001 /*
002 * Copyright 2010-2015 JetBrains s.r.o.
003 *
004 * Licensed under the Apache License, Version 2.0 (the "License");
005 * you may not use this file except in compliance with the License.
006 * You may obtain a copy of the License at
007 *
008 * http://www.apache.org/licenses/LICENSE-2.0
009 *
010 * Unless required by applicable law or agreed to in writing, software
011 * distributed under the License is distributed on an "AS IS" BASIS,
012 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
013 * See the License for the specific language governing permissions and
014 * limitations under the License.
015 */
016
017 package org.jetbrains.kotlin.resolve.jvm;
018
019 import kotlin.jvm.functions.Function2;
020 import org.jetbrains.annotations.NotNull;
021 import org.jetbrains.annotations.Nullable;
022 import org.jetbrains.kotlin.load.kotlin.TypeMappingConfiguration;
023 import org.jetbrains.kotlin.name.ClassId;
024 import org.jetbrains.kotlin.name.FqName;
025
026 import java.util.regex.Pattern;
027
028 public class JvmClassName {
029 @NotNull
030 public static JvmClassName byInternalName(@NotNull String internalName) {
031 return new JvmClassName(internalName);
032 }
033
034 @NotNull
035 public static JvmClassName byClassId(@NotNull ClassId classId) {
036 return byClassId(classId, null);
037 }
038
039 @NotNull
040 public static JvmClassName byClassId(@NotNull ClassId classId, @Nullable TypeMappingConfiguration<?> typeMappingConfiguration) {
041 FqName packageFqName = classId.getPackageFqName();
042
043 String[] relativeClassNameSegments = classId.getRelativeClassName().asString().split(Pattern.quote("."));
044 String relativeClassName;
045
046 if (relativeClassNameSegments.length == 1) {
047 relativeClassName = relativeClassNameSegments[0];
048 }
049 else if (relativeClassNameSegments.length > 1 && typeMappingConfiguration != null) {
050 Function2<String, String, String> innerClassNameFactory = typeMappingConfiguration.getInnerClassNameFactory();
051 relativeClassName = innerClassNameFactory.invoke(relativeClassNameSegments[0], relativeClassNameSegments[1]);
052 for (int i = 2; i < relativeClassNameSegments.length; ++i) {
053 relativeClassName = innerClassNameFactory.invoke(relativeClassName, relativeClassNameSegments[i]);
054 }
055 }
056 else {
057 // Default behavior if we don't have an inner class name factory
058 relativeClassName = classId.getRelativeClassName().asString().replace('.', '$');
059 }
060
061 return packageFqName.isRoot()
062 ? new JvmClassName(relativeClassName)
063 : new JvmClassName(packageFqName.asString().replace('.', '/') + "/" + relativeClassName);
064 }
065
066 /**
067 * WARNING: fq name cannot be uniquely mapped to JVM class name.
068 */
069 @NotNull
070 public static JvmClassName byFqNameWithoutInnerClasses(@NotNull FqName fqName) {
071 JvmClassName r = new JvmClassName(fqName.asString().replace('.', '/'));
072 r.fqName = fqName;
073 return r;
074 }
075
076 @NotNull
077 public static JvmClassName byFqNameWithoutInnerClasses(@NotNull String fqName) {
078 return byFqNameWithoutInnerClasses(new FqName(fqName));
079 }
080
081 // Internal name: kotlin/Map$Entry
082 // FqName: kotlin.Map.Entry
083
084 private final String internalName;
085 private FqName fqName;
086
087 private JvmClassName(@NotNull String internalName) {
088 this.internalName = internalName;
089 }
090
091 /**
092 * WARNING: internal name cannot be converted to FQ name for a class which contains dollars in the name
093 */
094 @NotNull
095 public FqName getFqNameForClassNameWithoutDollars() {
096 if (fqName == null) {
097 this.fqName = new FqName(internalName.replace('$', '.').replace('/', '.'));
098 }
099 return fqName;
100 }
101
102 @NotNull
103 public FqName getPackageFqName() {
104 int lastSlash = internalName.lastIndexOf("/");
105 if (lastSlash == -1) return FqName.ROOT;
106 return new FqName(internalName.substring(0, lastSlash).replace('/', '.'));
107 }
108
109 @NotNull
110 public String getInternalName() {
111 return internalName;
112 }
113
114 @Override
115 public String toString() {
116 return internalName;
117 }
118
119 @Override
120 public boolean equals(Object o) {
121 if (this == o) return true;
122 if (o == null || getClass() != o.getClass()) return false;
123 return internalName.equals(((JvmClassName) o).internalName);
124 }
125
126 @Override
127 public int hashCode() {
128 return internalName.hashCode();
129 }
130 }