package com.wutka.dtd;import java.io.*;/** Represents a DTD Attribute in an ATTLIST declaration * * @author Mark Wutka * @version $Revision: 1.16 $ $Date: 2002/07/19 01:20:11 $ by $Author: wutka $ */public class DTDAttribute implements DTDOutput{/** The name of the attribute */    public String name;/** The type of the attribute (either String, DTDEnumeration or    DTDNotationList) */    public Object type;/** The attribute's declaration (required, fixed, implied) */    public DTDDecl decl;/** The attribute's default value (null if not declared) */    public String defaultValue;    public DTDAttribute()    {    }    public DTDAttribute(String aName)    {        name = aName;    }/** Writes this attribute to an output stream */    public void write(PrintWriter out)        throws IOException    {        out.print(name+" ");        if (type instanceof String)        {            out.print(type);        }        else if (type instanceof DTDEnumeration)        {            DTDEnumeration dtdEnum = (DTDEnumeration) type;            dtdEnum.write(out);        }        else if (type instanceof DTDNotationList)        {            DTDNotationList dtdnl = (DTDNotationList) type;            dtdnl.write(out);        }        if (decl != null)        {            decl.write(out);        }        if (defaultValue != null)        {            out.print(" \"");            out.print(defaultValue);            out.print("\"");        }        //out.println(">");                            Bug!    }    public boolean equals(Object ob)    {        if (ob == this) return true;        if (!(ob instanceof DTDAttribute)) return false;        DTDAttribute other = (DTDAttribute) ob;        if (name == null)        {            if (other.name != null) return false;        }        else        {            if (!name.equals(other.name)) return false;        }        if (type == null)        {            if (other.type != null) return false;        }        else        {            if (!type.equals(other.type)) return false;        }        if (decl == null)        {            if (other.decl != null) return false;        }        else        {            if (!decl.equals(other.decl)) return false;        }        if (defaultValue == null)        {            if (other.defaultValue != null) return false;        }        else        {            if (!defaultValue.equals(other.defaultValue)) return false;        }        return true;    }/** Sets the name of the attribute */    public void setName(String aName)    {        name = aName;    }/** Returns the attribute name */    public String getName()    {        return name;    }/** Sets the type of the attribute */    public void setType(Object aType)    {        if (!(aType instanceof String) &&            !(aType instanceof DTDEnumeration) &&            !(aType instanceof DTDNotationList))        {            throw new IllegalArgumentException(                "Must be String, DTDEnumeration or DTDNotationList");        }        type = aType;    }/** Gets the type of the attribute */    public Object getType()    {        return type;    }/** Sets the declaration (fixed, required, implied) */    public void setDecl(DTDDecl aDecl)    {        decl = aDecl;    }/** Returns the declaration */    public DTDDecl getDecl()    {        return decl;    }/** Sets the default value */    public void setDefaultValue(String aDefaultValue)    {        defaultValue = aDefaultValue;    }/** Returns the default value */    public String getDefaultValue()    {        return defaultValue;    }}