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src/main/java/com/example/demo/util/XML/XMLParse.java 11.9 KB
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package com.example.demo.util.XML;

import ch.qos.logback.core.joran.spi.XMLUtil;
import com.example.demo.DemoApplication;
import org.jdom.Document;
import org.jdom.Element;
import org.jdom.JDOMException;
import org.jdom.input.SAXBuilder;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.xml.sax.InputSource;

import java.io.IOException;
import java.io.StringReader;
import java.util.*;

public class XMLParse {
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    private  static  final Logger logger = LoggerFactory.getLogger(DemoApplication.class);
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    private static String xmlString;
    private static Document document;
    private static SAXBuilder builder;
    private static Element root;
    private static LinkedList<SubNode> listNode;
    private static StringReader xmlReader;
    private static InputSource xmlSource;
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    private static List<Map> maps = new ArrayList<Map>();
    private static Map<String,Map> allElementValue = new HashMap<String, Map>();
    private static int domCount=0;
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    private String value;
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    public XMLParse() {
    }
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    public XMLParse(String XmlString) {
        builder = new SAXBuilder();
        root = null;
        listNode = new LinkedList();
        value = "";
        document =new Document();
        xmlString = XmlString;
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    }
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    public Map getAllValuesFromXmlString() throws  Exception{
        try {
            xmlReader = new StringReader(xmlString);
            xmlSource = new InputSource(xmlReader);
            document = builder.build(xmlSource);
            root = document.getRootElement();
            getElements(root);

        }catch (Exception var17) {
            var17.printStackTrace();
            throw var17;
        } finally {
            listNode.clear();
            document = null;
            root = null;
//            builder = null;

        }
        return allElementValue;
    }

    public void getElements (Element element) throws  Exception{
        try {
            domCount++;
            List<Element> Children = element.getChildren();
            if (Children.size()>0){
                for (Element elements : Children){
                    if(elements.getChildren().size()>0){
                        getElements(elements);
                    }else {//确定是最末节点了 开始取末节点的数据
                        String childName = elements.getName();
                        String childValue = elements.getText();
                        Map<String,String> childMap = new HashMap<String, String>(); //用map存储每个最终节点的值
                        childMap.put(childName,childValue);
                        allElementValue.put(domCount+elements.getParentElement().getName()+"-"+childName,childMap);
                    }
                }
            }


        }catch (Exception e){
            e.printStackTrace();
            throw e;
        }

    }
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    public  List<Map> getNodeValuesFromXmlStringForPffm(String xmlNodePath) throws Exception{
        String[] nodes = xmlNodePath.split("/");
        try {
            xmlReader = new StringReader(xmlString);
            xmlSource = new InputSource(xmlReader);
            document = builder.build(xmlSource);
            List<Map> maps = new ArrayList<Map>();
            for(int i = 1; i < nodes.length; ++i) {
                SubNode snode;

                if (i >1) {
                    snode = (SubNode)listNode.getLast();
                    List<Element> eList = snode.getElement().getChildren(nodes[i]); //这里得到所有Arrival节点 从ArrivalEvent开始取
                    if (eList != null && eList.size() > 0) {
                        SubNode s1 = new SubNode((Element)eList.get(0));
                        listNode.add(s1);

                    }
                    if(eList != null && eList.size() > 1 && i==nodes.length-1){ //只有进入的最尾节点的时候再循环去取同名下的一对多的ELEMENT所有子节点

                        for (Element element : eList){ //开始取出每个ArrivalEven每个字节点
                            List<Element> elements=element.getChildren();
                            Map<String,String> childMap = new HashMap<String, String>(); //用map存储AssociatedTransportCargo节点下每个值
                            for (Element childElements : elements){
                                if (childElements.getChildren().size()>1){
                                    for (Element grandChildrenEle : (List<Element>)childElements.getChildren()){ //IncludedMasterConsignment重复节点
                                        String childName = grandChildrenEle.getName();
                                        String childValue = grandChildrenEle.getText();
                                        childMap.put(childName,childValue);
                                    }
                                }
                                String childName = childElements.getName();
                                String childValue = childElements.getText();
                                childMap.put(childName,childValue);
                                logger.info(childValue);
                            }
                            maps.add(childMap);
                        }
                    }

                } else if (1 == i) {
                    root = document.getRootElement();
                    snode = new SubNode(root);
                    listNode.add(snode);
                }

            }
            return maps;
        } catch (Exception var17) {
            var17.printStackTrace();
            throw var17;
        } finally {
            listNode.clear();
            document = null;
            root = null;
//            builder = null;
            nodes = null;
        }

    }
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    /**
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     * 取一对多关系的节点下的所有子节点的属性名 和 值，//这个方法作为FWB解析使用
     * @return 返回重复节点下的所有节点数据
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     * @throws Exception
     */
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    public  List<Map> getNodeValuesFromXmlString(String xmlNodePath) throws Exception{
        String[] nodes = xmlNodePath.split("/");
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        try {
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            xmlReader = new StringReader(xmlString);
            xmlSource = new InputSource(xmlReader);
            document = builder.build(xmlSource);
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            List<Map> maps = new ArrayList<Map>();
            for(int i = 1; i < nodes.length; ++i) {
                SubNode snode;

                if (i >1) {
                    snode = (SubNode)listNode.getLast();
                    List<Element> eList = snode.getElement().getChildren(nodes[i]); //这里等于3的时候得到associatedPary节点 两个，下面应该循环这两个element，取他下面的所有children
                    if (eList != null && eList.size() > 0) {
                        SubNode s1 = new SubNode((Element)eList.get(0));
                        listNode.add(s1);

                    }
                    if(eList != null && eList.size() > 1 && i==nodes.length-1){ //只有进入的最尾节点的时候再循环去取同名下的一对多的ELEMENT所有子节点
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                        for (Element element : eList){ //开始取出每个字节点
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                            List<Element> elements=element.getChildren();
                            Map<String,String> childMap = new HashMap<String, String>(); //用map存储每个值
                                for (Element childElements : elements){
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                                    if (childElements.getChildren().size()>1){
                                        for (Element grandChildrenEle : (List<Element>)childElements.getChildren()){
                                            String childName = grandChildrenEle.getName();
                                            String childValue = grandChildrenEle.getText();
                                            childMap.put(childName,childValue);
                                        }
                                    }
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                                    String childName = childElements.getName();
                                    String childValue = childElements.getText();
                                    childMap.put(childName,childValue);
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                                    logger.info(childValue);
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                                }
                        maps.add(childMap);
                        }
                    }

                } else if (1 == i) {
                    root = document.getRootElement();
                    snode = new SubNode(root);
                    listNode.add(snode);
                }

            }
            return maps;
        } catch (Exception var17) {
            var17.printStackTrace();
            throw var17;
        } finally {
            listNode.clear();
            document = null;
            root = null;
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//            builder = null;
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            nodes = null;
        }

    }

    /***
     * 获取单一节点的值
     * @return 单一节点值
     * @throws Exception
     */
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    public  final String getNodeValueFromXmlString(String xmlNodePath) throws Exception {
        String[] nodes = xmlNodePath.split("/");
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        try {
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            xmlReader = new StringReader(xmlString);
            xmlSource = new InputSource(xmlReader);
            document = builder.build(xmlSource);
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            for(int i = 1; i < nodes.length; ++i) {
                SubNode snode;
                if (i > 1) {
                    snode = (SubNode)listNode.getLast();
                    List<Element> eList = snode.getElement().getChildren(nodes[i]);
                    if (eList != null && eList.size() > 0) {
                        SubNode s1 = new SubNode((Element)eList.get(0));
                        listNode.add(s1);
                    }
                } else if (1 == i) {
                    root = document.getRootElement();
                    snode = new SubNode(root);
                    listNode.add(snode);
                }
            }

            SubNode n = (SubNode)listNode.getLast();
            value = n.getElement().getText();
            n = null;
            return value;
        } catch (Exception var17) {
            var17.printStackTrace();
            throw var17;
        } finally {
            listNode.clear();
            document = null;
            root = null;
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//            builder = null;
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            nodes = null;
        }

    }

    public static final String getNodeAttribute(String xmlFile, String xmlNodePath, String attributeName, String defaultValue) {
        String[] nodes = xmlNodePath.split("/");
        new Document();
        SAXBuilder builder = new SAXBuilder();
        Element root = null;
        LinkedList<SubNode> listNode = new LinkedList();
        String value = "";

        Document document;
        try {
            document = builder.build(xmlFile);

            for(int i = 1; i < nodes.length; ++i) {
                SubNode snode;
                if (i > 1) {
                    snode = (SubNode)listNode.getLast();
                    List<Element> eList = snode.getElement().getChildren(nodes[i]);
                    if (eList != null && eList.size() > 0) {
                        SubNode s1 = new SubNode((Element)eList.get(0));
                        listNode.add(s1);
                    }
                } else if (1 == i) {
                    root = document.getRootElement();
                    snode = new SubNode(root);
                    listNode.add(snode);
                }
            }

            SubNode n = (SubNode)listNode.getLast();
            value = n.getElement().getAttributeValue(attributeName, defaultValue);
            n = null;
        } catch (JDOMException var18) {
            var18.printStackTrace();
        } catch (IOException var19) {
            var19.printStackTrace();
        } finally {
            listNode.clear();
            document = null;
            root = null;
            builder = null;
            nodes = null;
        }

        System.out.println("key=" + xmlNodePath + " node attrivte value=" + value);
        return value;
    }
}