Example usage for org.apache.http.entity ContentProducer ContentProducer

List of usage examples for org.apache.http.entity ContentProducer ContentProducer

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Introduction

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

Prototype

ContentProducer

Source Link

Usage

From source file:org.wso2.esb.integration.common.utils.clients.SimpleHttpClient.java

/**
 * Send a HTTP OPTIONS request to the specified URL
 *
 * @param url         Target endpoint URL
 * @param headers     Any HTTP headers that should be added to the request
 * @param payload     Content payload that should be sent
 * @param contentType Content-type of the request
 * @return Returned HTTP response// www  . ja  v  a2  s.  c o  m
 * @throws IOException If an error occurs while making the invocation
 */
public HttpResponse doOptions(String url, final Map<String, String> headers, final String payload,
        String contentType) throws IOException {
    HttpUriRequest request = new HttpOptions(url);
    setHeaders(headers, request);
    if (payload != null) {
        HttpEntityEnclosingRequest entityEncReq = (HttpEntityEnclosingRequest) request;
        final boolean zip = headers != null && "gzip".equals(headers.get(HttpHeaders.CONTENT_ENCODING));

        EntityTemplate ent = new EntityTemplate(new ContentProducer() {
            public void writeTo(OutputStream outputStream) throws IOException {
                OutputStream out = outputStream;
                if (zip) {
                    out = new GZIPOutputStream(outputStream);
                }
                out.write(payload.getBytes());
                out.flush();
                out.close();
            }
        });
        ent.setContentType(contentType);
        if (zip) {
            ent.setContentEncoding("gzip");
        }
        entityEncReq.setEntity(ent);
    }
    return client.execute(request);
}

From source file:org.apache.jena.web.DatasetGraphAccessorHTTP.java

/** Create an HttpEntity for the graph */
protected HttpEntity graphToHttpEntity(final Graph graph) {

    final RDFFormat syntax = getOutboundSyntax();
    ContentProducer producer = new ContentProducer() {
        @Override//from  w w w  .  j a  v  a 2 s .c o m
        public void writeTo(OutputStream out) {
            RDFDataMgr.write(out, graph, syntax);
        }
    };

    EntityTemplate entity = new EntityTemplate(producer);
    String ct = syntax.getLang().getContentType().getContentType();
    entity.setContentType(ct);
    return entity;
}

From source file:com.caucho.hessian.client.HessianProxy.java

/**
 * Sends the HTTP request to the Hessian connection.
 *///www . j av a2 s  .  c o m
protected HessianConnection sendRequest(final String methodName, final Object[] args) throws IOException {
    HessianConnection conn = null;

    boolean isValid = false;
    try {
        conn = _factory.getConnectionFactory().open(_url);
        addRequestHeaders(conn);

        ContentProducer contentProducer = new ContentProducer() {
            public void writeTo(OutputStream outstream) throws IOException {
                try {
                    AbstractHessianOutput out = _factory.getHessianOutput(outstream);

                    out.call(methodName, args);
                    out.flush();
                } catch (Exception e) {
                    throw new HessianRuntimeException(e);
                }
            }
        };

        conn.setContentProducer(contentProducer);
        conn.sendRequest();

        isValid = true;

    } catch (Exception ex) {
        ex.printStackTrace();
    } finally {
        if (!isValid && conn != null)
            conn.destroy();
    }
    return conn;
}

From source file:org.apache.marmotta.client.clients.ResourceClient.java

/**
 * Update (overwrite) the metadata of the resource identified by the given uri. The metadata will be serialised to
 * application/json and sent to the Apache Marmotta server. The given metadata will override any metadata
 * for the resource already existing on the server. The resource has to exist or be created before updating, otherwise
 * the method will throw a NotFoundException.
 *
 * @param uri        the URI of the resource to update
 * @param metadata   the metadata to upload to the resource
 * @throws IOException/*from ww  w.  j  ava  2s  .c om*/
 * @throws MarmottaClientException
 */
public void updateResourceMetadata(final String uri, final Metadata metadata)
        throws IOException, MarmottaClientException {
    HttpClient httpClient = HTTPUtil.createClient(config);

    HttpPut put = new HttpPut(getServiceUrl(uri));
    put.setHeader("Content-Type", "application/rdf+json; rel=meta");
    ContentProducer cp = new ContentProducer() {
        @Override
        public void writeTo(OutputStream outstream) throws IOException {
            RDFJSONParser.serializeRDFJSON(ImmutableMap.of(uri, metadata), outstream);
        }
    };
    put.setEntity(new EntityTemplate(cp));

    try {

        HttpResponse response = httpClient.execute(put);

        switch (response.getStatusLine().getStatusCode()) {
        case 200:
            log.debug("metadata for resource {} updated", uri);
            break;
        case 415:
            log.error("server does not support metadata type application/json for resource {}, cannot update",
                    uri);
            throw new ContentFormatException(
                    "server does not support metadata type application/json for resource " + uri);
        case 404:
            log.error("resource {} does not exist, cannot update", uri);
            throw new NotFoundException("resource " + uri + " does not exist, cannot update");
        default:
            log.error("error updating resource {}: {} {}", new Object[] { uri,
                    response.getStatusLine().getStatusCode(), response.getStatusLine().getReasonPhrase() });
            throw new MarmottaClientException(
                    "error updating resource " + uri + ": " + response.getStatusLine().getStatusCode() + " "
                            + response.getStatusLine().getReasonPhrase());
        }

    } catch (UnsupportedEncodingException e) {
        log.error("could not encode URI parameter", e);
        throw new MarmottaClientException("could not encode URI parameter");
    } finally {
        put.releaseConnection();
    }
}

From source file:org.apache.marmotta.client.clients.ConfigurationClient.java

/**
 * Update the configuration "key" with the given value. Value can be either a list of values or one of the
 * primitive types String, Boolean, Integer, Double
 * @param key// www .ja  v  a2 s  .  c o m
 * @param value
 * @throws IOException
 * @throws MarmottaClientException
 */
public void setConfiguration(String key, final Object value) throws IOException, MarmottaClientException {
    HttpClient httpClient = HTTPUtil.createClient(config);

    String serviceUrl = config.getMarmottaUri() + URL_CONFIG_SERVICE + "/data/"
            + URLEncoder.encode(key, "utf-8");

    HttpPost post = new HttpPost(serviceUrl);
    post.setHeader("Content-Type", "application/json");
    ContentProducer cp = new ContentProducer() {
        @Override
        public void writeTo(OutputStream outstream) throws IOException {
            ObjectMapper mapper = new ObjectMapper();
            if (value instanceof Collection) {
                mapper.writeValue(outstream, value);
            } else {
                mapper.writeValue(outstream, Collections.singletonList(value.toString()));
            }
        }
    };
    post.setEntity(new EntityTemplate(cp));

    try {

        HttpResponse response = httpClient.execute(post);

        switch (response.getStatusLine().getStatusCode()) {
        case 200:
            log.debug("configuration {} updated successfully", key);
            break;
        case 404:
            log.error("configuration with key {} does not exist", key);
            throw new NotFoundException("configuration with key " + key + " does not exist");
        default:
            log.error("error updating configuration {}: {} {}", new Object[] { key,
                    response.getStatusLine().getStatusCode(), response.getStatusLine().getReasonPhrase() });
            throw new MarmottaClientException(
                    "error updating configuration " + key + ": " + response.getStatusLine().getStatusCode()
                            + " " + response.getStatusLine().getReasonPhrase());
        }

    } finally {
        post.releaseConnection();
    }
}

From source file:org.wso2.carbon.automation.extensions.servers.httpserver.SimpleHttpClient.java

/**
 * Send a HTTP PUT request to the specified URL
 *
 * @param url         Target endpoint URL
 * @param headers     Any HTTP headers that should be added to the request
 * @param payload     Content payload that should be sent
 * @param contentType Content-type of the request
 * @return Returned HTTP response/*w  w w  .  java2  s.  co  m*/
 * @throws IOException If an error occurs while making the invocation
 */
public HttpResponse doPut(String url, final Map<String, String> headers, final String payload,
        String contentType) throws IOException {
    HttpUriRequest request = new HttpPut(url);
    setHeaders(headers, request);
    HttpEntityEnclosingRequest entityEncReq = (HttpEntityEnclosingRequest) request;
    final boolean zip = headers != null && "gzip".equals(headers.get(HttpHeaders.CONTENT_ENCODING));

    EntityTemplate ent = new EntityTemplate(new ContentProducer() {
        public void writeTo(OutputStream outputStream) throws IOException {
            OutputStream out = outputStream;
            if (zip) {
                out = new GZIPOutputStream(outputStream);
            }
            out.write(payload.getBytes(Charset.defaultCharset()));
            out.flush();
            out.close();
        }
    });
    ent.setContentType(contentType);
    if (zip) {
        ent.setContentEncoding("gzip");
    }
    entityEncReq.setEntity(ent);
    return client.execute(request);
}

From source file:com.cellbots.logger.localServer.LocalHttpServer.java

public void handle(final HttpServerConnection conn, final HttpContext context)
        throws HttpException, IOException {
    HttpRequest request = conn.receiveRequestHeader();
    HttpResponse response = new BasicHttpResponse(new ProtocolVersion("HTTP", 1, 1), HttpStatus.SC_OK, "OK");

    String method = request.getRequestLine().getMethod().toUpperCase(Locale.ENGLISH);
    if (!method.equals("GET") && !method.equals("HEAD") && !method.equals("POST") && !method.equals("PUT")) {
        throw new MethodNotSupportedException(method + " method not supported");
    }// ww w.j a v  a2  s  .  c o m

    // Get the requested target. This is the string after the domain name in
    // the URL. If the full URL was http://mydomain.com/test.html, target
    // will be /test.html.
    String target = request.getRequestLine().getUri();
    // Log.w(TAG, "*** Request target: " + target);

    // Gets the requested resource name. For example, if the full URL was
    // http://mydomain.com/test.html?x=1&y=2, resource name will be
    // test.html
    final String resName = getResourceNameFromTarget(target);
    UrlParams params = new UrlParams(target);
    // Log.w(TAG, "*** Request LINE: " +
    // request.getRequestLine().toString());
    // Log.w(TAG, "*** Request resource: " + resName);
    if (method.equals("POST") || method.equals("PUT")) {
        byte[] entityContent = null;
        // Gets the content if the request has an entity.
        if (request instanceof HttpEntityEnclosingRequest) {
            conn.receiveRequestEntity((HttpEntityEnclosingRequest) request);
            HttpEntity entity = ((HttpEntityEnclosingRequest) request).getEntity();
            if (entity != null) {
                entityContent = EntityUtils.toByteArray(entity);
            }
        }
        response.setStatusCode(HttpStatus.SC_OK);
        if (serverListener != null) {
            serverListener.onRequest(resName, params.keys, params.values, entityContent);
        }
    } else if (dataMap.containsKey(resName)) { // The requested resource is
                                               // a byte array
        response.setStatusCode(HttpStatus.SC_OK);
        response.setHeader("Content-Type", dataMap.get(resName).contentType);
        response.setEntity(new ByteArrayEntity(dataMap.get(resName).resource));
    } else { // Return sensor readings
        String contentType = resourceMap.containsKey(resName) ? resourceMap.get(resName).contentType
                : "text/html";
        response.setStatusCode(HttpStatus.SC_OK);
        EntityTemplate body = new EntityTemplate(new ContentProducer() {
            @Override
            public void writeTo(final OutputStream outstream) throws IOException {
                OutputStreamWriter writer = new OutputStreamWriter(outstream, "UTF-8");
                writer.write(serverListener.getLoggerStatus());
                writer.flush();
            }
        });
        body.setContentType(contentType);
        response.setEntity(body);
    }
    conn.sendResponseHeader(response);
    conn.sendResponseEntity(response);
    conn.flush();
    conn.shutdown();
}

From source file:com.wills.clientproxy.HessianLBProxy.java

/**
 * Sends the HTTP request to the Hessian connection.
 *//*  www.  j  a va 2  s. co  m*/
protected HessianConnection sendRequest(final String methodName, final Object[] args, final URL currentUrl)
        throws IOException {
    HessianConnection conn = null;

    boolean isValid = false;
    try {
        conn = _factory.getConnectionFactory().open(currentUrl);
        addRequestHeaders(conn);

        ContentProducer contentProducer = new ContentProducer() {
            public void writeTo(OutputStream outstream) throws IOException {
                try {
                    AbstractHessianOutput out = _factory.getHessianOutput(outstream);

                    out.call(methodName, args);
                    out.flush();
                } catch (Exception e) {
                    throw new HessianRuntimeException(e);
                }
            }
        };

        conn.setContentProducer(contentProducer);
        conn.sendRequest();

        isValid = true;

    } catch (Exception ex) {
        ex.printStackTrace();
    } finally {
        if (!isValid && conn != null)
            conn.destroy();
    }
    return conn;
}

From source file:org.apache.jena.fuseki.embedded.TestEmbeddedFuseki.java

/** Create an HttpEntity for the graph */
protected static HttpEntity graphToHttpEntity(final Graph graph) {
    final RDFFormat syntax = RDFFormat.TURTLE_BLOCKS;
    ContentProducer producer = new ContentProducer() {
        @Override/*www  .  j  a va  2 s.  c  o m*/
        public void writeTo(OutputStream out) {
            RDFDataMgr.write(out, graph, syntax);
        }
    };
    EntityTemplate entity = new EntityTemplate(producer);
    ContentType ct = syntax.getLang().getContentType();
    entity.setContentType(ct.getContentType());
    return entity;
}

From source file:org.wso2.esb.integration.common.utils.clients.SimpleHttpClient.java

/**
 * Send a HTTP PUT request to the specified URL
 *
 * @param url         Target endpoint URL
 * @param headers     Any HTTP headers that should be added to the request
 * @param payload     Content payload that should be sent
 * @param contentType Content-type of the request
 * @return Returned HTTP response// www  . j  a v  a 2 s .c o m
 * @throws IOException If an error occurs while making the invocation
 */
public HttpResponse doPut(String url, final Map<String, String> headers, final String payload,
        String contentType) throws IOException {
    HttpUriRequest request = new HttpPut(url);
    setHeaders(headers, request);
    HttpEntityEnclosingRequest entityEncReq = (HttpEntityEnclosingRequest) request;
    final boolean zip = headers != null && "gzip".equals(headers.get(HttpHeaders.CONTENT_ENCODING));

    EntityTemplate ent = new EntityTemplate(new ContentProducer() {
        public void writeTo(OutputStream outputStream) throws IOException {
            OutputStream out = outputStream;
            if (zip) {
                out = new GZIPOutputStream(outputStream);
            }
            out.write(payload.getBytes());
            out.flush();
            out.close();
        }
    });
    ent.setContentType(contentType);
    if (zip) {
        ent.setContentEncoding("gzip");
    }
    entityEncReq.setEntity(ent);
    return client.execute(request);
}