/** * Redistribution and use of this software and associated documentation * ("Software"), with or without modification, are permitted provided * that the following conditions are met: * * 1. Redistributions of source code must retain copyright * statements and notices. Redistributions must also contain a * copy of this document. * * 2. Redistributions in binary form must reproduce the * above copyright notice, this list of conditions and the * following disclaimer in the documentation and/or other * materials provided with the distribution. * * 3. The name "Exolab" must not be used to endorse or promote * products derived from this Software without prior written * permission of Intalio, Inc. For written permission, * please contact info@exolab.org. * * 4. Products derived from this Software may not be called "Exolab" * nor may "Exolab" appear in their names without prior written * permission of Intalio, Inc. Exolab is a registered * trademark of Intalio, Inc. * * 5. Due credit should be given to the Exolab Project * (http://www.exolab.org/). * * THIS SOFTWARE IS PROVIDED BY INTALIO, INC. AND CONTRIBUTORS * ``AS IS'' AND ANY EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT * NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND * FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL * INTALIO, INC. OR ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED * OF THE POSSIBILITY OF SUCH DAMAGE. * * Copyright 1999 (C) Intalio, Inc. All Rights Reserved. * * $Id$ */ package org.exolab.castor.xml.schema; import java.util.Enumeration; /** * A list for maintaining facets * @author <a href="mailto:kvisco@intalio.com">Keith Visco</a> * @version $Revision$ $Date: 2006-04-25 15:08:23 -0600 (Tue, 25 Apr 2006) $ **/ class FacetListEnumerator implements Enumeration { private int currentIdx = 0; private FacetList facets = null; private FacetListEnumerator inherited = null; private String mask = null; /** * Creates a new FacetList for the given FacetList **/ FacetListEnumerator(FacetList facets) { this.facets = facets; } //-- FacetListEnumerator /** * Creates a new FacetList enumerator **/ FacetListEnumerator (FacetList facets, FacetListEnumerator inheritedFacets) { this.facets = facets; inherited = inheritedFacets; } //-- FacetListEnumerator /** * Sets the mask for this enumerator. The mask is the name of the facets * to enumerate. * @param name the name of the facets to enumerate **/ void setMask(String name) { this.mask = name; if (inherited != null) inherited.setMask(name); } //-- setMask //-------------------------------------------/ //- implementation of java.util.Enumeration -/ //-------------------------------------------/ public boolean hasMoreElements() { if (inherited != null) { if (inherited.hasMoreElements()) return true; } if (facets == null) return false; if (mask == null) return (currentIdx < facets.size()); for (; currentIdx < facets.size(); currentIdx++) { Facet facet = facets.get(currentIdx); if (mask.equals(facet.getName())) return true; } return false; } //-- hasMoreElements public Object nextElement() { if (inherited != null) { if (inherited.hasMoreElements()) return inherited.nextElement(); } if (facets == null) return null; if (mask == null) { if (currentIdx < facets.size()) return facets.get(currentIdx++); } else { for (; currentIdx < facets.size(); currentIdx++) { Facet facet = facets.get(currentIdx); if (mask.equals(facet.getName())) { ++currentIdx; return facet; } } } return null; } //-- nextElement } //-- FacetListEnumerator