org.jetbrains.kotlin.asJava.OldPackageFacadeClassUtils Maven / Gradle / Ivy
/*
* Copyright 2010-2016 JetBrains s.r.o.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.jetbrains.kotlin.asJava;
import org.jetbrains.annotations.NotNull;
import org.jetbrains.kotlin.name.ClassId;
import org.jetbrains.kotlin.name.FqName;
import org.jetbrains.kotlin.name.Name;
public final class OldPackageFacadeClassUtils {
private static final String PACKAGE_CLASS_NAME_SUFFIX = "Package";
private static final String DEFAULT_PACKAGE_CLASS_NAME = "_Default" + PACKAGE_CLASS_NAME_SUFFIX;
private OldPackageFacadeClassUtils() {
}
// ex. -> _DefaultPackage, a -> APackage, a.b -> BPackage
@NotNull
public static String getPackageClassName(@NotNull FqName packageFQN) {
if (packageFQN.isRoot()) {
return DEFAULT_PACKAGE_CLASS_NAME;
}
return capitalizeNonEmptyString(packageFQN.shortName().asString()) + PACKAGE_CLASS_NAME_SUFFIX;
}
@NotNull
private static String capitalizeNonEmptyString(@NotNull String s) {
return Character.isUpperCase(s.charAt(0)) ? s : Character.toUpperCase(s.charAt(0)) + s.substring(1);
}
@NotNull
public static FqName getPackageClassFqName(@NotNull FqName packageFQN) {
return packageFQN.child(Name.identifier(getPackageClassName(packageFQN)));
}
@NotNull
public static ClassId getPackageClassId(@NotNull FqName packageFQN) {
return new ClassId(packageFQN, Name.identifier(getPackageClassName(packageFQN)));
}
}