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author | Anton Tananaev <anton.tananaev@gmail.com> | 2019-03-31 22:35:39 -0700 |
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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/PatternBuilder.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/PatternBuilder.java')
-rw-r--r-- | src/main/java/org/traccar/helper/PatternBuilder.java | 98 |
1 files changed, 98 insertions, 0 deletions
diff --git a/src/main/java/org/traccar/helper/PatternBuilder.java b/src/main/java/org/traccar/helper/PatternBuilder.java new file mode 100644 index 000000000..5c4638189 --- /dev/null +++ b/src/main/java/org/traccar/helper/PatternBuilder.java @@ -0,0 +1,98 @@ +/* + * Copyright 2015 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.ArrayList; +import java.util.regex.Pattern; + +public class PatternBuilder { + + private final ArrayList<String> fragments = new ArrayList<>(); + + public PatternBuilder optional() { + return optional(1); + } + + public PatternBuilder optional(int count) { + fragments.add(fragments.size() - count, "(?:"); + fragments.add(")?"); + return this; + } + + public PatternBuilder expression(String s) { + s = s.replaceAll("\\|$", "\\\\|"); // special case for delimiter + + fragments.add(s); + return this; + } + + public PatternBuilder text(String s) { + fragments.add(s.replaceAll("([\\\\\\.\\[\\{\\(\\)\\*\\+\\?\\^\\$\\|])", "\\\\$1")); + return this; + } + + public PatternBuilder number(String s) { + s = s.replace("dddd", "d{4}").replace("ddd", "d{3}").replace("dd", "d{2}"); + s = s.replace("xxxx", "x{4}").replace("xxx", "x{3}").replace("xx", "x{2}"); + + s = s.replace("d", "\\d").replace("x", "[0-9a-fA-F]").replaceAll("([\\.])", "\\\\$1"); + s = s.replaceAll("\\|$", "\\\\|").replaceAll("^\\|", "\\\\|"); // special case for delimiter + + fragments.add(s); + return this; + } + + public PatternBuilder any() { + fragments.add(".*"); + return this; + } + + public PatternBuilder binary(String s) { + fragments.add(s.replaceAll("(\\p{XDigit}{2})", "\\\\$1")); + return this; + } + + public PatternBuilder or() { + fragments.add("|"); + return this; + } + + public PatternBuilder groupBegin() { + return expression("(?:"); + } + + public PatternBuilder groupEnd() { + return expression(")"); + } + + public PatternBuilder groupEnd(String s) { + return expression(")" + s); + } + + public Pattern compile() { + return Pattern.compile(toString(), Pattern.DOTALL); + } + + @Override + public String toString() { + StringBuilder builder = new StringBuilder(); + for (String fragment : fragments) { + builder.append(fragment); + } + return builder.toString(); + } + +} |