.Form;
    018    import org.apache.tapestry5.corelib.components.FormInjector;
    019    import org.apache.tapestry5.corelib.components.Zone;
    020    import org.apache.tapestry5.services.javascript.JavaScriptStack;
    021
    022    /**
    023     * Constants used when processing requests from the client web browser.
    024     */
    025    public final class RequestConstants
    026    {
    027
    028        /**
    029         * Virtual folder name for assets that are actually stored in the context, but are exposed (much like classpath
    030         * assets) to gain far-future expires headers and automatic content compression.
    031         *
    032         * @since 5.1.0.0
    033         */
    034        public static final String CONTEXT_FOLDER = "ctx";
    035
    036        /**
    037         * Folder for combined {@link JavaScriptStack} JavaScript files. The path consists of the locale (as a folder) and
    038         * the name
    039         * of the stack (suffixed with ".js").
    040         *
    041         * @since 5.2.0
    042         */
    043        public static final String STACK_FOLDER = "stack";
    044
    045        /**
    046         * Name of parameter, in an Ajax update, that identifies the client-side id of the {@link Form} being extended. Used
    047         * with {@link Zone}, {@link FormInjector} and other similar components that may be contained within a form.
    048         *
    049         * @since 5.2.0
    050         */
    051        public static final String FORM_CLIENTID_PARAMETER = "t:formid";
    052
    053        /**
    054         * The server-side part of {@link #FORM_CLIENTID_PARAMETER} identifying the server-side component id.
    055         *
    056         * @since 5.2.0
    057         */
    058        public static final String FORM_COMPONENTID_PARAMETER = "t:formcomponentid";
    059    }