// Date: 4/25/02
// Author: Paul Robertson, Copyright (c) DOLL, Inc.
// File: XMLTag.java
// Description: XML Basic stream I/O support

// Stream for reading and writing XML

package mit16_410_13;

import java.util.Vector;
import java.io.InputStream;
import java.io.PrintStream;
import java.io.EOFException;
import java.io.IOException;
import java.io.FileInputStream;

public class XMLTag
{
	String tagid;
	Vector attributes=new Vector();

	public XMLTag ()
	{
		tagid=null;
	}

	public XMLTag (String name)
	{
		tagid=name;
	}

	public String getTagID ()
	{
		return tagid;
	}

	public Vector getAttributes ()
	{
		return attributes;
	}

	void setTagID (String name)
	{
		tagid=name;
	}

	void addAttribute (XMLAttribute att)
	{
		attributes.addElement(att);
	}

	public void writeTag (XMLStream strm)
	{
		PrintStream ostrm=strm.getPrintStream();
		ostrm.print("<"+tagid);
		// emit the attributes.
		for (int i=0; i<attributes.size(); i++) {
			ostrm.print(" ");
			XMLAttribute anAttribute=(XMLAttribute)attributes.elementAt(i);
			anAttribute.writeAttribute(strm);
		}
		ostrm.println(">");
	}

	public String getAttribute (String attrib)
	{
		for (int i=0; i<attributes.size(); i++) {
			XMLAttribute anAttribute=(XMLAttribute)attributes.elementAt(i);
			if (attrib.equals(anAttribute.getName())) {
				return anAttribute.getValue();
			}
		}
		return null;   
	}    
}