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      1 /**
      2  * All rights reserved. Licensed under the Apache License, Version 2.0 (the "License");
      3  * you may not use this file except in compliance with the License.
      4  * You may obtain a copy of the License at
      5  *
      6  *     http://www.apache.org/licenses/LICENSE-2.0
      7  *
      8  * Unless required by applicable law or agreed to in writing, software
      9  * distributed under the License is distributed on an "AS IS" BASIS,
     10  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
     11  * See the License for the specific language governing permissions and
     12  * limitations under the License.
     13  */
     14 package org.jivesoftware.smackx.packet;
     15 
     16 import java.util.Date;
     17 
     18 import org.jivesoftware.smack.util.StringUtils;
     19 
     20 /**
     21  * A decorator for the {@link DelayInformation} class to transparently support
     22  * both the new <b>Delay Delivery</b> specification <a href="http://xmpp.org/extensions/xep-0203.html">XEP-0203</a> and
     23  * the old one <a href="http://xmpp.org/extensions/xep-0091.html">XEP-0091</a>.
     24  *
     25  * Existing code can be backward compatible.
     26  *
     27  * @author Robin Collier
     28  */
     29 public class DelayInfo extends DelayInformation
     30 {
     31 
     32 	DelayInformation wrappedInfo;
     33 
     34         /**
     35          * Creates a new instance with given delay information.
     36          * @param delay the delay information
     37          */
     38 	public DelayInfo(DelayInformation delay)
     39 	{
     40 		super(delay.getStamp());
     41 		wrappedInfo = delay;
     42 	}
     43 
     44 	@Override
     45 	public String getFrom()
     46 	{
     47 		return wrappedInfo.getFrom();
     48 	}
     49 
     50 	@Override
     51 	public String getReason()
     52 	{
     53 		return wrappedInfo.getReason();
     54 	}
     55 
     56 	@Override
     57 	public Date getStamp()
     58 	{
     59 		return wrappedInfo.getStamp();
     60 	}
     61 
     62 	@Override
     63 	public void setFrom(String from)
     64 	{
     65 		wrappedInfo.setFrom(from);
     66 	}
     67 
     68 	@Override
     69 	public void setReason(String reason)
     70 	{
     71 		wrappedInfo.setReason(reason);
     72 	}
     73 
     74 	@Override
     75 	public String getElementName()
     76 	{
     77 		return "delay";
     78 	}
     79 
     80 	@Override
     81 	public String getNamespace()
     82 	{
     83 		return "urn:xmpp:delay";
     84 	}
     85 
     86 	@Override
     87     public String toXML() {
     88         StringBuilder buf = new StringBuilder();
     89         buf.append("<").append(getElementName()).append(" xmlns=\"").append(getNamespace()).append(
     90                 "\"");
     91         buf.append(" stamp=\"");
     92         buf.append(StringUtils.formatXEP0082Date(getStamp()));
     93         buf.append("\"");
     94         if (getFrom() != null && getFrom().length() > 0) {
     95             buf.append(" from=\"").append(getFrom()).append("\"");
     96         }
     97         buf.append(">");
     98         if (getReason() != null && getReason().length() > 0) {
     99             buf.append(getReason());
    100         }
    101         buf.append("</").append(getElementName()).append(">");
    102         return buf.toString();
    103     }
    104 
    105 }
    106