?? dtdattlist.java
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package com.wutka.dtd;import java.util.*;import java.io.*;/** Represents an ATTLIST declaration in the DTD. Although attributes are * associated with elements, the ATTLIST is here to allow the DTD object * to write out the DTD in roughly the original form. Because the ATTLIST * may appear somewhere other than immediately after the ELEMENT, this object * is used to keep track of where it is. * * @author Mark Wutka * @version $Revision: 1.16 $ $Date: 2002/07/19 01:20:11 $ by $Author: wutka $ */public class DTDAttlist implements DTDOutput{/** The name of the element */ public String name;/** The attlist's attributes */ public Vector attributes; public DTDAttlist() { attributes = new Vector(); } public DTDAttlist(String aName) { name = aName; attributes = new Vector(); }/** Writes out an ATTLIST declaration */ public void write(PrintWriter out) throws IOException { out.print("<!ATTLIST "); out.println(name); Iterator itr = attributes.iterator(); while (itr.hasNext()) { out.print(" "); DTDAttribute attr = (DTDAttribute) itr.next(); attr.write(out); if (itr.hasNext()) { out.println(); } else { out.println(">"); } } } public boolean equals(Object ob) { if (ob == this) return true; if (!(ob instanceof DTDAttlist)) return false; DTDAttlist other = (DTDAttlist) ob; if ((name == null) && (other.name != null)) return false; if ((name != null) && !name.equals(other.name)) return false; return attributes.equals(other.attributes); }/** Returns the entity name of this attlist */ public String getName() { return name; }/** Sets the entity name of this attlist */ public void setName(String aName) { name = aName; }/** Returns the attributes in this list */ public DTDAttribute[] getAttribute() { DTDAttribute attrs[] = new DTDAttribute[attributes.size()]; attributes.copyInto(attrs); return attrs; }/** Sets the list of attributes */ public void setAttribute(DTDAttribute[] attrs) { attributes = new Vector(attrs.length); for (int i=0; i < attrs.length; i++) { attributes.addElement(attrs[i]); } }/** Returns a specific attribute from the list */ public DTDAttribute getAttribute(int i) { return (DTDAttribute) attributes.elementAt(i); }/** Sets a specific attribute in the list */ public void setAttribute(DTDAttribute attr, int i) { attributes.setElementAt(attr, i); }}
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