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///////////////////////////////////////////////////////////////////////////////
//                                                                             
// JTOpen (IBM Toolbox for Java - OSS version)                                 
//                                                                             
// Filename: Data.java
//                                                                             
// The source code contained herein is licensed under the IBM Public License   
// Version 1.0, which has been approved by the Open Source Initiative.         
// Copyright (C) 2002 International Business Machines Corporation and     
// others. All rights reserved.                                                
//                                                                             
///////////////////////////////////////////////////////////////////////////////

package com.ibm.as400.util.commtrace;

/**
 * Represents the data that is contained in the packet.

 */
public class Data {
	private BitBuf data;
	
	private final static String DATA = "Data";
	
    /**
     * Initializes the data. 
     * @param data      the raw packet of data.                        
     */
	Data(BitBuf data) {
		this.data = data;
	}

    /**
     * Creates a hexadecimal and Ascii representation of this data. One line is 32 characters ASCII and 64 bytes hexadecimal plus formatting characters in length.
     * @return String containing a printable representation of the data.
     */
	public String toString() {
	    if(data.getByteSize()==0) { // If there is no data return
			return "";
	    }

	    StringBuffer fmtdata = new StringBuffer(data.getByteSize()*3); // The return data 
	    StringBuffer hexdata = new StringBuffer(32); // The output hexadecimal data
	    StringBuffer chardata= new StringBuffer(32); // The output character representation
	    boolean first = true; // Set to true until the first line of data is printed.
	    int length = data.getByteSize(), i;
	    
	    fmtdata.append("\t" + DATA + " . . . . . . :  ");
	    for(i=0;i