| 1 | package org.apache.velocity.anakia; |
| 2 | |
| 3 | /* |
| 4 | * Copyright 2001,2004 The Apache Software Foundation. |
| 5 | * |
| 6 | * Licensed under the Apache License, Version 2.0 (the "License"); |
| 7 | * you may not use this file except in compliance with the License. |
| 8 | * You may obtain a copy of the License at |
| 9 | * |
| 10 | * http://www.apache.org/licenses/LICENSE-2.0 |
| 11 | * |
| 12 | * Unless required by applicable law or agreed to in writing, software |
| 13 | * distributed under the License is distributed on an "AS IS" BASIS, |
| 14 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| 15 | * See the License for the specific language governing permissions and |
| 16 | * limitations under the License. |
| 17 | */ |
| 18 | |
| 19 | /** |
| 20 | * This class is for escaping CDATA sections. The code was |
| 21 | * "borrowed" from the JDOM code. I also added in escaping |
| 22 | * of the " -> " character. |
| 23 | * |
| 24 | * @author <a href="mailto:jon@latchkey.com">Jon S. Stevens</a> |
| 25 | * @version $Id: Escape.java,v 1.4.14.1 2004/03/03 23:22:04 geirm Exp $ |
| 26 | */ |
| 27 | public class Escape |
| 28 | { |
| 29 | /** |
| 30 | * Empty constructor |
| 31 | */ |
| 32 | public Escape() |
| 33 | { |
| 34 | // left blank on purpose |
| 35 | } |
| 36 | |
| 37 | /** |
| 38 | * Do the escaping. |
| 39 | */ |
| 40 | public static final String getText(String st) |
| 41 | { |
| 42 | StringBuffer buff = new StringBuffer(); |
| 43 | char[] block = st.toCharArray(); |
| 44 | String stEntity = null; |
| 45 | int i, last; |
| 46 | |
| 47 | for (i=0, last=0; i < block.length; i++) |
| 48 | { |
| 49 | switch(block[i]) |
| 50 | { |
| 51 | case '<' : |
| 52 | stEntity = "<"; |
| 53 | break; |
| 54 | case '>' : |
| 55 | stEntity = ">"; |
| 56 | break; |
| 57 | case '&' : |
| 58 | stEntity = "&"; |
| 59 | break; |
| 60 | case '"' : |
| 61 | stEntity = """; |
| 62 | break; |
| 63 | default : |
| 64 | /* no-op */ ; |
| 65 | } |
| 66 | if (stEntity != null) |
| 67 | { |
| 68 | buff.append(block, last, i - last); |
| 69 | buff.append(stEntity); |
| 70 | stEntity = null; |
| 71 | last = i + 1; |
| 72 | } |
| 73 | } |
| 74 | if(last < block.length) |
| 75 | { |
| 76 | buff.append(block, last, i - last); |
| 77 | } |
| 78 | return buff.toString(); |
| 79 | } |
| 80 | } |