diff options
| -rw-r--r-- | src/org/traccar/helper/PatternBuilder.java | 67 | ||||
| -rw-r--r-- | src/org/traccar/protocol/TotemProtocolDecoder.java | 65 | ||||
| -rw-r--r-- | test/org/traccar/helper/PatternBuilderTest.java | 14 |
3 files changed, 114 insertions, 32 deletions
diff --git a/src/org/traccar/helper/PatternBuilder.java b/src/org/traccar/helper/PatternBuilder.java new file mode 100644 index 000000000..7d307668d --- /dev/null +++ b/src/org/traccar/helper/PatternBuilder.java @@ -0,0 +1,67 @@ +/* + * 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.Pattern; + +public class PatternBuilder { + + private final StringBuilder pattern = new StringBuilder(); + + private final boolean collapse = true; + + public PatternBuilder xpr(String s) { + pattern.append(s); + return this; + } + + public PatternBuilder txt(String s) { + pattern.append(s.replaceAll("([\\\\\\.\\[\\{\\(\\*\\+\\?\\^\\$\\|])", "\\\\$1")); + return this; + } + + public PatternBuilder num(String s) { + if (collapse) { + 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}"); + } + pattern.append(s.replace("d", "\\d").replace("x", "\\p{XDigit}").replaceAll("([\\.\\|])", "\\\\$1")); + return this; + } + + public PatternBuilder any() { + pattern.append(".*"); + return this; + } + + public PatternBuilder not(String s) { + return xpr("[^").txt(s).xpr("]+"); + } + + public PatternBuilder nxt(String s) { + return not(s).txt(s); + } + + public Pattern compile() { + return Pattern.compile(pattern.toString(), Pattern.DOTALL); + } + + @Override + public String toString() { + return pattern.toString(); + } + +} diff --git a/src/org/traccar/protocol/TotemProtocolDecoder.java b/src/org/traccar/protocol/TotemProtocolDecoder.java index b87198481..4f65d2cbd 100644 --- a/src/org/traccar/protocol/TotemProtocolDecoder.java +++ b/src/org/traccar/protocol/TotemProtocolDecoder.java @@ -22,6 +22,7 @@ import java.util.regex.Matcher; import java.util.regex.Pattern; import org.jboss.netty.channel.Channel; import org.traccar.BaseProtocolDecoder; +import org.traccar.helper.PatternBuilder; import org.traccar.model.Event; import org.traccar.model.Position; @@ -31,38 +32,38 @@ public class TotemProtocolDecoder extends BaseProtocolDecoder { super(protocol); } - private static final Pattern pattern1 = Pattern.compile( - "\\$\\$" + // Header - "\\p{XDigit}{2}" + // Length - "(\\d+)\\|" + // IMEI - "(..)" + // Alarm Type - "\\$GPRMC," + - "(\\d{2})(\\d{2})(\\d{2})\\.\\d+," + // Time (HHMMSS.SS) - "([AV])," + // Validity - "(\\d+)(\\d{2}\\.\\d+)," + // Latitude (DDMM.MMMM) - "([NS])," + - "(\\d+)(\\d{2}\\.\\d+)," + // Longitude (DDDMM.MMMM) - "([EW])," + - "(\\d+\\.?\\d*)?," + // Speed - "(\\d+\\.?\\d*)?," + // Course - "(\\d{2})(\\d{2})(\\d{2})" + // Date (DDMMYY) - "[^\\*]+\\*\\p{XDigit}{2}\\|" + // Checksum - "\\d+\\.\\d+\\|" + // PDOP - "(\\d+\\.\\d+)\\|" + // HDOP - "\\d+\\.\\d+\\|" + // VDOP - "(\\d+)\\|" + // IO Status - "\\d+\\|" + // Time - "\\d" + // Charged - "(\\d{3})" + // Battery - "(\\d{4})\\|" + // External Power - "(?:(\\d+)\\|)?" + // ADC - "(\\p{XDigit}+)\\|" + // Location Code - "(\\d+)\\|" + // Temperature - "(\\d+.\\d+)\\|" + // Odometer - "\\d+\\|" + // Serial Number - ".*\\|?" + - "\\p{XDigit}{4}" + // Checksum - "\r?\n?"); + private static final Pattern pattern1 = new PatternBuilder() + .txt("$$") // header + .num("xx") // length + .num("(d+)|") // imei + .xpr("(..)") // alarm + .txt("$GPRMC,") + .num("(dd)(dd)(dd).d+,") // time + .xpr("([AV]),") // validity + .num("(d+)(dd.d+),([NS]),") // latitude + .num("(d+)(dd.d+),([EW]),") // longitude + .num("(d+.?d*)?,") // speed + .num("(d+.?d*)?,") // course + .num("(dd)(dd)(dd)") // date + .nxt("*") + .num("xx|") // checksum + .num("d+.d+|") // pdop + .num("(d+.d+)|") // hdop + .num("d+.d+|") // vdop + .num("(d+)|") // io status + .num("d+|") // time + .num("d") // charged + .num("(ddd)") // battery + .num("(dddd)|") // power + .num("(?:(d+)|)?") // adc + .num("(x+)|") // location code + .num("(d+)|") // temperature + .num("(d+.d+)|") // odometer + .num("d+|") // serial number + .any() + .num("xxxx") // checksum + .any() + .compile(); private static final Pattern pattern2 = Pattern.compile( "\\$\\$" + // Header diff --git a/test/org/traccar/helper/PatternBuilderTest.java b/test/org/traccar/helper/PatternBuilderTest.java new file mode 100644 index 000000000..a36481934 --- /dev/null +++ b/test/org/traccar/helper/PatternBuilderTest.java @@ -0,0 +1,14 @@ +package org.traccar.helper; + +import org.junit.Assert; +import org.junit.Test; + +public class PatternBuilderTest { + + @Test + public void testPatternBuilder() { + Assert.assertEquals("\\$GPRMC", new PatternBuilder().txt("$GPRMC").toString()); + Assert.assertEquals("(\\d{2}\\.\\p{XDigit}+)", new PatternBuilder().num("(dd.x+)").toString()); + } + +} |