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/*
* Copyright 2015 - 2016 Anton Tananaev (anton@traccar.org)
*
* 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.traccar.helper;
import java.util.regex.Matcher;
import java.util.regex.Pattern;
import java.util.regex.PatternSyntaxException;
public final class PatternUtil {
private PatternUtil() {
}
public static class MatchResult {
private String patternMatch;
private String patternTail;
private String stringMatch;
private String stringTail;
public String getPatternMatch() {
return patternMatch;
}
public String getPatternTail() {
return patternTail;
}
public String getStringMatch() {
return stringMatch;
}
public String getStringTail() {
return stringTail;
}
}
public static MatchResult checkPattern(String pattern, String input) {
MatchResult result = new MatchResult();
for (int i = 0; i < pattern.length(); i++) {
try {
Matcher matcher = Pattern.compile("(" + pattern.substring(0, i) + ").*").matcher(input);
if (matcher.matches()) {
result.patternMatch = pattern.substring(0, i);
result.patternTail = pattern.substring(i);
result.stringMatch = matcher.group(1);
result.stringTail = input.substring(matcher.group(1).length());
}
} catch (PatternSyntaxException error) {
Log.warning(error);
}
}
return result;
}
}
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