gecko/build/annotationProcessors/classloader/AnnotatableEntity.java
Chris Kitching a5186518ff Bug 913985: Part 3 - Update the annotation processor to generate wrapper classes. r=kats
--HG--
rename : build/annotationProcessors/MethodWithAnnotationInfo.java => build/annotationProcessors/AnnotationInfo.java
rename : build/annotationProcessors/utils/AlphabeticMethodComparator.java => build/annotationProcessors/utils/AlphabeticAnnotatableEntityComparator.java
rename : build/annotationProcessors/utils/GeneratableEntryPointIterator.java => build/annotationProcessors/utils/GeneratableElementIterator.java
2013-11-21 20:41:28 +00:00

58 lines
1.9 KiB
Java

/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
package org.mozilla.gecko.annotationProcessors.classloader;
import org.mozilla.gecko.annotationProcessors.AnnotationInfo;
import java.lang.reflect.Constructor;
import java.lang.reflect.Field;
import java.lang.reflect.Member;
import java.lang.reflect.Method;
/**
* Union type to hold either a method, field, or ctor. Allows us to iterate "The generatable stuff", despite
* the fact that such things can be of either flavour.
*/
public class AnnotatableEntity {
public enum ENTITY_TYPE {METHOD, FIELD, CONSTRUCTOR}
private final Member mMember;
public final ENTITY_TYPE mEntityType;
public final AnnotationInfo mAnnotationInfo;
public AnnotatableEntity(Member aObject, AnnotationInfo aAnnotationInfo) {
mMember = aObject;
mAnnotationInfo = aAnnotationInfo;
if (aObject instanceof Method) {
mEntityType = ENTITY_TYPE.METHOD;
} else if (aObject instanceof Field) {
mEntityType = ENTITY_TYPE.FIELD;
} else {
mEntityType = ENTITY_TYPE.CONSTRUCTOR;
}
}
public Method getMethod() {
if (mEntityType != ENTITY_TYPE.METHOD) {
throw new UnsupportedOperationException("Attempt to cast to unsupported member type.");
}
return (Method) mMember;
}
public Field getField() {
if (mEntityType != ENTITY_TYPE.FIELD) {
throw new UnsupportedOperationException("Attempt to cast to unsupported member type.");
}
return (Field) mMember;
}
public Constructor getConstructor() {
if (mEntityType != ENTITY_TYPE.CONSTRUCTOR) {
throw new UnsupportedOperationException("Attempt to cast to unsupported member type.");
}
return (Constructor) mMember;
}
}