com.netflix.rewrite.refactor.op.ChangeMethodTargetToStatic.kt Maven / Gradle / Ivy

/**
 * Copyright 2016 Netflix, Inc.
 *
 * 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 com.netflix.rewrite.refactor.op

import com.netflix.rewrite.ast.*
import com.netflix.rewrite.refactor.RefactorVisitor

class ChangeMethodTargetToStatic(val clazz: String,
                                 override val ruleName: String = "change-method-target"): RefactorVisitor() {

    override fun visitMethodInvocation(meth: Tr.MethodInvocation): List> {
        val classType = Type.Class.build(clazz)
        return transform {
            val transformedType = type?.let { t ->
                t.copy(declaringType = classType, flags = if(t.hasFlags(Flag.Static)) t.flags else t.flags + Flag.Static)
            }
            meth.copy(select = Tr.Ident.build(classType.className(), classType, meth.select?.formatting ?:
                    Formatting.Empty), type = transformedType)
        }
    }
}