Metacat

  /** 

   * Utility method to get docid from a given string

   * @param string, the given string should be these two format:

   *              1) str1.str2  in this case docid= str1.str2

   *              2) str1.str2.str3, in this case docid =str1.str2

   * @param the sperator char

   */

  public static String getDocIdFromString(String str)

  {

    String docId = null;

    int dotNumber = 0;//count how many dots in given string

    int indexOfLastDot = 0;

    //assume that seperator is one charactor string

    char seperator=getOption("accNumSeparator").charAt(0);

    for (int i=0; i<str.length(); i++)

    {

      if ( str.charAt(i)==seperator)

      {

        dotNumber++;//count how many dots

        indexOfLastDot=i;//keep the last dot postion

      }

    }//for

    //The string formatt is wrong, because it has more than two or less than

    //one seperator

    if ( dotNumber>2 || dotNumber < 1)

    {

      docId=null;

    }

    else if (dotNumber == 2) //the case for str1.str2.str3

    {

       docId=str.substring(0, indexOfLastDot);

    }

    else if (dotNumber == 1) //the case for str1.str2

    {

      docId=str;

    }

    return docId;  

  }//getDocIdFromString

  /** 

   * Utility method to get version number from a given string

   * @param string, the given string should be these two format:

   *              1) str1.str2(no version)  version =-1;

   *              2) str1.str2.str3, in this case version = str3;

   *              3) other, vresion =-2

   * @param the sperator char

   */

  public static int getVersionFromString(String str)

                                throws NumberFormatException

  {

    int version=-1;

    String versionString=null;

    int dotNumber = 0;//count how many dots in given string

    int indexOfLastDot = 0;

    //assume that seperator is one charactor string

    char seperator=getOption("accNumSeparator").charAt(0);

    for (int i=0; i<str.length(); i++)

    {

      if ( str.charAt(i)==seperator)

      {

        dotNumber++;//count how many dots

        indexOfLastDot=i;//keep the last dot postion

      }

    }//for

    //The string formatt is wrong, because it has more than two or less than

    //one seperator

    if ( dotNumber>2 || dotNumber < 1)

    {

      version=-2;

    }

    else if (dotNumber == 2) //the case for str1.str2.str3

    {

       versionString=str.substring((indexOfLastDot+1), str.length());

       version=Integer.parseInt(versionString);

    }

    else if (dotNumber == 1) //the case for str1.str2

    {

      version=-1;

    }

    return version;  

  }//getVersionFromString