upnppresenceinformation.java

国外的j2me播放器软件

package no.auc.one.portableplayer.communication;

public class UPnPPresenceInformation {
    private String message;
    private String usn;
    private String location;
    private String nt;
    private String nts;
            
    public UPnPPresenceInformation(String msg) {
        message = msg;
        
        usn = getHeaderValue("USN");
        nt = getHeaderValue("NT");
        nts = getHeaderValue("NTS");
        location = getHeaderValueIgnoreCase("Location");
    }
            
    public String getUSN() {
        return usn;
    }
            
    public String getLocation() {
        return location;
    }

    public String getNT() {
        return nt;
    }

    public String getNTS() {
        return nts;
    }

    private String getHeaderValue(String header) {
        String value = null;
		int start = message.indexOf(header + ":") + header.length() + 1;
		int end = message.substring(start).indexOf('\r');
		value = message.substring(start, start + end).trim();

        return value;
    }

    private String getHeaderValueIgnoreCase(String header) {
        String value = null;
        String msgLC = message.toLowerCase();
		int start = msgLC.indexOf(header + ":") + header.length() + 1;
		int end = msgLC.substring(start).indexOf('\r');
		value = message.substring(start, start + end).trim();

        return value;
    }
}