net.hasor.utils.MatchUtils Maven / Gradle / Ivy
/*
* Copyright 2008-2009 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 net.hasor.utils;
/**
*
* @version : 2014年7月8日
* @author 赵永春 ([email protected])
*/
public class MatchUtils {
public static enum MatchTypeEnum {
/**通配符：通过：? 和 * 进行匹配。*/
Wild,
/**正则表达式匹配。*/
Regex
}
/**将通配符转换成正则表达式。*/
public static String wildToRegex(final String wild) {
if (wild == null) {
throw new NullPointerException("wild param is null");
}
StringBuffer result = new StringBuffer("");
char metachar[] = { '$', '^', '[', ']', '(', ')', '{', '|', '+', '.', '\\' };
for (int i = 0; i < wild.length(); i++) {
char ch = wild.charAt(i);
for (char element : metachar) {
if (ch == element) {
result.append("\\");
}
}
if (ch == '*') {
result.append(".*");
} else if (ch == '?') {
result.append(".");
} else {
result.append(ch);
}
}
result.append("$");
return result.toString();
}
/**使用通配符匹配字符串。*/
public static boolean matchWild(final String pattern, final String str) {
if (str == null) {
return false;
}
return str.matches(MatchUtils.wildToRegex(pattern));
}
//
/**将通配符转换成正则表达式。*/
public static boolean wildToRegex(final String pattern, final String str, MatchTypeEnum matchType) {
if (MatchTypeEnum.Regex == matchType) {
return str.matches(pattern);
} else if (MatchTypeEnum.Wild == matchType) {
return matchWild(pattern, str);
}
return false;
}
}