/**
* Copyright 2005-2014 Restlet
*
* The contents of this file are subject to the terms of one of the following
* open source licenses: Apache 2.0 or or EPL 1.0 (the "Licenses"). You can
* select the license that you prefer but you may not use this file except in
* compliance with one of these Licenses.
*
* You can obtain a copy of the Apache 2.0 license at
* http://www.opensource.org/licenses/apache-2.0
*
* You can obtain a copy of the EPL 1.0 license at
* http://www.opensource.org/licenses/eclipse-1.0
*
* See the Licenses for the specific language governing permissions and
* limitations under the Licenses.
*
* Alternatively, you can obtain a royalty free commercial license with less
* limitations, transferable or non-transferable, directly at
* http://restlet.com/products/restlet-framework
*
* Restlet is a registered trademark of Restlet S.A.S.
*/
package org.restlet.engine.header;
import java.util.List;
import org.restlet.data.RecipientInfo;
/**
* Recipient info header writer.
*
* @author Jerome Louvel
*/
public class RecipientInfoWriter extends HeaderWriter<RecipientInfo> {
/**
* Creates a via header from the given recipients info.
*
* @param recipientsInfo
* The recipients info.
* @return Returns the Via header.
*/
public static String write(List<RecipientInfo> recipientsInfo) {
return new RecipientInfoWriter().append(recipientsInfo).toString();
}
@Override
public RecipientInfoWriter append(RecipientInfo recipientInfo) {
if (recipientInfo.getProtocol() != null) {
appendToken(recipientInfo.getProtocol().getName());
append('/');
appendToken(recipientInfo.getProtocol().getVersion());
appendSpace();
if (recipientInfo.getName() != null) {
append(recipientInfo.getName());
if (recipientInfo.getComment() != null) {
appendSpace();
appendComment(recipientInfo.getComment());
}
} else {
throw new IllegalArgumentException(
"The name (host or pseudonym) of a recipient can't be null");
}
} else {
throw new IllegalArgumentException(
"The protocol of a recipient can't be null");
}
return this;
}
}