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/*
* Copyright 2015 Open Networking Laboratory
*
* 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.onosproject.pcepio.util;
import org.jboss.netty.buffer.ChannelBuffer;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
/**
* Provides Hex Dump for debugging.
*/
public final class HexDump {
protected static final Logger log = LoggerFactory.getLogger(HexDump.class);
private HexDump() {
}
public static void pcepHexDump(ChannelBuffer buff) {
log.debug("==================== HEX DUMP ======================");
try {
byte[] yTemp;
yTemp = buff.array();
int iStartIndex = buff.readerIndex();
int iEndIndex = buff.writerIndex();
do {
StringBuilder sb = new StringBuilder();
for (int k = 0; (k < 16) && (iStartIndex < iEndIndex); ++k) {
if (0 == k % 4) {
sb.append(String.format(" ")); //blank after 4 bytes
}
sb.append(String.format("%02X ", yTemp[iStartIndex++]));
}
log.debug(sb.toString());
} while (iStartIndex < iEndIndex);
} catch (Exception e) {
log.error("[HexDump] Invalid buffer: " + e.toString());
}
log.debug("===================================================");
}
}
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