?? dtdattribute.java
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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; }}
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