| Classes in this File | Line Coverage | Branch Coverage | Complexity | ||||
| StructureSink |
|
| 2.0;2 |
| 1 | package org.apache.maven.doxia.sink; | |
| 2 | ||
| 3 | /* | |
| 4 | * Licensed to the Apache Software Foundation (ASF) under one | |
| 5 | * or more contributor license agreements. See the NOTICE file | |
| 6 | * distributed with this work for additional information | |
| 7 | * regarding copyright ownership. The ASF licenses this file | |
| 8 | * to you under the Apache License, Version 2.0 (the | |
| 9 | * "License"); you may not use this file except in compliance | |
| 10 | * with the License. You may obtain a copy of the License at | |
| 11 | * | |
| 12 | * http://www.apache.org/licenses/LICENSE-2.0 | |
| 13 | * | |
| 14 | * Unless required by applicable law or agreed to in writing, | |
| 15 | * software distributed under the License is distributed on an | |
| 16 | * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY | |
| 17 | * KIND, either express or implied. See the License for the | |
| 18 | * specific language governing permissions and limitations | |
| 19 | * under the License. | |
| 20 | */ | |
| 21 | ||
| 22 | /** Utility methods for Sinks. */ | |
| 23 | 0 | public class StructureSink |
| 24 | { | |
| 25 | /** | |
| 26 | * Checks if the given string corresponds to an external URI, | |
| 27 | * ie is not a link within the same document. | |
| 28 | * | |
| 29 | * @param link The link to check. | |
| 30 | * @return True if the link (ignoring case) starts with either of the | |
| 31 | * following: "http:/", "https:/", "ftp:/", "mailto:", "file:/", | |
| 32 | * "../" or "./". Note that Windows style separators "\" are not allowed | |
| 33 | * for URIs, see http://www.ietf.org/rfc/rfc2396.txt , section 2.4.3. | |
| 34 | */ | |
| 35 | public static boolean isExternalLink( String link ) | |
| 36 | { | |
| 37 | 0 | String text = link.toLowerCase(); |
| 38 | ||
| 39 | 0 | return ( text.indexOf( "http:/" ) == 0 || text.indexOf( "https:/" ) == 0 |
| 40 | || text.indexOf( "ftp:/" ) == 0 || text.indexOf( "mailto:" ) == 0 | |
| 41 | || text.indexOf( "file:/" ) == 0 || text.indexOf( "../" ) == 0 | |
| 42 | || text.indexOf( "./" ) == 0 ); | |
| 43 | } | |
| 44 | ||
| 45 | /** | |
| 46 | * Transforms the given text such that it can be used as a link. | |
| 47 | * | |
| 48 | * @param text The text to transform. | |
| 49 | * @return A text with escaped special characters. | |
| 50 | * @todo This is apt specific, need to clarify general use. | |
| 51 | */ | |
| 52 | public static String linkToKey( String text ) | |
| 53 | { | |
| 54 | 0 | int length = text.length(); |
| 55 | 0 | StringBuffer buffer = new StringBuffer( length ); |
| 56 | ||
| 57 | 0 | for ( int i = 0; i < length; ++i ) |
| 58 | { | |
| 59 | 0 | char c = text.charAt( i ); |
| 60 | 0 | if ( Character.isLetterOrDigit( c ) ) |
| 61 | { | |
| 62 | 0 | buffer.append( Character.toLowerCase( c ) ); |
| 63 | } | |
| 64 | } | |
| 65 | ||
| 66 | 0 | return buffer.toString(); |
| 67 | } | |
| 68 | } |