org.springframework.boot.diagnostics

Class AbstractFailureAnalyzer<T extends Throwable>

java.lang.Object

org.springframework.boot.diagnostics.AbstractFailureAnalyzer<T>

Type Parameters:

T - the type of exception to analyze

All Implemented Interfaces:

FailureAnalyzer

Direct Known Subclasses:

AbstractInjectionFailureAnalyzer, BeanNotOfRequiredTypeFailureAnalyzer

public abstract class AbstractFailureAnalyzer<T extends Throwable>
extends Object
implements FailureAnalyzer

Abstract base class for most FailureAnalyzer implementations.

Since:

1.4.0

Author:

Andy Wilkinson, Phillip Webb

Constructor Summary

Constructors

Constructor and Description
AbstractFailureAnalyzer()

Method Summary

Modifier and Type	Method and Description
FailureAnalysis	analyze(Throwable failure) Returns an analysis of the given failure, or null if no analysis was possible.
protected abstract FailureAnalysis	analyze(Throwable rootFailure, T cause) Returns an analysis of the given rootFailure, or null if no analysis was possible.
protected <E extends Throwable> E	findCause(Throwable failure, Class<E> type)
protected Class<? extends T>	getCauseType() Return the cause type being handled by the analyzer.

Methods inherited from class java.lang.Object

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

Constructor Detail

AbstractFailureAnalyzer

public AbstractFailureAnalyzer()

Method Detail

analyze

public FailureAnalysis analyze(Throwable failure)

Description copied from interface: FailureAnalyzer

Returns an analysis of the given failure, or null if no analysis was possible.

Specified by:

analyze in interface FailureAnalyzer

Parameters:

failure - the failure

Returns:

the analysis or null

analyze

protected abstract FailureAnalysis analyze(Throwable rootFailure,
                                           T cause)

Returns an analysis of the given rootFailure, or null if no analysis was possible.

Parameters:

rootFailure - the root failure passed to the analyzer

cause - the actual found cause

Returns:

the analysis or null

getCauseType

protected Class<? extends T> getCauseType()

Return the cause type being handled by the analyzer. By default the class generic is used.

Returns:

the cause type

findCause

protected final <E extends Throwable> E findCause(Throwable failure,
                                                  Class<E> type)