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comparison: build/annotationProcessors/utils/AlphabeticAnnotatableEntityComparator.java
build/annotationProcessors/utils/AlphabeticAnnotatableEntityComparator.java
- branch
- TOR_BUG_9701
- changeset 15
- b8a032363ba2
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| -1:000000000000 | 0:f00fd0700567 |
|---|---|
| 1 /* This Source Code Form is subject to the terms of the Mozilla Public | |
| 2 * License, v. 2.0. If a copy of the MPL was not distributed with this | |
| 3 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ | |
| 4 | |
| 5 package org.mozilla.gecko.annotationProcessors.utils; | |
| 6 | |
| 7 import java.lang.reflect.Constructor; | |
| 8 import java.lang.reflect.Field; | |
| 9 import java.lang.reflect.Member; | |
| 10 import java.lang.reflect.Method; | |
| 11 import java.util.Comparator; | |
| 12 | |
| 13 public class AlphabeticAnnotatableEntityComparator<T extends Member> implements Comparator<T> { | |
| 14 @Override | |
| 15 public int compare(T aLhs, T aRhs) { | |
| 16 // Constructors, Methods, Fields. | |
| 17 boolean lIsConstructor = aLhs instanceof Constructor; | |
| 18 boolean rIsConstructor = aRhs instanceof Constructor; | |
| 19 boolean lIsMethod = aLhs instanceof Method; | |
| 20 boolean rIsField = aRhs instanceof Field; | |
| 21 | |
| 22 if (lIsConstructor) { | |
| 23 if (!rIsConstructor) { | |
| 24 return -1; | |
| 25 } | |
| 26 } else if (lIsMethod) { | |
| 27 if (rIsConstructor) { | |
| 28 return 1; | |
| 29 } else if (rIsField) { | |
| 30 return -1; | |
| 31 } | |
| 32 } else { | |
| 33 if (!rIsField) { | |
| 34 return 1; | |
| 35 } | |
| 36 } | |
| 37 | |
| 38 // Verify these objects are the same type and cast them. | |
| 39 if (aLhs instanceof Method) { | |
| 40 return compare((Method) aLhs, (Method) aRhs); | |
| 41 } else if (aLhs instanceof Field) { | |
| 42 return compare((Field) aLhs, (Field) aRhs); | |
| 43 } else { | |
| 44 return compare((Constructor) aLhs, (Constructor) aRhs); | |
| 45 } | |
| 46 } | |
| 47 | |
| 48 // Alas, the type system fails us. | |
| 49 private static int compare(Method aLhs, Method aRhs) { | |
| 50 // Initially, attempt to differentiate the methods be name alone.. | |
| 51 String lName = aLhs.getName(); | |
| 52 String rName = aRhs.getName(); | |
| 53 | |
| 54 int ret = lName.compareTo(rName); | |
| 55 if (ret != 0) { | |
| 56 return ret; | |
| 57 } | |
| 58 | |
| 59 // The names were the same, so we need to compare signatures to find their uniqueness.. | |
| 60 lName = Utils.getTypeSignatureStringForMethod(aLhs); | |
| 61 rName = Utils.getTypeSignatureStringForMethod(aRhs); | |
| 62 | |
| 63 return lName.compareTo(rName); | |
| 64 } | |
| 65 | |
| 66 private static int compare(Constructor aLhs, Constructor aRhs) { | |
| 67 // The names will be the same, so we need to compare signatures to find their uniqueness.. | |
| 68 String lName = Utils.getTypeSignatureString(aLhs); | |
| 69 String rName = Utils.getTypeSignatureString(aRhs); | |
| 70 | |
| 71 return lName.compareTo(rName); | |
| 72 } | |
| 73 | |
| 74 private static int compare(Field aLhs, Field aRhs) { | |
| 75 // Compare field names.. | |
| 76 String lName = aLhs.getName(); | |
| 77 String rName = aRhs.getName(); | |
| 78 | |
| 79 return lName.compareTo(rName); | |
| 80 } | |
| 81 } |
