private static byte[] textFromProperties(Map<String, ?> props) {
byte[] text = null;
if (props != null) {
try {
ByteArrayOutputStream out = new ByteArrayOutputStream(256);
for (String key : props.keySet()) {
Object val = props.get(key);
ByteArrayOutputStream out2 = new ByteArrayOutputStream(100);
writeUTF(out2, key);
if (val == null) {
// Skip
} else if (val instanceof String) {
out2.write('=');
writeUTF(out2, (String) val);
} else if (val instanceof byte[]) {
byte[] bval = (byte[]) val;
if (bval.length > 0) {
out2.write('=');
out2.write(bval, 0, bval.length);
} else {
val = null;
}
} else {
throw new IllegalArgumentException("invalid property value: " + val);
}
byte data[] = out2.toByteArray();
if (data.length > 255) {
throw new IOException(
"Cannot have individual values larger that 255 chars. Offending value: "
+ key
+ (val != null ? "" : "=" + val));
}
out.write((byte) data.length);
out.write(data, 0, data.length);
}
text = out.toByteArray();
} catch (IOException e) {
throw new RuntimeException("unexpected exception: " + e);
}
}
return (text != null && text.length > 0 ? text : DNSRecord.EMPTY_TXT);
}
ServiceInfoImpl(
Map<Fields, String> qualifiedNameMap,
int port,
int weight,
int priority,
boolean persistent,
String text) {
this(qualifiedNameMap, port, weight, priority, persistent, (byte[]) null);
_server = text;
try {
ByteArrayOutputStream out = new ByteArrayOutputStream(text.length());
writeUTF(out, text);
this._text = out.toByteArray();
} catch (IOException e) {
throw new RuntimeException("unexpected exception: " + e);
}
}
/**
* @param type
* @param name
* @param subtype
* @param port
* @param weight
* @param priority
* @param persistent
* @param text
* @see javax.jmdns.ServiceInfo#create(String, String, int, int, int, String)
*/
public ServiceInfoImpl(
String type,
String name,
String subtype,
int port,
int weight,
int priority,
boolean persistent,
String text) {
this(
ServiceInfoImpl.decodeQualifiedNameMap(type, name, subtype),
port,
weight,
priority,
persistent,
(byte[]) null);
_server = text;
byte[] encodedText = null;
try {
ByteArrayOutputStream out = new ByteArrayOutputStream(256);
ByteArrayOutputStream out2 = new ByteArrayOutputStream(100);
writeUTF(out2, text);
byte data[] = out2.toByteArray();
if (data.length > 255) {
throw new IOException(
"Cannot have individual values larger that 255 chars. Offending value: " + text);
}
out.write((byte) data.length);
out.write(data, 0, data.length);
encodedText = out.toByteArray();
} catch (IOException e) {
throw new RuntimeException("unexpected exception: " + e);
}
this._text =
(encodedText != null && encodedText.length > 0 ? encodedText : DNSRecord.EMPTY_TXT);
}