Converts Unicode into something that can be embedded in a java properties file : Properties « Development Class « Java






  1. Java
  2. Development Class
  3. Properties

Converts Unicode into something that can be embedded in a java properties file

     
/*
    JSPWiki - a JSP-based WikiWiki clone.

    Licensed to the Apache Software Foundation (ASF) under one
    or more contributor license agreements.  See the NOTICE file
    distributed with this work for additional information
    regarding copyright ownership.  The ASF licenses this file
    to you under the Apache License, Version 2.0 (the
    "License"); you may not use this file except in compliance
    with the License.  You may obtain a copy of the License at

       http://www.apache.org/licenses/LICENSE-2.0

    Unless required by applicable law or agreed to in writing,
    software distributed under the License is distributed on an
    "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
    KIND, either express or implied.  See the License for the
    specific language governing permissions and limitations
    under the License.    
 */

import java.security.SecureRandom;
import java.util.Random;

public class StringUtils
{

  /**
   *  Converts a string from the Unicode representation into something that can be
   *  embedded in a java properties file.  All references outside the ASCII range
   *  are replaced with \\uXXXX.
   *
   *  @param s The string to convert
   *  @return the ASCII string
   */
  public static String native2Ascii(String s)
  {
      StringBuffer sb = new StringBuffer();
      for(int i = 0; i < s.length(); i++)
      {
          char aChar = s.charAt(i);
          if ((aChar < 0x0020) || (aChar > 0x007e))
          {
              sb.append('\\');
              sb.append('u');
              sb.append(toHex((aChar >> 12) & 0xF));
              sb.append(toHex((aChar >>  8) & 0xF));
              sb.append(toHex((aChar >>  4) & 0xF));
              sb.append(toHex( aChar        & 0xF));
          }
          else
          {
              sb.append(aChar);
          }
      }
      return sb.toString();
  }
  private static char toHex(int nibble)
  {
      final char[] hexDigit =
      {
          '0','1','2','3','4','5','6','7','8','9','A','B','C','D','E','F'
      };
      return hexDigit[nibble & 0xF];
  }


}








Related examples in the same category

1.Read a set of properties from the received input stream, strip off any excess white space that exists in those property values,
2.Copy a set of properties from one Property to another.
3.Sorts property list and print out each key=value pair prepended with specific indentation.
4.Sorts a property list and turns the sorted list into a string.
5.A utility class for replacing properties in strings.
6.Property Loader
7.Property access utility methods
8.Represents a persistent set of properties
9.Converts specified map to java.util.Properties
10.A java.util.Properties class that will check a file or URL for changes periodically
11.Encapsulates java.util.Properties to add java primitives and some other java classes
12.Load and save properties to files.
13.Adds new properties to an existing set of properties
14.Extracts a specific property key subset from the known properties
15.Observable Properties
16.Merge Properties Into Map
17.XML configuration management
18.JDOM based XML properties
19.XML Properties
20.Create Properties from String array
21.Task to overwrite Properties
22.Gets strong-type-value property from a standard Properties
23.The properties iterator iterates over a set of enumerated properties.
24.An utility class to ease up using property-file resource bundles.
25.Sorted Properties
26.A subclass of the java.util.Properties class that must be initialized from a file on disk
27.This class contains a collection of static utility methods for creating, retrieving, saving and loading properties.
28.Simplify routine job with properties
29.Property Manager