CryptoMessage v1.3.2版本的 MD5 值为：66c611ce56a11450659dc23697562928

以下内容为反编译后的 MUCAdmin.java 源代码，内容仅作参考

package org.jivesoftware.smackx.muc.packet;

import java.util.ArrayList;
import java.util.Collections;
import java.util.Iterator;
import java.util.List;
import org.jivesoftware.smack.packet.IQ;

public class MUCAdmin extends IQ {
    public static final String ELEMENT = "query";
    public static final String NAMESPACE = "http://jabber.org/protocol/muc#admin";
    private final List<MUCItem> items;

    public MUCAdmin() {
        super("query", NAMESPACE);
        this.items = new ArrayList();
    }

    public List<MUCItem> getItems() {
        List<MUCItem> unmodifiableList;
        synchronized (this.items) {
            unmodifiableList = Collections.unmodifiableList(new ArrayList(this.items));
        }
        return unmodifiableList;
    }

    public void addItem(MUCItem mUCItem) {
        synchronized (this.items) {
            this.items.add(mUCItem);
        }
    }

    @Override
    protected IQ.IQChildElementXmlStringBuilder getIQChildElementBuilder(IQ.IQChildElementXmlStringBuilder iQChildElementXmlStringBuilder) {
        iQChildElementXmlStringBuilder.rightAngleBracket();
        synchronized (this.items) {
            Iterator<MUCItem> it = this.items.iterator();
            while (it.hasNext()) {
                iQChildElementXmlStringBuilder.append(it.next().toXML());
            }
        }
        return iQChildElementXmlStringBuilder;
    }
}