Pack200

java.lang.Object
- kala.compress.java.util.jar.Pack200

public abstract class Pack200
extends java.lang.Object

Class factory for Pack200.Packer and Pack200.Unpacker.

Nested Class Summary

Nested Classes
Modifier and Type	Class	Description
`static interface`	`Pack200.Packer`	The interface defining the API for converting a JAR file to an output stream in the Pack200 format.
`static interface`	`Pack200.Unpacker`	The interface defining the API for converting a packed stream in the Pack200 format to a JAR file.

Field Summary

Fields
Modifier and Type	Field	Description
`private static java.lang.String`	`SYSTEM_PROPERTY_PACKER`	System property key.
`private static java.lang.String`	`SYSTEM_PROPERTY_UNPACKER`	System property key.

Constructor Summary

Constructors
Modifier Constructor Description

private Pack200()
Prevents this class from being instantiated.

Method Summary

All Methods Static Methods Concrete Methods
Modifier and Type	Method	Description
`(package private) static java.lang.Object`	`newInstance(java.lang.String systemProperty, java.lang.String defaultClassName)`
`static Pack200.Packer`	`newPacker()`	Returns a new instance of a packer engine.
`static Pack200.Unpacker`	`newUnpacker()`	Returns a new instance of an unpacker engine.

Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

- Field Detail
  - SYSTEM_PROPERTY_PACKER
```
private static final java.lang.String SYSTEM_PROPERTY_PACKER
```
    System property key.
    
    See Also:
    
    Constant Field Values
  - SYSTEM_PROPERTY_UNPACKER
```
private static final java.lang.String SYSTEM_PROPERTY_UNPACKER
```
    System property key.
    
    See Also:
    
    Constant Field Values
- Constructor Detail
  - Pack200
```
private Pack200()
```
    Prevents this class from being instantiated.
- Method Detail
  - newInstance
```
static java.lang.Object newInstance(java.lang.String systemProperty,
                                    java.lang.String defaultClassName)
```
  - newPacker
```
public static Pack200.Packer newPacker()
```
    Returns a new instance of a packer engine.
    The implementation of the packer engine is defined by the system property 'java.util.jar.Pack200.Packer'. If this system property is defined an instance of the specified class is returned, otherwise the system's default implementation is returned.
    
    Returns:
    
    an instance of Packer
  - newUnpacker
```
public static Pack200.Unpacker newUnpacker()
```
    Returns a new instance of an unpacker engine.
    The implementation of the unpacker engine is defined by the system property Pack200.Unpacker. If this system property is defined an instance of the specified class is returned, otherwise the system's default implementation is returned.
    
    Returns:
    
    an instance of Pack200.Unpacker.