diff options
author | ARULNA <arul.nambi@amdocs.com> | 2017-06-12 16:41:12 -0400 |
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committer | ARULNA <arul.nambi@amdocs.com> | 2017-06-12 16:41:28 -0400 |
commit | b4922d319d293894fddd512d29b5f0d1411915d9 (patch) | |
tree | 36cec7575f1631aad41d7b1131d6352847ea0de2 /src/main/java/org/openecomp/sparky/util/RawByteHelper.java | |
parent | 19dacd2ba38e345eeb5fcfbfe37d615602e8ea44 (diff) |
Initial commit for AAI-UI(sparky-backend)
Change-Id: I785397ed4197663cdf0c1351041d2f708ed08763
Signed-off-by: ARULNA <arul.nambi@amdocs.com>
Diffstat (limited to 'src/main/java/org/openecomp/sparky/util/RawByteHelper.java')
-rw-r--r-- | src/main/java/org/openecomp/sparky/util/RawByteHelper.java | 177 |
1 files changed, 177 insertions, 0 deletions
diff --git a/src/main/java/org/openecomp/sparky/util/RawByteHelper.java b/src/main/java/org/openecomp/sparky/util/RawByteHelper.java new file mode 100644 index 0000000..f929acf --- /dev/null +++ b/src/main/java/org/openecomp/sparky/util/RawByteHelper.java @@ -0,0 +1,177 @@ +/** + * ============LICENSE_START=================================================== + * SPARKY (AAI UI service) + * ============================================================================ + * Copyright © 2017 AT&T Intellectual Property. + * Copyright © 2017 Amdocs + * All rights reserved. + * ============================================================================ + * 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. + * ============LICENSE_END===================================================== + * + * ECOMP and OpenECOMP are trademarks + * and service marks of AT&T Intellectual Property. + */ + +package org.openecomp.sparky.util; + +/** + * The Class RawByteHelper. + */ +public class RawByteHelper { + private static final byte[] HEX_CHAR = + new byte[] {'0', '1', '2', '3', '4', '5', '6', '7', '8', '9', 'A', 'B', 'C', 'D', 'E', 'F'}; + + /** + * Dump bytes. + * + * @param buffer the buffer + * @return the string + */ + /* + * TODO -> DOCUMENT ME! + * + * @param buffer DOCUMENT ME! + * + * @return DOCUMENT ME! + */ + public static String dumpBytes(byte[] buffer) { + if (buffer == null) { + return ""; + } + String newLine = System.getProperty("line.separator"); + StringBuffer sb = new StringBuffer(); + + for (int i = 0; i < buffer.length; i++) { + if (i != 0 && i % 16 == 0) { + sb.append(newLine); + } + // sb.append("0x").append((char) (HEX_CHAR[(buffer[i] & 0x00F0) >> 4])).append((char) + // (HEX_CHAR[buffer[i] & 0x000F])).append(" "); + sb.append((char) (HEX_CHAR[(buffer[i] & 0x00F0) >> 4])) + .append((char) (HEX_CHAR[buffer[i] & 0x000F])).append(" "); + } + + return sb.toString(); + } + + // if you're trying to figure out why or's w/ FF's see: + /** + * Bytes to int. + * + * @param one the one + * @param two the two + * @param three the three + * @param four the four + * @return the int + */ + // http://www.darksleep.com/player/JavaAndUnsignedTypes.html + public static int bytesToInt(byte one, byte two, byte three, byte four) { + return (((0xFF & one) << 24) | ((0xFF & two) << 16) | ((0xFF & three) << 8) | ((0xFF & four))); + } + + /** + * Bytes to short. + * + * @param one the one + * @param two the two + * @return the short + */ + public static short bytesToShort(byte one, byte two) { + return (short) (((0xFF & one) << 8) | (0xFF & two)); + } + + /** + * First byte. + * + * @param num the num + * @return the byte + */ + // short helper functions + static byte firstByte(short num) { + return (byte) ((num >> 8) & 0xFF); + } + + /** + * First byte. + * + * @param num the num + * @return the byte + */ + // Int helper functions + static byte firstByte(int num) { + return (byte) ((num >> 24) & 0xFF); + } + + /** + * Second byte. + * + * @param num the num + * @return the byte + */ + static byte secondByte(short num) { + return (byte) (num & 0xFF); + } + + /** + * Second byte. + * + * @param num the num + * @return the byte + */ + static byte secondByte(int num) { + return (byte) ((num >> 16) & 0xFF); + } + + /** + * Third byte. + * + * @param num the num + * @return the byte + */ + static byte thirdByte(int num) { + return (byte) ((num >> 8) & 0xFF); + } + + /** + * Fourth byte. + * + * @param num the num + * @return the byte + */ + static byte fourthByte(int num) { + return (byte) (num & 0xFF); + } + + /** + * Int to byte. + * + * @param value the value + * @return the byte + */ + public static byte intToByte(int value) { + return fourthByte(value); + } + + /** + * Int to short. + * + * @param value the value + * @return the short + */ + public static short intToShort(int value) { + return (short) ((value & 0xFF00) | (value & 0xFF)); + } + +} + |