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-rw-r--r--src/org/traccar/helper/PatternUtil.java41
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diff --git a/src/org/traccar/helper/PatternUtil.java b/src/org/traccar/helper/PatternUtil.java
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+/*
+ * Copyright 2015 Anton Tananaev (anton.tananaev@gmail.com)
+ *
+ * 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 class PatternUtil {
+
+ public static String checkPattern(String pattern, String input) {
+
+ String match = null;
+
+ for (int i = 0; i < pattern.length(); i++) {
+ try {
+ Matcher matcher = Pattern.compile(pattern.substring(0, i) + ".*").matcher(input);
+ if (matcher.matches()) {
+ match = pattern.substring(0, i);
+ }
+ } catch (PatternSyntaxException e) {
+ }
+ }
+
+ return match;
+ }
+
+}