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From gl...@apache.org
Subject cvs commit: jakarta-poi/src/java/org/apache/poi/util HexRead.java
Date Sat, 14 Jun 2003 05:52:21 GMT
glens       2003/06/13 22:52:21

  Modified:    src/java/org/apache/poi/util HexRead.java
  Log:
  Fixing the line endings.
  
  Revision  Changes    Path
  1.6       +218 -1    jakarta-poi/src/java/org/apache/poi/util/HexRead.java
  
  Index: HexRead.java
  ===================================================================
  RCS file: /home/cvs/jakarta-poi/src/java/org/apache/poi/util/HexRead.java,v
  retrieving revision 1.5
  retrieving revision 1.6
  diff -u -r1.5 -r1.6
  --- HexRead.java	30 Apr 2003 04:39:08 -0000	1.5
  +++ HexRead.java	14 Jun 2003 05:52:21 -0000	1.6
  @@ -1 +1,218 @@
  -/* ==================================================================== * The Apache Software
License, Version 1.1 * * Copyright (c) 2003 The Apache Software Foundation.  All rights *
reserved. * * Redistribution and use in source and binary forms, with or without * modification,
are permitted provided that the following conditions * are met: * * 1. Redistributions of
source code must retain the above copyright *    notice, this list of conditions and the following
disclaimer. * * 2. Redistributions in binary form must reproduce the above copyright *   
notice, this list of conditions and the following disclaimer in *    the documentation and/or
other materials provided with the *    distribution. * * 3. The end-user documentation included
with the redistribution, *    if any, must include the following acknowledgment: *       "This
product includes software developed by the *        Apache Software Foundation (http://www.apache.org/)."
*    Alternately, this acknowledgment may appear in the software itself, *    if and wherever
such third-party acknowledgments normally appear. * * 4. The names "Apache" and "Apache Software
Foundation" and *    "Apache POI" must not be used to endorse or promote products *    derived
from this software without prior written permission. For *    written permission, please contact
apache@apache.org. * * 5. Products derived from this software may not be called "Apache",
*    "Apache POI", nor may "Apache" appear in their name, without *    prior written permission
of the Apache Software Foundation. * * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED
OR IMPLIED * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES * OF MERCHANTABILITY
AND FITNESS FOR A PARTICULAR PURPOSE ARE * DISCLAIMED.  IN NO EVENT SHALL THE APACHE SOFTWARE
FOUNDATION OR * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, * SPECIAL,
EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT * LIMITED TO, PROCUREMENT OF SUBSTITUTE
GOODS OR SERVICES; LOSS OF * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
AND * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, * OR TORT (INCLUDING
NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
OF THE POSSIBILITY OF * SUCH DAMAGE. * ====================================================================
* * This software consists of voluntary contributions made by many * individuals on behalf
of the Apache Software Foundation.  For more * information on the Apache Software Foundation,
please see * <http://www.apache.org/>. */package org.apache.poi.util;import java.io.IOException;import
java.io.File;import java.io.FileInputStream;import java.io.InputStream;import java.util.List;import
java.util.ArrayList;/** * Utilities to read hex from files. * * @author Marc Johnson * @author
Glen Stampoultzis (glens at apache.org) */public class HexRead{    /**     * This method reads
hex data from a filename and returns a byte array.     * The file may contain line comments
that are preceeded with a # symbol.     *     * @param filename  The filename to read    
* @return The bytes read from the file.     * @throws IOException If there was a problem while
reading the file.     */    public static byte[] readData( String filename )            throws
IOException    {        File file = new File( filename );        FileInputStream stream =
new FileInputStream( file );        try        {            return readData(stream, -1); 
      }        finally        {            stream.close();        }    }    /**     * Same
as readData(String) except that this method allows you to specify sections within     * a
file.  Sections are referenced using section headers in the form:     * <pre>     *
 [sectioname]     * </pre>     *     * @see #readData(String)     */    public static
byte[] readData(String filename, String section)        throws IOException    {        File
file = new File( filename );        FileInputStream stream = new FileInputStream( file );
       try        {            StringBuffer sectionText = new StringBuffer();            boolean
inSection = false;            int c = stream.read();            while (c != -1)          
 {                switch(c)                {                    case '[':                
       inSection = true;                        break;                    case '\n': case
'\r':                        inSection = false;                        sectionText = new StringBuffer();
                       break;                    case ']':                        inSection
= false;                        if (sectionText.toString().equals(section))              
             return readData(stream, '[');                        sectionText = new StringBuffer();
                       break;                    default:                        if (inSection)
                           sectionText.append((char)c);                }                c
= stream.read();            }        }        finally        {            stream.close();
       }        throw new IOException("Section '" + section + "' not found");    }    static
private byte[] readData( FileInputStream stream, int eofChar ) throws IOException    {   
    int characterCount = 0;        byte b = (byte) 0;        List bytes = new ArrayList();
       boolean done = false;        while ( !done )        {            int count = stream.read();
           char baseChar = 'a';            if ( count == eofChar)                break;  
         switch ( count )            {                case '#':                    readToEOL(stream);
                   break;                case '0': case '1': case '2': case '3': case '4':
case '5': case '6': case '7': case '8': case '9':                    b <<= 4;      
             b += (byte) ( count - '0' );                    characterCount++;           
        if ( characterCount == 2 )                    {                        bytes.add(
new Byte( b ) );                        characterCount = 0;                        b = (byte)
0;                    }                    break;                case 'A': case 'B': case
'C': case 'D': case 'E': case 'F':                    baseChar = 'A';                case
'a': case 'b': case 'c': case 'd': case 'e': case 'f':                    b <<= 4; 
                  b += (byte) ( count + 10 - baseChar );                    characterCount++;
                   if ( characterCount == 2 )                    {                       
bytes.add( new Byte( b ) );                        characterCount = 0;                   
    b = (byte) 0;                    }                    break;                case -1: 
                  done = true;                    break;                default :        
           break;            }        }        Byte[] polished = (Byte[]) bytes.toArray( new
Byte[0] );        byte[] rval = new byte[polished.length];        for ( int j = 0; j <
polished.length; j++ )        {            rval[j] = polished[j].byteValue();        }   
    return rval;    }    static private void readToEOL( InputStream stream ) throws IOException
   {        int c = stream.read();        while ( c != -1 && c != '\n' &&
c != '\r')        {            c = stream.read();        }    }}
  \ No newline at end of file
  +/* ====================================================================
  + * The Apache Software License, Version 1.1
  + *
  + * Copyright (c) 2002 The Apache Software Foundation.  All rights
  + * reserved.
  + *
  + * Redistribution and use in source and binary forms, with or without
  + * modification, are permitted provided that the following conditions
  + * are met:
  + *
  + * 1. Redistributions of source code must retain the above copyright
  + *    notice, this list of conditions and the following disclaimer.
  + *
  + * 2. Redistributions in binary form must reproduce the above copyright
  + *    notice, this list of conditions and the following disclaimer in
  + *    the documentation and/or other materials provided with the
  + *    distribution.
  + *
  + * 3. The end-user documentation included with the redistribution,
  + *    if any, must include the following acknowledgment:
  + *       "This product includes software developed by the
  + *        Apache Software Foundation (http://www.apache.org/)."
  + *    Alternately, this acknowledgment may appear in the software itself,
  + *    if and wherever such third-party acknowledgments normally appear.
  + *
  + * 4. The names "Apache" and "Apache Software Foundation" and
  + *    "Apache POI" must not be used to endorse or promote products
  + *    derived from this software without prior written permission. For
  + *    written permission, please contact apache@apache.org.
  + *
  + * 5. Products derived from this software may not be called "Apache",
  + *    "Apache POI", nor may "Apache" appear in their name, without
  + *    prior written permission of the Apache Software Foundation.
  + *
  + * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED
  + * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
  + * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
  + * DISCLAIMED.  IN NO EVENT SHALL THE APACHE SOFTWARE FOUNDATION OR
  + * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
  + * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
  + * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
  + * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
  + * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
  + * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
  + * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  + * SUCH DAMAGE.
  + * ====================================================================
  + *
  + * This software consists of voluntary contributions made by many
  + * individuals on behalf of the Apache Software Foundation.  For more
  + * information on the Apache Software Foundation, please see
  + * <http://www.apache.org/>.
  + */
  +
  +package org.apache.poi.util;
  +
  +import java.io.IOException;
  +import java.io.File;
  +import java.io.FileInputStream;
  +import java.io.InputStream;
  +import java.util.List;
  +import java.util.ArrayList;
  +
  +/**
  + * Utilities to read hex from files.
  + *
  + * @author Marc Johnson
  + * @author Glen Stampoultzis (glens at apache.org)
  + */
  +public class HexRead
  +{
  +    /**
  +     * This method reads hex data from a filename and returns a byte array.
  +     * The file may contain line comments that are preceeded with a # symbol.
  +     *
  +     * @param filename  The filename to read
  +     * @return The bytes read from the file.
  +     * @throws IOException If there was a problem while reading the file.
  +     */
  +    public static byte[] readData( String filename ) throws IOException
  +    {
  +        File file = new File( filename );
  +        FileInputStream stream = new FileInputStream( file );
  +        try
  +        {
  +            return readData( stream, -1 );
  +        }
  +        finally
  +        {
  +            stream.close();
  +        }
  +    }
  +
  +    /**
  +     * Same as readData(String) except that this method allows you to specify sections
within
  +     * a file.  Sections are referenced using section headers in the form:
  +     * <pre>
  +     *  [sectioname]
  +     * </pre>
  +     *
  +     * @see #readData(String)
  +     */
  +    public static byte[] readData( String filename, String section ) throws IOException
  +    {
  +        File file = new File( filename );
  +        FileInputStream stream = new FileInputStream( file );
  +        try
  +        {
  +            StringBuffer sectionText = new StringBuffer();
  +            boolean inSection = false;
  +            int c = stream.read();
  +            while ( c != -1 )
  +            {
  +                switch ( c )
  +                {
  +                    case '[':
  +                        inSection = true;
  +                        break;
  +                    case '\n':
  +                    case '\r':
  +                        inSection = false;
  +                        sectionText = new StringBuffer();
  +                        break;
  +                    case ']':
  +                        inSection = false;
  +                        if ( sectionText.toString().equals( section ) ) return readData(
stream, '[' );
  +                        sectionText = new StringBuffer();
  +                        break;
  +                    default:
  +                        if ( inSection ) sectionText.append( (char) c );
  +                }
  +                c = stream.read();
  +            }
  +        }
  +        finally
  +        {
  +            stream.close();
  +        }
  +        throw new IOException( "Section '" + section + "' not found" );
  +    }
  +
  +    static public byte[] readData( InputStream stream, int eofChar )
  +            throws IOException
  +    {
  +        int characterCount = 0;
  +        byte b = (byte) 0;
  +        List bytes = new ArrayList();
  +        boolean done = false;
  +        while ( !done )
  +        {
  +            int count = stream.read();
  +            char baseChar = 'a';
  +            if ( count == eofChar ) break;
  +            switch ( count )
  +            {
  +                case '#':
  +                    readToEOL( stream );
  +                    break;
  +                case '0': case '1': case '2': case '3': case '4': case '5':
  +                case '6': case '7': case '8': case '9':
  +                    b <<= 4;
  +                    b += (byte) ( count - '0' );
  +                    characterCount++;
  +                    if ( characterCount == 2 )
  +                    {
  +                        bytes.add( new Byte( b ) );
  +                        characterCount = 0;
  +                        b = (byte) 0;
  +                    }
  +                    break;
  +                case 'A':
  +                case 'B':
  +                case 'C':
  +                case 'D':
  +                case 'E':
  +                case 'F':
  +                    baseChar = 'A';
  +                case 'a':
  +                case 'b':
  +                case 'c':
  +                case 'd':
  +                case 'e':
  +                case 'f':
  +                    b <<= 4;
  +                    b += (byte) ( count + 10 - baseChar );
  +                    characterCount++;
  +                    if ( characterCount == 2 )
  +                    {
  +                        bytes.add( new Byte( b ) );
  +                        characterCount = 0;
  +                        b = (byte) 0;
  +                    }
  +                    break;
  +                case -1:
  +                    done = true;
  +                    break;
  +                default :
  +                    break;
  +            }
  +        }
  +        Byte[] polished = (Byte[]) bytes.toArray( new Byte[0] );
  +        byte[] rval = new byte[polished.length];
  +        for ( int j = 0; j < polished.length; j++ )
  +        {
  +            rval[j] = polished[j].byteValue();
  +        }
  +        return rval;
  +    }
  +
  +    static private void readToEOL( InputStream stream ) throws IOException
  +    {
  +        int c = stream.read();
  +        while ( c != -1 && c != '\n' && c != '\r' )
  +        {
  +            c = stream.read();
  +        }
  +    }
  +}
  \ No newline at end of file
  
  
  

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