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Moonnight 《護衛隊長》
文章: 716
v3.8.8

Java ParseText 測試中

package test.fin.tools;

import java.io.*;

public class ParseText {

public ParseText() {
}

private static String getCommand(BufferedReader br,
String prompt) throws Exception{
System.out.print(prompt);
return br.readLine();
}

public static void main(String[] args) {
if ( args.length == 0 ) {
BufferedReader br = new BufferedReader(new InputStreamReader(System.in));
try {
args = new String[3];
args[0] = getCommand(br,"KEY:");
args[1] = getCommand(br,"File name:");
args[2] = getCommand(br,"MODE:");
} catch (Exception ex) {
ex.printStackTrace();
System.exit(1);
}

} else if ( args.length != 3 ) {
System.out.println("ParseText KEY Filename MODE");
System.out.println(" MODE : ");
System.out.println(" 1 : encode ");
System.out.println(" 2 : decode ");
System.exit(1);
}
//
TextProcessor processor = null ;
if ( args[2].equals("1") ) {
processor = new TextEncoder();
} else {
processor = new TextDecoder();
}
processor.fileName = args[1] ;
if ( processor.parse(args[0]) ) {
System.out.println("ok!");
}

}
}
// ***************************
package test.fin.tools;

public class TextDecoder extends TextProcessor{

public TextDecoder() {
}

public boolean parse(String key) {

java.io.File file = this.checkFileExist();
if ( file == null ) return false;

byte[] keys = key.getBytes();
int keyCount = 0 ;
java.io.FileInputStream fis = null ;
try {
//
fis = new java.io.FileInputStream(file);
java.io.FileOutputStream fos = new java.io.FileOutputStream(this.fileName+".decode",false);
//
byte[] buffer = new byte[1] ;
int length = 0 ;
while ( (length = fis.read(buffer)) != -1 ) {
for ( int i = 0 ; i < length ; i++ ) {
//System.out.print(buffer+"+"+keys[(keyCount % keys.length)]+"=");
buffer -= keys[(keyCount++ % keys.length)];
//System.out.println(buffer);
}
fos.write(buffer,0,length);
}
fis.close();
fos.close();
} catch (Exception ex) {
ex.printStackTrace();
return false;
}
return true;
}

public static void main(String[] args) {
TextDecoder test = new TextDecoder();
test.fileName = "d:\\temp\\a.txt.encode";
test.parse("test");
}
}
// *********************

package test.fin.tools;

import java.io.*;

public class TextEncoder extends TextProcessor{

public TextEncoder() {
}

public boolean parse(String key) {

java.io.File file = this.checkFileExist();
if ( file == null ) return false;

byte[] keys = key.getBytes();
int keyCount = 0 ;
java.io.FileInputStream fis = null ;
try {
//
fis = new java.io.FileInputStream(file);
java.io.FileOutputStream fos = new java.io.FileOutputStream(this.fileName+".encode",false);
//
byte[] buffer = new byte[1] ;
int length = 0 ;
while ( (length = fis.read(buffer)) != -1 ) {
for ( int i = 0 ; i < length ; i++ ) {
//System.out.print(buffer+"+"+keys[(keyCount % keys.length)]+"=");
buffer += keys[keyCount++ % keys.length];
//System.out.println(buffer);
}
fos.write(buffer,0,length);
}
fis.close();
fos.close();
} catch (Exception ex) {
ex.printStackTrace();
return false;
}

return true;
}

public static void main(String[] args) {
TextEncoder test = new TextEncoder();
test.fileName = "d:\\temp\\a.txt" ;
test.parse("test");
}
}

// ***********************
package test.fin.tools;

abstract class TextProcessor {

public String fileName = null ;

public TextProcessor() {
}

protected java.io.File checkFileExist() {

if ( this.fileName == null ) {
System.out.println("Please input filename!");
return null;
}

java.io.File file = new java.io.File(this.fileName) ;

if ( !file.isFile() ) {
System.out.println(this.fileName + " isn't exist !");
return null;
}
return file;
}

abstract public boolean parse(String key) ;

}
----------------------------------------
[編輯文章 1 次, 最後修改： jieh 於 2025/5/2 下午 05:16:19]

[2005/8/11 下午 06:20:33]

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