Package org.apache.juneau.objecttools

Class ObjectSorter

java.lang.Object

org.apache.juneau.objecttools.ObjectSorter

All Implemented Interfaces:

ObjectTool<SortArgs>

public class ObjectSorter
extends Object
implements ObjectTool<SortArgs>

POJO model sorter.

This class is designed to sort arrays and collections of maps or beans.

Example:

MyBean[] arrayOfBeans = ...; ObjectSorter sorter = ObjectSorter.create(); // Returns a list of beans sorted accordingly. List<MyBean> result = sorter.run(arrayOfBeans, "foo,bar-");

The tool can be used against the following data types:

• Arrays/collections of maps or beans.

The arguments are a simple comma-delimited list of property names optionally suffixed with '+' and '-' to denote ascending/descending order.

See Also:

• Object Tools

Field Summary

Fields

Modifier and Type	Field	Description
static final ObjectSorter	DEFAULT	Default reusable searcher.

Constructor Summary

Constructors

Constructor	Description
ObjectSorter()

Method Summary

Modifier and Type	Method	Description
static ObjectSorter	create()	Static creator.
<R> List<R>	run(Object input, String sortArgs)	Convenience method for executing the sorter.
Object	run(BeanSession session, Object input, SortArgs args)	Converts the specified input to some other output.

Methods inherited from class java.lang.Object

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

Field Details

DEFAULT

public static final ObjectSorter DEFAULT

Default reusable searcher.

Constructor Details

ObjectSorter

public ObjectSorter()

Method Details

create

public static ObjectSorter create()

Static creator.

Returns:

A new ObjectSorter object.

run

public Object run(BeanSession session,
 Object input,
 SortArgs args)

Description copied from interface: ObjectTool

Converts the specified input to some other output.

Specified by:

run in interface ObjectTool<SortArgs>

Parameters:

session - The current bean session.

input - The input POJO.

args - The arguments.

Returns:

The output POJO.

run

public <R> List<R> run(Object input,
 String sortArgs)

Convenience method for executing the sorter.

Type Parameters:

R - The return type.

Parameters:

input - The input.

sortArgs - The sort arguments. See SortArgs for format.

Returns:

A list of maps/beans matching the