XML读取

GetTableName.java

package com.hd123.test.util;

import java.io.File;
import java.util.Iterator;

import javax.persistence.Table;

import org.dom4j.Document;
import org.dom4j.DocumentException;
import org.dom4j.Element;
import org.dom4j.io.SAXReader;

import com.hd123.jpos.annotation.Remark;
import com.hd123.jpos.csi.entity.packageagency.PackAgencyReceiveTran;

/**
 *
 * @author zhangxinkun
 */
public class GetTableName {
  static String moved = "C:\\Users\\zxk84\\Desktop\\实体拆解\\moved.xml";
  static String to = "C:\\Users\\zxk84\\Desktop\\实体拆解\\to.xml";

  public static void main(String[] args) throws ClassNotFoundException, DocumentException {

    PackAgencyReceiveTran tran = new PackAgencyReceiveTran();
    ClassLoader classLoader = tran.getClass().getClassLoader();

    SAXReader reader = new SAXReader();
    Document doc = reader.read(new File(moved));
    Element root = doc.getRootElement();
    Iterator<Element> i = root.elementIterator("class");

    StringBuilder sb = new StringBuilder("|| 类名 || 表名 || 含义 || 迁移到 ||\n");

    while (i.hasNext()) {
      Element next = i.next();
      String className = next.getText();
      Class clazz = classLoader.loadClass(className);
      String movedTo = getMovedTo(className);
      className = clazz.getSimpleName();
      Table annotation = (Table) clazz.getAnnotation(Table.class);
      Remark remark = (Remark) clazz.getAnnotation(Remark.class);
      String tableName = annotation.name();
      String remarkName = "---";
      if (remark != null) {
        remarkName = remark.text();
      }
      sb.append(String.format("|  %s  |  %s  |  %s  |  %s  |", className, tableName, remarkName, movedTo)).append("\n");
    }
    System.out.println(sb.toString());
  }

  static String getMovedTo(String className) throws DocumentException {
    String moved = "";
    SAXReader reader = new SAXReader();
    Document doc = reader.read(new File(to));
    Element root = doc.getRootElement();
    Iterator<Element> iterator = root.elementIterator();
    StringBuilder moveToStr = new StringBuilder();
    boolean alreadyFind = false;
    while (iterator.hasNext()) {
      Element next = iterator.next();
      String currentPersistenceVer = next.getName();
      Iterator<Element> classIter = next.elementIterator("class");
      while (classIter.hasNext()) {
        Element i = classIter.next();
        if (className.equals(i.getText())) {
          moveToStr.append(alreadyFind ? "," : "").append(currentPersistenceVer);
          alreadyFind = true;
        }
      }

    }
    return moveToStr.toString();
  }

}