dom4j 删除所有节点的文本都为空的父节点

xml 如下，如果row节点的子节点的text全部为空就删除row 节点。

<?xml version="1.0" encoding="UTF-8"?>
<Project internalId="4e303a41-9e23-4193-90a9-67c8e6b44699" name="BAM Testing">
  <DataTables>
    <Table internalId="a16c7435-3fdc-4357-9133-df22ad235bb2" name="Data Preparation_Group">
      <Columns>
        <Column name="Name"/>
        <Column name="Description"/>
        <Column name="Grouptype"/>
      </Columns>
      <Rows>
        <Row isEnabled="true">
          <Field column="Name"></Field>
          <Field column="Description"></Field>
          <Field column="Grouptype"></Field>
        </Row>
        <Row isEnabled="true">
          <Field column="Name"></Field>
          <Field column="Description"></Field>
          <Field column="Grouptype"></Field>
        </Row>
        <Row isEnabled="true">
          <Field column="Name">Citibank Individuals</Field>
          <Field column="Description">Citibank Individuals</Field>
          <Field column="Grouptype">Individual Group</Field>
        </Row>
        <Row isEnabled="true">
          <Field column="Name">Test_Delete</Field>
          <Field column="Description">Test for Delete Function</Field>
          <Field column="Grouptype">Institution Group</Field>
        </Row>
        <Row isEnabled="true">
          <Field column="Name">Test_Edit</Field>
          <Field column="Description">Test for Edit Function</Field>
          <Field column="Grouptype">Institution Group</Field>
        </Row>
      </Rows>
    </Table>
  </DataTables>
</Project> 

 

package xmlTest;

import java.io.File;
import java.io.FileWriter;
import java.io.IOException;
import java.util.ArrayList;
import java.util.Iterator;
import java.util.List;

import org.dom4j.Attribute;
import org.dom4j.Document;
import org.dom4j.DocumentException;
import org.dom4j.Element;
import org.dom4j.io.OutputFormat;
import org.dom4j.io.SAXReader;
import org.dom4j.io.XMLWriter;
@SuppressWarnings("unchecked")
public class RemoveTheNodeWithEmptyText
{
 public static void main(String[] args) throws DocumentException, IOException
 {
  removeAllNodeWithEmptyText(
    "C:/Users/Administrator/Desktop/BAM Testing_Data.xml",
    "//Table/Rows/Row");
 }


 public static void removeAllNodeWithEmptyText(String file, String xpath)
   throws DocumentException, IOException
 {
  SAXReader reader = new SAXReader();
  Document doc = reader.read(new File(file));
  boolean Flag = false;
  List<Element> list = new ArrayList<Element>();
  // list=doc.selectNodes("//Rows/Row/@isEnabled");
  // //Table[contains(name,'Data Preparation')]Rows/Row
  list = doc.selectNodes(xpath);
  System.out.println(list.size());
  Iterator iter = list.iterator();
  iter = list.iterator();

  while (iter.hasNext())
  {
   Element bookElement = (Element) iter.next();

//
   Iterator iterator = bookElement.elementIterator("Field");
   while (iterator.hasNext())
   {
    Element titleElement = (Element) iterator.next();
    if (titleElement.getText().equals(""))
    {
     Flag = true;
     // bookElement.remove(titleElement);
    }
    else
    {
     Flag = false;
     break;
    }
   }
   if (Flag)
   {

   //获得其父节点然后删除节点
    bookElement.getParent().remove(bookElement);
   }
  }
        OutputFormat opf=OutputFormat.createPrettyPrint();
  XMLWriter xmr = new XMLWriter(new FileWriter(new File(file)),opf);
  xmr.write(doc);
  xmr.close();

 }
}