public static void printCollection(Iterable<? extends Message> messages, Appendable appendable)
throws IOException {
if (messages == null) throw new IllegalArgumentException("messages cannot be null");
if (appendable == null) throw new IllegalArgumentException("messages cannot be null");
// Start the Array
appendable.append('[');
boolean first = true;
for (Message ml : messages) {
// If this isn't the first item, prepend with a comma
if (!first) appendable.append(',');
first = false;
JsonFormat.print(ml, appendable);
}
// Close the Array
appendable.append(']');
}
/**
* 实际解析协议模板
*
* @param protocol
* @param template
* @return
*/
@SuppressWarnings("unchecked")
public <T extends GeneratedMessage> T parseFromJson(HawkProtocol protocol, T template) {
if (protocol != null && template != null) {
try {
T pbProtocol = template;
if (protocol.getSize() > 0) {
String pbJson =
new String(protocol.getOctets().getBuffer().array(), 0, protocol.getSize());
GeneratedMessage.Builder<?> builder = (Builder<?>) template.newBuilderForType();
JsonFormat.merge(pbJson, builder);
pbProtocol = (T) builder.build();
}
logProtocolBuilder(protocol, pbProtocol);
return pbProtocol;
} catch (Exception e) {
HawkException.catchException(e);
// 抛出运行时异常
throw new RuntimeException("protocol parse exception: " + protocol.getType());
}
}
return null;
}