/**
* $Revision: 1.0 $
* $Date: Oct 14, 2010 $
*
* Author: Ian Chan
* Date : Oct 14, 2010
*/
package com.test.util;
import java.io.BufferedReader;
import java.io.File;
import java.io.FileInputStream;
import java.io.IOException;
import java.io.InputStream;
import java.io.InputStreamReader;
import java.io.UnsupportedEncodingException;
import java.util.regex.Matcher;
import java.util.regex.Pattern;
import org.apache.commons.io.FileUtils;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import com.test.convert.Converter;
/**
* @author Ian Chan
* @version 1.0
*/
public class ConverterHelper {
private static final Log logger = LogFactory.getLog(ConverterHelper.class);
private static final int LINE_LEN = 2048;
private static final String SPACE = " ";
public static String buildContent(File file) {
StringBuffer buffer = new StringBuffer();
InputStream is = null;
BufferedReader reader;
try {
is = new FileInputStream(file);
reader = new BufferedReader(new InputStreamReader(is));
String line;
while ((line = reader.readLine()) != null) {
if (line != null && line.length() < LINE_LEN) {
StrLength sl = new ConverterHelper().new StrLength(line, line.length());//InnerClass調用
handleLine(sl);
line = sl.line;
int length = sl.length;
int remain = LINE_LEN - length;
for (int i = 0; i < remain; i++) {
line += SPACE;//補齊空格
}
buffer.append(line);
System.out.println("len:" + line.length() + ",line:" + line);
}
}
} catch (IOException e) {
logger.error(e.getMessage(), e);
} finally {
if (is != null)
try {
is.close();
} catch (IOException e) {
logger.error(e.getMessage(), e);
}
}
return buffer.toString();
}
private static void handleLine(StrLength strLength) throws UnsupportedEncodingException {
String regex = "([\\u4e00-\\u9fa5]|[ ])+";//判斷中文的正則表達式(包括中文全角空格)
Pattern pattern = Pattern.compile(regex);
Matcher matcher = pattern.matcher(strLength.line);
if (!matcher.find())
return;
StringBuffer buffer = new StringBuffer();
int lineLength = 0;
boolean exist = true;
int index = 0;
while (exist) {
int start = matcher.start();//匹配第一個
int end = matcher.end();//匹配最後一個
String beforeStart = strLength.line.substring(index, start);
buffer.append(beforeStart);
lineLength += beforeStart.length();
String cnchars = strLength.line.substring(start, end);
buffer.append(cnchars);
lineLength += cnchars.length() * 2 + 2;// 中文字算兩位,前後控制符(0E,0F)各算一位
index = end;
exist = matcher.find(end + 1);//查找下一個中文
}
String remainLine = strLength.line.substring(index);
buffer.append(remainLine);
lineLength += remainLine.length();
strLength.line = buffer.toString();
strLength.length = lineLength;
}
public static void convert(String srcFileName, String destFileName) {
try {
String as400content = Converter.as400Encode(buildContent(new File(srcFileName)));
FileUtils.writeStringToFile(new File(destFileName), as400content, Converter.ENCODING);
System.out.println(as400content);
} catch (IOException e) {
logger.error(e.getMessage(), e);
}
}
class StrLength {
private String line;
private int length;
private StrLength(String line, int length) {
this.line = line;
this.length = length;
}
public String getLine() {
return line;
}
public void setLine(String line) {
this.line = line;
}
public int getLength() {
return length;
}
public void setLength(int length) {
this.length = length;
}
}
public static void main(String[] args) throws Exception {
String srcFileName = "F:\\AS400_CN";
String destFileName = "F:\\AS400_CN_CP937";
convert(srcFileName, destFileName);
System.out.println("Convert Finished");
}
}
对于代码页（CodePage）的内容，参考如下：
Conversion between any of the following codepages is provided.
37 (=x0025) EBCDIC US English
273 (=x0111) EBCDIC German
277 (=x0115) EBCDIC Danish/Norwegian
278 (=x0116) EBCDIC Finnish/Swedish
280 (=x0118) EBCDIC Italian
284 (=x011C) EBCDIC Spanish
285 (=x011D) EBCDIC UK English
297 (=x0129) EBCDIC French
300 (=x012C) EBCDIC Japanese DBCS
301 (=x012D) Japanese PC DBCS
420 (=x01A4) EBCDIC Arabic
424 (=x01A8) EBCDIC Arabic
437 (=x01B5) PC-ASCII US
500 (=x01F4) EBCDIC International
803 (=x0323) Hebrew Set A
813 (=x032D) ISO8859-7 Greek
819 (=x0333) ISO8859-1 Western European
833 (=x0341) IBM-833: Korean
834 (=x0342) IBM-834: Korean Host DBCS
835 (=x0343) EBCDIC Traditional Chinese DBCS
836 (=x0344) EBCDIC Simplified Chinese SBCS
838 (=x0346) EBCDIC Thai SBCS
850 (=x0352) ISO8859-1 Western European
852 (=x0354) PC-ASCII Eastern European
855 (=x0357) PC-ASCII Cyrillic
856 (=x0358) PC-ASCII Hebrew
857 (=x0359) PC-ASCII Turkish
858 (=x035A) PC-ASCII Western European with Euro
860 (=x035C) PC-ASCII Portuguese
861 (=x035D) PC-ASCII Icelandic
862 (=x035E) PC-ASCII Hebrew
863 (=x035F) PC-ASCII Canadian French
864 (=x0360) PC-ASCII Arabic
865 (=x0361) PC-ASCII Scandinavian
866 (=x0362) PC-ASCII Cyrillic #2
868 (=x0364) PC-ASCII Urdu
869 (=x0365) PC-ASCII Greek
870 (=x0366) EBCDIC Eastern Europe
871 (=x0367) EBCDIC Icelandic
872 (=x0368) PC-ASCII Cyrillic with Euro
874 (=x036A) PC-ASCII Thai SBCS
875 (=x036B) EBCDIC Greek
880 (=x0370) EBCDIC Cyrillic
891 (=x037B) IBM-891: Korean
897 (=x0381) PC-ASCII Japan Data SBCS
903 (=x0387) PC Simplified Chinese SBCS
904 (=x0388) PC Traditional Chinese Data - SBCS
912 (=x0390) ISO8859-2 Eastern European
915 (=x0393) ISO8859-5 Cyrillic
916 (=x0394) ISO8859-8 Hebrew
918 (=x0396) EBCDIC Urdu
920 (=x0398) ISO8859-9 Turkish
921 (=x0399) ISO Baltic
922 (=x039A) ISO Estonian
923 (=x039B) ISO8859-15 Western Europe with euro (Latin 9)
924 (=x039C) EBCDIC Western Europe with euro
927 (=x039F) PC Traditional Chinese DBCS
928 (=x03A0) PC Simplified Chinese DBCS
930 (=x03A2) EBCDIC Japanese Katakana/Kanji mixed
932 (=x03A4) Japanese OS/2
933 (=x03A5) EBCDIC Korean Mixed
935 (=x03A7) EBCDIC Simplified Chinese Mixed
937 (=x03A9) EBCDIC Traditional Chinese Mixed
939 (=x03AB) EBCDIC Japanese Latin/Kanji mixed
941 (=x03AD) Japanese PC DBCS - for open systems
942 (=x03AE) Japanese PC Data Mixed - extended SBCS
943 (=x03AF) Japanese PC Mixed - for open systems
944 (=x03BO) Korean PC data Mixed - extended SBCS
946 (=x03B2) Simplified Chinese PC data Mixed - extended SBCS
947 (=x03B3) PC Traditional Chinese DBCS
948 (=x03B4) PC Traditional Chinese Mixed - extended SBCS
949 (=x03B5) PC Korean Mixed - KS code
950 (=x03B6) PC Traditional Chinese Mixed - big5
951 (=x03B7) PC Korean DBCS - KS code
970 (=x03CA) euc Korean
1004 (=x03EC) PC Data Latin1
1006 (=x03EE) ISO Urdu
1008 (=x03F0) ASCII Arabic 8-bit ISO
1025 (=x0401) EBCDIC Cyrillic
1026 (=x0402) EBCDIC Turkish
1027 (=x0403) EBCDIC Japanese Latin
1040 (=x0410) IBM-1040: Korean
1041 (=x0411) Japanese PC - extended SBCS
1042 (=x0412) PC Simplified Chinese - extended SBCS
1043 (=x0413) PC Traditional Chinese - extended SBCS
1046 (=x0416) PC-ASCII Arabic
1047 (=x0417) IBM-1047: Western European
1051 (=x041B) ASCII roman8 for HP Western European
1088 (=x0440) PC Korean SBCS - KS code
1089 (=x0441) ISO8859-6 Arabic
1097 (=x0449) EBCDIC Farsi
1098 (=x044A) PC-ASCII Farsi
1112 (=x0458) EBCDIC Baltic (Latvian/Lithuanian)
1114 (=x045A) PC Traditional Chinese - big 5 SBCS
1115 (=x045B) PC Simplified Chinese SBCS
1122 (=x0462) EBCDIC Estonian
1123 (=x0463) EBCDIC Ukrainian
1124 (=x0464) UNIX-ASCII Ukrainian
1131 (=x046B) PC-ASCII Belarus
1140 (=x0474) EBCDIC USA, with euro (like 037)
1141 (=x0475) EBCDIC Austria, Germany, with euro (like 273)
1142 (=x0476) EBCDIC Denmark, Norway, with euro (like 277)
1143 (=x0477) EBCDIC Finland, Sweden, with euro (like 278)
1144 (=x0478) EBCDIC Italy, with euro (like 280)
1145 (=x0479) EBCDIC Spain, with euro (like 284)
1146 (=x047A) EBCDIC UK, with euro (like 285)
1147 (=x047B) EBCDIC France, with euro (like 297)
1148 (=x047C) EBCDIC International, with euro (like 500)
1149 (=x047D) EBCDIC Iceland, with euro (like 871)
1200 (=x04B0) Unicode - UCS-2
1208 (=x04B8) Unicode - UTF-8
1250 (=x04E2) Windows - Eastern European
1251 (=x04E3) Windows - Cyrillic
1252 (=x04E4) Windows - Western European
1253 (=x04E5) Windows - Greek
1254 (=x04E6) Windows - Turkish
1255 (=x04E7) Windows - Hebrew
1256 (=x04E8) Windows - Arabic
1257 (=x04E9) Windows - Baltic Rim
1275 (=x04FB) Apple - Western European
1280 (=x0500) Apple - Greek
1281 (=x0501) Apple - Turkish
1282 (=x0502) Apple - Eastern European
1283 (=x0503) Apple - Cyrillic
1284 (=x0504) IBM-504: Eastern European
1285 (=x0505) IBM-505: Eastern European
1363 (=x0553) Windows Korean PC Mixed including 11,172 full hangul
1364 (=x0554) Korean Host Mixed extended including 11,172 full hangul
1380 (=x0564) PC Simplified Chinese DBCS
1381 (=x0565) PC Simplified Chinese Mixed
1383 (=x0567) euc Simplified Chinese Mixed
1386 (=x056A) PC Simplified Chinese Data GBK Mixed
1388 (=x056C) DBCS Host Simplified Chinese Data GBK Mixed
5346 (=x14E2) Windows-Eastern European with Euro (like 1250)
5347 (=x14E3) Windows - Cyrillic with Euro (like 1251)
5348 (=x14E4) Windows-Western European with Euro (like 1252)
5349 (=x14E5) Windows-Windows - Greek with Euro (like 1253)
5350 (=x14E6) Windows - Turkish with Euro (like 1254)
5351 (=x14E7) Windows - Hebrew with Euro (like 1255)
5352 (=x14E8) Windows - Arabic with Euro (like 1256)
5353 (=x14E9) Windows - Baltic Rim with Euro (like 1257)
5354 (=x14EA) 'Windows - Vietnamese with Euro (like 1258)
维基百科 写道
Shift Out and Shift In characters
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Shift Out (SO) and Shift In (SI) are ASCII control characters 14 and 15, respectively (0xE and 0xF). The original meaning of those characters was to switch to a different character set and back. This was used, for instance, in the Russian character set known as KOI7, where SO starts printing Russian letters, and SI starts printing Latin letters again. SO/SI control characters also are used to display VT-100 pseudographics. ISO/IEC 2022 standard specifies their generalized usage.
Some older printers used these characters to control special features, such as changing the font or ink color. On the Model 38 Teletype, SO switched to red printing while SI switched back to black printing.
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