[bin2json] Binary to JSON converter initial contribution (#611)
Signed-off-by: Pauli Anttila <pauli.anttila@gmail.com>pull/1023/head
pali
Kai Kreuzer
parent
abed938de0
commit
fa416be057
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@ -104,6 +104,14 @@
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<scope>compile</scope>
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</dependency>
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<!-- JBBP -->
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<dependency>
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<groupId>com.igormaznitsa</groupId>
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<artifactId>jbbp</artifactId>
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<version>1.4.1</version>
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<scope>compile</scope>
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</dependency>
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<!-- Jackson -->
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<dependency>
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<groupId>org.codehaus.jackson</groupId>
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@ -141,6 +141,12 @@
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<version>${project.version}</version>
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<scope>compile</scope>
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</dependency>
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<dependency>
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<groupId>org.openhab.core.bundles</groupId>
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<artifactId>org.openhab.core.io.bin2json</artifactId>
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<version>${project.version}</version>
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<scope>compile</scope>
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</dependency>
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<dependency>
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<groupId>org.openhab.core.bundles</groupId>
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<artifactId>org.openhab.core.io.console</artifactId>
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@ -398,6 +398,14 @@
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<scope>compile</scope>
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</dependency>
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<!-- JBBP -->
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<dependency>
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<groupId>com.igormaznitsa</groupId>
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<artifactId>jbbp</artifactId>
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<version>1.4.1</version>
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<scope>compile</scope>
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</dependency>
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<!-- JmDNS -->
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<dependency>
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<groupId>org.jmdns</groupId>
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@ -0,0 +1,27 @@
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<?xml version="1.0" encoding="UTF-8"?>
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<classpath>
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<classpathentry kind="src" output="target/classes" path="src/main/java">
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<attributes>
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<attribute name="optional" value="true"/>
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<attribute name="maven.pomderived" value="true"/>
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</attributes>
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</classpathentry>
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<classpathentry kind="con" path="org.eclipse.jdt.launching.JRE_CONTAINER/org.eclipse.jdt.internal.debug.ui.launcher.StandardVMType/JavaSE-1.8">
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<attributes>
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<attribute name="maven.pomderived" value="true"/>
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</attributes>
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</classpathentry>
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<classpathentry kind="con" path="org.eclipse.m2e.MAVEN2_CLASSPATH_CONTAINER">
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<attributes>
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<attribute name="maven.pomderived" value="true"/>
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</attributes>
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</classpathentry>
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<classpathentry kind="src" output="target/test-classes" path="src/test/java">
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<attributes>
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<attribute name="optional" value="true"/>
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<attribute name="maven.pomderived" value="true"/>
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<attribute name="test" value="true"/>
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</attributes>
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</classpathentry>
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<classpathentry kind="output" path="target/classes"/>
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</classpath>
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@ -0,0 +1,23 @@
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<?xml version="1.0" encoding="UTF-8"?>
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<projectDescription>
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<name>org.openhab.core.io.bin2json</name>
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<comment></comment>
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<projects>
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</projects>
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<buildSpec>
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<buildCommand>
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<name>org.eclipse.jdt.core.javabuilder</name>
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<arguments>
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</arguments>
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</buildCommand>
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<buildCommand>
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<name>org.eclipse.m2e.core.maven2Builder</name>
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<arguments>
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</arguments>
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</buildCommand>
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</buildSpec>
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<natures>
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<nature>org.eclipse.jdt.core.javanature</nature>
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<nature>org.eclipse.m2e.core.maven2Nature</nature>
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</natures>
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</projectDescription>
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@ -0,0 +1,14 @@
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This content is produced and maintained by the openHAB project.
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* Project home: https://www.openhab.org
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== Declared Project Licenses
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This program and the accompanying materials are made available under the terms
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of the Eclipse Public License 2.0 which is available at
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https://www.eclipse.org/legal/epl-2.0/.
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== Source Code
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https://github.com/openhab/openhab-core
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@ -0,0 +1,76 @@
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# Binary data to JSON format converter
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This bundle can be used to convert binary data to JSON format.
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This bundle utilize awesome Java Binary Block Parser. See more details about the library and parse rule syntax from page [Java Binary Block Parser](https://github.com/raydac/java-binary-block-parser">https://github.com/raydac/java-binary-block-parser).
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Example usage:
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```java
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// @formatter:off
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/*
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* Frame format:
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* +----+----+-----+-----+-----+-------+-----+----+-------+
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* | CC | 64 | F | <D> | <S> | <LEN> | <DATA> | <CRC> |
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* +----+----+-----+-----+-----+-------+-----+----+-------+
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* |<------------------ HDR ---------->|
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* |<----- LEN ------>|
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* |<-------------------- CRC -------------->|
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*
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*/
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String frameParserRule =
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"ubyte cc;" // 0xCC, 204
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+ "ubyte start;" // 0x64, 100
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+ "ubyte flag;" // 0x85, 133
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+ "ubyte destinationAddress;" // 0xFD, 253
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+ "ubyte sourceAddress;" // 0x0A, 10
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+ "ubyte dataLen;" // 0x0B, 11
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+ "ubyte[dataLen] data;" // 0x2101A0010000030A040000, 33 1 160 1 0 0 3 10 4 0 0
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+ "ushort crc;"; // 0x8C17, 35863
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final byte[] testdata = new byte[] {
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(byte) 0xCC,
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(byte) 0x64,
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(byte) 0x85,
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(byte) 0xFD,
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(byte) 0x0A,
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(byte) 0x0B,
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(byte) 0x21, (byte) 0x01, (byte) 0xA0, (byte) 0x01, (byte) 0x00, (byte) 0x00, (byte) 0x03, (byte) 0x0A, (byte) 0x04, (byte) 0x00, (byte) 0x00,
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(byte) 0x8C, (byte) 0x17 };
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// @formatter:on
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JsonObject json = new Bin2Json(frameParserRule).convert(testdata);
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logger.debug(json.toString());
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```
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Outputs:
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```javascript
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{
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"cc": 204,
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"start": 100,
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"flag": 133,
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"destinationaddress": 253,
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"sourceaddress": 10,
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"datalen": 11,
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"data": [
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33,
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1,
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160,
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1,
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0,
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0,
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3,
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10,
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4,
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0,
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0
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],
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"crc": 35863
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}
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```
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@ -0,0 +1,24 @@
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<?xml version="1.0" encoding="UTF-8"?>
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<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/maven-v4_0_0.xsd">
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<modelVersion>4.0.0</modelVersion>
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<parent>
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<groupId>org.openhab.core.bundles</groupId>
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<artifactId>org.openhab.core.reactor.bundles</artifactId>
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<version>2.5.0-SNAPSHOT</version>
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</parent>
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<artifactId>org.openhab.core.io.bin2json</artifactId>
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<name>openHAB Core :: Bundles :: Binary To JSON converter</name>
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<dependencies>
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<dependency>
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<groupId>org.openhab.core.bundles</groupId>
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<artifactId>org.openhab.core</artifactId>
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<version>${project.version}</version>
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</dependency>
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</dependencies>
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</project>
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@ -0,0 +1,244 @@
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/**
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* Copyright (c) 2010-2019 Contributors to the openHAB project
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*
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* See the NOTICE file(s) distributed with this work for additional
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* information.
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*
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* This program and the accompanying materials are made available under the
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* terms of the Eclipse Public License 2.0 which is available at
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* http://www.eclipse.org/legal/epl-2.0
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*
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* SPDX-License-Identifier: EPL-2.0
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*/
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package org.openhab.core.io.bin2json;
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import java.io.IOException;
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import java.io.InputStream;
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import java.time.Duration;
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import java.time.LocalDateTime;
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import org.eclipse.jdt.annotation.NonNullByDefault;
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import org.eclipse.jdt.annotation.Nullable;
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import org.eclipse.smarthome.core.util.HexUtils;
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import org.slf4j.Logger;
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import org.slf4j.LoggerFactory;
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import com.google.gson.JsonArray;
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import com.google.gson.JsonObject;
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import com.google.gson.JsonPrimitive;
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import com.igormaznitsa.jbbp.JBBPParser;
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import com.igormaznitsa.jbbp.exceptions.JBBPException;
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import com.igormaznitsa.jbbp.model.JBBPAbstractArrayField;
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import com.igormaznitsa.jbbp.model.JBBPAbstractField;
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import com.igormaznitsa.jbbp.model.JBBPFieldArrayBit;
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import com.igormaznitsa.jbbp.model.JBBPFieldArrayBoolean;
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import com.igormaznitsa.jbbp.model.JBBPFieldArrayByte;
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import com.igormaznitsa.jbbp.model.JBBPFieldArrayInt;
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import com.igormaznitsa.jbbp.model.JBBPFieldArrayLong;
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import com.igormaznitsa.jbbp.model.JBBPFieldArrayShort;
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import com.igormaznitsa.jbbp.model.JBBPFieldArrayStruct;
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import com.igormaznitsa.jbbp.model.JBBPFieldArrayUByte;
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import com.igormaznitsa.jbbp.model.JBBPFieldArrayUShort;
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import com.igormaznitsa.jbbp.model.JBBPFieldBit;
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import com.igormaznitsa.jbbp.model.JBBPFieldBoolean;
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import com.igormaznitsa.jbbp.model.JBBPFieldByte;
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import com.igormaznitsa.jbbp.model.JBBPFieldInt;
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import com.igormaznitsa.jbbp.model.JBBPFieldLong;
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import com.igormaznitsa.jbbp.model.JBBPFieldShort;
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import com.igormaznitsa.jbbp.model.JBBPFieldStruct;
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import com.igormaznitsa.jbbp.model.JBBPFieldUByte;
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import com.igormaznitsa.jbbp.model.JBBPFieldUShort;
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/**
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* This class converts binary data to JSON format.
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*
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* Parser rules follows Java Binary Block Parser syntax.
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*
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* <p>
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*
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* See details from <a href=
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* "https://github.com/raydac/java-binary-block-parser">https://github.com/raydac/java-binary-block-parser</a>
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*
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* <p>
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* Usage example:
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*
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* <pre>
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* {@code
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* JsonObject json = new Bin2Json("byte a; byte b; ubyte c;").convert("03FAFF");
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* json.toString() = {"a":3,"b":-6,"c":255}
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* </pre>
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*
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* @author Pauli Anttila - Initial contribution
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*
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*/
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@NonNullByDefault
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public class Bin2Json {
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private final Logger logger = LoggerFactory.getLogger(Bin2Json.class);
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private final JBBPParser parser;
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/**
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* Constructor.
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*
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* @param parserRule Binary data parser rule.
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* @throws ConversionException if parse rule parsing fails.
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*/
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public Bin2Json(String parserRule) throws ConversionException {
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try {
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parser = JBBPParser.prepare(parserRule);
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} catch (JBBPException e) {
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throw new ConversionException(String.format("Illegal parser rule, reason: %s", e.getMessage(), e));
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}
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}
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/**
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* Convert {@link String} in hexadecimal string format to JSON object.
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*
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* @param hexString Data in hexadecimal string format. Example data: 03FAFF.
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* @return Gson {@link JsonObject}.
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* @throws ConversionException if an error occurs during conversion.
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*/
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public JsonObject convert(String hexString) throws ConversionException {
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try {
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return convert(HexUtils.hexToBytes(hexString));
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} catch (IllegalArgumentException e) {
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throw new ConversionException(String.format("Illegal hexstring , reason: %s", e.getMessage(), e));
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}
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}
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/**
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* Convert byte array to JSON object.
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*
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* @param data Data in byte array format.
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* @return Gson {@link JsonObject}.
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* @throws ConversionException if an error occurs during conversion.
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*/
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public JsonObject convert(byte[] data) throws ConversionException {
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try {
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return convert(parser.parse(data));
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} catch (IOException e) {
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throw new ConversionException(String.format("Unexpected error, reason: %s", e.getMessage(), e));
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} catch (JBBPException e) {
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throw new ConversionException(String.format("Unexpected error, reason: %s", e.getMessage(), e));
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}
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}
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/**
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* Convert data from {@link InputStream} to JSON object.
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*
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* @param inputStream input stream where converted data is read.
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* @return Gson {@link JsonObject}.
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* @throws ConversionException if an error occurs during conversion.
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*/
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public JsonObject convert(InputStream inputStream) throws ConversionException {
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try {
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return convert(parser.parse(inputStream));
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} catch (IOException e) {
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throw new ConversionException(String.format("Unexpected error, reason: %s", e.getMessage(), e));
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} catch (JBBPException e) {
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throw new ConversionException(String.format("Unexpected error, reason: %s", e.getMessage(), e));
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}
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}
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private JsonObject convert(JBBPFieldStruct data) throws ConversionException {
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try {
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LocalDateTime start = LocalDateTime.now();
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final JsonObject json = convertToJSon(data);
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if (logger.isTraceEnabled()) {
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Duration duration = Duration.between(start, LocalDateTime.now());
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logger.trace("Conversion time={}, json={}", duration, json);
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}
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return json;
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} catch (JBBPException e) {
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throw new ConversionException(String.format("Unexpected error, reason: %s", e.getMessage(), e));
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}
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}
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private JsonObject convertToJSon(final JBBPAbstractField field) throws ConversionException {
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return convertToJSon(null, field);
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}
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private JsonObject convertToJSon(@Nullable final JsonObject json, final JBBPAbstractField field)
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throws ConversionException {
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JsonObject jsn = json == null ? new JsonObject() : json;
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final String fieldName = field.getFieldName() == null ? "nonamed" : field.getFieldName();
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if (field instanceof JBBPAbstractArrayField) {
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final JsonArray jsonArray = new JsonArray();
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if (field instanceof JBBPFieldArrayBit) {
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for (final byte b : ((JBBPFieldArrayBit) field).getArray()) {
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jsonArray.add(new JsonPrimitive(b));
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}
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} else if (field instanceof JBBPFieldArrayBoolean) {
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for (final boolean b : ((JBBPFieldArrayBoolean) field).getArray()) {
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jsonArray.add(new JsonPrimitive(b));
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}
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} else if (field instanceof JBBPFieldArrayByte) {
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for (final byte b : ((JBBPFieldArrayByte) field).getArray()) {
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jsonArray.add(new JsonPrimitive(b));
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}
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} else if (field instanceof JBBPFieldArrayInt) {
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for (final int b : ((JBBPFieldArrayInt) field).getArray()) {
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jsonArray.add(new JsonPrimitive(b));
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}
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} else if (field instanceof JBBPFieldArrayLong) {
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for (final long b : ((JBBPFieldArrayLong) field).getArray()) {
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jsonArray.add(new JsonPrimitive(b));
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}
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} else if (field instanceof JBBPFieldArrayShort) {
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for (final short b : ((JBBPFieldArrayShort) field).getArray()) {
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jsonArray.add(new JsonPrimitive(b));
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}
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} else if (field instanceof JBBPFieldArrayStruct) {
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final JBBPFieldArrayStruct array = (JBBPFieldArrayStruct) field;
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for (int i = 0; i < array.size(); i++) {
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jsonArray.add(convertToJSon(new JsonObject(), array.getElementAt(i)));
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}
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} else if (field instanceof JBBPFieldArrayUByte) {
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for (final byte b : ((JBBPFieldArrayUByte) field).getArray()) {
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jsonArray.add(new JsonPrimitive(b & 0xFF));
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}
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} else if (field instanceof JBBPFieldArrayUShort) {
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for (final short b : ((JBBPFieldArrayUShort) field).getArray()) {
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jsonArray.add(new JsonPrimitive(b & 0xFFFF));
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}
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} else {
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throw new ConversionException(String.format("Unexpected field type '%s'", field));
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}
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jsn.add(fieldName, jsonArray);
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} else {
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if (field instanceof JBBPFieldBit) {
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jsn.addProperty(fieldName, ((JBBPFieldBit) field).getAsInt());
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} else if (field instanceof JBBPFieldBoolean) {
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jsn.addProperty(fieldName, ((JBBPFieldBoolean) field).getAsBool());
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} else if (field instanceof JBBPFieldByte) {
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jsn.addProperty(fieldName, ((JBBPFieldByte) field).getAsInt());
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} else if (field instanceof JBBPFieldInt) {
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jsn.addProperty(fieldName, ((JBBPFieldInt) field).getAsInt());
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} else if (field instanceof JBBPFieldLong) {
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jsn.addProperty(fieldName, ((JBBPFieldLong) field).getAsLong());
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} else if (field instanceof JBBPFieldShort) {
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jsn.addProperty(fieldName, ((JBBPFieldShort) field).getAsInt());
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} else if (field instanceof JBBPFieldStruct) {
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final JBBPFieldStruct struct = (JBBPFieldStruct) field;
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final JsonObject obj = new JsonObject();
|
||||
for (final JBBPAbstractField f : struct.getArray()) {
|
||||
convertToJSon(obj, f);
|
||||
}
|
||||
if (json == null) {
|
||||
return obj;
|
||||
} else {
|
||||
jsn.add(fieldName, obj);
|
||||
}
|
||||
} else if (field instanceof JBBPFieldUByte) {
|
||||
jsn.addProperty(fieldName, ((JBBPFieldUByte) field).getAsInt());
|
||||
} else if (field instanceof JBBPFieldUShort) {
|
||||
jsn.addProperty(fieldName, ((JBBPFieldUShort) field).getAsInt());
|
||||
} else {
|
||||
throw new ConversionException(String.format("Unexpected field '%s'", field));
|
||||
}
|
||||
}
|
||||
return jsn;
|
||||
}
|
||||
}
|
||||
|
|
@ -0,0 +1,42 @@
|
|||
/**
|
||||
* Copyright (c) 2010-2019 Contributors to the openHAB project
|
||||
*
|
||||
* See the NOTICE file(s) distributed with this work for additional
|
||||
* information.
|
||||
*
|
||||
* This program and the accompanying materials are made available under the
|
||||
* terms of the Eclipse Public License 2.0 which is available at
|
||||
* http://www.eclipse.org/legal/epl-2.0
|
||||
*
|
||||
* SPDX-License-Identifier: EPL-2.0
|
||||
*/
|
||||
package org.openhab.core.io.bin2json;
|
||||
|
||||
import org.eclipse.jdt.annotation.NonNullByDefault;
|
||||
|
||||
/**
|
||||
* {@link ConversionException} generic exception for errors which occurs during conversion.
|
||||
*
|
||||
* @author Pauli Anttila - Initial contribution
|
||||
*/
|
||||
@NonNullByDefault
|
||||
public class ConversionException extends Exception {
|
||||
|
||||
private static final long serialVersionUID = 1L;
|
||||
|
||||
public ConversionException() {
|
||||
super();
|
||||
}
|
||||
|
||||
public ConversionException(String message) {
|
||||
super(message);
|
||||
}
|
||||
|
||||
public ConversionException(String message, Throwable cause) {
|
||||
super(message, cause);
|
||||
}
|
||||
|
||||
public ConversionException(Throwable cause) {
|
||||
super(cause);
|
||||
}
|
||||
}
|
||||
|
|
@ -0,0 +1,72 @@
|
|||
/**
|
||||
* Copyright (c) 2010-2019 Contributors to the openHAB project
|
||||
*
|
||||
* See the NOTICE file(s) distributed with this work for additional
|
||||
* information.
|
||||
*
|
||||
* This program and the accompanying materials are made available under the
|
||||
* terms of the Eclipse Public License 2.0 which is available at
|
||||
* http://www.eclipse.org/legal/epl-2.0
|
||||
*
|
||||
* SPDX-License-Identifier: EPL-2.0
|
||||
*/
|
||||
package org.openhab.core.io.bin2json;
|
||||
|
||||
import static org.junit.Assert.assertEquals;
|
||||
|
||||
import java.io.ByteArrayInputStream;
|
||||
import java.io.IOException;
|
||||
import java.io.InputStream;
|
||||
|
||||
import org.junit.Test;
|
||||
|
||||
import com.google.gson.JsonObject;
|
||||
|
||||
/**
|
||||
* Unit tests for {@link Bin2Json}.
|
||||
*
|
||||
* @author Pauli Anttila - Initial contribution
|
||||
*/
|
||||
public class Bin2JsonTest {
|
||||
|
||||
@Test(expected = ConversionException.class)
|
||||
public void testParserRuleError() throws ConversionException {
|
||||
new Bin2Json("byte a byte b ubyte c;").convert(new byte[] { 3, 34, (byte) 255 });
|
||||
}
|
||||
|
||||
@Test
|
||||
public void testHexStringData() throws ConversionException {
|
||||
JsonObject json = new Bin2Json("byte a; byte b; ubyte c;").convert("03FAFF");
|
||||
assertEquals("{\"a\":3,\"b\":-6,\"c\":255}", json.toString());
|
||||
}
|
||||
|
||||
@Test(expected = ConversionException.class)
|
||||
public void testHexStringDataError() throws ConversionException {
|
||||
new Bin2Json("byte a; byte b; ubyte c;").convert("0322F");
|
||||
}
|
||||
|
||||
@Test
|
||||
public void testByteArrayData() throws ConversionException {
|
||||
JsonObject json = new Bin2Json("ubyte length; ubyte[length] data;")
|
||||
.convert(new byte[] { 4, 8, 33, 1, 2, 3, 4 });
|
||||
assertEquals("{\"length\":4,\"data\":[8,33,1,2]}", json.toString());
|
||||
}
|
||||
|
||||
@Test(expected = ConversionException.class)
|
||||
public void testByteArrayDataError() throws ConversionException {
|
||||
new Bin2Json("byte a; byte b; ubyte c;").convert(new byte[] { 3, 34 });
|
||||
}
|
||||
|
||||
@Test
|
||||
public void testInputStreamData() throws ConversionException, IOException {
|
||||
InputStream inputStream = new ByteArrayInputStream(new byte[] { 4, 8, 33, 1, 2, 3, 4 });
|
||||
JsonObject json = new Bin2Json("ubyte length; ubyte[length] data;").convert(inputStream);
|
||||
assertEquals("{\"length\":4,\"data\":[8,33,1,2]}", json.toString());
|
||||
}
|
||||
|
||||
@Test(expected = ConversionException.class)
|
||||
public void testInputStreamDataError() throws ConversionException {
|
||||
InputStream inputStream = new ByteArrayInputStream(new byte[] { 4, 8, 33 });
|
||||
new Bin2Json("ubyte length; ubyte[length] data;").convert(inputStream);
|
||||
}
|
||||
}
|
||||
|
|
@ -48,6 +48,7 @@
|
|||
<module>org.openhab.core.boot</module>
|
||||
<module>org.openhab.core.compat1x</module>
|
||||
<module>org.openhab.core.karaf</module>
|
||||
<module>org.openhab.core.io.bin2json</module>
|
||||
<module>org.openhab.core.io.console</module>
|
||||
<module>org.openhab.core.io.console.eclipse</module>
|
||||
<module>org.openhab.core.io.console.rfc147</module>
|
||||
|
|
|
|||
|
|
@ -125,6 +125,13 @@
|
|||
</config>
|
||||
</feature>
|
||||
|
||||
<feature name="openhab-core-io-bin2json" description="Binary to JSON converter" version="${project.version}">
|
||||
<feature>openhab-core-base</feature>
|
||||
<bundle>mvn:org.openhab.core.bundles/org.openhab.core.io.bin2json/${project.version}</bundle>
|
||||
<requirement>openhab.tp;filter:="(feature=jbbp)"</requirement>
|
||||
<feature dependency="true">openhab.tp-jbbp</feature>
|
||||
</feature>
|
||||
|
||||
<feature name="openhab-core-io-console-karaf" description="Karaf Console support for SmartHome stuff" version="${project.version}">
|
||||
<feature>openhab-core-base</feature>
|
||||
<feature>shell</feature>
|
||||
|
|
|
|||
|
|
@ -92,6 +92,11 @@
|
|||
</config>
|
||||
</feature>
|
||||
|
||||
<feature name="openhab.tp-jbbp" description="Java Binary Block Parser library" version="${project.version}">
|
||||
<capability>openhab.tp;feature=jbbp;version=1.4.1</capability>
|
||||
<bundle dependency="true">mvn:org.openhab.osgiify/com.igormaznitsa.jbbp/1.4.1</bundle>
|
||||
</feature>
|
||||
|
||||
<feature name="openhab.tp-kat.cpy-jersey-min-2.22.2" version="${project.version}">
|
||||
<feature>http</feature>
|
||||
<bundle start-level="36">mvn:org.glassfish.jersey.containers/jersey-container-servlet/2.22.2</bundle>
|
||||
|
|
|
|||
Loading…
Reference in New Issue