Top Description Fields Constructors Methods
tools.jackson.module.afterburner.util.bytebuddy

public Class SimpleExceptionHandler

extends Object
implements Implementation, ByteCodeAppender
Class Inheritance
All Implemented Interfaces
net.bytebuddy.implementation.bytecode.ByteCodeAppender, net.bytebuddy.implementation.Implementation, net.bytebuddy.dynamic.scaffold.InstrumentedType.Prepareable
Imports
net.bytebuddy.description.method.MethodDescription, net.bytebuddy.dynamic.scaffold.InstrumentedType, net.bytebuddy.implementation.Implementation, net.bytebuddy.implementation.bytecode.ByteCodeAppender, .StackManipulation, net.bytebuddy.jar.asm.Label, .MethodVisitor

Provides a simple abstraction for implementing
try {
  //code
} catch(SomeException e) {
  //code
}

exceptionThrowingAppender MUST end with a return statement Due to way the JVM handles exceptions, when exceptionHandlerAppender is run, the exception can be found on the top of the stack

Field Summary

Modifier and TypeField and Description
private final StackManipulation
private final StackManipulation
private final Class<? extends Exception>
private final int

Constructor Summary

AccessConstructor and Description
public
SimpleExceptionHandler(StackManipulation exceptionThrowingAppender, StackManipulation exceptionHandlerAppender, Class<? extends Exception> exceptionType, int newLocalVariablesCount)

Method Summary

Modifier and TypeMethod and Description
public ByteCodeAppender
appender(Implementation.Target implementationTarget)

Implements net.bytebuddy.implementation.Implementation.appender.

Creates a byte code appender that determines the implementation of the instrumented type's methods.

public ByteCodeAppender.Size
apply(MethodVisitor methodVisitor, Implementation.Context implementationContext, MethodDescription instrumentedMethod)

Implements net.bytebuddy.implementation.bytecode.ByteCodeAppender.apply.

Applies this byte code appender to a type creation process.

public boolean
equals(Object o)

Overrides java.lang.Object.equals.

Indicates whether some other object is "equal to" this one.

public int
hashCode()

Overrides java.lang.Object.hashCode.

Returns a hash code value for this object.

private StackManipulation
postTrigger(final Label endTryBlock, final Label startCatchBlock)

public InstrumentedType
prepare(InstrumentedType instrumentedType)

Implements net.bytebuddy.dynamic.scaffold.InstrumentedType.Prepareable.prepare.

Prepares a given instrumented type.

private StackManipulation
preTrigger(final Label startTryBlock, final Label endTryBlock, final Label startCatchBlock)

Inherited from java.lang.Object:
clonefinalizegetClassnotifynotifyAlltoStringwaitwaitwait

Field Detail

exceptionHandlerAppenderback to summary
private final StackManipulation exceptionHandlerAppender
exceptionThrowingAppenderback to summary
private final StackManipulation exceptionThrowingAppender
exceptionTypeback to summary
private final Class<? extends Exception> exceptionType
newLocalVariablesCountback to summary
private final int newLocalVariablesCount

Constructor Detail

SimpleExceptionHandlerback to summary
public SimpleExceptionHandler(StackManipulation exceptionThrowingAppender, StackManipulation exceptionHandlerAppender, Class<? extends Exception> exceptionType, int newLocalVariablesCount)

Method Detail

appenderback to summary
public ByteCodeAppender appender(Implementation.Target implementationTarget)

Implements net.bytebuddy.implementation.Implementation.appender.

Doc from net.bytebuddy.implementation.Implementation.appender.

Creates a byte code appender that determines the implementation of the instrumented type's methods.

Annotations
@Override
applyback to summary
public ByteCodeAppender.Size apply(MethodVisitor methodVisitor, Implementation.Context implementationContext, MethodDescription instrumentedMethod)

Implements net.bytebuddy.implementation.bytecode.ByteCodeAppender.apply.

Doc from net.bytebuddy.implementation.bytecode.ByteCodeAppender.apply.

Applies this byte code appender to a type creation process.

Annotations
@Override
equalsback to summary
public boolean equals(Object o)

Overrides java.lang.Object.equals.

Doc from java.lang.Object.equals.

Indicates whether some other object is "equal to" this one.

The equals method implements an equivalence relation on non-null object references:

  • It is reflexive: for any non-null reference value x, x.equals(x) should return true.
  • It is symmetric: for any non-null reference values x and y, x.equals(y) should return true if and only if y.equals(x) returns true.
  • It is transitive: for any non-null reference values x, y, and z, if x.equals(y) returns true and y.equals(z) returns true, then x.equals(z) should return true.
  • It is consistent: for any non-null reference values x and y, multiple invocations of x.equals(y) consistently return true or consistently return false, provided no information used in equals comparisons on the objects is modified.
  • For any non-null reference value x, x.equals(null) should return false.

An equivalence relation partitions the elements it operates on into equivalence classes; all the members of an equivalence class are equal to each other. Members of an equivalence class are substitutable for each other, at least for some purposes.

Annotations
@Override
hashCodeback to summary
public int hashCode()

Overrides java.lang.Object.hashCode.

Doc from java.lang.Object.hashCode.

Returns a hash code value for this object. This method is supported for the benefit of hash tables such as those provided by java.util.HashMap.

The general contract of hashCode is:

  • Whenever it is invoked on the same object more than once during an execution of a Java application, the hashCode method must consistently return the same integer, provided no information used in equals comparisons on the object is modified. This integer need not remain consistent from one execution of an application to another execution of the same application.
  • If two objects are equal according to the equals method, then calling the hashCode method on each of the two objects must produce the same integer result.
  • It is not required that if two objects are unequal according to the equals method, then calling the hashCode method on each of the two objects must produce distinct integer results. However, the programmer should be aware that producing distinct integer results for unequal objects may improve the performance of hash tables.
Annotations
@Override
postTriggerback to summary
private StackManipulation postTrigger(final Label endTryBlock, final Label startCatchBlock)
prepareback to summary
public InstrumentedType prepare(InstrumentedType instrumentedType)

Implements net.bytebuddy.dynamic.scaffold.InstrumentedType.Prepareable.prepare.

Doc from net.bytebuddy.dynamic.scaffold.InstrumentedType.Prepareable.prepare.

Prepares a given instrumented type.

Annotations
@Override
preTriggerback to summary
private StackManipulation preTrigger(final Label startTryBlock, final Label endTryBlock, final Label startCatchBlock)