Example usage for org.apache.http.protocol HTTP TRANSFER

Introduction

In this page you can find the example usage for org.apache.http.protocol HTTP TRANSFER_ENCODING.

Prototype

String TRANSFER_ENCODING

To view the source code for org.apache.http.protocol HTTP TRANSFER_ENCODING.

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Usage

From source file:org.apache.synapse.transport.passthru.util.DeferredMessageBuilder.java

public OMElement getDocument(MessageContext msgCtx, InputStream in) throws XMLStreamException, IOException {

    String contentType = (String) msgCtx.getProperty(Constants.Configuration.CONTENT_TYPE);
    String _contentType = getContentType(contentType, msgCtx);
    in = HTTPTransportUtils.handleGZip(msgCtx, in);

    AxisConfiguration configuration = msgCtx.getConfigurationContext().getAxisConfiguration();
    Parameter useFallbackParameter = configuration
            .getParameter(Constants.Configuration.USE_DEFAULT_FALLBACK_BUILDER);

    boolean useFallbackBuilder = false;

    if (useFallbackParameter != null) {
        useFallbackBuilder = JavaUtils.isTrueExplicitly(useFallbackParameter.getValue(), useFallbackBuilder);
    }//from w w w  .ja v  a 2  s .  c  o m

    Map transportHeaders = (Map) msgCtx.getProperty(MessageContext.TRANSPORT_HEADERS);

    if (transportHeaders != null) {
        String contentLength = (String) transportHeaders.get(HTTP.CONTENT_LEN);
        String trasferEncoded = (String) transportHeaders.get(HTTP.TRANSFER_ENCODING);

        if (contentType.equals(PassThroughConstants.DEFAULT_CONTENT_TYPE)
                && (contentLength == null || Integer.valueOf(contentLength) == 0) && trasferEncoded == null) {
            msgCtx.setProperty(PassThroughConstants.NO_ENTITY_BODY, true);
            msgCtx.setProperty(Constants.Configuration.CONTENT_TYPE, "");
            msgCtx.setProperty(PassThroughConstants.RELAY_EARLY_BUILD, true);
            return new SOAP11Factory().getDefaultEnvelope();
        }
    }

    OMElement element = null;
    Builder builder;
    if (contentType != null) {
        // loading builder from externally..
        //builder = configuration.getMessageBuilder(_contentType,useFallbackBuilder);
        builder = MessageProcessorSelector.getMessageBuilder(_contentType, msgCtx);
        if (builder != null) {
            try {
                /*try {
                throw new Exception("Building message");
                } catch (Exception e) {
                e.printStackTrace();
                }*/
                element = builder.processDocument(in, contentType, msgCtx);
            } catch (AxisFault axisFault) {
                log.error("Error building message", axisFault);
                throw axisFault;
            }
        }
    }

    if (element == null) {
        if (msgCtx.isDoingREST()) {
            try {
                element = BuilderUtil.getPOXBuilder(in, null).getDocumentElement();
            } catch (XMLStreamException e) {
                log.error("Error building message using POX Builder", e);
                throw e;
            }
        } else {
            // switch to default
            builder = new SOAPBuilder();
            try {
                element = builder.processDocument(in, contentType, msgCtx);
            } catch (AxisFault axisFault) {
                log.error("Error building message using SOAP builder");
                throw axisFault;
            }
        }
    }

    // build the soap headers and body
    if (element instanceof SOAPEnvelope) {
        SOAPEnvelope env = (SOAPEnvelope) element;
        env.hasFault();
    }

    //setting up original contentType (resetting the content type)
    if (contentType != null && !contentType.isEmpty()) {
        msgCtx.setProperty(Constants.Configuration.CONTENT_TYPE, contentType);
    }
    return element;
}

From source file:org.apache.synapse.transport.passthru.util.PassThroughTransportUtils.java

/**
 * Remove unwanted headers from the given header map.
 *
 * @param headers             http header map
 * @param targetConfiguration configurations for the passThrough transporter
 *//*from ww w .j  a  v a  2  s .com*/
private static void removeUnwantedHeadersFromHeaderMap(Map headers, TargetConfiguration targetConfiguration) {
    Iterator iter = headers.keySet().iterator();
    while (iter.hasNext()) {
        String headerName = (String) iter.next();
        if (HTTP.CONN_DIRECTIVE.equalsIgnoreCase(headerName)
                || HTTP.TRANSFER_ENCODING.equalsIgnoreCase(headerName)) {
            iter.remove();
        }

        if (HTTP.CONN_KEEP_ALIVE.equalsIgnoreCase(headerName)
                && !targetConfiguration.isPreserveHttpHeader(HTTP.CONN_KEEP_ALIVE)) {
            iter.remove();
        }

        if (HTTP.CONTENT_LEN.equalsIgnoreCase(headerName)
                && !targetConfiguration.isPreserveHttpHeader(HTTP.CONTENT_LEN)) {
            iter.remove();
        }

        if (HTTP.CONTENT_TYPE.equalsIgnoreCase(headerName)
                && !targetConfiguration.isPreserveHttpHeader(HTTP.CONTENT_TYPE)) {
            iter.remove();
        }

        if (HTTP.DATE_HEADER.equalsIgnoreCase(headerName)
                && !targetConfiguration.isPreserveHttpHeader(HTTP.DATE_HEADER)) {
            iter.remove();
        }

        if (HTTP.SERVER_HEADER.equalsIgnoreCase(headerName)
                && !targetConfiguration.isPreserveHttpHeader(HTTP.SERVER_HEADER)) {
            iter.remove();
        }

        if (HTTP.USER_AGENT.equalsIgnoreCase(headerName)
                && !targetConfiguration.isPreserveHttpHeader(HTTP.USER_AGENT)) {
            iter.remove();
        }
    }
}

From source file:org.apache.synapse.transport.passthru.util.SourceResponseFactory.java

public static SourceResponse create(MessageContext msgContext, SourceRequest sourceRequest,
        SourceConfiguration sourceConfiguration) {
    // determine the status code to be sent
    int statusCode = PassThroughTransportUtils.determineHttpStatusCode(msgContext);
    SourceResponse sourceResponse;//  w w w. j  av  a  2 s  .com
    String statusLine = PassThroughTransportUtils.determineHttpStatusLine(msgContext);

    if (msgContext.getProperty(PassThroughConstants.ORIGINAL_HTTP_SC) != null
            && statusCode == ((Integer) msgContext.getProperty(PassThroughConstants.ORIGINAL_HTTP_SC))) {
        sourceResponse = new SourceResponse(sourceConfiguration, statusCode, statusLine, sourceRequest);
    } else {
        if (msgContext.getProperty(PassThroughConstants.ORIGINAL_HTTP_REASON_PHRASE) != null && (statusLine
                .equals(msgContext.getProperty(PassThroughConstants.ORIGINAL_HTTP_REASON_PHRASE)))) {
            sourceResponse = new SourceResponse(sourceConfiguration, statusCode, sourceRequest);
        } else {
            sourceResponse = new SourceResponse(sourceConfiguration, statusCode, statusLine, sourceRequest);
        }
    }

    // set any transport headers
    Map transportHeaders = (Map) msgContext.getProperty(MessageContext.TRANSPORT_HEADERS);

    boolean forceContentLength = msgContext.isPropertyTrue(NhttpConstants.FORCE_HTTP_CONTENT_LENGTH);
    boolean forceContentLengthCopy = msgContext
            .isPropertyTrue(PassThroughConstants.COPY_CONTENT_LENGTH_FROM_INCOMING);

    if (forceContentLength && forceContentLengthCopy
            && msgContext.getProperty(PassThroughConstants.ORGINAL_CONTEN_LENGTH) != null) {
        sourceResponse.addHeader(HTTP.CONTENT_LEN,
                (String) msgContext.getProperty(PassThroughConstants.ORGINAL_CONTEN_LENGTH));
    }

    // When invoking http HEAD request esb set content length as 0 to response header. Since there is no message
    // body content length cannot be calculated inside synapse. Hence content length of the backend response is
    // set to sourceResponse.
    if (sourceRequest != null
            && PassThroughConstants.HTTP_HEAD
                    .equalsIgnoreCase(sourceRequest.getRequest().getRequestLine().getMethod())
            && msgContext.getProperty(PassThroughConstants.ORGINAL_CONTEN_LENGTH) != null) {
        sourceResponse.addHeader(PassThroughConstants.ORGINAL_CONTEN_LENGTH,
                (String) msgContext.getProperty(PassThroughConstants.ORGINAL_CONTEN_LENGTH));
    }

    if (transportHeaders != null
            && msgContext.getProperty(org.apache.axis2.Constants.Configuration.MESSAGE_TYPE) != null) {
        if (msgContext.getProperty(org.apache.axis2.Constants.Configuration.CONTENT_TYPE) != null
                && msgContext.getProperty(org.apache.axis2.Constants.Configuration.CONTENT_TYPE).toString()
                        .contains(PassThroughConstants.CONTENT_TYPE_MULTIPART_RELATED)) {
            transportHeaders.put(org.apache.axis2.Constants.Configuration.MESSAGE_TYPE,
                    PassThroughConstants.CONTENT_TYPE_MULTIPART_RELATED);
        } else {
            Pipe pipe = (Pipe) msgContext.getProperty(PassThroughConstants.PASS_THROUGH_PIPE);
            if (pipe != null && !Boolean.TRUE
                    .equals(msgContext.getProperty(PassThroughConstants.MESSAGE_BUILDER_INVOKED))) {
                transportHeaders.put(HTTP.CONTENT_TYPE,
                        msgContext.getProperty(org.apache.axis2.Constants.Configuration.CONTENT_TYPE));
            }
        }
    }

    if (transportHeaders != null) {
        addResponseHeader(sourceResponse, transportHeaders);
    } else {
        Boolean noEntityBody = (Boolean) msgContext.getProperty(NhttpConstants.NO_ENTITY_BODY);
        if (noEntityBody == null || Boolean.FALSE == noEntityBody) {
            OMOutputFormat format = NhttpUtil.getOMOutputFormat(msgContext);
            transportHeaders = new HashMap();
            MessageFormatter messageFormatter = MessageFormatterDecoratorFactory
                    .createMessageFormatterDecorator(msgContext);
            if (msgContext.getProperty(org.apache.axis2.Constants.Configuration.MESSAGE_TYPE) == null) {
                transportHeaders.put(HTTP.CONTENT_TYPE,
                        messageFormatter.getContentType(msgContext, format, msgContext.getSoapAction()));
            }
            addResponseHeader(sourceResponse, transportHeaders);
        }

    }

    // Add excess response header. 
    String excessProp = NhttpConstants.EXCESS_TRANSPORT_HEADERS;
    Map excessHeaders = (Map) msgContext.getProperty(excessProp);
    if (excessHeaders != null) {
        for (Iterator iterator = excessHeaders.keySet().iterator(); iterator.hasNext();) {
            String key = (String) iterator.next();
            for (String excessVal : (Collection<String>) excessHeaders.get(key)) {
                sourceResponse.addHeader(key, (String) excessVal);
            }
        }
    }
    // keep alive
    String noKeepAlie = (String) msgContext.getProperty(PassThroughConstants.NO_KEEPALIVE);
    if ("true".equals(noKeepAlie)) {
        sourceResponse.setKeepAlive(false);
    } else {
        // If the payload is delayed for GET/HEAD/DELETE, http-core-nio will start processing request, without
        // waiting for the payload. Therefore the delayed payload will be appended to the next request. To avoid
        // that, disable keep-alive to avoid re-using the existing connection by client for the next request.
        if (sourceRequest != null) {
            String requestMethod = sourceRequest.getRequest().getRequestLine().getMethod();
            if (requestMethod != null && isPayloadOptionalMethod(requestMethod.toUpperCase())
                    && (sourceRequest.getHeaders().containsKey(HTTP.CONTENT_LEN)
                            || sourceRequest.getHeaders().containsKey(HTTP.TRANSFER_ENCODING))) {
                if (log.isDebugEnabled()) {
                    log.debug("Disable keep-alive in the client connection : Content-length/Transfer-encoding"
                            + " headers present for GET/HEAD/DELETE request");
                }
                sourceResponse.setKeepAlive(false);
            }
        }
    }
    return sourceResponse;
}

Example usage for org.apache.http.protocol HTTP TRANSFER_ENCODING

Introduction

Prototype

Usage