Example usage for org.apache.http.nio.entity ContentListener ContentListener

Introduction

In this page you can find the example usage for org.apache.http.nio.entity ContentListener ContentListener.

Prototype

ContentListener

Source Link

Usage

From source file:com.alibaba.openapi.client.rpc.AliNHttpRequstExecutionHandler.java

public ConsumingNHttpEntity responseEntity(final HttpResponse httpResponse, final HttpContext context)
        throws IOException {
    //System.out.println("AliNHttpRequstExecutionHandler responseEntity");

    LoggerHelper.getClientLogger().finer("Enter request handler's response entity.");
    final InvokeContext invokeContext = (InvokeContext) context.getAttribute(CONTEXT_ATTACHMENT);
    final Response response = protocolProvider
            .getResponseParser(invokeContext.getPolicy().getResponseProtocol())
            .initResponse(httpResponse, invokeContext);
    //ConsumingNHttpEntityTemplateContentListener??
    ContentListener contentListener = new ContentListener() {
        private final SimpleInputBuffer buffer = new SimpleInputBuffer(2048, allocator);

        @SuppressWarnings("unchecked")
        public void finished() {
            InputStream istream = new ContentInputStream(this.buffer);
            protocolProvider.getResponseParser(invokeContext.getPolicy().getResponseProtocol())
                    .parseResponse(httpResponse, istream, response, invokeContext);
            invokeContext.completed();/*from   w w  w .j a  va2 s. c om*/
            if (response.getException() != null) {
                invokeContext.failed(response.getException());
            } else {
                try {
                    ((FutureCallback<Object>) invokeContext.getCallback()).completed(response.getResult());
                } catch (RuntimeException e) {
                    invokeContext.failed(e);
                }
            }
        }

        //TODO ??,??
        public void contentAvailable(ContentDecoder decoder, IOControl ioctrl) throws IOException {
            this.buffer.consumeContent(decoder);
            LoggerHelper.getClientLogger().finer("content Listener " + this.buffer.available());
        }
    };
    HttpEntity entity = httpResponse.getEntity();
    return new ConsumingNHttpEntityTemplate(entity, contentListener);
}

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