Example usage for org.apache.http.impl.nio.client MessageState ACK

Introduction

In this page you can find the example usage for org.apache.http.impl.nio.client MessageState ACK.

Prototype

MessageState ACK

To view the source code for org.apache.http.impl.nio.client MessageState ACK.

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Usage

From source file:org.apache.http.impl.nio.client.NHttpClientProtocolHandler.java

public void requestReady(final NHttpClientConnection conn) {
    HttpContext context = conn.getContext();
    HttpExchange httpexchange = getHttpExchange(context);
    HttpAsyncExchangeHandler<?> handler = getHandler(context);
    if (this.log.isDebugEnabled()) {
        this.log.debug("Request ready " + formatState(conn, httpexchange));
    }/*from  w  ww .j  a v a 2  s . com*/
    if (httpexchange.getRequestState() != MessageState.READY) {
        return;
    }
    if (handler == null || handler.isDone()) {
        if (this.log.isDebugEnabled()) {
            this.log.debug("No request submitted " + formatState(conn, httpexchange));
        }
        return;
    }
    try {
        HttpRequest request = handler.generateRequest();
        httpexchange.setRequest(request);

        HttpEntityEnclosingRequest entityReq = null;
        if (request instanceof HttpEntityEnclosingRequest) {
            entityReq = (HttpEntityEnclosingRequest) request;
        }

        conn.submitRequest(request);

        if (entityReq != null) {
            if (entityReq.expectContinue()) {
                int timeout = conn.getSocketTimeout();
                httpexchange.setTimeout(timeout);
                timeout = request.getParams().getIntParameter(CoreProtocolPNames.WAIT_FOR_CONTINUE, 3000);
                conn.setSocketTimeout(timeout);
                httpexchange.setRequestState(MessageState.ACK);
            } else {
                httpexchange.setRequestState(MessageState.BODY_STREAM);
            }
        } else {
            httpexchange.setRequestState(MessageState.COMPLETED);
        }
    } catch (IOException ex) {
        if (this.log.isDebugEnabled()) {
            this.log.debug("I/O error: " + ex.getMessage(), ex);
        }
        shutdownConnection(conn);
        handler.failed(ex);
    } catch (HttpException ex) {
        if (this.log.isDebugEnabled()) {
            this.log.debug("HTTP protocol exception: " + ex.getMessage(), ex);
        }
        closeConnection(conn);
        handler.failed(ex);
    }
}

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From source file:org.apache.http.impl.nio.client.NHttpClientProtocolHandler.java

public void outputReady(final NHttpClientConnection conn, final ContentEncoder encoder) {
    HttpContext context = conn.getContext();
    HttpExchange httpexchange = getHttpExchange(context);
    HttpAsyncExchangeHandler<?> handler = getHandler(context);
    if (this.log.isDebugEnabled()) {
        this.log.debug("Output ready " + formatState(conn, httpexchange));
    }// www.jav a2 s  . c o  m
    try {
        if (httpexchange.getRequestState() == MessageState.ACK) {
            conn.suspendOutput();
            return;
        }
        handler.produceContent(encoder, conn);
        if (encoder.isCompleted()) {
            httpexchange.setRequestState(MessageState.COMPLETED);
        }
    } catch (IOException ex) {
        if (this.log.isDebugEnabled()) {
            this.log.debug("I/O error: " + ex.getMessage(), ex);
        }
        shutdownConnection(conn);
        handler.failed(ex);
    }
}

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From source file:org.apache.http.impl.nio.client.NHttpClientProtocolHandler.java

public void responseReceived(final NHttpClientConnection conn) {
    HttpContext context = conn.getContext();
    HttpExchange httpexchange = getHttpExchange(context);
    HttpAsyncExchangeHandler<?> handler = getHandler(context);
    if (this.log.isDebugEnabled()) {
        this.log.debug("Response received " + formatState(conn, httpexchange));
    }/*from  ww  w .j a va2  s. co  m*/
    try {
        HttpResponse response = conn.getHttpResponse();
        HttpRequest request = httpexchange.getRequest();

        int statusCode = response.getStatusLine().getStatusCode();
        if (statusCode < HttpStatus.SC_OK) {
            // 1xx intermediate response
            if (statusCode == HttpStatus.SC_CONTINUE && httpexchange.getRequestState() == MessageState.ACK) {
                continueRequest(conn, httpexchange);
                httpexchange.setRequestState(MessageState.BODY_STREAM);
            }
            return;
        } else {
            httpexchange.setResponse(response);
            if (httpexchange.getRequestState() == MessageState.ACK) {
                cancelRequest(conn, httpexchange);
                httpexchange.setRequestState(MessageState.COMPLETED);
            } else if (httpexchange.getRequestState() == MessageState.BODY_STREAM) {
                // Early response
                cancelRequest(conn, httpexchange);
                httpexchange.invalidate();
                conn.suspendOutput();
            }
        }
        handler.responseReceived(response);
        if (!canResponseHaveBody(request, response)) {
            processResponse(conn, httpexchange, handler);
        }
    } catch (IOException ex) {
        if (this.log.isDebugEnabled()) {
            this.log.debug("I/O error: " + ex.getMessage(), ex);
        }
        shutdownConnection(conn);
        handler.failed(ex);
    } catch (HttpException ex) {
        if (this.log.isDebugEnabled()) {
            this.log.debug("HTTP protocol exception: " + ex.getMessage(), ex);
        }
        closeConnection(conn);
        handler.failed(ex);
    }
}

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From source file:org.apache.http.impl.nio.client.NHttpClientProtocolHandler.java

public void timeout(final NHttpClientConnection conn) {
    HttpContext context = conn.getContext();
    HttpExchange httpexchange = getHttpExchange(context);
    HttpAsyncExchangeHandler<?> handler = getHandler(context);
    if (this.log.isDebugEnabled()) {
        this.log.debug("Timeout " + formatState(conn, httpexchange));
    }/*w  ww  . j av a  2  s. co  m*/
    try {
        if (httpexchange.getRequestState() == MessageState.ACK) {
            continueRequest(conn, httpexchange);
            httpexchange.setRequestState(MessageState.BODY_STREAM);
        } else {
            if (conn.getStatus() == NHttpConnection.ACTIVE) {
                conn.close();
                if (conn.getStatus() == NHttpConnection.CLOSING) {
                    // Give the connection some grace time to
                    // close itself nicely
                    conn.setSocketTimeout(250);
                }
            } else {
                conn.shutdown();
            }
        }
    } catch (IOException ex) {
        if (this.log.isDebugEnabled()) {
            this.log.debug("I/O error: " + ex.getMessage(), ex);
        }
        shutdownConnection(conn);
        handler.failed(ex);
    }
}

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