/*
* TeleStax, Open Source Cloud Communications
* Copyright 2011-2014, Telestax Inc and individual contributors
* by the @authors tag.
*
* This program is free software: you can redistribute it and/or modify
* under the terms of the GNU Affero General Public License as
* published by the Free Software Foundation; either version 3 of
* the License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Affero General Public License for more details.
*
* You should have received a copy of the GNU Affero General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>
*
*/
package org.restcomm.media.sdp.fields;
import org.restcomm.media.sdp.SdpField;
/**
* c=[nettype] [addrtype] [connection-address]
*
* <p>
* The "c=" field contains connection data.<br>
* A session description MUST contain either at least one "c=" field in each
* media description or a single "c=" field at the session level. It MAY contain
* a single session-level "c=" field and additional "c=" field(s) per media
* description, in which case the per-media values override the session-level
* settings for the respective media.
* </p>
*
* @author Henrique Rosa (henrique.rosa@telestax.com)
*
*/
public class ConnectionField implements SdpField {
// Parsing
public static final char FIELD_TYPE = 'c';
protected static final String BEGIN = "c=";
private static final int BEGIN_LENGTH = BEGIN.length();
// Default values
private static final String DEFAULT_NET_TYPE = "IN";
private static final String DEFAULT_ADDRESS_TYPE = "IP4";
private static final String DEFAULT_ADDRESS = "0.0.0.0";
private final StringBuilder builder;
private String networkType;
private String addressType;
private String address;
public ConnectionField() {
this(DEFAULT_NET_TYPE, DEFAULT_ADDRESS_TYPE, DEFAULT_ADDRESS);
}
public ConnectionField(String netType, String addressType, String address) {
this.builder = new StringBuilder(BEGIN);
this.networkType = netType;
this.addressType = addressType;
this.address = address;
}
public String getNetworkType() {
return networkType;
}
public void setNetworkType(String netType) {
this.networkType = netType;
}
public String getAddressType() {
return addressType;
}
public void setAddressType(String addressType) {
this.addressType = addressType;
}
public String getAddress() {
return address;
}
public void setAddress(String address) {
this.address = address;
}
@Override
public char getFieldType() {
return FIELD_TYPE;
}
@Override
public String toString() {
// Clean builder
this.builder.setLength(BEGIN_LENGTH);
this.builder.append(this.networkType).append(" ")
.append(this.addressType).append(" ")
.append(this.address);
return this.builder.toString();
}
}