com.mysema.scalagen.Underscores.scala Maven / Gradle / Ivy
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/*
* Copyright (C) 2011, Mysema Ltd
*
* 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.mysema.scalagen
import java.util.ArrayList
import japa.parser.ast.CompilationUnit
import UnitTransformer._
object Underscores extends Underscores
/**
* Underscores strips off underscore prefixes from field names with related Bean properties
*/
class Underscores extends UnitTransformerBase with BeanHelpers {
private val nameReplacer = new ModifierVisitor[Set[String]] {
override def visitName(n: String, arg: Set[String]): String = {
if (arg.contains(n)) n.substring(1) else n
}
}
def transform(cu: CompilationUnit): CompilationUnit = {
cu.accept(this, cu).asInstanceOf[CompilationUnit]
}
override def visit(n: ClassOrInterfaceDecl, cu: CompilationUnit): Node = {
val getters = n.getMembers.collect { case m: Method => m }
.filter(m => isBeanGetter(m) || isBooleanBeanGetter(m))
.map(getProperty)
val variables = n.getMembers.collect { case f: Field => f }
.flatMap( _.getVariables)
.map(_.getId.getName)
.filter(n => n.startsWith("_") && getters.contains(n.substring(1)))
.toSet
n.accept(nameReplacer, variables)
}
}