net.projectmonkey.convention.NameTransformers Maven / Gradle / Ivy

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/*
 * Copyright 2011 the original author or authors.
 *
 * 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 net.projectmonkey.convention;

import java.beans.Introspector;

import net.projectmonkey.spi.NameTransformer;
import net.projectmonkey.spi.NameableType;

/**
 * {@link NameTransformer} implementations.
 * 
 * @author Jonathan Halterman
 */
public class NameTransformers {
  /**
   * Transforms accessor names to their simple property name according to the JavaBeans convention.
   * Class and field names are unchanged.
   */
  public static final NameTransformer JAVABEANS_ACCESSOR = new NameTransformer() {
    public String transform(String name, NameableType nameableType) {
      if (NameableType.METHOD.equals(nameableType)) {
        if (name.startsWith("get"))
          return Introspector.decapitalize(name.substring(3));
        else if (name.startsWith("is"))
          return Introspector.decapitalize(name.substring(2));
      }

      return name;
    }
  };

  /**
   * Transforms mutator names to their simple property name according to the JavaBeans convention.
   * Class and field names are unchanged.
   */
  public static final NameTransformer JAVABEANS_MUTATOR = new NameTransformer() {
    public String transform(String name, NameableType nameableType) {
      if (NameableType.METHOD.equals(nameableType) && name.startsWith("set"))
        return Introspector.decapitalize(name.substring(3));
      return name;
    }
  };
}