Rewinded: StringUtil.java: Sync to REL_2 BRANCH
git-svn-id: https://svn.apache.org/repos/asf/jakarta/poi/trunk@353249 13f79535-47bb-0310-9956-ffa450edef68
This commit is contained in:
Tetsuya Kitahata
parent
b07e707db1
commit
9af1ac7f8a
@ -2,7 +2,7 @@
|
||||
* ====================================================================
|
||||
* The Apache Software License, Version 1.1
|
||||
*
|
||||
* Copyright (c) 2003 The Apache Software Foundation. All rights
|
||||
* Copyright (c) 2002 The Apache Software Foundation. All rights
|
||||
* reserved.
|
||||
*
|
||||
* Redistribution and use in source and binary forms, with or without
|
||||
@ -55,32 +55,38 @@
|
||||
package org.apache.poi.util;
|
||||
|
||||
import java.io.UnsupportedEncodingException;
|
||||
|
||||
import java.text.NumberFormat;
|
||||
import java.text.FieldPosition;
|
||||
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)
|
||||
*@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";
|
||||
|
||||
private final static String ENCODING="ISO-8859-1";
|
||||
/**
|
||||
* Constructor for the StringUtil object
|
||||
*/
|
||||
private StringUtil() {
|
||||
}
|
||||
private StringUtil() { }
|
||||
|
||||
|
||||
/**
|
||||
* given a byte array of 16-bit unicode characters, compress to 8-bit and
|
||||
* return a string
|
||||
*
|
||||
* { 0x16, 0x00 } -0x16
|
||||
* { 0x16, 0x00 } -> 0x16
|
||||
*
|
||||
*@param string the byte array to be converted
|
||||
*@param offset the initial offset into the
|
||||
@ -96,11 +102,11 @@ public class StringUtil {
|
||||
* length)
|
||||
*@len the length of the final string
|
||||
*/
|
||||
public static String getFromUnicodeLE(
|
||||
final byte[] string,
|
||||
final int offset,
|
||||
final int len)
|
||||
|
||||
public static String getFromUnicodeHigh(final byte[] string,
|
||||
final int offset, final int len)
|
||||
throws ArrayIndexOutOfBoundsException, IllegalArgumentException {
|
||||
|
||||
if ((offset < 0) || (offset >= string.length)) {
|
||||
throw new ArrayIndexOutOfBoundsException("Illegal offset");
|
||||
}
|
||||
@ -108,34 +114,39 @@ public class StringUtil {
|
||||
throw new IllegalArgumentException("Illegal length");
|
||||
}
|
||||
|
||||
try {
|
||||
return new String(string, offset, len * 2, "UTF-16LE");
|
||||
} 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 ) ] & 0xFF |
|
||||
( string[ offset + ( 2*i+1 ) ] << 8 ) );
|
||||
}
|
||||
|
||||
return new String( chars );
|
||||
}
|
||||
|
||||
|
||||
/**
|
||||
* given a byte array of 16-bit unicode characters, compress to 8-bit and
|
||||
* return a string
|
||||
*
|
||||
* { 0x16, 0x00 } -0x16
|
||||
* { 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);
|
||||
|
||||
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
|
||||
* { 0x00, 0x16 } -> 0x16
|
||||
*
|
||||
*@param string the byte array to be converted
|
||||
**@param offset the initial offset into the
|
||||
*@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
|
||||
@ -148,10 +159,9 @@ public class StringUtil {
|
||||
* length)
|
||||
*@len the length of the final string
|
||||
*/
|
||||
public static String getFromUnicodeBE(
|
||||
final byte[] string,
|
||||
final int offset,
|
||||
final int len)
|
||||
|
||||
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");
|
||||
@ -159,42 +169,50 @@ public class StringUtil {
|
||||
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*/
|
||||
|
||||
|
||||
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 );
|
||||
}
|
||||
|
||||
|
||||
/**
|
||||
* given a byte array of 16-bit unicode characters, compress to 8-bit and
|
||||
* return a string
|
||||
*
|
||||
* { 0x00, 0x16 } -0x16
|
||||
* { 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);
|
||||
|
||||
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 */
|
||||
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 */
|
||||
}
|
||||
}
|
||||
|
||||
@ -206,15 +224,36 @@ public class StringUtil {
|
||||
*@param offset an offset into the byte arrat at which the data is start
|
||||
* when written
|
||||
*/
|
||||
public static void putCompressedUnicode(
|
||||
final String input,
|
||||
|
||||
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*/
|
||||
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);
|
||||
}
|
||||
}
|
||||
|
||||
@ -225,36 +264,22 @@ public class StringUtil {
|
||||
*@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,
|
||||
|
||||
public static void putUncompressedUnicodeHigh(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*/
|
||||
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;
|
||||
}
|
||||
}
|
||||
|
||||
/**
|
||||
* 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
|
||||
@ -266,25 +291,21 @@ public class StringUtil {
|
||||
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)
|
||||
} else if ((params[currentParamNumber] instanceof Number)
|
||||
&& (i + 1 < message.length())) {
|
||||
i
|
||||
+= matchOptionalFormatting(
|
||||
i += matchOptionalFormatting(
|
||||
(Number) params[currentParamNumber++],
|
||||
message.substring(i + 1),
|
||||
formattedMessage);
|
||||
message.substring(i + 1), formattedMessage);
|
||||
} else {
|
||||
formattedMessage.append(
|
||||
params[currentParamNumber++].toString());
|
||||
formattedMessage.append(params[currentParamNumber++].toString());
|
||||
}
|
||||
} else {
|
||||
if ((message.charAt(i) == '\\')
|
||||
&& (i + 1 < message.length())
|
||||
if ((message.charAt(i) == '\\') && (i + 1 < message.length())
|
||||
&& (message.charAt(i + 1) == '%')) {
|
||||
formattedMessage.append('%');
|
||||
i++;
|
||||
@ -296,6 +317,7 @@ public class StringUtil {
|
||||
return formattedMessage.toString();
|
||||
}
|
||||
|
||||
|
||||
/**
|
||||
* Description of the Method
|
||||
*
|
||||
@ -304,31 +326,26 @@ public class StringUtil {
|
||||
*@param outputTo Description of the Parameter
|
||||
*@return Description of the Return Value
|
||||
*/
|
||||
private static int matchOptionalFormatting(
|
||||
Number number,
|
||||
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) == '.')
|
||||
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.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) == '.')) {
|
||||
} 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.setMaximumFractionDigits(Integer.parseInt(formatting.charAt(1) + ""));
|
||||
numberFormat.format(number, outputTo, new FieldPosition(0));
|
||||
return 2;
|
||||
}
|
||||
|
||||
Loading…
Reference in New Issue
Block a user