001/*
002    Licensed to the Apache Software Foundation (ASF) under one
003    or more contributor license agreements.  See the NOTICE file
004    distributed with this work for additional information
005    regarding copyright ownership.  The ASF licenses this file
006    to you under the Apache License, Version 2.0 (the
007    "License"); you may not use this file except in compliance
008    with the License.  You may obtain a copy of the License at
009
010       http://www.apache.org/licenses/LICENSE-2.0
011
012    Unless required by applicable law or agreed to in writing,
013    software distributed under the License is distributed on an
014    "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
015    KIND, either express or implied.  See the License for the
016    specific language governing permissions and limitations
017    under the License.
018 */
019
020package org.apache.wiki.util;
021
022
023import org.apache.commons.lang3.StringUtils;
024
025/**
026 * Enumerates supported URI schemes.
027 *
028 */
029public enum URIScheme {
030
031    HTTP("http"), HTTPS("https");
032
033    public final String id;
034
035    URIScheme(final String id) {
036        if( StringUtils.isNotBlank( id ) ) {
037            this.id = id;
038        } else {
039            throw new IllegalArgumentException("id must not be blank");
040        }
041    }
042
043    public String getId() {
044        return id;
045    }
046
047    public boolean same(final String scheme) {
048        return id.equalsIgnoreCase(scheme);
049    }
050
051    @Override
052    public String toString() {
053        return id;
054    }
055
056}