Fallback.From (cactoos 0.55.0 API)

java.lang.Object
- org.cactoos.Fallback.From<T>

Type Parameters:

T - Type of result

All Implemented Interfaces:

Fallback<T>, Func<Throwable,T>

Enclosing interface:

Fallback<X>
```
public static final class Fallback.From<T>
extends Object
implements Fallback<T>
```
Fallback from exception.
There is no thread-safety guarantee.

Since:

1.0

Nested Class Summary
- Nested classes/interfaces inherited from interface org.cactoos.Fallback
  Fallback.From<T>, Fallback.None<X>

Constructor Summary

Constructors
Constructor	Description
`From(Class<? extends Throwable> exp, Func<Throwable,T> func)`	Ctor.
`From(Iterable<Class<? extends Throwable>> exps, Func<Throwable,T> func)`	Ctor.

Method Summary

All Methods Instance Methods Concrete Methods
Modifier and Type	Method	Description
`T`	`apply(Throwable exp)`	Apply it.
`int`	`support(Throwable exception)`	Calculate level of support of the given exception type.

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

- Constructor Detail
  - From
```
public From(Class<? extends Throwable> exp,
            Func<Throwable,T> func)
```
    Ctor.
    
    Parameters:
    
    exp - Supported exception type
    
    func - Function that converts the given exception into required one
  - From
```
public From(Iterable<Class<? extends Throwable>> exps,
            Func<Throwable,T> func)
```
    Ctor.
    
    Parameters:
    
    exps - Supported exceptions types
    
    func - Function that converts the given exception into required one
- Method Detail
  - apply
```
public T apply(Throwable exp)
        throws Exception
```
    Description copied from interface: Func
    
    Apply it.
    
    Specified by:
    
    apply in interface Func<Throwable,T>
    
    Parameters:
    
    exp - The argument
    
    Returns:
    
    The result
    
    Throws:
    
    Exception - If fails
  - support
```
public int support(Throwable exception)
```
    Description copied from interface: Fallback
    
    Calculate level of support of the given exception type.
    
    Specified by:
    
    support in interface Fallback<T>
    
    Parameters:
    
    exception - Exception
    
    Returns:
    
    Level of support: greater or equals to 0 if the target is supported and Integer.MIN_VALUE otherwise