com.feilong.context.converter.builder.XmlNodeNameAndValueMapBuilder Maven / Gradle / Ivy

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feilong is a suite of core and expanded libraries that include utility classes, http, excel,cvs, io classes, and much much more.

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/*
 * Copyright (C) 2008 feilong
 *
 * 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.feilong.context.converter.builder;

import java.util.Map;

import com.feilong.core.Validate;
import com.feilong.xml.XmlUtil;

/**
 * 标准的Xpath表达式 xml解析器.
 * 
 * 
 * key/value 取自 每个 Node 的Name/Value;
 * 
 * 
 * about xpathExpression:
 * 
 * 示例:
 * 
 * 
 *  * {@code
 * 
 *  
 *  <![CDATA[test pro<duct name]]>
 *  0
 *  200000
 *  10
 *  1010
 *  101004
 *  1.2
 *  23
 *  56
 *  5
 *  20
 *  buyer
 *  -1
 *  5
 *  test product
 *  1004:2586,12536:15248,58746:2546
 *  false
 *  
 *  
 *  
 * 
 * }
 * 
 * 
 * if String xpathExpression = "/item/*";
 * 
 * 会取到下面所有的元素节点
 * 
 * 
 * 
 * @author feilong
 * @since 1.11.2
 */
public class XmlNodeNameAndValueMapBuilder implements NameAndValueMapBuilder{

    /** The xpath expression . */
    private String xpathExpression;

    //---------------------------------------------------------------

    /**
     * Instantiates a new xml node name and value map builder.
     */
    public XmlNodeNameAndValueMapBuilder(){
        super();
    }

    /**
     * Instantiates a new xml node name and value map builder.
     *
     * @param xpathExpression
     *            the xpath expression
     */
    public XmlNodeNameAndValueMapBuilder(String xpathExpression){
        super();
        this.xpathExpression = xpathExpression;
    }

    //---------------------------------------------------------------

    /*
     * (non-Javadoc)
     * 
     * @see com.feilong.bind.builder.NameAndValueMapBuilder#buildNameAndValueMap(java.lang.String)
     */
    @Override
    public Map build(String inputString){
        Validate.notBlank(inputString, "xml can't be blank!");
        return XmlUtil.getNodeNameAndStringValueMap(inputString, xpathExpression);
    }

    //---------------------------------------------------------------

    /**
     * 获得 xpath expression .
     *
     * @return the xpathExpression
     */
    public String getXpathExpression(){
        return xpathExpression;
    }

    /**
     * 设置 xpath expression .
     *
     * @param xpathExpression
     *            the xpathExpression to set
     */
    public void setXpathExpression(String xpathExpression){
        this.xpathExpression = xpathExpression;
    }

}