diff options
Diffstat (limited to 'src/org/traccar/helper/BcdUtil.java')
-rw-r--r-- | src/org/traccar/helper/BcdUtil.java | 63 |
1 files changed, 0 insertions, 63 deletions
diff --git a/src/org/traccar/helper/BcdUtil.java b/src/org/traccar/helper/BcdUtil.java deleted file mode 100644 index c87529e32..000000000 --- a/src/org/traccar/helper/BcdUtil.java +++ /dev/null @@ -1,63 +0,0 @@ -/* - * Copyright 2012 - 2018 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 io.netty.buffer.ByteBuf; - -public final class BcdUtil { - - private BcdUtil() { - } - - public static int readInteger(ByteBuf buf, int digits) { - int result = 0; - - for (int i = 0; i < digits / 2; i++) { - int b = buf.readUnsignedByte(); - result *= 10; - result += b >>> 4; - result *= 10; - result += b & 0x0f; - } - - if (digits % 2 != 0) { - int b = buf.getUnsignedByte(buf.readerIndex()); - result *= 10; - result += b >>> 4; - } - - return result; - } - - public static double readCoordinate(ByteBuf buf) { - int b1 = buf.readUnsignedByte(); - int b2 = buf.readUnsignedByte(); - int b3 = buf.readUnsignedByte(); - int b4 = buf.readUnsignedByte(); - - double value = (b2 & 0xf) * 10 + (b3 >> 4); - value += (((b3 & 0xf) * 10 + (b4 >> 4)) * 10 + (b4 & 0xf)) / 1000.0; - value /= 60; - value += ((b1 >> 4 & 0x7) * 10 + (b1 & 0xf)) * 10 + (b2 >> 4); - - if ((b1 & 0x80) != 0) { - value = -value; - } - - return value; - } - -} |