org.coode.string.EscapeUtils Maven / Gradle / Ivy
/*
* This file is part of the OWL API.
*
* The contents of this file are subject to the LGPL License, Version 3.0.
*
* Copyright (C) 2011, The University of Manchester
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see http://www.gnu.org/licenses/.
*
*
* Alternatively, the contents of this file may be used under the terms of the Apache License, Version 2.0
* in which case, the provisions of the Apache License Version 2.0 are applicable instead of those above.
*
* Copyright 2011, University of Manchester
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.coode.string;
/** Author: Matthew Horridge
* The University Of Manchester
* Bio-Health Informatics Group
* Date: 16-Apr-2008
*
*
* @deprecated use EscapeUtils from the api util package. */
@Deprecated
public class EscapeUtils {
/**
* Escapes quotes and backslashes in a string. Double
* quotes are replaced with a backslash followed by a double
* quote, and backslashes are replaced with a double backslash.
* @param s The string to be escaped
* @return The escaped string.
*/
public static String escapeString(String s) {
// We replace double quotes with a back slash followed
// by a double quote. We replace backslashes with a double
// backslash
if (s.indexOf('\"') == -1 && s.indexOf('\\') == -1) {
return s;
}
StringBuilder sb = new StringBuilder(s.length() + 20);
for (int i = 0; i < s.length(); i++) {
char ch = s.charAt(i);
if (ch == '\\') {
sb.append('\\');
sb.append('\\');
}
else if (ch == '\"') {
sb.append('\\');
sb.append('\"');
}
else {
sb.append(ch);
}
}
return sb.toString();
}
/**
* @param s string to unescape
* @return the unescaped string
*/
public static String unescapeString(String s) {
if (s.indexOf('\\') == -1) {
return s;
}
StringBuilder sb = new StringBuilder(s.length());
for (int i = 0; i < s.length(); i++) {
char ch = s.charAt(i);
if (ch == '\\') {
int j = i + 1;
if (j < s.length()) {
char escCh = s.charAt(j);
if (escCh == '\\' || escCh == '\"') {
i++;
sb.append(escCh);
}
}
else {
sb.append('\\');
}
}
else {
sb.append(ch);
}
}
return sb.toString();
}
/** @param s
* @return escaped string
* @deprecated Use
* {@link org.semanticweb.owlapi.io.XMLUtils#escapeXML(CharSequence)} */
@Deprecated
public static String escapeXML(String s) {
// double quote -- quot
// ampersand -- amp
// less than -- lt
// greater than -- gt
// apostrophe -- apos
StringBuilder sb = new StringBuilder(s.length() * 2);
for (int i = 0; i < s.length(); i++) {
char ch = s.charAt(i);
if (ch == '<') {
sb.append("<");
}
else if (ch == '>') {
sb.append(">");
}
else if (ch == '\"') {
sb.append(""");
}
else if (ch == '&') {
sb.append("&");
}
else if (ch == '\'') {
sb.append("&#");
sb.append(Integer.toString(ch, 10));
sb.append(';');
}
else {
sb.append(ch);
}
}
return sb.toString();
}
}