booleanconverter.java

JGraph扩展应用。自定义Renderer,自定义视图View实现自定义工作流控件

/**
 * @PROJECT.FULLNAME@ @VERSION@ License.
 *
 * Copyright @YEAR@ L2FProd.com
 *
 * 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.l2fprod.common.util.converter;

/**
 * Converts a boolean to string and vice-versa.
 */
public class BooleanConverter implements Converter {

  public void register(ConverterRegistry registry) {
    registry.addConverter(String.class, boolean.class, this);
    registry.addConverter(String.class, Boolean.class, this);
    registry.addConverter(Boolean.class, String.class, this);
    registry.addConverter(boolean.class, String.class, this);
  }
  
  public Object convert(Class type, Object value) {
    if (String.class.equals(type) && Boolean.class.equals(value.getClass())) {
      return String.valueOf(value);
    } else if (boolean.class.equals(type) || Boolean.class.equals(type)) {
      return Boolean.valueOf(String.valueOf(value));
    } else {
      throw new IllegalArgumentException("Can't convert " + value + " to "
        + type.getName());
    }
  }
  
}