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tbel: add parseBytesToDouble

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nickAS21 2023-06-14 18:56:36 +03:00
parent 50d3a6d925
commit 6d0b16e41c
1 changed files with 43 additions and 0 deletions
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43
common/script/script-api/src/main/java/org/thingsboard/script/api/tbel/TbUtils.java
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@ -16,6 +16,7 @@
package org.thingsboard.script.api.tbel; package org.thingsboard.script.api.tbel;
import com.google.common.primitives.Bytes; import com.google.common.primitives.Bytes;
import org.apache.commons.lang3.ArrayUtils;
import org.mvel2.ExecutionContext; import org.mvel2.ExecutionContext;
import org.mvel2.ParserConfiguration; import org.mvel2.ParserConfiguration;
import org.mvel2.execution.ExecutionArrayList; import org.mvel2.execution.ExecutionArrayList;
@ -31,6 +32,7 @@ import java.nio.ByteBuffer;
import java.nio.ByteOrder; import java.nio.ByteOrder;
import java.nio.charset.StandardCharsets; import java.nio.charset.StandardCharsets;
import java.util.ArrayList; import java.util.ArrayList;
import java.util.Arrays;
import java.util.Base64; import java.util.Base64;
import java.util.Collection; import java.util.Collection;
import java.util.List; import java.util.List;
@ -90,6 +92,14 @@ public class TbUtils {
List.class, int.class, boolean.class))); List.class, int.class, boolean.class)));
parserConfig.addImport("parseBytesToFloat", new MethodStub(TbUtils.class.getMethod("parseBytesToFloat", parserConfig.addImport("parseBytesToFloat", new MethodStub(TbUtils.class.getMethod("parseBytesToFloat",
List.class, int.class))); List.class, int.class)));
parserConfig.addImport("parseBytesToDouble", new MethodStub(TbUtils.class.getMethod("parseBytesToDouble",
byte[].class, int.class, boolean.class)));
parserConfig.addImport("parseBytesToDouble", new MethodStub(TbUtils.class.getMethod("parseBytesToDouble",
byte[].class, int.class)));
parserConfig.addImport("parseBytesToDouble", new MethodStub(TbUtils.class.getMethod("parseBytesToDouble",
List.class, int.class, boolean.class)));
parserConfig.addImport("parseBytesToDouble", new MethodStub(TbUtils.class.getMethod("parseBytesToDouble",
List.class, int.class)));
parserConfig.addImport("toFixed", new MethodStub(TbUtils.class.getMethod("toFixed", parserConfig.addImport("toFixed", new MethodStub(TbUtils.class.getMethod("toFixed",
double.class, int.class))); double.class, int.class)));
parserConfig.addImport("hexToBytes", new MethodStub(TbUtils.class.getMethod("hexToBytes", parserConfig.addImport("hexToBytes", new MethodStub(TbUtils.class.getMethod("hexToBytes",
@ -329,6 +339,39 @@ public class TbUtils {
return parseBytesToFloat(Bytes.toArray(data), offset, bigEndian); return parseBytesToFloat(Bytes.toArray(data), offset, bigEndian);
} }
public static double parseBytesToDouble(byte[] data, int offset) {
return parseBytesToDouble(data, offset, true);
}
public static double parseBytesToDouble(byte[] data, int offset, boolean bigEndian) {
if (data != null && data.length > 0) {
int length = 8;
if (offset > data.length) {
throw new IllegalArgumentException("Offset: " + offset + " is out of bounds for array with length: " + data.length + "!");
}
if ((offset + length) > data.length) {
throw new IllegalArgumentException("Default length is always 4 bytes. Offset: " + offset + " and Length: " + length + " is out of bounds for array with length: " + data.length + "!");
}
byte[] dataBytesArray = Arrays.copyOfRange(data, offset, (offset+length));
if (!bigEndian) {
ArrayUtils.reverse(dataBytesArray);
}
return ByteBuffer.wrap(dataBytesArray).getDouble();
} else {
throw new IllegalArgumentException("Array is null or array length is 0!");
}
}
public static double parseBytesToDouble(List data, int offset) {
return parseBytesToDouble(data, offset, true);
}
public static double parseBytesToDouble(List data, int offset, boolean bigEndian) {
return parseBytesToDouble(Bytes.toArray(data), offset, bigEndian);
}
public static String bytesToHex(ExecutionArrayList<?> bytesList) { public static String bytesToHex(ExecutionArrayList<?> bytesList) {
byte[] bytes = new byte[bytesList.size()]; byte[] bytes = new byte[bytesList.size()];
for (int i = 0; i < bytesList.size(); i++) { for (int i = 0; i < bytesList.size(); i++) {