Example usage for org.apache.http.client.methods HttpPatch HttpPatch

Introduction

In this page you can find the example usage for org.apache.http.client.methods HttpPatch HttpPatch.

Prototype

public HttpPatch(final String uri)

Source Link

Usage

From source file:ru.histone.resourceloaders.DefaultResourceLoader.java

private StreamResource loadHttpResource(URI location, Node[] args) {
    URI newLocation = URI.create(location.toString().replace("#fragment", ""));
    final Map<Object, Node> requestMap = args != null && args.length != 0
            && args[0] instanceof ObjectHistoneNode ? ((ObjectHistoneNode) args[0]).getElements()
                    : new HashMap<Object, Node>();
    Node methodNode = requestMap.get("method");
    final String method = methodNode != null && methodNode.isString()
            && methodNode.getAsString().getValue().length() != 0
                    ? requestMap.get("method").getAsString().getValue()
                    : "GET";
    final Map<String, String> headers = new HashMap<String, String>();
    if (requestMap.containsKey("headers")) {
        for (Map.Entry<Object, Node> en : requestMap.get("headers").getAsObject().getElements().entrySet()) {
            String value = null;//www  .java  2 s . c  o  m
            if (en.getValue().isUndefined())
                value = "undefined";
            else
                value = en.getValue().getAsString().getValue();
            headers.put(en.getKey().toString(), value);
        }
    }

    final Map<String, String> filteredHeaders = filterRequestHeaders(headers);
    final Node data = requestMap.containsKey("data") ? (Node) requestMap.get("data") : null;

    // Prepare request
    HttpRequestBase request = new HttpGet(newLocation);
    if ("POST".equalsIgnoreCase(method)) {
        request = new HttpPost(newLocation);
    } else if ("PUT".equalsIgnoreCase(method)) {
        request = new HttpPut(newLocation);
    } else if ("DELETE".equalsIgnoreCase(method)) {
        request = new HttpDelete(newLocation);
    } else if ("TRACE".equalsIgnoreCase(method)) {
        request = new HttpTrace(newLocation);
    } else if ("OPTIONS".equalsIgnoreCase(method)) {
        request = new HttpOptions(newLocation);
    } else if ("PATCH".equalsIgnoreCase(method)) {
        request = new HttpPatch(newLocation);
    } else if ("HEAD".equalsIgnoreCase(method)) {
        request = new HttpHead(newLocation);
    } else if (method != null && !"GET".equalsIgnoreCase(method)) {
        return new StreamResource(null, location.toString(), ContentType.TEXT);
    }

    for (Map.Entry<String, String> en : filteredHeaders.entrySet()) {
        request.setHeader(en.getKey(), en.getValue());
    }
    if (("POST".equalsIgnoreCase(method) || "PUT".equalsIgnoreCase(method)) && data != null) {
        String stringData = null;
        String contentType = filteredHeaders.get("content-type") == null ? ""
                : filteredHeaders.get("content-type");
        if (data.isObject()) {
            stringData = ToQueryString.toQueryString(data.getAsObject(), null, "&");
            contentType = "application/x-www-form-urlencoded";
        } else {
            stringData = data.getAsString().getValue();
        }
        if (stringData != null) {
            StringEntity se;
            try {
                se = new StringEntity(stringData);
            } catch (UnsupportedEncodingException e) {
                throw new ResourceLoadException(String.format("Can't encode data '%s'", stringData));
            }
            ((HttpEntityEnclosingRequestBase) request).setEntity(se);
        }
        request.setHeader("Content-Type", contentType);
    }
    if (request.getHeaders("content-Type").length == 0) {
        request.setHeader("Content-Type", "");
    }

    // Execute request
    HttpClient client = new DefaultHttpClient(httpClientConnectionManager);
    ((AbstractHttpClient) client).setRedirectStrategy(new RedirectStrategy());
    InputStream input = null;
    try {
        HttpResponse response = client.execute(request);
        input = response.getEntity() == null ? null : response.getEntity().getContent();
    } catch (IOException e) {
        throw new ResourceLoadException(String.format("Can't load resource '%s'", location.toString()));
    } finally {
    }
    return new StreamResource(input, location.toString(), ContentType.TEXT);
}