public abstract static class DefaultContextImpl implements Context {
private static final String durationProp =
System.getProperty(DefaultContextImpl.class.getName() + ".durationMillis");
private static final long DURATION =
durationProp != null ? Long.parseLong(durationProp) : 60_000L;
private final ReentrantLock lock = new ReentrantLock();
private final long created;
private final Map<String, Object> attachments = new HashMap<>();
private boolean valid = true;
public DefaultContextImpl() {
created = new Date().getTime();
}
@Override
public void invalidate() {
attachments.clear();
valid = false;
}
@Override
public final boolean isValid() {
final boolean ret = valid && (new Date().getTime() - created) <= DURATION;
if (!ret) invalidate();
return ret;
}
@Override
public final Map<String, Object> getAttachments() {
return attachments;
}
@Override
public final ReentrantLock getLock() {
return lock;
}
@Override
public boolean watch() {
return true;
}
}
@Override
public void channelRead(ChannelHandlerContext ctx, Object msg) throws Exception {
messageReceiveCount++;
if (msg instanceof HttpResponse) {
try {
HttpResponse response = (HttpResponse) msg;
StringBuilder sb = new StringBuilder();
if (LOG.isDebugEnabled()) {
sb.append("STATUS: ")
.append(response.getStatus())
.append(", VERSION: ")
.append(response.getProtocolVersion())
.append(", HEADER: ");
}
if (!response.headers().names().isEmpty()) {
for (String name : response.headers().names()) {
for (String value : response.headers().getAll(name)) {
if (LOG.isDebugEnabled()) {
sb.append(name).append(" = ").append(value);
}
if (this.length == -1 && name.equals("Content-Length")) {
this.length = Long.parseLong(value);
}
}
}
}
if (LOG.isDebugEnabled()) {
LOG.debug(sb.toString());
}
if (response.getStatus().code() == HttpResponseStatus.NO_CONTENT.code()) {
LOG.warn("There are no data corresponding to the request");
length = 0;
return;
} else if (response.getStatus().code() != HttpResponseStatus.OK.code()) {
LOG.error(response.getStatus().reasonPhrase());
state = TajoProtos.FetcherState.FETCH_FAILED;
return;
}
} catch (Exception e) {
LOG.error(e.getMessage(), e);
} finally {
ReferenceCountUtil.release(msg);
}
}
if (msg instanceof HttpContent) {
try {
HttpContent httpContent = (HttpContent) msg;
ByteBuf content = httpContent.content();
if (content.isReadable()) {
content.readBytes(fc, content.readableBytes());
}
if (msg instanceof LastHttpContent) {
if (raf != null) {
fileLen = file.length();
}
finishTime = System.currentTimeMillis();
if (state != TajoProtos.FetcherState.FETCH_FAILED) {
state = TajoProtos.FetcherState.FETCH_FINISHED;
}
IOUtils.cleanup(LOG, fc, raf);
}
} catch (Exception e) {
LOG.error(e.getMessage(), e);
} finally {
ReferenceCountUtil.release(msg);
}
}
}