diff options
author | Anton Tananaev <anton.tananaev@gmail.com> | 2019-03-31 22:35:39 -0700 |
---|---|---|
committer | Anton Tananaev <anton.tananaev@gmail.com> | 2019-03-31 22:35:39 -0700 |
commit | 59416923dcb3a756eaf532cc4259f2f6625c0762 (patch) | |
tree | 9082dae6616deac8fda432b7bfd80e4a52b6d9dc /src/main/java/org/traccar/helper/PatternUtil.java | |
parent | 79a129dd6327d932133d6b9a50190d3f4927bff9 (diff) | |
download | trackermap-server-59416923dcb3a756eaf532cc4259f2f6625c0762.tar.gz trackermap-server-59416923dcb3a756eaf532cc4259f2f6625c0762.tar.bz2 trackermap-server-59416923dcb3a756eaf532cc4259f2f6625c0762.zip |
Convert project to gradle
Diffstat (limited to 'src/main/java/org/traccar/helper/PatternUtil.java')
-rw-r--r-- | src/main/java/org/traccar/helper/PatternUtil.java | 81 |
1 files changed, 81 insertions, 0 deletions
diff --git a/src/main/java/org/traccar/helper/PatternUtil.java b/src/main/java/org/traccar/helper/PatternUtil.java new file mode 100644 index 000000000..74813e1d9 --- /dev/null +++ b/src/main/java/org/traccar/helper/PatternUtil.java @@ -0,0 +1,81 @@ +/* + * Copyright 2015 - 2017 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 org.slf4j.Logger; +import org.slf4j.LoggerFactory; + +import java.lang.management.ManagementFactory; +import java.util.regex.Matcher; +import java.util.regex.Pattern; +import java.util.regex.PatternSyntaxException; + +public final class PatternUtil { + + private static final Logger LOGGER = LoggerFactory.getLogger(PatternUtil.class); + + 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) { + + if (!ManagementFactory.getRuntimeMXBean().getInputArguments().toString().contains("-agentlib:jdwp")) { + throw new RuntimeException("PatternUtil usage detected"); + } + + 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) { + LOGGER.warn("Pattern matching error", error); + } + } + + return result; + } + +} |