PropertyTokenizer

package org.apache.ibatis.reflection.property;

import java.util.Iterator;

/*

	例1: 参数: user[1].linkman.name

        children=linkman.name

        indexedName=user[1]

        name=user

        index=1

    例2: 参数: user

    	children=null

    	indexedName=user

    	name=user

    	index=null

    hasNext()判断是否有子属性，next()获取子属性。

*/

public class PropertyTokenizer implements Iterator<PropertyTokenizer> {

  private String name; //名称

  private final String indexedName; //带索引的名称

  private String index; //索引

  private final String children; //子名称

  public PropertyTokenizer(String fullname) {

    int delim = fullname.indexOf('.');

    if (delim > -1) {

      name = fullname.substring(0, delim);

      children = fullname.substring(delim + 1);

    } else {

      name = fullname;

      children = null;

    }

    indexedName = name;

    delim = name.indexOf('[');

    if (delim > -1) {

      index = name.substring(delim + 1, name.length() - 1);

      name = name.substring(0, delim);

    }

  }

  @Override

  public boolean hasNext() {

    return children != null;

  }

  @Override

  public PropertyTokenizer next() {

    return new PropertyTokenizer(children);

  }

}
巴特西

MyBatis PropertyTokenizer

PropertyTokenizer

最新文章

热门文章
