J2ME中的StringTokenizer

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  在se中用惯了的StringTokenizer,在ME中没有了.怎么办呢,分割好的字符串是不得不解析的,老板交代的任务是要做的:).本来想自己土法上马做一个，可是"重新发明轮子",好像不是那么高明，先用google找了找，果然有高人已经实现了.代码在下面:

  importjava.util.*;

  publicclassStringTokenizerimpleMEntsMEration.java.html" target="_blank" />EnuMEration

  {

  privatevoidsetMaxDelimChar()

  {

  if(delimiters==null)

  {

  maxDelimChar='/0';

  return;

  }

  charc='/0';

  for(inti=0;i

  {

  charc1=delimiters.charAt(i);

  if(c

  c=c1;

  }

  maxDelimChar=c;

  }

  publicStringTokenizer(Strings,Strings1,booleanflag)

  {

  currentPosition=0;

  newPosition=-1;

  delimsChanged=false;

  str=s;

  maxPosition=s.length();

  delimiters=s1;

  retDelims=flag;

  setMaxDelimChar();

  }

  publicStringTokenizer(Strings,Strings1)

  {

  this(s,s1,false);

  }

  publicStringTokenizer(Strings)

  {

  this(s,"/t/n/r/f",false);

  }

  privateintskipDelimiters(inti)

  {

  if(delimiters==null)

  thrownewNullPointerException();

  intj;

  for(j=i;!retDelims&&j

  {

  charc=str.charAt(j);

  if(c>maxDelimChar||delimiters.indexOf(c)<0)

  break;

  }

  returnj;

  }

  privateintscanToken(inti)

  {

  intj;

  for(j=i;j

  {

  charc=str.charAt(j);

  if(c<=maxDelimChar&&delimiters.indexOf(c)>=0)

  break;

  }

  if(retDelims&&i==j)

  {

  charc1=str.charAt(j);

  if(c1<=maxDelimChar&&delimiters.indexOf(c1)>=0)

  j++;

  }

  returnj;

  }

  publicbooleanhasMoreTokens()

  {

  newPosition=skipDelimiters(currentPosition);

  returnnewPosition

  }

  publicStringnextToken()

  {

  currentPosition=newPosition<0||delimsChanged?skipDelimiters(currentPosition):newPosition;

  delimsChanged=false;

  newPosition=-1;

  if(currentPosition>=maxPosition)

  {

  thrownewMEntexception.java.html" target="_blank" />NoSuchEleMEntException();

  }else

  {

  inti=currentPosition;

  currentPosition=scanToken(currentPosition);

  returnstr.substring(i,currentPosition);

  }

  }

  publicStringnextToken(Strings)

  {

  delimiters=s;

  delimsChanged=true;

  setMaxDelimChar();

  returnnextToken();

  }

  publicbooleanhasMoreEleMEnts()

  {

  returnhasMoreTokens();

  }

  publicObjectnextEleMEnt()

  {

  returnnextToken();

  }

  publicintcountTokens()

  {

  inti=0;

  for(intj=currentPosition;j

  {

  j=skipDelimiters(j);

  if(j>=maxPosition)

  break;

  j=scanToken(j);

  i++;

  }

  returni;

  }

  privateintcurrentPosition;

  privateintnewPosition;

  privateintmaxPosition;

  privateStringstr;

  privateStringdelimiters;

  privatebooleanretDelims;

  privatebooleandelimsChanged;

  privatecharmaxDelimChar;

  }

  原文在这里:http://wap.tutorials.de/t-127933.

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