src/main/java/org/eclipse/mdm/mdfsorter/mdf3/CNBLOCK.java - mdmbl/org.eclipse.mdm.mdfsorter - Git at Google

 /*
  * Copyright (c) 2016 Audi AG
  * All rights reserved. This program and the accompanying materials
  * are made available under the terms of the Eclipse Public License v1.0
  * which accompanies this distribution, and is available at
  * http://www.eclipse.org/legal/epl-v10.html
  */

 package org.eclipse.mdm.mdfsorter.mdf3;

 import java.io.IOException;
 import java.io.RandomAccessFile;
 import java.nio.ByteBuffer;

 import org.eclipse.mdm.mdfsorter.MDFParser;
 import org.eclipse.mdm.mdfsorter.mdf4.MDF4Util;

 /**
  * <p>
  * Channel block: Description of a channel
  * </p>
  * This block describes a measurement channel.
  *
  * @author Christian Rechner
  */
 public class CNBLOCK extends MDF3GenBlock {

 	// UINT16 1 Channel type
 	// 0 = data channel
 	// 1 = time channel for all signals of this group (in each channel group,
 	// exactly one
 	// channel must be defined as time channel)
 	private int channelType;

 	// CHAR 32 Signal name, i.e. the first 32 characters of the ASAM-MCD unique
 	// name
 	private String signalName;

 	// CHAR 128 Signal description
 	private String signalDescription;

 	// UINT16 1 Number of the first bits [0..n] (bit position within a byte: bit
 	// 0 is the least significant
 	// bit, bit 7 is the most significant bit)
 	private int numberOfFirstBits;

 	// UINT16 1 Number of bits
 	private int numberOfBits;

 	// UINT16 1 Signal data type
 	// 0 = unsigned integer
 	// 1 = signed integer (two’s complement)
 	// 2,3 = IEEE 754 floating-point format
 	// 7 = String (NULL terminated)
 	// 8 = Byte Array
 	private int signalDataType;

 	// BOOL 1 Value Range Valid.
 	private boolean knownImplValue;

 	// REAL 1 Value range – minimum implementation value
 	private double minImplValue;

 	// REAL 1 Value range – maximum implementation value
 	private double maxImplValue;

 	// REAL 1 Rate in which the variable was sampled. Unit [s]
 	private double sampleRate;

 	// UINT16 1 Byte offset of the signal in the data record in addition to bit
 	// offset (default value: 0)
 	// note: this fields shall only be used if the CGBLOCK record size and the
 	// actual offset
 	// is larger than 8192 Bytes to ensure compatibility; it enables to write
 	// data blocks
 	// larger than 8kBytes
 	private int byteOffset;

 	public CNBLOCK(MDF3GenBlock parent) {
 		super(parent.getPos(), parent.isBigEndian());
 		setLength(parent.getLength());
 		setLinkCount(parent.getLinkCount());
 		setId(parent.getId());
 		setLinks(parent.getLinks());
 		parent.setPrec(this);
 	}

 	public MDF3GenBlock getLnkNextCnBlock() {
 		return links[0];
 	}

 	public MDF3GenBlock getLnkCcBlock() {
 		return links[1];
 	}

 	public MDF3GenBlock getLnkCeBlock() {
 		return links[2];
 	}

 	public MDF3GenBlock getLnkCdBlock() {
 		return links[3];
 	}

 	public MDF3GenBlock getLnkChannelComment() {
 		return links[4];
 	}

 	public MDF3GenBlock getLnkMcdUniqueName() {
 		return getLinkCount() > 5 ? links[5] : null;
 	}

 	public MDF3GenBlock getLnkSignalDisplayIdentifier() {
 		return getLinkCount() > 6 ? links[6] : null;
 	}

 	public int getChannelType() {
 		return channelType;
 	}

 	private void setChannelType(int channelType) {
 		this.channelType = channelType;
 	}

 	public String getSignalName() {
 		return signalName;
 	}

 	public void setSignalName(String signalName) {
 		this.signalName = signalName;
 	}

 	public String getSignalDescription() {
 		return signalDescription;
 	}

 	public void setSignalDescription(String signalDescription) {
 		this.signalDescription = signalDescription;
 	}

 	public int getNumberOfFirstBits() {
 		return numberOfFirstBits;
 	}

 	private void setNumberOfFirstBits(int numberOfFirstBits) {
 		this.numberOfFirstBits = numberOfFirstBits;
 	}

 	public int getNumberOfBits() {
 		return numberOfBits;
 	}

 	private void setNumberOfBits(int numberOfBits) {
 		this.numberOfBits = numberOfBits;
 	}

 	public int getSignalDataType() {
 		return signalDataType;
 	}

 	private void setSignalDataType(int signalDataType) {
 		this.signalDataType = signalDataType;
 	}

 	public boolean isKnownImplValue() {
 		return knownImplValue;
 	}

 	private void setKnownImplValue(boolean knownImplValue) {
 		this.knownImplValue = knownImplValue;
 	}

 	public double getMinImplValue() {
 		return minImplValue;
 	}

 	private void setMinImplValue(double minImplValue) {
 		this.minImplValue = minImplValue;
 	}

 	public double getMaxImplValue() {
 		return maxImplValue;
 	}

 	private void setMaxImplValue(double maxImplValue) {
 		this.maxImplValue = maxImplValue;
 	}

 	public double getSampleRate() {
 		return sampleRate;
 	}

 	private void setSampleRate(double sampleRate) {
 		this.sampleRate = sampleRate;
 	}

 	public int getByteOffset() {
 		return byteOffset;
 	}

 	private void setByteOffset(int byteOffset) {
 		this.byteOffset = byteOffset;
 	}

 	@Override
 	public String toString() {
 		return "CNBLOCK [ channelType=" + channelType + ", signalName=" + signalName + ", signalDescription="
 				+ signalDescription + ", numberOfFirstBits=" + numberOfFirstBits + ", numberOfBits=" + numberOfBits
 				+ ", signalDataType=" + signalDataType + ", knownImplValue=" + knownImplValue + ", minImplValue="
 				+ minImplValue + ", maxImplValue=" + maxImplValue + ", sampleRate=" + sampleRate + " byteOffset="
 				+ byteOffset + "]";
 	}

 	@Override
 	public byte[] getHeaderBytes() {
 		byte[] ret = super.getHeaderBytes();
 		if (getLinkCount() > 5) {
 			byte[] newret = new byte[24];
 			System.arraycopy(ret, 0, newret, 0, newret.length);
 			ret = newret;
 		}
 		return ret;

 	}

 	@Override
 	public void updateLinks(RandomAccessFile r) throws IOException {
 		// set position to start of Block link section
 		r.seek(getOutputpos() + 4L);
 		MDF3GenBlock linkedblock;
 		for (int i = 0; i < 5; i++) {
 			if ((linkedblock = getLink(i)) != null) {
 				r.write(MDF3Util.getBytesLink((int) linkedblock.getOutputpos(), isBigEndian()));
 			} else {
 				r.write(MDF3Util.getBytesLink(0, isBigEndian()));
 			}
 		}

 		// update last two links manually
 		if (getLinkCount() == 7) {
 			r.seek(getOutputpos() + 4L + 20L + 194L);
 			r.write(MDF3Util.getBytesLink(getLink(5) != null ? getLink(5).getOutputpos() : 0, isBigEndian()));
 			r.write(MDF3Util.getBytesLink(getLink(6) != null ? getLink(6).getOutputpos() : 0, isBigEndian()));
 		}

 	}

 	/*
 	 * (non-Javadoc)
 	 *
 	 * @see org.eclipse.mdm.mdfsorter.mdf3.MDF3GenBlock#parse(byte[])
 	 */
 	@Override
 	public void parse(byte[] content) throws IOException {
 		// UINT16 1 Channel type
 		// 0 = data channel
 		// 1 = time channel for all signals of this group (in each channel
 		// group, exactly one
 		// channel must be defined as time channel)
 		setChannelType(MDF3Util.readUInt16(MDFParser.getDataBuffer(content, 0, 2), isBigEndian()));

 		// CHAR 32 Signal name, i.e. the first 32 characters of the ASAM-MCD
 		// unique name
 		setSignalName(MDF3Util.readCharsISO8859(MDFParser.getDataBuffer(content, 2, 34), 32));

 		// CHAR 128 Signal description
 		setSignalDescription(MDF3Util.readCharsISO8859(MDFParser.getDataBuffer(content, 34, 162), 128));

 		// UINT16 1 Number of the first bits [0..n] (bit position within a byte:
 		// bit 0 is the least significant
 		// bit, bit 7 is the most significant bit)
 		setNumberOfFirstBits(MDF3Util.readUInt16(MDFParser.getDataBuffer(content, 162, 164), isBigEndian()));

 		// UINT16 1 Number of bits
 		setNumberOfBits(MDF3Util.readUInt16(MDFParser.getDataBuffer(content, 164, 166), isBigEndian()));

 		// UINT16 1 Signal data type
 		// 0 = unsigned integer
 		// 1 = signed integer (two’s complement)
 		// 2,3 = IEEE 754 floating-point format
 		// 7 = String (NULL terminated)
 		// 8 = Byte Array
 		setSignalDataType(MDF3Util.readUInt16(MDFParser.getDataBuffer(content, 166, 168), isBigEndian()));

 		// BOOL 1 Value range – known implementation value
 		setKnownImplValue(MDF3Util.readBool(MDFParser.getDataBuffer(content, 168, 170), isBigEndian()));

 		// REAL 1 Value range – minimum implementation value
 		setMinImplValue(MDF4Util.readReal(MDFParser.getDataBuffer(content, 170, 178)));

 		// REAL 1 Value range – maximum implementation value
 		setMaxImplValue(MDF4Util.readReal(MDFParser.getDataBuffer(content, 178, 186)));

 		// REAL 1 Rate in which the variable was sampled. Unit [s]
 		setSampleRate(MDF4Util.readReal(MDFParser.getDataBuffer(content, 186, 194)));

 		// skip two links (2* 4Bytes, they are already read.

 		if (content.length > 202) {
 			// UINT16 1 Byte offset of the signal in the data record in addition
 			// to bit offset (default value: 0)
 			// note: this fields shall only be used if the CGBLOCK record size
 			// and the actual offset
 			// is larger than 8192 Bytes to ensure compatibility; it enables to
 			// write data blocks
 			// larger than 8kBytes
 			setByteOffset(MDF3Util.readUInt16(MDFParser.getDataBuffer(content, 202, 204), isBigEndian()));
 		}
 	}

 	@Override
 	public byte[] getBodyBytes() throws IOException {
 		int arraylength = (int) (getLength() - 24L); // Length of header and 5
 		// links
 		ByteBuffer b = ByteBuffer.allocate(arraylength);

 		b.put(MDF3Util.getBytesUInt16(getChannelType(), isBigEndian()));

 		b.put(MDF3Util.getBytesCharsISO8859(getSignalName()));

 		b.put(MDF3Util.getBytesCharsISO8859(getSignalDescription()));

 		b.put(MDF3Util.getBytesUInt16(getNumberOfFirstBits(), isBigEndian()));

 		b.put(MDF3Util.getBytesUInt16(getNumberOfBits(), isBigEndian()));

 		b.put(MDF3Util.getBytesUInt16(getSignalDataType(), isBigEndian()));

 		b.put(MDF3Util.getBytesBool(isKnownImplValue(), isBigEndian()));

 		b.put(MDF4Util.getBytesReal(getMinImplValue()));

 		b.put(MDF4Util.getBytesReal(getMaxImplValue()));

 		b.put(MDF4Util.getBytesReal(getSampleRate()));

 		if (arraylength > 202) {
 			b.put(new byte[8]);
 			// Skip space for two links
 			b.put(MDF4Util.getBytesInt16(getByteOffset()));
 		}

 		return b.array();

 	}
 }
	/*
	* Copyright (c) 2016 Audi AG
	* All rights reserved. This program and the accompanying materials
	* are made available under the terms of the Eclipse Public License v1.0
	* which accompanies this distribution, and is available at
	* http://www.eclipse.org/legal/epl-v10.html
	*/

	package org.eclipse.mdm.mdfsorter.mdf3;

	import java.io.IOException;
	import java.io.RandomAccessFile;
	import java.nio.ByteBuffer;

	import org.eclipse.mdm.mdfsorter.MDFParser;
	import org.eclipse.mdm.mdfsorter.mdf4.MDF4Util;

	/**
	* <p>
	* Channel block: Description of a channel
	* </p>
	* This block describes a measurement channel.
	*
	* @author Christian Rechner
	*/
	public class CNBLOCK extends MDF3GenBlock {

	// UINT16 1 Channel type
	// 0 = data channel
	// 1 = time channel for all signals of this group (in each channel group,
	// exactly one
	// channel must be defined as time channel)
	private int channelType;

	// CHAR 32 Signal name, i.e. the first 32 characters of the ASAM-MCD unique
	// name
	private String signalName;

	// CHAR 128 Signal description
	private String signalDescription;

	// UINT16 1 Number of the first bits [0..n] (bit position within a byte: bit
	// 0 is the least significant
	// bit, bit 7 is the most significant bit)
	private int numberOfFirstBits;

	// UINT16 1 Number of bits
	private int numberOfBits;

	// UINT16 1 Signal data type
	// 0 = unsigned integer
	// 1 = signed integer (two’s complement)
	// 2,3 = IEEE 754 floating-point format
	// 7 = String (NULL terminated)
	// 8 = Byte Array
	private int signalDataType;

	// BOOL 1 Value Range Valid.
	private boolean knownImplValue;

	// REAL 1 Value range – minimum implementation value
	private double minImplValue;

	// REAL 1 Value range – maximum implementation value
	private double maxImplValue;

	// REAL 1 Rate in which the variable was sampled. Unit [s]
	private double sampleRate;

	// UINT16 1 Byte offset of the signal in the data record in addition to bit
	// offset (default value: 0)
	// note: this fields shall only be used if the CGBLOCK record size and the
	// actual offset
	// is larger than 8192 Bytes to ensure compatibility; it enables to write
	// data blocks
	// larger than 8kBytes
	private int byteOffset;

	public CNBLOCK(MDF3GenBlock parent) {
	super(parent.getPos(), parent.isBigEndian());
	setLength(parent.getLength());
	setLinkCount(parent.getLinkCount());
	setId(parent.getId());
	setLinks(parent.getLinks());
	parent.setPrec(this);
	}

	public MDF3GenBlock getLnkNextCnBlock() {
	return links[0];
	}

	public MDF3GenBlock getLnkCcBlock() {
	return links[1];
	}

	public MDF3GenBlock getLnkCeBlock() {
	return links[2];
	}

	public MDF3GenBlock getLnkCdBlock() {
	return links[3];
	}

	public MDF3GenBlock getLnkChannelComment() {
	return links[4];
	}

	public MDF3GenBlock getLnkMcdUniqueName() {
	return getLinkCount() > 5 ? links[5] : null;
	}

	public MDF3GenBlock getLnkSignalDisplayIdentifier() {
	return getLinkCount() > 6 ? links[6] : null;
	}

	public int getChannelType() {
	return channelType;
	}

	private void setChannelType(int channelType) {
	this.channelType = channelType;
	}

	public String getSignalName() {
	return signalName;
	}

	public void setSignalName(String signalName) {
	this.signalName = signalName;
	}

	public String getSignalDescription() {
	return signalDescription;
	}

	public void setSignalDescription(String signalDescription) {
	this.signalDescription = signalDescription;
	}

	public int getNumberOfFirstBits() {
	return numberOfFirstBits;
	}

	private void setNumberOfFirstBits(int numberOfFirstBits) {
	this.numberOfFirstBits = numberOfFirstBits;
	}

	public int getNumberOfBits() {
	return numberOfBits;
	}

	private void setNumberOfBits(int numberOfBits) {
	this.numberOfBits = numberOfBits;
	}

	public int getSignalDataType() {
	return signalDataType;
	}

	private void setSignalDataType(int signalDataType) {
	this.signalDataType = signalDataType;
	}

	public boolean isKnownImplValue() {
	return knownImplValue;
	}

	private void setKnownImplValue(boolean knownImplValue) {
	this.knownImplValue = knownImplValue;
	}

	public double getMinImplValue() {
	return minImplValue;
	}

	private void setMinImplValue(double minImplValue) {
	this.minImplValue = minImplValue;
	}

	public double getMaxImplValue() {
	return maxImplValue;
	}

	private void setMaxImplValue(double maxImplValue) {
	this.maxImplValue = maxImplValue;
	}

	public double getSampleRate() {
	return sampleRate;
	}

	private void setSampleRate(double sampleRate) {
	this.sampleRate = sampleRate;
	}

	public int getByteOffset() {
	return byteOffset;
	}

	private void setByteOffset(int byteOffset) {
	this.byteOffset = byteOffset;
	}

	@Override
	public String toString() {
	return "CNBLOCK [ channelType=" + channelType + ", signalName=" + signalName + ", signalDescription="
	+ signalDescription + ", numberOfFirstBits=" + numberOfFirstBits + ", numberOfBits=" + numberOfBits
	+ ", signalDataType=" + signalDataType + ", knownImplValue=" + knownImplValue + ", minImplValue="
	+ minImplValue + ", maxImplValue=" + maxImplValue + ", sampleRate=" + sampleRate + " byteOffset="
	+ byteOffset + "]";
	}

	@Override
	public byte[] getHeaderBytes() {
	byte[] ret = super.getHeaderBytes();
	if (getLinkCount() > 5) {
	byte[] newret = new byte[24];
	System.arraycopy(ret, 0, newret, 0, newret.length);
	ret = newret;
	}
	return ret;

	}

	@Override
	public void updateLinks(RandomAccessFile r) throws IOException {
	// set position to start of Block link section
	r.seek(getOutputpos() + 4L);
	MDF3GenBlock linkedblock;
	for (int i = 0; i < 5; i++) {
	if ((linkedblock = getLink(i)) != null) {
	r.write(MDF3Util.getBytesLink((int) linkedblock.getOutputpos(), isBigEndian()));
	} else {
	r.write(MDF3Util.getBytesLink(0, isBigEndian()));
	}
	}

	// update last two links manually
	if (getLinkCount() == 7) {
	r.seek(getOutputpos() + 4L + 20L + 194L);
	r.write(MDF3Util.getBytesLink(getLink(5) != null ? getLink(5).getOutputpos() : 0, isBigEndian()));
	r.write(MDF3Util.getBytesLink(getLink(6) != null ? getLink(6).getOutputpos() : 0, isBigEndian()));
	}

	}

	/*
	* (non-Javadoc)
	*
	* @see org.eclipse.mdm.mdfsorter.mdf3.MDF3GenBlock#parse(byte[])
	*/
	@Override
	public void parse(byte[] content) throws IOException {
	// UINT16 1 Channel type
	// 0 = data channel
	// 1 = time channel for all signals of this group (in each channel
	// group, exactly one
	// channel must be defined as time channel)
	setChannelType(MDF3Util.readUInt16(MDFParser.getDataBuffer(content, 0, 2), isBigEndian()));

	// CHAR 32 Signal name, i.e. the first 32 characters of the ASAM-MCD
	// unique name
	setSignalName(MDF3Util.readCharsISO8859(MDFParser.getDataBuffer(content, 2, 34), 32));

	// CHAR 128 Signal description
	setSignalDescription(MDF3Util.readCharsISO8859(MDFParser.getDataBuffer(content, 34, 162), 128));

	// UINT16 1 Number of the first bits [0..n] (bit position within a byte:
	// bit 0 is the least significant
	// bit, bit 7 is the most significant bit)
	setNumberOfFirstBits(MDF3Util.readUInt16(MDFParser.getDataBuffer(content, 162, 164), isBigEndian()));

	// UINT16 1 Number of bits
	setNumberOfBits(MDF3Util.readUInt16(MDFParser.getDataBuffer(content, 164, 166), isBigEndian()));

	// UINT16 1 Signal data type
	// 0 = unsigned integer
	// 1 = signed integer (two’s complement)
	// 2,3 = IEEE 754 floating-point format
	// 7 = String (NULL terminated)
	// 8 = Byte Array
	setSignalDataType(MDF3Util.readUInt16(MDFParser.getDataBuffer(content, 166, 168), isBigEndian()));

	// BOOL 1 Value range – known implementation value
	setKnownImplValue(MDF3Util.readBool(MDFParser.getDataBuffer(content, 168, 170), isBigEndian()));

	// REAL 1 Value range – minimum implementation value
	setMinImplValue(MDF4Util.readReal(MDFParser.getDataBuffer(content, 170, 178)));

	// REAL 1 Value range – maximum implementation value
	setMaxImplValue(MDF4Util.readReal(MDFParser.getDataBuffer(content, 178, 186)));

	// REAL 1 Rate in which the variable was sampled. Unit [s]
	setSampleRate(MDF4Util.readReal(MDFParser.getDataBuffer(content, 186, 194)));

	// skip two links (2* 4Bytes, they are already read.

	if (content.length > 202) {
	// UINT16 1 Byte offset of the signal in the data record in addition
	// to bit offset (default value: 0)
	// note: this fields shall only be used if the CGBLOCK record size
	// and the actual offset
	// is larger than 8192 Bytes to ensure compatibility; it enables to
	// write data blocks
	// larger than 8kBytes
	setByteOffset(MDF3Util.readUInt16(MDFParser.getDataBuffer(content, 202, 204), isBigEndian()));
	}
	}

	@Override
	public byte[] getBodyBytes() throws IOException {
	int arraylength = (int) (getLength() - 24L); // Length of header and 5
	// links
	ByteBuffer b = ByteBuffer.allocate(arraylength);

	b.put(MDF3Util.getBytesUInt16(getChannelType(), isBigEndian()));

	b.put(MDF3Util.getBytesCharsISO8859(getSignalName()));

	b.put(MDF3Util.getBytesCharsISO8859(getSignalDescription()));

	b.put(MDF3Util.getBytesUInt16(getNumberOfFirstBits(), isBigEndian()));

	b.put(MDF3Util.getBytesUInt16(getNumberOfBits(), isBigEndian()));

	b.put(MDF3Util.getBytesUInt16(getSignalDataType(), isBigEndian()));

	b.put(MDF3Util.getBytesBool(isKnownImplValue(), isBigEndian()));

	b.put(MDF4Util.getBytesReal(getMinImplValue()));

	b.put(MDF4Util.getBytesReal(getMaxImplValue()));

	b.put(MDF4Util.getBytesReal(getSampleRate()));

	if (arraylength > 202) {
	b.put(new byte[8]);
	// Skip space for two links
	b.put(MDF4Util.getBytesInt16(getByteOffset()));
	}

	return b.array();

	}
	}