/*

 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.

 *

 * This code is free software; you can redistribute it and/or modify it

 * under the terms of the GNU General Public License version 2 only, as

 * published by the Free Software Foundation.  Oracle designates this

 * particular file as subject to the "Classpath" exception as provided

 * by Oracle in the LICENSE file that accompanied this code.

 *

 * This code is distributed in the hope that it will be useful, but WITHOUT

 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or

 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License

 * version 2 for more details (a copy is included in the LICENSE file that

 * accompanied this code).

 *

 * You should have received a copy of the GNU General Public License version

 * 2 along with this work; if not, write to the Free Software Foundation,

 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.

 *

 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA

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 * THIS FILE WAS MODIFIED BY SUN MICROSYSTEMS, INC.

 */

package com.sun.xml.internal.fastinfoset.stax.events ;

import java.util.ArrayList;

import java.util.Iterator;

import java.util.List;

import javax.xml.namespace.QName;

import javax.xml.stream.events.EndElement;

import javax.xml.stream.events.Namespace;

import com.sun.xml.internal.fastinfoset.stax.events.EmptyIterator;

public class EndElementEvent extends EventBase implements EndElement {

    List _namespaces = null;

    QName _qname ;

    public void reset() {

        if (_namespaces != null) _namespaces.clear();

    }

    public EndElementEvent() {

        setEventType(END_ELEMENT);

    }

    public EndElementEvent(String prefix, String namespaceURI, String localpart) {

        _qname = getQName(namespaceURI,localpart,prefix);

        setEventType(END_ELEMENT);

    }

    public EndElementEvent(QName qname) {

        _qname = qname;

        setEventType(END_ELEMENT);

    }

  /**

   * Get the name of this event

   * @return the qualified name of this event

   */

    public QName getName() {

        return _qname;

    }

    public void setName(QName qname) {

        _qname = qname;

    }

    /** Returns an Iterator of namespaces that have gone out

     * of scope.  Returns an empty iterator if no namespaces have gone

     * out of scope.

     * @return an Iterator over Namespace interfaces, or an

     * empty iterator

     */

    public Iterator getNamespaces() {

        if(_namespaces != null)

            return _namespaces.iterator();

        return EmptyIterator.getInstance();

    }

    public void addNamespace(Namespace namespace){

        if (_namespaces == null) {

            _namespaces = new ArrayList();

        }

        _namespaces.add(namespace);

    }

    public String toString() {

        StringBuffer sb = new StringBuffer();

        sb.append("</").append(nameAsString());

        Iterator namespaces = getNamespaces();

        while(namespaces.hasNext()) {

            sb.append(" ").append(namespaces.next().toString());

        }

        sb.append(">");

        return sb.toString();

    }

    private String nameAsString() {

        if("".equals(_qname.getNamespaceURI()))

            return _qname.getLocalPart();

        if(_qname.getPrefix() != null)

            return "['" + _qname.getNamespaceURI() + "']:" + _qname.getPrefix() + ":" + _qname.getLocalPart();

        else

            return "['" + _qname.getNamespaceURI() + "']:" + _qname.getLocalPart();

    }

    private QName getQName(String uri, String localPart, String prefix){

        QName qn = null;

        if(prefix != null && uri != null)

            qn = new QName(uri, localPart, prefix);

        else if(prefix == null && uri != null)

            qn = new QName(uri, localPart);

        else if(prefix == null && uri == null)

            qn = new QName(localPart);

        return qn;

    }

}