Java下简单模仿.net的XmlWriter_java xmlwriter-优快云博客

本文链接：https://blog.youkuaiyun.com/hejishan/article/details/2271742

本文介绍了一个简单的Java程序，用于生成格式化的XML文件。通过使用栈来跟踪元素层级，并利用StringBuffer进行字符串拼接，该程序能够创建嵌套的XML结构。文章提供了完整的代码示例，包括如何写入开始标签、文本内容及结束标签。

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import java.util.Stack;

/**
* @author qinjinwei
*
*/
public class XmlWriter {

private static char IndentChars = '/t';
private static char LeftChars = '<';
private static char RightChars = '>';
private static char EndChars = '/';
private Stack stack = new Stack();
private StringBuffer buffer = new StringBuffer();

public void WriteStartElement(String elementName)
{
  String token = StartElement(elementName );
  WriteWhitespace();
  buffer.append(token);
  buffer.append("/r/n");
  stack.push(elementName);

}

public void WriteString(String elementName,String elementValue)
{
  WriteStartElement(elementName);
  WriteString(elementValue);
  WriteEndElement();
}

private void WriteString(String value)
{
  WriteWhitespace();
  //WriteWhitespace(1);
  buffer.append(value);
  buffer.append("/r/n");
}

public void WriteEndElement()
{
  if(!stack.isEmpty())
  {
   String elementName = (String)stack.pop();
      String token = EndElement(elementName );
      WriteWhitespace();
   buffer.append(token);
   buffer.append("/r/n");
  }
}

private void WriteWhitespace(int count)
{
  for (int i = 0; i < count; i++) {
   buffer.append(IndentChars);
  }
}

private void WriteWhitespace()
{
  WriteWhitespace( stack.size());
}

private String StartElement(String elementName)
{
  return LeftChars + elementName + RightChars ;
}

private String EndElement(String elementName)
{
  return LeftChars + "" + EndChars + elementName + RightChars ;
}

public String createXml()
{
return buffer.toString();
}
}

/**
* @author qinjinwei
*
*/
public class test {

public static void main(String[] args) {

  XmlWriter writer = new XmlWriter();
  writer.WriteStartElement("Class1");
  writer.WriteStartElement("Name");
  writer.WriteString("String","zhangsan");
  writer.WriteEndElement();
  writer.WriteEndElement();

  String result = writer.createXml();

  System.out.println(result);
}

}