Sorts property list and print out each key=value pair prepended with specific indentation. : Properties « Development Class « Java

Java
1. 2D Graphics GUI
2. 3D
3. Advanced Graphics
4. Ant
5. Apache Common
6. Chart
7. Class
8. Collections Data Structure
9. Data Type
10. Database SQL JDBC
11. Design Pattern
12. Development Class
13. EJB3
14. Email
15. Event
16. File Input Output
17. Game
18. Generics
19. GWT
20. Hibernate
21. I18N
22. J2EE
23. J2ME
24. JDK 6
25. JNDI LDAP
26. JPA
27. JSP
28. JSTL
29. Language Basics
30. Network Protocol
31. PDF RTF
32. Reflection
33. Regular Expressions
34. Scripting
35. Security
36. Servlets
37. Spring
38. Swing Components
39. Swing JFC
40. SWT JFace Eclipse
41. Threads
42. Tiny Application
43. Velocity
44. Web Services SOA
45. XML
Java Tutorial
Java Source Code / Java Documentation
Java Open Source
Jar File Download
Java Articles
Java Products
Java by API
Photoshop Tutorials
Maya Tutorials
Flash Tutorials
3ds-Max Tutorials
Illustrator Tutorials
GIMP Tutorials
C# / C Sharp
C# / CSharp Tutorial
C# / CSharp Open Source
ASP.Net
ASP.NET Tutorial
JavaScript DHTML
JavaScript Tutorial
JavaScript Reference
HTML / CSS
HTML CSS Reference
C / ANSI-C
C Tutorial
C++
C++ Tutorial
Ruby
PHP
Python
Python Tutorial
Python Open Source
SQL Server / T-SQL
SQL Server / T-SQL Tutorial
Oracle PL / SQL
Oracle PL/SQL Tutorial
PostgreSQL
SQL / MySQL
MySQL Tutorial
VB.Net
VB.Net Tutorial
Flash / Flex / ActionScript
VBA / Excel / Access / Word
XML
XML Tutorial
Microsoft Office PowerPoint 2007 Tutorial
Microsoft Office Excel 2007 Tutorial
Microsoft Office Word 2007 Tutorial
Java » Development Class » PropertiesScreenshots 
Sorts property list and print out each key=value pair prepended with specific indentation.
     
import java.io.IOException;
import java.io.InputStream;
import java.util.Enumeration;
import java.util.Properties;

/*

   Derby - Class org.apache.derby.iapi.util.PropertyUtil

   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.

 */



public class Main {


  /**
   * Sorts property list and print out each key=value pair prepended with 
   * specific indentation.  If indent is null, do not prepend with
   * indentation. 
   *
   * The output string shows up in two styles, style 1 looks like
   * { key1=value1, key2=value2, key3=value3 }
   *
   * style 2 looks like
   *    key1=value1
   *    key2=value2
   *    key3=value3
   * where indent goes between the new line and the keys
   *
   * To get style 1, pass in a null indent
   * To get sytle 2, pass in non-null indent (whatever you want to go before
   * the key value)
   */
  public  static  String  sortPropertiesProperties list, String indent )
  {
    int       size = list == null : list.size();
    int       count = 0;
    String[]    array = new String[size];
    String      key;
    String      value;
    StringBuffer  buffer;

    // Calculate the number of properties in the property list and
    // build an array of all the property names.
    // We need to go thru the enumeration because Properties has a
    // recursive list of defaults.
    if (list != null)
    {
      for (Enumeration propertyNames = list.propertyNames();
         propertyNames.hasMoreElements())
      {
        if (count == size)
        {
          // need to expand the array
          size = size*2;
          String[] expandedArray = new String[size];
          System.arraycopy(array, 0, expandedArray, 0, count);
          array = expandedArray;
        }
        key = (StringpropertyNames.nextElement();
        arraycount++ = key;
      }

      // now sort the array
      java.util.Arrays.sort(array, 0, count);
    }

    // now stringify the array
    buffer = new StringBuffer();
    if (indent == null)
      buffer.append"{ " );

    for int ictr = 0; ictr < count; ictr++ )
    {
      if ictr > && indent == null)
        buffer.append", " );

      key = arrayictr ];

      if (indent != null)
        buffer.appendindent );

      buffer.appendkey ); buffer.append"=" );

      value = list.getPropertykey, "MISSING_VALUE" );
      buffer.appendvalue );

      if (indent != null)
        buffer.append"\n" );

    }
    if (indent == null)
      buffer.append" }" );

    return  buffer.toString();
  }

}

   
    
    
    
    
  
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 a property list and turns the sorted list into a string.
4. A utility class for replacing properties in strings.
5. Property Loader
6. Property access utility methods
7. Represents a persistent set of properties
8. Converts specified map to java.util.Properties
9. A java.util.Properties class that will check a file or URL for changes periodically
10. Encapsulates java.util.Properties to add java primitives and some other java classes
11. Load and save properties to files.
12. Adds new properties to an existing set of properties
13. Extracts a specific property key subset from the known properties
14. Observable Properties
15. Merge Properties Into Map
16. XML configuration management
17. JDOM based XML properties
18. XML Properties
19. Converts Unicode into something that can be embedded in a java properties file
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.
www.java2java.com | Contact Us
Copyright 2009 - 12 Demo Source and Support. All rights reserved.
All other trademarks are property of their respective owners.