1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000 1.2 +++ b/build/annotationProcessors/utils/AlphabeticAnnotatableEntityComparator.java Wed Dec 31 06:09:35 2014 +0100 1.3 @@ -0,0 +1,81 @@ 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.utils; 1.9 + 1.10 +import java.lang.reflect.Constructor; 1.11 +import java.lang.reflect.Field; 1.12 +import java.lang.reflect.Member; 1.13 +import java.lang.reflect.Method; 1.14 +import java.util.Comparator; 1.15 + 1.16 +public class AlphabeticAnnotatableEntityComparator<T extends Member> implements Comparator<T> { 1.17 + @Override 1.18 + public int compare(T aLhs, T aRhs) { 1.19 + // Constructors, Methods, Fields. 1.20 + boolean lIsConstructor = aLhs instanceof Constructor; 1.21 + boolean rIsConstructor = aRhs instanceof Constructor; 1.22 + boolean lIsMethod = aLhs instanceof Method; 1.23 + boolean rIsField = aRhs instanceof Field; 1.24 + 1.25 + if (lIsConstructor) { 1.26 + if (!rIsConstructor) { 1.27 + return -1; 1.28 + } 1.29 + } else if (lIsMethod) { 1.30 + if (rIsConstructor) { 1.31 + return 1; 1.32 + } else if (rIsField) { 1.33 + return -1; 1.34 + } 1.35 + } else { 1.36 + if (!rIsField) { 1.37 + return 1; 1.38 + } 1.39 + } 1.40 + 1.41 + // Verify these objects are the same type and cast them. 1.42 + if (aLhs instanceof Method) { 1.43 + return compare((Method) aLhs, (Method) aRhs); 1.44 + } else if (aLhs instanceof Field) { 1.45 + return compare((Field) aLhs, (Field) aRhs); 1.46 + } else { 1.47 + return compare((Constructor) aLhs, (Constructor) aRhs); 1.48 + } 1.49 + } 1.50 + 1.51 + // Alas, the type system fails us. 1.52 + private static int compare(Method aLhs, Method aRhs) { 1.53 + // Initially, attempt to differentiate the methods be name alone.. 1.54 + String lName = aLhs.getName(); 1.55 + String rName = aRhs.getName(); 1.56 + 1.57 + int ret = lName.compareTo(rName); 1.58 + if (ret != 0) { 1.59 + return ret; 1.60 + } 1.61 + 1.62 + // The names were the same, so we need to compare signatures to find their uniqueness.. 1.63 + lName = Utils.getTypeSignatureStringForMethod(aLhs); 1.64 + rName = Utils.getTypeSignatureStringForMethod(aRhs); 1.65 + 1.66 + return lName.compareTo(rName); 1.67 + } 1.68 + 1.69 + private static int compare(Constructor aLhs, Constructor aRhs) { 1.70 + // The names will be the same, so we need to compare signatures to find their uniqueness.. 1.71 + String lName = Utils.getTypeSignatureString(aLhs); 1.72 + String rName = Utils.getTypeSignatureString(aRhs); 1.73 + 1.74 + return lName.compareTo(rName); 1.75 + } 1.76 + 1.77 + private static int compare(Field aLhs, Field aRhs) { 1.78 + // Compare field names.. 1.79 + String lName = aLhs.getName(); 1.80 + String rName = aRhs.getName(); 1.81 + 1.82 + return lName.compareTo(rName); 1.83 + } 1.84 +}