com.bluenimble.platform.http.utils.Http Maven / Gradle / Ivy
/*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The ASF licenses this file to You under the Apache License, Version 2.0
* (the "License"); you may not use this file except in compliance with
* the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package com.bluenimble.platform.http.utils;
import java.net.InetSocketAddress;
import java.net.Proxy;
import java.net.URI;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.Iterator;
import java.util.List;
import java.util.Map;
import com.bluenimble.platform.Json;
import com.bluenimble.platform.api.ApiStreamSource;
import com.bluenimble.platform.http.HttpClient;
import com.bluenimble.platform.http.HttpClientException;
import com.bluenimble.platform.http.HttpEndpoint;
import com.bluenimble.platform.http.HttpHeader;
import com.bluenimble.platform.http.HttpHeaders;
import com.bluenimble.platform.http.HttpMessageBody;
import com.bluenimble.platform.http.HttpMethods;
import com.bluenimble.platform.http.HttpParameter;
import com.bluenimble.platform.http.impls.DefaultHttpClient;
import com.bluenimble.platform.http.impls.HttpHeaderImpl;
import com.bluenimble.platform.http.impls.HttpMessageBodyImpl;
import com.bluenimble.platform.http.impls.HttpParameterImpl;
import com.bluenimble.platform.http.impls.InputStreamHttpMessageBodyPart;
import com.bluenimble.platform.http.impls.StringHttpMessageBodyPart;
import com.bluenimble.platform.http.request.HttpRequest;
import com.bluenimble.platform.http.request.HttpRequestVisitor;
import com.bluenimble.platform.http.request.impls.AbstractHttpRequest;
import com.bluenimble.platform.http.request.impls.DeleteRequest;
import com.bluenimble.platform.http.request.impls.GetRequest;
import com.bluenimble.platform.http.request.impls.HeadRequest;
import com.bluenimble.platform.http.request.impls.PostRequest;
import com.bluenimble.platform.http.request.impls.PutRequest;
import com.bluenimble.platform.http.response.HttpResponse;
import com.bluenimble.platform.json.JsonObject;
public class Http {
public interface Spec {
String Verb = "verb";
String Url = "url";
String Data = "data";
String Headers = "headers";
interface proxy {
String Type = "type";
String Endpoint = "endpoint";
String Port = "port";
interface auth {
String user = "user";
String password = "password";
}
}
interface timeouts {
String Connect = "connect";
String Read = "read";
}
}
private static HttpClient Client;
static {
try {
Client = new DefaultHttpClient ();
} catch (Exception e) {
throw new RuntimeException (e.getMessage (), e);
}
}
private static final Map> Requests = new HashMap> ();
static {
Requests.put (HttpMethods.GET, GetRequest.class);
Requests.put (HttpMethods.POST, PostRequest.class);
Requests.put (HttpMethods.PUT, PutRequest.class);
Requests.put (HttpMethods.DELETE, DeleteRequest.class);
Requests.put (HttpMethods.HEAD, HeadRequest.class);
}
public static HttpResponse get (JsonObject spec, HttpRequestVisitor visitor) throws HttpClientException {
return send (request (HttpMethods.GET, spec, visitor));
}
public static HttpResponse post (JsonObject spec, HttpRequestVisitor visitor) throws HttpClientException {
return send (request (HttpMethods.POST, spec, visitor));
}
public static HttpResponse put (JsonObject spec, HttpRequestVisitor visitor) throws HttpClientException {
return send (request (HttpMethods.PUT, spec, visitor));
}
public static HttpResponse delete (JsonObject spec, HttpRequestVisitor visitor) throws HttpClientException {
return send (request (HttpMethods.DELETE, spec, visitor));
}
public static HttpResponse head (JsonObject spec, HttpRequestVisitor visitor) throws HttpClientException {
return send (request (HttpMethods.HEAD, spec, visitor));
}
public static HttpRequest request (JsonObject spec, HttpRequestVisitor visitor) throws HttpClientException {
return request (Json.getString (spec, Spec.Verb, HttpMethods.GET), spec, visitor);
}
private static HttpRequest request (String verb, JsonObject spec, HttpRequestVisitor visitor) throws HttpClientException {
verb = verb.toUpperCase ();
Class requestClass = Requests.get (verb);
if (requestClass == null) {
throw new HttpClientException ("unsupported http method " + verb);
}
String url = Json.getString (spec, Spec.Url);
AbstractHttpRequest request;
try {
request = requestClass.getConstructor (new Class [] { HttpEndpoint.class })
.newInstance (
HttpUtils.createEndpoint (new URI (url))
);
} catch (Exception ex) {
throw new HttpClientException (ex.getMessage (), ex);
}
request.setVisitor (visitor);
// add timeouts
JsonObject oTimeouts = Json.getObject (spec, Spec.timeouts.class.getSimpleName ());
if (oTimeouts != null && !oTimeouts.isEmpty ()) {
int connectTimeout = Json.getInteger (oTimeouts, Spec.timeouts.Connect, 0);
if (connectTimeout > 100) {
request.setConnectTimeout (connectTimeout);
}
int readTimeout = Json.getInteger (oTimeouts, Spec.timeouts.Read, 0);
if (readTimeout > 100) {
request.setReadTimeout (readTimeout);
}
}
// add proxy
JsonObject oProxy = Json.getObject (spec, Spec.proxy.class.getSimpleName ());
if (oProxy != null && !oProxy.isEmpty ()) {
Proxy.Type proxyType = Proxy.Type.valueOf (Json.getString (oProxy, Spec.proxy.Type, Proxy.Type.HTTP.name ()).toUpperCase ());
int proxyPort = Json.getInteger (oProxy, Spec.proxy.Port, 8080);
Proxy proxy = new Proxy (
proxyType,
new InetSocketAddress (Json.getString (oProxy, Spec.proxy.Endpoint), proxyPort)
);
request.setProxy (proxy);
}
String contentType = null;
// add headers
JsonObject headers = Json.getObject (spec, Spec.Headers);
if (headers != null && !headers.isEmpty ()) {
List hHeaders = new ArrayList ();
request.setHeaders (hHeaders);
Iterator keys = headers.keys ();
while (keys.hasNext ()) {
String h = keys.next ();
String hv = String.valueOf (headers.get (h));
if (HttpHeaders.CONTENT_TYPE.toUpperCase ().equals (h.toUpperCase ())) {
contentType = hv;
} else {
hHeaders.add (new HttpHeaderImpl (h, hv));
}
}
headers.remove (HttpHeaders.CONTENT_TYPE);
}
request.setContentType (contentType);
// add params
JsonObject data = Json.getObject (spec, Spec.Data);
if (data != null && !data.isEmpty ()) {
if (ContentTypes.Json.equals (contentType)) {
HttpMessageBody body = new HttpMessageBodyImpl ();
request.setBody (body);
body.add (new StringHttpMessageBodyPart (data.toString ()));
} else {
List hParams = new ArrayList ();
request.setParameters (hParams);
Iterator keys = data.keys ();
while (keys.hasNext ()) {
String p = keys.next ();
hParams.add (new HttpParameterImpl (p, data.get (p)));
}
}
}
return request;
}
public static HttpResponse send (HttpRequest request) throws HttpClientException {
return Client.send (request);
}
public static void addStream (HttpRequest request, String name, ApiStreamSource ss) throws HttpClientException {
HttpMessageBody body = new HttpMessageBodyImpl ();
request.setBody (body);
body.add (new InputStreamHttpMessageBodyPart (name == null ? ss.name () : name, ss.name (), ss.stream ()));
}
}
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