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