org.springframework.util.PatternMatchUtils Maven / Gradle / Ivy
/*
* Copyright 2002-2006 the original author or authors.
*
* 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.springframework.util;
/**
* Utility methods for simple pattern matching, in particular for
* Spring's typical "xxx*", "*xxx" and "*xxx*" pattern styles.
*
* @author Juergen Hoeller
* @since 2.0
*/
public abstract class PatternMatchUtils {
/**
* Match a String against the given pattern, supporting the following simple
* pattern styles: "xxx*", "*xxx" and "*xxx*" matches, as well as direct equality.
* @param pattern the pattern to match against
* @param str the String to match
* @return whether the String matches the given pattern
*/
public static boolean simpleMatch(String pattern, String str) {
if (ObjectUtils.nullSafeEquals(pattern, str) || "*".equals(pattern)) {
return true;
}
if (pattern == null || str == null) {
return false;
}
if (pattern.startsWith("*") && pattern.endsWith("*") &&
str.indexOf(pattern.substring(1, pattern.length() - 1)) != -1) {
return true;
}
if (pattern.startsWith("*") && str.endsWith(pattern.substring(1, pattern.length()))) {
return true;
}
if (pattern.endsWith("*") && str.startsWith(pattern.substring(0, pattern.length() - 1))) {
return true;
}
return false;
}
/**
* Match a String against the given patterns, supporting the following simple
* pattern styles: "xxx*", "*xxx" and "*xxx*" matches, as well as direct equality.
* @param patterns the patterns to match against
* @param str the String to match
* @return whether the String matches any of the given patterns
*/
public static boolean simpleMatch(String[] patterns, String str) {
if (patterns != null) {
for (int i = 0; i < patterns.length; i++) {
if (simpleMatch(patterns[i], str)) {
return true;
}
}
}
return false;
}
}