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org.jopendocument.util.cc
Class ExnTransformer<E,T,X extends Exception>

java.lang.Object
 extended by org.jopendocument.util.cc.ExnTransformer<E,T,X>

Type Parameters:

E - input type

T - return type

X - exception type

All Implemented Interfaces:

org.apache.commons.collections.Transformer, ITransformerExn<E,T,X>

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public abstract class ExnTransformer<E,T,X extends Exception>
extends Object
implements org.apache.commons.collections.Transformer, ITransformerExn<E,T,X>

Transformer able to throw an exception.

Author:

Sylvain

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Constructor Summary
ExnTransformer()

Method Summary
Object	transform(Object input)
abstract T	transformChecked(E input)
<Y extends Exception,Z extends Exception,A extends Exception> T	transformCheckedWithExn(E input, boolean wrapRT, Class<Y> exnClass, Class<Z> exnClass2, Class<A> exnClass3) Execute this transformer, wrapping exceptions thrown by transformChecked(Object) into one of the passed exception classes.
<Y extends Exception> T	transformCheckedWithExn(E input, Class<Y> exnClass) Execute this transformer, making sure that an exception of type exnClass is thrown.

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

Constructor Detail

ExnTransformer

public ExnTransformer()

Method Detail

transform

public final Object transform(Object input)

Specified by:

transform in interface org.apache.commons.collections.Transformer

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transformCheckedWithExn

public final <Y extends Exception> T transformCheckedWithExn(E input,
 Class<Y> exnClass)
 throws Y extends Exception

Execute this transformer, making sure that an exception of type exnClass is thrown.

Type Parameters:

Y - type of exception to throw.

Parameters:

input - the input.

exnClass - class exception to throw.

Returns:

the result of this transformer.

Throws:

Y - if transformChecked(Object) throws an exception, it will be wrapped (if necessary) in an exception of class exnClass.

Y extends Exception

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transformCheckedWithExn

public final <Y extends Exception,Z extends Exception,A extends Exception> T transformCheckedWithExn(E input,
 boolean wrapRT,
 Class<Y> exnClass,
 Class<Z> exnClass2,
 Class<A> exnClass3)
 throws Y extends Exception,
 Z extends Exception,
 A extends Exception

Execute this transformer, wrapping exceptions thrown by transformChecked(Object) into one of the passed exception classes.

Type Parameters:

Y - type of exception to throw.

Z - second type of exception to throw.

A - third type of exception to throw.

Parameters:

input - the input.

wrapRT - true so that even RuntimeException are wrapped into Y, false if this method should throw them as they are.

exnClass - class exception to throw.

exnClass2 - class exception to throw, can be null.

exnClass3 - class exception to throw, can be null.

Returns:

the result of this transformer.

Throws:

Y - if transformChecked(Object) throws an exception, it will be wrapped (if necessary) in an exception of class exnClass.

Z - if transformChecked(Object) throws an exception of class Z.

A - if transformChecked(Object) throws an exception of class A.

Y extends Exception

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transformChecked

public abstract T transformChecked(E input)
 throws X extends Exception

Specified by:

transformChecked in interface ITransformerExn<E,T,X extends Exception>

Throws:

X extends Exception

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