001// Copyright 2010 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
015package org.apache.tapestry5.internal;
016
017import java.net.MalformedURLException;
018import java.net.URL;
019
020/**
021 * Defines constants for the two basic asset prefixes.
022 * 
023 * @since 5.2.0
024 */
025public class AssetConstants
026{
027    /** For assets that are stored in the web application context. */
028    public static final String CONTEXT = "context";
029
030    /** For assets that are stored in the classpath (i.e., inside 3rd party component library JARs). */
031    public static final String CLASSPATH = "classpath";
032
033    /** For assets that are external (stored in another service) and have a non-secure URL (http://...) */
034    public static final String HTTP = "http";
035
036    /** For assets that are external (stored in another service) and have a secure URL (https://...) */
037    public static final String HTTPS = "https";
038
039    /** For assets that are external (stored in another service) and have a protocol-relative URL (//...) */
040    public static final String PROTOCOL_RELATIVE = "//";
041
042    /** For assets that are external (stored in another service) and stored in a publicly available FTP server (ftp://...) */
043    public static final String FTP = "ftp";
044
045}