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root/i-scream/projects/cms/source/util/uk/org/iscream/cms/util/StringUtils.java

Comparing projects/cms/source/util/uk/org/iscream/cms/util/StringUtils.java (file contents):
Revision 1.5 by tdb, Mon Dec 10 22:49:19 2001 UTC vs.
Revision 1.7 by tdb, Sat May 18 18:16:04 2002 UTC

#	Line 1 | Line 1
1	+	/*
2	+	* i-scream central monitoring system
3	+	* Copyright (C) 2000-2002 i-scream
4	+	*
5	+	* This program is free software; you can redistribute it and/or
6	+	* modify it under the terms of the GNU General Public License
7	+	* as published by the Free Software Foundation; either version 2
8	+	* of the License, or (at your option) any later version.
9	+	*
10	+	* This program is distributed in the hope that it will be useful,
11	+	* but WITHOUT ANY WARRANTY; without even the implied warranty of
12	+	* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
13	+	* GNU General Public License for more details.
14	+	*
15	+	* You should have received a copy of the GNU General Public License
16	+	* along with this program; if not, write to the Free Software
17	+	* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
18	+	*/
19	+
20		//---PACKAGE DECLARATION---
21		package uk.org.iscream.cms.server.util;
22
#	Line 67 | Line 86 | public class StringUtils {
86		}
87
88		/**
89	<	* Checks that a given string is not matched within the
90	<	* given list of strings. For example:<br>
89	>	* Checks if a given string matches a
90	>	* wildcard expression. For example:<br>
91		* <br>
92	<	* Given "stue5de.ukc.ac.uk"<br>
93	<	* And   "raptor.ukc.ac.uk;stue*.ukc.ac.uk<br>
92	>	* Given "testingstring"<br>
93	>	* And   "test*ing"<br>
94		* <br>
95	<	* This method would return true as there is a match
95	>	* This method would return true as there is a match.
96		*
97	<	* @param source the string to look for
98	<	* @param group the group to search for a wilcard entry
97	>	* @param in the string to check
98	>	* @param expression the wildcard expression to match against
99		*
100		* @return if there is a match
101		*/
102	<	public static boolean wildcardCheck(String source, String group) {
103	<	boolean foundMatch = false;
104	<	StringTokenizer st = new StringTokenizer(group, ";");
105	<	// go through all the hosts in the group
106	<	while (st.hasMoreTokens()) {
107	<	String host = st.nextToken();
108	<	// this host has wildcards
109	<	if(host.indexOf("*") != -1) {
110	<	StringTokenizer hostst = new StringTokenizer(host, "*");
111	<	String part = "";
112	<	int index = 0;
113	<	// the first token will be everything at the start
114	<	// unless it starts with a wildcard
115	<	if(!host.startsWith("*")) {
97	<	part = hostst.nextToken();
98	<	if (source.startsWith(part)) {
99	<	foundMatch = true;
100	<	index = part.length();
101	<	}
102	<	// all of the start of the string is matched
103	<	} else {
104	<	foundMatch = true;
102	>	public static boolean wildcardMatch(String in, String expression) {
103	>	// check actually has wildcards
104	>	if(expression.indexOf("*") != -1) {
105	>	StringTokenizer st = new StringTokenizer(expression, "*");
106	>	String part = "";
107	>	int index = 0;
108	>	// the first token will be everything at the start
109	>	// unless it starts with a wildcard
110	>	// -- if it starts with a wildcard the start
111	>	//    will always match
112	>	if(!expression.startsWith("*")) {
113	>	part = st.nextToken();
114	>	if (in.startsWith(part)) {
115	>	index = part.length();
116		}
117	<	// if the start matched, we want to check the rest...
118	<	if (foundMatch) {
119	<	while (hostst.hasMoreTokens()) {
120	<	part = hostst.nextToken();
110	<	// if the next section can't be matched
111	<	// then this isn't in the source
112	<	if(source.substring(index).indexOf(part) == -1) {
113	<	foundMatch = false;
114	<	// we don't want to look through any more of it
115	<	break;
116	<	} else {
117	<	foundMatch = true;
118	<	index += source.substring(index).indexOf(part) + part.length();
119	<	}
120	<	}
121	<	// if we reach here and we've found a match
122	<	// we want to check that the last part
123	<	// of the wildcard string is the last part
124	<	// of the source, if it is, we break out
125	<	// and finish as we've found a match.
126	<	// if the end of the wildcard is a *, then
127	<	// we don't care
128	<	if (!host.endsWith("*") && foundMatch) {
129	<	if ((source.endsWith(part))) {
130	<	//_logger.write(toString(), Logger.DEBUG, "wildcard match found for - " + source + " in - " + host);
131	<	break;
132	<	// if there is no match, say so so we go round again
133	<	} else {
134	<	foundMatch = false;
135	<	}
136	<	} else if (foundMatch) {
137	<	//_logger.write(toString(), Logger.DEBUG, "wildcard match found for - " + source + " in - " + host);
138	<	break;
139	<	}
117	>	else {
118	>	// doesn't start with the first part
119	>	// can't be a match
120	>	return false;
121		}
122		}
123	+	while (st.hasMoreTokens()) {
124	+	part = st.nextToken();
125	+	// if the next section can't be matched
126	+	// then this isn't in the input string
127	+	if(in.substring(index).indexOf(part) == -1) {
128	+	// we don't want to look through any more of it
129	+	// can't be a match if this part isn't there
130	+	return false;
131	+	}
132	+	else {
133	+	// move index pointer to start of the "rest"
134	+	// where the rest is everything after what we just matched
135	+	index += in.substring(index).indexOf(part) + part.length();
136	+	}
137	+	}
138	+	// if we reach here and we've found a match
139	+	// we want to check that the last part
140	+	// of the wildcard string is the last part
141	+	// of the input string, if it is, we break out
142	+	// and finish as we've found a match.
143	+	// if the end of the wildcard is a *, then
144	+	// we don't care
145	+	if (!expression.endsWith("*")) {
146	+	if ((in.endsWith(part))) {
147	+	return true;
148	+	}
149	+	else {
150	+	// doesn't end with the first part
151	+	// can't be a match
152	+	return false;
153	+	}
154	+	// ends with a *, so it matches the
155	+	// end regardless
156	+	}
157	+	else {
158	+	return true;
159	+	}
160		}
161	<	return foundMatch;
161	>	else if(in.equals(expression)) {
162	>	// might as well do a check if they're the same
163	>	// bit daft to call this whole method if they are though :)
164	>	return true;
165	>	}
166	>	else {
167	>	// obviously doesn't match if it's not a wildcard
168	>	// expression or isn't equal :)
169	>	return false;
170	>	}
171		}
172
173		//---CONSTRUCTORS---

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