The Tor Browser / file diff

     1.1 --- /dev/null	Thu Jan 01 00:00:00 1970 +0000
     1.2 +++ b/build/annotationProcessors/classloader/AnnotatableEntity.java	Wed Dec 31 06:09:35 2014 +0100
     1.3 @@ -0,0 +1,57 @@
     1.4 +/* This Source Code Form is subject to the terms of the Mozilla Public
     1.5 + * License, v. 2.0. If a copy of the MPL was not distributed with this
     1.6 + * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
     1.7 +
     1.8 +package org.mozilla.gecko.annotationProcessors.classloader;
     1.9 +
    1.10 +import org.mozilla.gecko.annotationProcessors.AnnotationInfo;
    1.11 +
    1.12 +import java.lang.reflect.Constructor;
    1.13 +import java.lang.reflect.Field;
    1.14 +import java.lang.reflect.Member;
    1.15 +import java.lang.reflect.Method;
    1.16 +
    1.17 +/**
    1.18 + * Union type to hold either a method, field, or ctor. Allows us to iterate "The generatable stuff", despite
    1.19 + * the fact that such things can be of either flavour.
    1.20 + */
    1.21 +public class AnnotatableEntity {
    1.22 +    public enum ENTITY_TYPE {METHOD, FIELD, CONSTRUCTOR}
    1.23 +
    1.24 +    private final Member mMember;
    1.25 +    public final ENTITY_TYPE mEntityType;
    1.26 +
    1.27 +    public final AnnotationInfo mAnnotationInfo;
    1.28 +
    1.29 +    public AnnotatableEntity(Member aObject, AnnotationInfo aAnnotationInfo) {
    1.30 +        mMember = aObject;
    1.31 +        mAnnotationInfo = aAnnotationInfo;
    1.32 +
    1.33 +        if (aObject instanceof Method) {
    1.34 +            mEntityType = ENTITY_TYPE.METHOD;
    1.35 +        } else if (aObject instanceof Field) {
    1.36 +            mEntityType = ENTITY_TYPE.FIELD;
    1.37 +        } else {
    1.38 +            mEntityType = ENTITY_TYPE.CONSTRUCTOR;
    1.39 +        }
    1.40 +    }
    1.41 +
    1.42 +    public Method getMethod() {
    1.43 +        if (mEntityType != ENTITY_TYPE.METHOD) {
    1.44 +            throw new UnsupportedOperationException("Attempt to cast to unsupported member type.");
    1.45 +        }
    1.46 +        return (Method) mMember;
    1.47 +    }
    1.48 +    public Field getField() {
    1.49 +        if (mEntityType != ENTITY_TYPE.FIELD) {
    1.50 +            throw new UnsupportedOperationException("Attempt to cast to unsupported member type.");
    1.51 +        }
    1.52 +        return (Field) mMember;
    1.53 +    }
    1.54 +    public Constructor getConstructor() {
    1.55 +        if (mEntityType != ENTITY_TYPE.CONSTRUCTOR) {
    1.56 +            throw new UnsupportedOperationException("Attempt to cast to unsupported member type.");
    1.57 +        }
    1.58 +        return (Constructor) mMember;
    1.59 +    }
    1.60 +}