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PR:18846 

Obtained from:
Submitted by:	kamoshida.toshiaki@future.co.jp (Toshiaki Kamoshida)
Reviewed by:


git-svn-id: https://svn.apache.org/repos/asf/jakarta/poi/trunk@353304 13f79535-47bb-0310-9956-ffa450edef68
This commit is contained in:
Tetsuya Kitahata 2003-08-19 14:07:40 +00:00
parent 3dd04f9934
commit e7266f81c9
12 changed files with 343 additions and 360 deletions
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2
src/documentation/content/xdocs/dtd/changes-v11.dtd
View File

@ -62,7 +62,7 @@ COPYRIGHT:
<!-- Common entities -->
<!-- =============================================================== -->
<!ENTITY % types "add|remove|update|fix">
<!ENTITY % types "add|remove|update|fix|unknown">
<!-- =============================================================== -->
<!-- Document Type Definition -->

4
src/java/org/apache/poi/hssf/record/BoundSheetRecord.java
View File

@ -138,7 +138,7 @@ public class BoundSheetRecord
int nameLength = LittleEndian.ubyteToInt( field_3_sheetname_length );
if ( ( field_4_compressed_unicode_flag & 0x01 ) == 1 )
{
field_5_sheetname = StringUtil.getFromUnicodeHigh( data, 8 + offset, nameLength );
field_5_sheetname = StringUtil.getFromUnicodeLE( data, 8 + offset, nameLength );
}
else
{
@ -300,7 +300,7 @@ public class BoundSheetRecord
data[11 + offset] = getCompressedUnicodeFlag();
if ( ( field_4_compressed_unicode_flag & 0x01 ) == 1 )
StringUtil.putUncompressedUnicode( getSheetname(), data, 12 + offset );
StringUtil.putUnicodeLE( getSheetname(), data, 12 + offset );
else
StringUtil.putCompressedUnicode( getSheetname(), data, 12 + offset );

4
src/java/org/apache/poi/hssf/record/FontRecord.java
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@ -169,7 +169,7 @@ public class FontRecord
}
else
{ // is not compressed unicode
field_11_font_name = StringUtil.getFromUnicodeHigh(data, 16,
field_11_font_name = StringUtil.getFromUnicodeLE(data, 16,
field_10_font_name_len);
}
}
@ -579,7 +579,7 @@ public class FontRecord
data[ 18 + offset ] = getFontNameLength();
data[ 19 + offset ] = ( byte ) 1;
if (getFontName() != null) {
StringUtil.putUncompressedUnicode(getFontName(), data, 20 + offset);
StringUtil.putUnicodeLE(getFontName(), data, 20 + offset);
}
return getRecordSize();
}

4
src/java/org/apache/poi/hssf/record/FormatRecord.java
View File

@ -128,7 +128,7 @@ public class FormatRecord
if ( field_3_unicode_flag ) {
// unicode
field_4_formatstring = StringUtil.getFromUnicodeHigh( data, 5 + offset, field_3_unicode_len );
field_4_formatstring = StringUtil.getFromUnicodeLE( data, 5 + offset, field_3_unicode_len );
}
else {
// not unicode
@ -264,7 +264,7 @@ public class FormatRecord
if ( field_3_unicode_flag ) {
// unicode
StringUtil.putUncompressedUnicode( getFormatString(), data, 9 + offset );
StringUtil.putUnicodeLE( getFormatString(), data, 9 + offset );
}
else {
// not unicode

2
src/java/org/apache/poi/hssf/record/LabelRecord.java
View File

@ -152,7 +152,7 @@ public class LabelRecord
field_5_unicode_flag = data[ 8 + offset ];
if (isUnCompressedUnicode())
{
field_6_value = StringUtil.getFromUnicode(data, 8 + offset,
field_6_value = StringUtil.getFromUnicodeBE(data, 8 + offset,
field_4_string_len);
}
else

4
src/java/org/apache/poi/hssf/record/SeriesTextRecord.java
View File

@ -133,7 +133,7 @@ public class SeriesTextRecord
field_1_id = LittleEndian.getShort(data, pos + 0x0 + offset);
field_2_textLength = data[ pos + 0x2 + offset ];
field_3_undocumented = data[ pos + 0x3 + offset ];
field_4_text = StringUtil.getFromUnicodeHigh(data, pos + 0x4 + offset, ((field_2_textLength *2)/2));
field_4_text = StringUtil.getFromUnicodeLE(data, pos + 0x4 + offset, ((field_2_textLength *2)/2));
}
@ -172,7 +172,7 @@ public class SeriesTextRecord
LittleEndian.putShort(data, 4 + offset + pos, field_1_id);
data[ 6 + offset + pos ] = field_2_textLength;
data[ 7 + offset + pos ] = field_3_undocumented;
StringUtil.putUncompressedUnicodeHigh(field_4_text, data, 8 + offset + pos);
StringUtil.putUnicodeLE(field_4_text, data, 8 + offset + pos);
return getRecordSize();
}

4
src/java/org/apache/poi/hssf/record/StringRecord.java
View File

@ -130,7 +130,7 @@ public class StringRecord
field_2_unicode_flag = data[ 2 + offset ];
if (isUnCompressedUnicode())
{
field_3_string = StringUtil.getFromUnicode(data, 3 + offset, field_1_string_length );
field_3_string = StringUtil.getFromUnicodeBE(data, 3 + offset, field_1_string_length );
}
else
{
@ -182,7 +182,7 @@ public class StringRecord
data[6 + offset] = field_2_unicode_flag;
if (isUnCompressedUnicode())
{
StringUtil.putUncompressedUnicode(field_3_string, data, 7 + offset);
StringUtil.putUnicodeLE(field_3_string, data, 7 + offset);
}
else
{

2
src/java/org/apache/poi/hssf/record/StyleRecord.java
View File

@ -143,7 +143,7 @@ public class StyleRecord
field_3_string_options = data[4+offset];
if (fHighByte.isSet(field_3_string_options)) {
field_4_name= StringUtil.getFromUnicode(data,offset+5,field_2_name_length);
field_4_name= StringUtil.getFromUnicodeBE(data,offset+5,field_2_name_length);
}else {
field_4_name=StringUtil.getFromCompressedUnicode(data,offset+5,field_2_name_length);
}

4
src/java/org/apache/poi/hssf/record/UnicodeString.java
View File

@ -328,7 +328,7 @@ offset);
}
else
{
StringUtil.putUncompressedUnicode(unicodeString, data,
StringUtil.putUnicodeLE(unicodeString, data,
0x3 + offset);
}
}
@ -340,7 +340,7 @@ offset);
}
else
{
StringUtil.putUncompressedUnicode(getString(), data,
StringUtil.putUnicodeLE(getString(), data,
0x3 + offset);
}
}

4
src/java/org/apache/poi/hssf/record/formula/StringPtg.java
View File

@ -89,7 +89,7 @@ public class StringPtg
field_1_length = data[offset];
field_2_options = data[offset+1];
if (fHighByte.isSet(field_2_options)) {
field_3_string= StringUtil.getFromUnicode(data,offset+2,field_1_length);
field_3_string= StringUtil.getFromUnicodeBE(data,offset+2,field_1_length);
}else {
field_3_string=StringUtil.getFromCompressedUnicode(data,offset+2,field_1_length);
}
@ -130,7 +130,7 @@ public class StringPtg
array[ offset + 1 ] = field_1_length;
array[ offset + 2 ] = field_2_options;
if (fHighByte.isSet(field_2_options)) {
StringUtil.putUncompressedUnicode(getValue(),array,offset+3);
StringUtil.putUnicodeLE(getValue(),array,offset+3);
}else {
StringUtil.putCompressedUnicode(getValue(),array,offset+3);
}

645
src/java/org/apache/poi/util/StringUtil.java
View File

@ -1,363 +1,346 @@
/*
* ====================================================================
* The Apache Software License, Version 1.1
* ====================================================================
* The Apache Software License, Version 1.1
*
* Copyright (c) 2002 The Apache Software Foundation. All rights
* reserved.
* 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:
* 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.
* 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.
* 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.
* 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.
* 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.
* 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 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/>.
* 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.UnsupportedEncodingException;
import java.text.NumberFormat;
import java.text.FieldPosition;
/**
* Title: String Utility Description: Collection of string handling utilities
import java.util.Arrays;
/**
* Title: String Utility Description: Collection of string handling utilities
*
*
* Now it is quite confusing: the method pairs, in which
* one of them write data and other read written data are:
* putUncompressedUnicodeHigh and getFromUnicode
* putUncompressedUnicode and getFromUnicodeHigh
*
*@author Andrew C. Oliver
*@author Sergei Kozello (sergeikozello at mail.ru)
*@created May 10, 2002
*@version 1.0
*@author Andrew C. Oliver
*@author Sergei Kozello (sergeikozello at mail.ru)
*@author Toshiaki Kamoshida (kamoshida.toshiaki at future dot co dot jp)
*@created May 10, 2002
*@version 1.0
*/
public class StringUtil {
private final static String ENCODING="ISO-8859-1";
/**
* Constructor for the StringUtil object
*/
private StringUtil() { }
private final static String ENCODING = "ISO-8859-1";
/**
* Constructor for the StringUtil object
*/
private StringUtil() {
}
/**
* given a byte array of 16-bit unicode characters, compress to 8-bit and
* return a string
*
* { 0x16, 0x00 } -> 0x16
*
*@param string the byte array to be converted
*@param offset the initial offset into the
* byte array. it is assumed that string[ offset ] and string[ offset +
* 1 ] contain the first 16-bit unicode character
*@param len
*@return the converted string
*@exception ArrayIndexOutOfBoundsException if offset is out of bounds for
* the byte array (i.e., is negative or is greater than or equal to
* string.length)
*@exception IllegalArgumentException if len is too large (i.e.,
* there is not enough data in string to create a String of that
* length)
*@len the length of the final string
*/
/**
* given a byte array of 16-bit unicode characters, compress to 8-bit and
* return a string
*
* { 0x16, 0x00 } -0x16
*
*@param string the byte array to be converted
*@param offset the initial offset into the
* byte array. it is assumed that string[ offset ] and string[ offset +
* 1 ] contain the first 16-bit unicode character
*@param len
*@return the converted string
*@exception ArrayIndexOutOfBoundsException if offset is out of bounds for
* the byte array (i.e., is negative or is greater than or equal to
* string.length)
*@exception IllegalArgumentException if len is too large (i.e.,
* there is not enough data in string to create a String of that
* length)
*@len the length of the final string
*/
public static String getFromUnicodeLE(
final byte[] string,
final int offset,
final int len)
throws ArrayIndexOutOfBoundsException, IllegalArgumentException {
if ((offset < 0) || (offset >= string.length)) {
throw new ArrayIndexOutOfBoundsException("Illegal offset");
}
if ((len < 0) || (((string.length - offset) / 2) < len)) {
throw new IllegalArgumentException("Illegal length");
}
public static String getFromUnicodeHigh(final byte[] string,
final int offset, final int len)
throws ArrayIndexOutOfBoundsException, IllegalArgumentException {
try {
return new String(string, offset, len * 2, "UTF-16LE");
} catch (UnsupportedEncodingException e) {
throw new InternalError(); /*unreachable*/
}
}
if ((offset < 0) || (offset >= string.length)) {
throw new ArrayIndexOutOfBoundsException("Illegal offset");
}
if ((len < 0) || (((string.length - offset) / 2) < len)) {
throw new IllegalArgumentException("Illegal length");
}
char[] chars = new char[ len ];
for ( int i = 0; i < chars.length; i++ ) {
chars[i] = (char)( string[ offset + ( 2*i ) ] & 0xFF |
( string[ offset + ( 2*i+1 ) ] << 8 ) );
}
/**
* given a byte array of 16-bit unicode characters, compress to 8-bit and
* return a string
*
* { 0x16, 0x00 } -0x16
*
*@param string the byte array to be converted
*@return the converted string
*/
public static String getFromUnicodeLE(final byte[] string) {
return getFromUnicodeLE(string, 0, string.length / 2);
}
return new String( chars );
}
/**
* given a byte array of 16-bit unicode characters, compress to 8-bit and
* return a string
*
* { 0x16, 0x00 } -> 0x16
*
*@param string the byte array to be converted
*@return the converted string
*/
/**
* given a byte array of 16-bit unicode characters, compress to 8-bit and
* return a string
*
* { 0x00, 0x16 } -0x16
*
*@param string the byte array to be converted
**@param offset the initial offset into the
* byte array. it is assumed that string[ offset ] and string[ offset +
* 1 ] contain the first 16-bit unicode character
*@param len
*@return the converted string
*@exception ArrayIndexOutOfBoundsException if offset is out of bounds for
* the byte array (i.e., is negative or is greater than or equal to
* string.length)
*@exception IllegalArgumentException if len is too large (i.e.,
* there is not enough data in string to create a String of that
* length)
*@len the length of the final string
*/
public static String getFromUnicodeBE(
final byte[] string,
final int offset,
final int len)
throws ArrayIndexOutOfBoundsException, IllegalArgumentException {
if ((offset < 0) || (offset >= string.length)) {
throw new ArrayIndexOutOfBoundsException("Illegal offset");
}
if ((len < 0) || (((string.length - offset) / 2) < len)) {
throw new IllegalArgumentException("Illegal length");
}
try {
return new String(string, offset, len * 2, "UTF-16BE");
} catch (UnsupportedEncodingException e) {
throw new InternalError(); /*unreachable*/
}
}
public static String getFromUnicodeHigh( final byte[] string ) {
return getFromUnicodeHigh( string, 0, string.length / 2 );
}
/**
* given a byte array of 16-bit unicode characters, compress to 8-bit and
* return a string
*
* { 0x00, 0x16 } -0x16
*
*@param string the byte array to be converted
*@return the converted string
*/
public static String getFromUnicodeBE(final byte[] string) {
return getFromUnicodeBE(string, 0, string.length / 2);
}
/**
* read compressed unicode(8bit)
*
* @param string byte array to read
* @param offset offset to read byte array
* @param len length to read byte array
* @return String generated String instance by reading byte array
*/
public static String getFromCompressedUnicode(
final byte[] string,
final int offset,
final int len) {
try {
return new String(string, offset, len, "ISO-8859-1");
} catch (UnsupportedEncodingException e) {
throw new InternalError(); /* unreachable */
}
}
/**
* given a byte array of 16-bit unicode characters, compress to 8-bit and
* return a string
*
* { 0x00, 0x16 } -> 0x16
*
*@param string the byte array to be converted
*@param offset the initial offset into the
* byte array. it is assumed that string[ offset ] and string[ offset +
* 1 ] contain the first 16-bit unicode character
*@param len
*@return the converted string
*@exception ArrayIndexOutOfBoundsException if offset is out of bounds for
* the byte array (i.e., is negative or is greater than or equal to
* string.length)
*@exception IllegalArgumentException if len is too large (i.e.,
* there is not enough data in string to create a String of that
* length)
*@len the length of the final string
*/
/**
* write compressed unicode
*
*@param input the String containing the data to be written
*@param output the byte array to which the data is to be written
*@param offset an offset into the byte arrat at which the data is start
* when written
*/
public static void putCompressedUnicode(
final String input,
final byte[] output,
final int offset) {
try {
byte[] bytes = input.getBytes("ISO-8859-1");
System.arraycopy(bytes, 0, output, offset, bytes.length);
} catch (UnsupportedEncodingException e) {
throw new InternalError(); /*unreachable*/
}
}
public static String getFromUnicode(final byte[] string,
final int offset, final int len)
throws ArrayIndexOutOfBoundsException, IllegalArgumentException {
if ((offset < 0) || (offset >= string.length)) {
throw new ArrayIndexOutOfBoundsException("Illegal offset");
}
if ((len < 0) || (((string.length - offset) / 2) < len)) {
throw new IllegalArgumentException("Illegal length");
}
/**
* Write uncompressed unicode
*
*@param input the String containing the unicode data to be written
*@param output the byte array to hold the uncompressed unicode
*@param offset the offset to start writing into the byte array
*/
public static void putUnicodeLE(
final String input,
final byte[] output,
final int offset) {
try {
byte[] bytes = input.getBytes("UTF-16LE");
System.arraycopy(bytes, 0, output, offset, bytes.length);
} catch (UnsupportedEncodingException e) {
throw new InternalError(); /*unreachable*/
}
}
char[] chars = new char[ len ];
for ( int i = 0; i < chars.length; i++ ) {
chars[i] = (char)( ( string[ offset + ( 2*i ) ] << 8 ) +
string[ offset + ( 2*i+1 ) ] );
}
return new String( chars );
}
/**
* Write uncompressed unicode
*
*@param input the String containing the unicode data to be written
*@param output the byte array to hold the uncompressed unicode
*@param offset the offset to start writing into the byte array
*/
public static void putUnicodeBE(
final String input,
final byte[] output,
final int offset) {
try {
byte[] bytes = input.getBytes("UTF-16BE");
System.arraycopy(bytes, 0, output, offset, bytes.length);
} catch (UnsupportedEncodingException e) {
throw new InternalError(); /*unreachable*/
}
}
/**
* Description of the Method
*
*@param message Description of the Parameter
*@param params Description of the Parameter
*@return Description of the Return Value
*/
public static String format(String message, Object[] params) {
int currentParamNumber = 0;
StringBuffer formattedMessage = new StringBuffer();
for (int i = 0; i < message.length(); i++) {
if (message.charAt(i) == '%') {
if (currentParamNumber >= params.length) {
formattedMessage.append("?missing data?");
} else if (
(params[currentParamNumber] instanceof Number)
&& (i + 1 < message.length())) {
i
+= matchOptionalFormatting(
(Number) params[currentParamNumber++],
message.substring(i + 1),
formattedMessage);
} else {
formattedMessage.append(
params[currentParamNumber++].toString());
}
} else {
if ((message.charAt(i) == '\\')
&& (i + 1 < message.length())
&& (message.charAt(i + 1) == '%')) {
formattedMessage.append('%');
i++;
} else {
formattedMessage.append(message.charAt(i));
}
}
}
return formattedMessage.toString();
}
/**
* given a byte array of 16-bit unicode characters, compress to 8-bit and
* return a string
*
* { 0x00, 0x16 } -> 0x16
*
*@param string the byte array to be converted
*@return the converted string
*/
/**
* Description of the Method
*
*@param number Description of the Parameter
*@param formatting Description of the Parameter
*@param outputTo Description of the Parameter
*@return Description of the Return Value
*/
private static int matchOptionalFormatting(
Number number,
String formatting,
StringBuffer outputTo) {
NumberFormat numberFormat = NumberFormat.getInstance();
if ((0 < formatting.length())
&& Character.isDigit(formatting.charAt(0))) {
numberFormat.setMinimumIntegerDigits(
Integer.parseInt(formatting.charAt(0) + ""));
if ((2 < formatting.length())
&& (formatting.charAt(1) == '.')
&& Character.isDigit(formatting.charAt(2))) {
numberFormat.setMaximumFractionDigits(
Integer.parseInt(formatting.charAt(2) + ""));
numberFormat.format(number, outputTo, new FieldPosition(0));
return 3;
}
numberFormat.format(number, outputTo, new FieldPosition(0));
return 1;
} else if (
(0 < formatting.length()) && (formatting.charAt(0) == '.')) {
if ((1 < formatting.length())
&& Character.isDigit(formatting.charAt(1))) {
numberFormat.setMaximumFractionDigits(
Integer.parseInt(formatting.charAt(1) + ""));
numberFormat.format(number, outputTo, new FieldPosition(0));
return 2;
}
}
numberFormat.format(number, outputTo, new FieldPosition(0));
return 1;
}
public static String getFromUnicode(final byte[] string) {
return getFromUnicode(string, 0, string.length / 2);
}
/**
* read compressed unicode(8bit)
*
* @author Toshiaki Kamoshida(kamoshida.toshiaki at future dot co dot jp)
*
* @param string byte array to read
* @param offset offset to read byte array
* @param len length to read byte array
* @return String generated String instance by reading byte array
*/
public static String getFromCompressedUnicode(final byte[] string,
final int offset, final int len){
try{
return new String(string,offset,len,"ISO-8859-1");
}
catch(UnsupportedEncodingException e){
throw new InternalError();/* unreachable */
}
}
/**
* write compressed unicode
*
*@param input the String containing the data to be written
*@param output the byte array to which the data is to be written
*@param offset an offset into the byte arrat at which the data is start
* when written
*/
public static void putCompressedUnicode(final String input,
final byte[] output,
final int offset) {
int strlen = input.length();
for (int k = 0; k < strlen; k++) {
output[offset + k] = (byte) input.charAt(k);
}
}
/**
* Write uncompressed unicode
*
*@param input the String containing the unicode data to be written
*@param output the byte array to hold the uncompressed unicode
*@param offset the offset to start writing into the byte array
*/
public static void putUncompressedUnicode(final String input,
final byte[] output,
final int offset) {
int strlen = input.length();
for (int k = 0; k < strlen; k++) {
char c = input.charAt(k);
output[offset + (2 * k)] = (byte) c;
output[offset + (2 * k) + 1] = (byte) (c >> 8);
}
}
/**
* Write uncompressed unicode
*
*@param input the String containing the unicode data to be written
*@param output the byte array to hold the uncompressed unicode
*@param offset the offset to start writing into the byte array
*/
public static void putUncompressedUnicodeHigh(final String input,
final byte[] output,
final int offset) {
int strlen = input.length();
for (int k = 0; k < strlen; k++) {
char c = input.charAt(k);
output[offset + (2 * k)] = (byte) (c >> 8);
output[offset + (2 * k)] = (byte) c;
}
}
/**
* Description of the Method
*
*@param message Description of the Parameter
*@param params Description of the Parameter
*@return Description of the Return Value
*/
public static String format(String message, Object[] params) {
int currentParamNumber = 0;
StringBuffer formattedMessage = new StringBuffer();
for (int i = 0; i < message.length(); i++) {
if (message.charAt(i) == '%') {
if (currentParamNumber >= params.length) {
formattedMessage.append("?missing data?");
} else if ((params[currentParamNumber] instanceof Number)
&& (i + 1 < message.length())) {
i += matchOptionalFormatting(
(Number) params[currentParamNumber++],
message.substring(i + 1), formattedMessage);
} else {
formattedMessage.append(params[currentParamNumber++].toString());
}
} else {
if ((message.charAt(i) == '\\') && (i + 1 < message.length())
&& (message.charAt(i + 1) == '%')) {
formattedMessage.append('%');
i++;
} else {
formattedMessage.append(message.charAt(i));
}
}
}
return formattedMessage.toString();
}
/**
* Description of the Method
*
*@param number Description of the Parameter
*@param formatting Description of the Parameter
*@param outputTo Description of the Parameter
*@return Description of the Return Value
*/
private static int matchOptionalFormatting(Number number,
String formatting,
StringBuffer outputTo) {
NumberFormat numberFormat = NumberFormat.getInstance();
if ((0 < formatting.length())
&& Character.isDigit(formatting.charAt(0))) {
numberFormat.setMinimumIntegerDigits(Integer.parseInt(formatting.charAt(0) + ""));
if ((2 < formatting.length()) && (formatting.charAt(1) == '.')
&& Character.isDigit(formatting.charAt(2))) {
numberFormat.setMaximumFractionDigits(Integer.parseInt(formatting.charAt(2) + ""));
numberFormat.format(number, outputTo, new FieldPosition(0));
return 3;
}
numberFormat.format(number, outputTo, new FieldPosition(0));
return 1;
} else if ((0 < formatting.length()) && (formatting.charAt(0) == '.')) {
if ((1 < formatting.length())
&& Character.isDigit(formatting.charAt(1))) {
numberFormat.setMaximumFractionDigits(Integer.parseInt(formatting.charAt(1) + ""));
numberFormat.format(number, outputTo, new FieldPosition(0));
return 2;
}
}
numberFormat.format(number, outputTo, new FieldPosition(0));
return 1;
}
/**
* @return the encoding we want to use (ISO-8859-1)
*/
public static String getPreferredEncoding() {
return ENCODING;
}
/**
* @return the encoding we want to use (ISO-8859-1)
*/
public static String getPreferredEncoding() {
return ENCODING;
}
}

24
src/testcases/org/apache/poi/util/TestStringUtil.java
View File

@ -92,7 +92,7 @@ public class TestStringUtil
}
assertEquals( "abcdefghijklmnop",
StringUtil.getFromUnicode( test_data ) );
StringUtil.getFromUnicodeBE( test_data ) );
}
/**
@ -112,7 +112,7 @@ public class TestStringUtil
};
assertEquals( "\u0422\u0435\u0441\u0442 test",
StringUtil.getFromUnicode( test_data ) );
StringUtil.getFromUnicodeBE( test_data ) );
}
/**
@ -133,7 +133,7 @@ public class TestStringUtil
assertEquals( "\u0422\u0435\u0441\u0442 test",
StringUtil.getFromUnicodeHigh( test_data ) );
StringUtil.getFromUnicodeLE( test_data ) );
}
/**
@ -149,12 +149,12 @@ public class TestStringUtil
test_data[index++] = (byte) ( 'a' + k );
}
assertEquals( "abcdefghijklmno",
StringUtil.getFromUnicode( test_data, 0, 15 ) );
StringUtil.getFromUnicodeBE( test_data, 0, 15 ) );
assertEquals( "bcdefghijklmnop",
StringUtil.getFromUnicode( test_data, 2, 15 ) );
StringUtil.getFromUnicodeBE( test_data, 2, 15 ) );
try
{
StringUtil.getFromUnicode( test_data, -1, 16 );
StringUtil.getFromUnicodeBE( test_data, -1, 16 );
fail( "Should have caught ArrayIndexOutOfBoundsException" );
}
catch ( ArrayIndexOutOfBoundsException ignored )
@ -164,7 +164,7 @@ public class TestStringUtil
try
{
StringUtil.getFromUnicode( test_data, 32, 16 );
StringUtil.getFromUnicodeBE( test_data, 32, 16 );
fail( "Should have caught ArrayIndexOutOfBoundsException" );
}
catch ( ArrayIndexOutOfBoundsException ignored )
@ -174,7 +174,7 @@ public class TestStringUtil
try
{
StringUtil.getFromUnicode( test_data, 1, 16 );
StringUtil.getFromUnicodeBE( test_data, 1, 16 );
fail( "Should have caught IllegalArgumentException" );
}
catch ( IllegalArgumentException ignored )
@ -184,7 +184,7 @@ public class TestStringUtil
try
{
StringUtil.getFromUnicode( test_data, 1, -1 );
StringUtil.getFromUnicodeBE( test_data, 1, -1 );
fail( "Should have caught IllegalArgumentException" );
}
catch ( IllegalArgumentException ignored )
@ -248,13 +248,13 @@ public class TestStringUtil
(byte) 'd', (byte) 0
};
StringUtil.putUncompressedUnicode( input, output, 0 );
StringUtil.putUnicodeLE( input, output, 0 );
for ( int j = 0; j < expected_output.length; j++ )
{
assertEquals( "testing offset " + j, expected_output[j],
output[j] );
}
StringUtil.putUncompressedUnicode( input, output,
StringUtil.putUnicodeLE( input, output,
100 - expected_output.length );
for ( int j = 0; j < expected_output.length; j++ )
{
@ -263,7 +263,7 @@ public class TestStringUtil
}
try
{
StringUtil.putUncompressedUnicode( input, output,
StringUtil.putUnicodeLE( input, output,
101 - expected_output.length );
fail( "Should have caught ArrayIndexOutOfBoundsException" );
}