/*

 * Copyright (c) 2005, 2016, Oracle and/or its affiliates. All rights reserved.

 * 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

 * or visit www.oracle.com if you need additional information or have any

 * questions.

 */

package com.sun.xml.internal.stream.events;

import java.util.List;

import java.util.ArrayList;

import javax.xml.namespace.QName;

import javax.xml.stream.events.EndElement;

import javax.xml.stream.events.Namespace;

import java.util.Iterator;

import javax.xml.stream.events.XMLEvent;

import com.sun.xml.internal.stream.util.ReadOnlyIterator;

/**

 * Implementation of EndElement event.

 *

 * @author Neeraj Bajaj Sun Microsystems,Inc.

 * @author K.Venugopal Sun Microsystems,Inc.

 */

public class EndElementEvent extends DummyEvent

        implements EndElement {

    List<Namespace> fNamespaces = null;

    QName fQName;

    public EndElementEvent() {

        init();

    }

    protected final void init() {

        setEventType(XMLEvent.END_ELEMENT);

        fNamespaces = new ArrayList<>();

    }

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

        this(new QName(uri, localpart, prefix));

    }

    public EndElementEvent(QName qname) {

        this.fQName = qname;

        init();

    }

    @Override

    public QName getName() {

        return fQName;

    }

    public void setName(QName qname) {

        this.fQName = qname;

    }

    @Override

    protected void writeAsEncodedUnicodeEx(java.io.Writer writer)

            throws java.io.IOException {

        writer.write("</");

        String prefix = fQName.getPrefix();

        if (prefix != null && prefix.length() > 0) {

            writer.write(prefix);

            writer.write(':');

        }

        writer.write(fQName.getLocalPart());

        writer.write('>');

    }

    /**

     * 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

     */

    @Override

    public Iterator<Namespace> getNamespaces() {

        if (fNamespaces != null) {

            fNamespaces.iterator();

        }

        return new ReadOnlyIterator<>();

    }

    void addNamespace(Namespace ns) {

        if (ns != null) {

            fNamespaces.add(ns);

        }

    }

    public String toString() {

        String s = "</" + nameAsString();

        s = s + ">";

        return s;

    }

    public String nameAsString() {

        if ("".equals(fQName.getNamespaceURI())) {

            return fQName.getLocalPart();

        }

        if (fQName.getPrefix() != null) {

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

        } else {

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

        }

    }

}