/**
* Copyright 2005-2011 Noelios Technologies.
*
* The contents of this file are subject to the terms of one of the following
* open source licenses: LGPL 3.0 or LGPL 2.1 or CDDL 1.0 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 LGPL 3.0 license at
* http://www.opensource.org/licenses/lgpl-3.0.html
*
* You can obtain a copy of the LGPL 2.1 license at
* http://www.opensource.org/licenses/lgpl-2.1.php
*
* You can obtain a copy of the CDDL 1.0 license at
* http://www.opensource.org/licenses/cddl1.php
*
* You can obtain a copy of the EPL 1.0 license at
* http://www.opensource.org/licenses/eclipse-1.0.php
*
* 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://www.noelios.com/products/restlet-engine
*
* Restlet is a registered trademark of Noelios Technologies.
*/
package org.restlet.ext.sip.internal;
import java.io.IOException;
import java.util.Collection;
import org.restlet.data.Parameter;
import org.restlet.data.Protocol;
import org.restlet.engine.header.HeaderReader;
import org.restlet.ext.sip.SipRecipientInfo;
/**
* Via header reader.
*
* @author Thierry Boileau
*/
public class SipRecipientInfoReader extends HeaderReader<SipRecipientInfo> {
/**
* Adds values to the given collection.
*
* @param header
* The header to read.
* @param collection
* The collection to update.
*/
public static void addValues(Parameter header,
Collection<SipRecipientInfo> collection) {
new SipRecipientInfoReader(header.getValue()).addValues(collection);
}
/**
* Constructor.
*
* @param header
* The header to read.
*/
public SipRecipientInfoReader(String header) {
super(header);
}
/**
* Reads the next IPv6 address. The first character must be a "[".
*
* @return The next IPv6 address.
* @throws IOException
*/
public String readIpv6Address() throws IOException {
String result = null;
int next = read();
// First character must be a parenthesis
if (next == '[') {
StringBuilder buffer = new StringBuilder("[");
while (result == null) {
next = read();
if (next == ']') {
// End of address
buffer.append(']');
result = buffer.toString();
} else if (next == -1) {
throw new IOException(
"Unexpected end of IPv6 address. Please check your value");
} else {
buffer.append((char) next);
}
}
} else {
throw new IOException(
"An IPv6 address must start with a square bracket.");
}
return result;
}
@Override
public SipRecipientInfo readValue() throws IOException {
SipRecipientInfo result = null;
skipSpaces();
if (peek() != -1) {
result = new SipRecipientInfo();
String protocolToken = readToken();
if (peek() == '/') {
read();
result.setProtocol(new Protocol(protocolToken, protocolToken,
null, -1, readToken()));
if (peek() == '/') {
read();
result.setTransport(readToken());
}
} else {
result.setProtocol(new Protocol("HTTP", "HTTP", null, -1,
protocolToken));
}
// Move to the next text
if (skipSpaces()) {
StringBuilder sb = new StringBuilder();
if (peek() == '[') {
sb.append(readIpv6Address());
} else {
sb.append(readToken());
}
if (peek() == ':') {
read();
sb.append(":");
sb.append(readToken());
}
result.setName(sb.toString());
// Read address parameters.
if (skipParameterSeparator()) {
Parameter param = readParameter();
while (param != null) {
result.getParameters().add(param);
if (skipParameterSeparator()) {
param = readParameter();
} else {
param = null;
}
}
}
// Move to the next text
skipSpaces();
if (peek() == '(') {
result.setComment(readComment());
}
}
}
return result;
}
}