90 lines
1.9 KiB
Java
90 lines
1.9 KiB
Java
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package zutil.network.ssdp;
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import java.util.Date;
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import java.util.UUID;
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/**
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* This class contains information about a service from
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* or through the SSDP protocol
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*
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* @author Ziver
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*/
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public class SSDPServiceInfo {
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private String location;
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private String st;
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private String usn;
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private long expiration_time;
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/**
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* @param l is the value to set the Location variable
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*/
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public void setLocation(String l) {
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location = l;
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}
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/**
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* @param st is the value to set the SearchTarget variable
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*/
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public void setST(String st) {
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this.st = st;
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}
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/**
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* @param usn is the value to set the USN variable
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*/
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protected void setUSN(String usn) {
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this.usn = usn;
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}
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/**
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* @param time sets the expiration time of values in this object
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*/
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protected void setExpirationTime(long time) {
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expiration_time = time;
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}
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/**
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* @return The URL to the Service, e.g. "http://192.168.0.1:80/index.html"
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*/
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public String getLocation(){
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return location;
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}
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/**
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* @return the Search Target, e.g. "upnp:rootdevice"
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*/
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public String getSearchTarget(){
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return st;
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}
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/**
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* @return the expiration time for the values in this object
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*/
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public long getExpirationTime(){
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return expiration_time;
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}
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/**
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* @return the USN value, e.g. "uuid:abcdefgh-7dec-11d0-a765-00a0c91e6bf6 "
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*/
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public String getUSN(){
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if( usn==null )
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usn = genUSN();
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return usn;
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}
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/**
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* Generates an unique USN for the service
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*
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* @param searchTarget is the service ST name
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* @return an unique string that corresponds to the service
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*/
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private String genUSN(){
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return "uuid:" + UUID.nameUUIDFromBytes( (st+location).getBytes() ) +"::"+st;
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}
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public String toString(){
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return "USN: "+usn+"\nLocation: "+location+"\nST: "+st+"\nExpiration-Time: "+new Date(expiration_time);
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}
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}
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