Example usage for org.springframework.http HttpHeaders isEmpty

Introduction

In this page you can find the example usage for org.springframework.http HttpHeaders isEmpty.

Prototype

@Override
    public boolean isEmpty() 

Source Link

Usage

From source file:com.appglu.impl.SyncTemplate.java

/**
 * {@inheritDoc}//from  ww w .  j av a  2s .  c o m
 */
public void downloadChangesForTables(final List<TableVersion> tables,
        final InputStreamCallback inputStreamCallback) throws AppGluRestClientException {
    RequestCallback requestCallback = new RequestCallback() {
        public void doWithRequest(ClientHttpRequest request) throws IOException {
            HttpEntity<Object> requestEntity = new HttpEntity<Object>(new TableVersionBody(tables));

            HttpHeaders requestHeaders = requestEntity.getHeaders();
            if (!requestHeaders.isEmpty()) {
                request.getHeaders().putAll(requestHeaders);
            }

            jsonMessageConverter.write(requestEntity.getBody(), requestHeaders.getContentType(), request);
        }
    };

    ResponseExtractor<Object> responseExtractor = new ResponseExtractor<Object>() {
        public Object extractData(ClientHttpResponse response) throws IOException {
            inputStreamCallback.doWithInputStream(response.getBody());
            return null;
        }
    };

    try {
        this.restOperations.execute(CHANGES_FOR_TABLES_URL, HttpMethod.POST, requestCallback,
                responseExtractor);
    } catch (RestClientException e) {
        throw new AppGluRestClientException(e.getMessage(), e);
    }
}

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From source file:com.onedrive.api.internal.MultipartRelatedHttpMessageConverter.java

@SuppressWarnings("unchecked")
private void writePart(String name, HttpEntity<?> partEntity, OutputStream os) throws IOException {
    Object partBody = partEntity.getBody();
    Class<?> partType = partBody.getClass();
    HttpHeaders partHeaders = partEntity.getHeaders();
    MediaType partContentType = partHeaders.getContentType();
    for (HttpMessageConverter<?> messageConverter : this.partConverters) {
        if (messageConverter.canWrite(partType, partContentType)) {
            HttpOutputMessage multipartMessage = new MultipartHttpOutputMessage(os);
            StringBuilder builder = new StringBuilder("<").append(name).append('>');
            multipartMessage.getHeaders().set("Content-ID", builder.toString());
            if (!partHeaders.isEmpty()) {
                multipartMessage.getHeaders().putAll(partHeaders);
            }/*from w w w  .j av  a  2  s.c o m*/
            ((HttpMessageConverter<Object>) messageConverter).write(partBody, partContentType,
                    multipartMessage);
            return;
        }
    }
    throw new HttpMessageNotWritableException("Could not write request: no suitable HttpMessageConverter "
            + "found for request type [" + partType.getName() + "]");
}

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From source file:com.httpMessageConvert.FormHttpMessageConverter.java

@SuppressWarnings("unchecked")
private void writePart(String name, HttpEntity partEntity, OutputStream os) throws IOException {
    Object partBody = partEntity.getBody();
    Class<?> partType = partBody.getClass();
    HttpHeaders partHeaders = partEntity.getHeaders();
    MediaType partContentType = partHeaders.getContentType();
    for (HttpMessageConverter messageConverter : partConverters) {
        if (messageConverter.canWrite(partType, partContentType)) {
            HttpOutputMessage multipartOutputMessage = new MultipartHttpOutputMessage(os);
            multipartOutputMessage.getHeaders().setContentDispositionFormData(name, getFilename(partBody));
            if (!partHeaders.isEmpty()) {
                multipartOutputMessage.getHeaders().putAll(partHeaders);
            }//from w  w w  .  ja v a 2  s.  c  om
            messageConverter.write(partBody, partContentType, multipartOutputMessage);
            return;
        }
    }
    throw new HttpMessageNotWritableException(
            "Could not write request: no suitable HttpMessageConverter found for request type ["
                    + partType.getName() + "]");
}

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From source file:org.cloudfoundry.client.lib.rest.CloudControllerClientImpl.java

@Override
public StartingInfo startApplication(String appName) {
    CloudApplication app = getApplication(appName);
    if (app.getState() != CloudApplication.AppState.STARTED) {
        HashMap<String, Object> appRequest = new HashMap<String, Object>();
        appRequest.put("state", CloudApplication.AppState.STARTED);

        HttpEntity<Object> requestEntity = new HttpEntity<Object>(appRequest);
        ResponseEntity<String> entity = getRestTemplate().exchange(getUrl("/v2/apps/{guid}?stage_async=true"),
                HttpMethod.PUT, requestEntity, String.class, app.getMeta().getGuid());

        HttpHeaders headers = entity.getHeaders();

        // Return a starting info, even with a null staging log value, as a non-null starting info
        // indicates that the response entity did have headers. The API contract is to return starting info
        // if there are headers in the response, null otherwise.
        if (headers != null && !headers.isEmpty()) {
            String stagingFile = headers.getFirst("x-app-staging-log");

            if (stagingFile != null) {
                try {
                    stagingFile = URLDecoder.decode(stagingFile, "UTF-8");
                } catch (UnsupportedEncodingException e) {
                    logger.error("unexpected inability to UTF-8 decode", e);
                }/* w  w w . j a v  a 2 s  .c  o m*/
            }
            // Return the starting info even if decoding failed or staging file is null
            return new StartingInfo(stagingFile);
        }
    }
    return null;
}

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From source file:org.infoscoop.api.oauth2.provider.ISOAuth2ExceptionRenderer.java

public void handleHttpEntityResponse(HttpEntity<?> responseEntity, ServletWebRequest webRequest)
        throws Exception {
    if (responseEntity == null) {
        return;/*  w w w.java2 s  .com*/
    }
    HttpInputMessage inputMessage = createHttpInputMessage(webRequest);
    HttpOutputMessage outputMessage = createHttpOutputMessage(webRequest);
    HttpStatus statusCode = null;
    if (responseEntity instanceof ResponseEntity && outputMessage instanceof ServerHttpResponse) {
        statusCode = ((ResponseEntity<?>) responseEntity).getStatusCode();
        ((ServerHttpResponse) outputMessage).setStatusCode(statusCode);
    }
    HttpHeaders entityHeaders = responseEntity.getHeaders();
    if (!entityHeaders.isEmpty()) {
        outputMessage.getHeaders().putAll(entityHeaders);
    }
    Object body = responseEntity.getBody();
    if (body != null) {
        writeWithMessageConverters(body, inputMessage, outputMessage, statusCode, webRequest.getRequest());
    } else {
        // flush headers
        outputMessage.getBody();
    }
}

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From source file:org.springframework.cloud.netflix.eureka.http.RestTemplateEurekaHttpClient.java

private static Map<String, String> headersOf(ResponseEntity<?> response) {
    HttpHeaders httpHeaders = response.getHeaders();
    if (httpHeaders == null || httpHeaders.isEmpty()) {
        return Collections.emptyMap();
    }//from   w w  w  .j  a  v a 2s .c o  m
    Map<String, String> headers = new HashMap<>();
    for (Entry<String, List<String>> entry : httpHeaders.entrySet()) {
        if (!entry.getValue().isEmpty()) {
            headers.put(entry.getKey(), entry.getValue().get(0));
        }
    }
    return headers;
}

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From source file:org.springframework.http.converter.FormHttpMessageConverter.java

@SuppressWarnings("unchecked")
private void writePart(String name, HttpEntity<?> partEntity, OutputStream os) throws IOException {
    Object partBody = partEntity.getBody();
    if (partBody == null) {
        throw new IllegalStateException("Empty body for part '" + name + "': " + partEntity);
    }/*from ww  w .  j  ava  2s  .  com*/
    Class<?> partType = partBody.getClass();
    HttpHeaders partHeaders = partEntity.getHeaders();
    MediaType partContentType = partHeaders.getContentType();
    for (HttpMessageConverter<?> messageConverter : this.partConverters) {
        if (messageConverter.canWrite(partType, partContentType)) {
            Charset charset = isFilenameCharsetSet() ? StandardCharsets.US_ASCII : this.charset;
            HttpOutputMessage multipartMessage = new MultipartHttpOutputMessage(os, charset);
            multipartMessage.getHeaders().setContentDispositionFormData(name, getFilename(partBody));
            if (!partHeaders.isEmpty()) {
                multipartMessage.getHeaders().putAll(partHeaders);
            }
            ((HttpMessageConverter<Object>) messageConverter).write(partBody, partContentType,
                    multipartMessage);
            return;
        }
    }
    throw new HttpMessageNotWritableException("Could not write request: no suitable HttpMessageConverter "
            + "found for request type [" + partType.getName() + "]");
}

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From source file:org.springframework.security.oauth2.provider.error.DefaultOAuth2ExceptionRenderer.java

public void handleHttpEntityResponse(HttpEntity<?> responseEntity, ServletWebRequest webRequest)
        throws Exception {
    if (responseEntity == null) {
        return;/*from  w w  w  .jav  a 2  s.  c om*/
    }
    HttpInputMessage inputMessage = createHttpInputMessage(webRequest);
    HttpOutputMessage outputMessage = createHttpOutputMessage(webRequest);
    if (responseEntity instanceof ResponseEntity && outputMessage instanceof ServerHttpResponse) {
        ((ServerHttpResponse) outputMessage)
                .setStatusCode(((ResponseEntity<?>) responseEntity).getStatusCode());
    }
    HttpHeaders entityHeaders = responseEntity.getHeaders();
    if (!entityHeaders.isEmpty()) {
        outputMessage.getHeaders().putAll(entityHeaders);
    }
    Object body = responseEntity.getBody();
    if (body != null) {
        writeWithMessageConverters(body, inputMessage, outputMessage);
    } else {
        // flush headers
        outputMessage.getBody();
    }
}

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