/** | |
* All rights reserved. Licensed under the Apache License, Version 2.0 (the "License"); | |
* you may not use this file except in compliance with the License. | |
* You may obtain a copy of the License at | |
* | |
* http://www.apache.org/licenses/LICENSE-2.0 | |
* | |
* Unless required by applicable law or agreed to in writing, software | |
* distributed under the License is distributed on an "AS IS" BASIS, | |
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. | |
* See the License for the specific language governing permissions and | |
* limitations under the License. | |
*/ | |
package org.jivesoftware.smackx.packet; | |
import java.util.Collection; | |
import java.util.Collections; | |
import org.jivesoftware.smack.packet.PacketExtension; | |
/** | |
* Extension representing a list of headers as specified in <a href="http://xmpp.org/extensions/xep-0131">Stanza Headers and Internet Metadata (SHIM)</a> | |
* | |
* @see Header | |
* | |
* @author Robin Collier | |
*/ | |
public class HeadersExtension implements PacketExtension | |
{ | |
public static final String NAMESPACE = "http://jabber.org/protocol/shim"; | |
private Collection<Header> headers = Collections.EMPTY_LIST; | |
public HeadersExtension(Collection<Header> headerList) | |
{ | |
if (headerList != null) | |
headers = headerList; | |
} | |
public Collection<Header> getHeaders() | |
{ | |
return headers; | |
} | |
public String getElementName() | |
{ | |
return "headers"; | |
} | |
public String getNamespace() | |
{ | |
return NAMESPACE; | |
} | |
public String toXML() | |
{ | |
StringBuilder builder = new StringBuilder("<" + getElementName() + " xmlns='" + getNamespace() + "'>"); | |
for (Header header : headers) | |
{ | |
builder.append(header.toXML()); | |
} | |
builder.append("</" + getElementName() + '>'); | |
return builder.toString(); | |
} | |
} |