/*
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This file is part of Peers, a java SIP softphone.
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This program is free software: you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation, either version 3 of the License, or
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any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program. If not, see <http://www.gnu.org/licenses/>.
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Copyright 2007, 2008, 2009, 2010 Yohann Martineau
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*/
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package com.genersoft.iot.vmp.gb28181.sdp;
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import java.net.Inet4Address;
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import java.net.Inet6Address;
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import java.net.InetAddress;
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import java.util.Hashtable;
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import java.util.List;
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public class MediaDescription {
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private String type;
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private InetAddress ipAddress;
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// attributes not codec-related
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private Hashtable<String, String> attributes;
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private int port;
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private List<Codec> codecs;
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public String getType() {
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return type;
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}
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public void setType(String type) {
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this.type = type;
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}
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public Hashtable<String, String> getAttributes() {
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return attributes;
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}
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public void setAttributes(Hashtable<String, String> attributes) {
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this.attributes = attributes;
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}
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public InetAddress getIpAddress() {
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return ipAddress;
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}
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public void setIpAddress(InetAddress ipAddress) {
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this.ipAddress = ipAddress;
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}
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public int getPort() {
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return port;
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}
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public void setPort(int port) {
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this.port = port;
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}
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public List<Codec> getCodecs() {
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return codecs;
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}
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public void setCodecs(List<Codec> codecs) {
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this.codecs = codecs;
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}
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@Override
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public String toString() {
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StringBuffer buf = new StringBuffer();
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buf.append(RFC4566_28181.TYPE_MEDIA).append(RFC4566_28181.SEPARATOR);
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buf.append(type).append(" ").append(port);
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buf.append(" RTP/AVP");
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if (codecs != null) {
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for (Codec codec: codecs) {
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buf.append(" ");
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buf.append(codec.getPayloadType());
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}
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buf.append("\r\n");
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}
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if (ipAddress != null) {
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int ipVersion;
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if (ipAddress instanceof Inet4Address) {
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ipVersion = 4;
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} else if (ipAddress instanceof Inet6Address) {
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ipVersion = 6;
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} else {
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throw new RuntimeException("unknown ip version: " + ipAddress);
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}
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buf.append(RFC4566_28181.TYPE_CONNECTION).append(RFC4566_28181.SEPARATOR);
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buf.append("IN IP").append(ipVersion).append(" ");
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buf.append(ipAddress.getHostAddress()).append("\r\n");
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}
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if (codecs != null) {
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for (Codec codec: codecs) {
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buf.append(codec.toString());
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}
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}
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if (attributes != null) {
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for (String attributeName: attributes.keySet()) {
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buf.append(RFC4566_28181.TYPE_ATTRIBUTE).append(RFC4566_28181.SEPARATOR);
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buf.append(attributeName);
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String attributeValue = attributes.get(attributeName);
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if (attributeValue != null && !"".equals(attributeValue.trim())) {
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buf.append(":").append(attributeValue);
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}
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buf.append("\r\n");
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}
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}
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return buf.toString();
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}
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}
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