Package gov.usgs.util

Class StringUtils

  • public class StringUtils
extends java.lang.Object
    String parsing and utility functions.

    • Constructor Summary

      Constructors 
      Constructor Description
      StringUtils()  

    • Method Summary

      All Methods Static Methods Concrete Methods 
      Modifier and Type Method Description
      static java.lang.String encodeAsUtf8​(java.lang.String value)  
      static java.lang.Double getDouble​(java.lang.String value)
      No Exception Double parsing method.
      static java.lang.Float getFloat​(java.lang.String value)
      No Exception Float parsing method.
      static java.lang.Integer getInteger​(java.lang.String value)
      No Exception Integer parsing method.
      static java.lang.Long getLong​(java.lang.String value)
      No Exception Long parsing method.
      static java.lang.String join​(java.util.List<java.lang.Object> list, java.lang.String delimiter)
      Join objects in a list using the specified delimiter.
      static java.util.List<java.lang.String> split​(java.lang.String toSplit, java.lang.String delimiter)
      Split a string into a list of strings using the specified delimiter.

      • Methods inherited from class java.lang.Object

        clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

    • Constructor Detail

      • StringUtils

        public StringUtils()

    • Method Detail

      • encodeAsUtf8

        public static java.lang.String encodeAsUtf8​(java.lang.String value)
                                     throws java.io.UnsupportedEncodingException
        Parameters:
        value - value to encode
        Returns:
        Utf8 encoded string
        Throws:
        java.io.UnsupportedEncodingException - if character encoding is not supported

      • getDouble

        public static java.lang.Double getDouble​(java.lang.String value)
        No Exception Double parsing method.
        Parameters:
        value - string to get double from
        Returns:
        null on error, otherwise Double value.

      • getFloat

        public static java.lang.Float getFloat​(java.lang.String value)
        No Exception Float parsing method.
        Parameters:
        value - string to get float from
        Returns:
        null on error, otherwise Float value.

      • getInteger

        public static java.lang.Integer getInteger​(java.lang.String value)
        No Exception Integer parsing method.
        Parameters:
        value - string to get integer from
        Returns:
        null on error, otherwise Integer value.

      • getLong

        public static java.lang.Long getLong​(java.lang.String value)
        No Exception Long parsing method.
        Parameters:
        value - string to get long from
        Returns:
        null on error, otherwise Integer value.

      • join

        public static java.lang.String join​(java.util.List<java.lang.Object> list,
                                    java.lang.String delimiter)
        Join objects in a list using the specified delimiter. The objects toString method is used to get a string value.
        Parameters:
        delimiter - string to insert between list items.
        list - items to join.
        Returns:
        string containing delimiter delimited list items.

      • split

        public static java.util.List<java.lang.String> split​(java.lang.String toSplit,
                                                     java.lang.String delimiter)
        Split a string into a list of strings using the specified delimiter. The intrinsic String.split method is used and elements of the returned String array (if any) are added to a list.
        Parameters:
        toSplit - string to split.
        delimiter - string used to separate items in toSplit
        Returns:
        a list containing items.