@Override
public InputStream getContent() throws IOException {
InputStream in;
try {
successful = true;
in = connection.getInputStream();
} catch (IOException e) {
successful = false;
in = connection.getErrorStream();
if (in == null) {
throw e;
}
}
String encoding = connection.getHeaderField("Content-Encoding");
if (config.getMaxResponseSize() > 0) {
in = new LimitingInputStream(config.getMaxResponseSize(), in);
}
if ("gzip".equals(encoding)) {
in = new GZIPInputStream(in);
}
if (config.hasMessageHandlers() || config.isTraceMessage()) {
byte[] bytes = FileUtil.toBytes(in);
in = new ByteArrayInputStream(bytes);
if (config.hasMessageHandlers()) {
Iterator<MessageHandler> it = config.getMessagerHandlers();
while (it.hasNext()) {
MessageHandler handler = it.next();
if (handler instanceof MessageHandlerWithHeaders) {
((MessageHandlerWithHeaders) handler)
.handleResponse(url, bytes, connection.getHeaderFields());
} else {
handler.handleResponse(url, bytes);
}
}
}
if (config.isTraceMessage()) {
new TeeInputStream(config, bytes);
}
}
return in;
}
private OutputStream wrapOutput(OutputStream output, boolean enableCompression)
throws IOException {
if (config.getMaxRequestSize() > 0) {
output = new LimitingOutputStream(config.getMaxRequestSize(), output);
}
// when we are writing a zip file we don't bother with compression
if (enableCompression && config.isCompression()) {
output = new GZIPOutputStream(output);
}
if (config.isTraceMessage()) {
output = new TeeOutputStream(output);
}
if (config.hasMessageHandlers()) {
output = new MessageHandlerOutputStream(output);
}
return output;
}