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author | Anton Tananaev <anton.tananaev@gmail.com> | 2016-04-27 11:21:27 +1200 |
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committer | Anton Tananaev <anton.tananaev@gmail.com> | 2016-04-27 11:21:27 +1200 |
commit | 44f026f881efa6207ab79fb5bada20ab67f018a0 (patch) | |
tree | 62cab9dc7d35c12bf75217eecf85b335ecebbe5a /src/org/traccar/helper/ChannelBufferTools.java | |
parent | aa0cbaa6e849d01a5bb02e2e999b80c178270014 (diff) | |
download | trackermap-server-44f026f881efa6207ab79fb5bada20ab67f018a0.tar.gz trackermap-server-44f026f881efa6207ab79fb5bada20ab67f018a0.tar.bz2 trackermap-server-44f026f881efa6207ab79fb5bada20ab67f018a0.zip |
Rename ChannelBufferTools to BcdUtil
Diffstat (limited to 'src/org/traccar/helper/ChannelBufferTools.java')
-rw-r--r-- | src/org/traccar/helper/ChannelBufferTools.java | 70 |
1 files changed, 0 insertions, 70 deletions
diff --git a/src/org/traccar/helper/ChannelBufferTools.java b/src/org/traccar/helper/ChannelBufferTools.java deleted file mode 100644 index ad2369bed..000000000 --- a/src/org/traccar/helper/ChannelBufferTools.java +++ /dev/null @@ -1,70 +0,0 @@ -/* - * Copyright 2012 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 org.jboss.netty.buffer.ChannelBuffer; - -public final class ChannelBufferTools { - - private ChannelBufferTools() { - } - - /** - * Convert hex to integer (length in hex digits) - */ - public static int readHexInteger(ChannelBuffer buf, int length) { - - int result = 0; - - for (int i = 0; i < length / 2; i++) { - int b = buf.readUnsignedByte(); - result *= 10; - result += b >>> 4; - result *= 10; - result += b & 0x0f; - } - - if (length % 2 != 0) { - int b = buf.getUnsignedByte(buf.readerIndex()); - result *= 10; - result += b >>> 4; - } - - return result; - } - - /** - * Read BCD coded coordinate (first byte has sign bit) - */ - public static double readCoordinate(ChannelBuffer 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; - } - -} |