package org.kxml; import java.util.*; /** Like Attribute, this class is immutable for similar reasons */ public class PrefixMap { public static final PrefixMap DEFAULT = new PrefixMap (null, "", ""); String prefix; String namespace; PrefixMap previous; public PrefixMap (PrefixMap previous, String prefix, String namespace) { this.previous = previous; this.prefix = prefix; this.namespace = namespace; } public String getNamespace () { return namespace; } public String getPrefix () { return prefix; } public PrefixMap getPrevious () { return previous; } /** returns the namespace associated with the given prefix, or null, if none is assigned */ public String getNamespace (String prefix) { PrefixMap current = this; do { if (prefix.equals (current.prefix)) return current.namespace; current = current.previous; } while (current != null); return null; } public String getPrefix (String namespace) { PrefixMap current = this; do { //System.err.println ("found: "+current.namespace +"/"+ current.prefix + "/" +getNamespace (current.prefix)); if (namespace.equals (current.namespace) && namespace.equals (getNamespace (current.prefix))) return current.prefix; current = current.previous; } while (current != null); return null; } }
