org.paninij.proc.util

Class TypeCollector

java.lang.Object

javax.lang.model.util.AbstractElementVisitor6<R,P>

javax.lang.model.util.SimpleElementVisitor6<R,P>

javax.lang.model.util.SimpleElementVisitor7<R,P>

javax.lang.model.util.SimpleElementVisitor8<java.lang.Void,java.util.Set<java.lang.String>>

org.paninij.proc.util.TypeCollector

All Implemented Interfaces:

javax.lang.model.element.ElementVisitor<java.lang.Void,java.util.Set<java.lang.String>>

public class TypeCollector
extends javax.lang.model.util.SimpleElementVisitor8<java.lang.Void,java.util.Set<java.lang.String>>

Use the type collector to gather a set of String representations of the fully qualified type names being used on the interface of the visited type. For example, given some Element elem,

   TypeCollector collector = new TypeCollector();
   Set<String> collectedTypes = new HashSet<String>();
   elem.accept(collector, collectedTypes);
 

One can use TypeCollector.collect(Element e) as a convenience method for doing this.

Note that visit(TypeMirror t) should not be called; always use visit(TypeMirror, Set<String>) instead. Doing otherwise will likely result in a NullPointerException being thrown.

Field Summary

Fields inherited from class javax.lang.model.util.SimpleElementVisitor6

DEFAULT_VALUE

Constructor Summary

Constructors

Constructor and Description
TypeCollector()

Method Summary

Modifier and Type	Method and Description
static java.util.Set<java.lang.String>	collect(javax.lang.model.element.Element e)
java.lang.Void	visitExecutable(javax.lang.model.element.ExecutableElement e, java.util.Set<java.lang.String> p)
java.lang.Void	visitType(javax.lang.model.element.TypeElement e, java.util.Set<java.lang.String> p)
java.lang.Void	visitVariable(javax.lang.model.element.VariableElement e, java.util.Set<java.lang.String> p)

Methods inherited from class javax.lang.model.util.SimpleElementVisitor6

defaultAction, visitPackage, visitTypeParameter

Methods inherited from class javax.lang.model.util.AbstractElementVisitor6

visit, visit, visitUnknown

Methods inherited from class java.lang.Object

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

Constructor Detail

TypeCollector

public TypeCollector()

Method Detail

collect

public static java.util.Set<java.lang.String> collect(javax.lang.model.element.Element e)

visitExecutable

public java.lang.Void visitExecutable(javax.lang.model.element.ExecutableElement e,
                                      java.util.Set<java.lang.String> p)

Specified by:

visitExecutable in interface javax.lang.model.element.ElementVisitor<java.lang.Void,java.util.Set<java.lang.String>>

Overrides:

visitExecutable in class javax.lang.model.util.SimpleElementVisitor6<java.lang.Void,java.util.Set<java.lang.String>>

visitType

public java.lang.Void visitType(javax.lang.model.element.TypeElement e,
                                java.util.Set<java.lang.String> p)

Specified by:

visitType in interface javax.lang.model.element.ElementVisitor<java.lang.Void,java.util.Set<java.lang.String>>

Overrides:

visitType in class javax.lang.model.util.SimpleElementVisitor6<java.lang.Void,java.util.Set<java.lang.String>>

visitVariable

public java.lang.Void visitVariable(javax.lang.model.element.VariableElement e,
                                    java.util.Set<java.lang.String> p)

Specified by:

visitVariable in interface javax.lang.model.element.ElementVisitor<java.lang.Void,java.util.Set<java.lang.String>>

Overrides:

visitVariable in class javax.lang.model.util.SimpleElementVisitor7<java.lang.Void,java.util.Set<java.lang.String>>