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/*
* Copyright 2014 Red Hat, Inc.
*
* All rights reserved. This program and the accompanying materials
* are made available under the terms of the Eclipse Public License v1.0
* and Apache License v2.0 which accompanies this distribution.
*
* The Eclipse Public License is available at
* http://www.eclipse.org/legal/epl-v10.html
*
* The Apache License v2.0 is available at
* http://www.opensource.org/licenses/apache2.0.php
*
* You may elect to redistribute this code under either of these licenses.
*/
package examples;
import io.vertx.core.MultiMap;
import io.vertx.core.Vertx;
import io.vertx.core.buffer.Buffer;
import io.vertx.core.file.AsyncFile;
import io.vertx.core.http.*;
import io.vertx.core.streams.Pump;
/**
* Created by tim on 09/01/15.
*/
public class HTTPExamples {
public void example1(Vertx vertx) {
HttpServer server = vertx.createHttpServer();
}
public void example2(Vertx vertx) {
HttpServerOptions options = new HttpServerOptions().setMaxWebsocketFrameSize(1000000);
HttpServer server = vertx.createHttpServer(options);
}
public void example3(Vertx vertx) {
HttpServer server = vertx.createHttpServer();
server.listen();
}
public void example4(Vertx vertx) {
HttpServer server = vertx.createHttpServer();
server.listen(8080, "myhost.com");
}
public void example5(Vertx vertx) {
HttpServer server = vertx.createHttpServer();
server.listen(8080, "myhost.com", res -> {
if (res.succeeded()) {
System.out.println("Server is now listening!");
} else {
System.out.println("Failed to bind!");
}
});
}
public void example6(Vertx vertx) {
HttpServer server = vertx.createHttpServer();
server.requestHandler(request -> {
// Handle the request in here
});
}
public void example7(Vertx vertx) {
HttpServer server = vertx.createHttpServer();
server.requestHandler(request -> {
// Handle the request in here
HttpMethod method = request.method();
});
}
public void example7_1(Vertx vertx) {
vertx.createHttpServer().requestHandler(request -> {
request.response().end("Hello world");
}).listen(8080);
}
public void example8(HttpServerRequest request) {
MultiMap headers = request.headers();
// Get the User-Agent:
System.out.println("User agent is " + headers.get("user-agent"));
// You can also do this and get the same result:
System.out.println("User agent is " + headers.get("User-Agent"));
}
public void example9(HttpServerRequest request) {
request.handler(buffer -> {
System.out.println("I have received a chunk of the body of length " + buffer.length());
});
}
public void example10(HttpServerRequest request) {
// Create an empty buffer
Buffer totalBuffer = Buffer.buffer();
request.handler(buffer -> {
System.out.println("I have received a chunk of the body of length " + buffer.length());
totalBuffer.appendBuffer(buffer);
});
request.endHandler(v -> {
System.out.println("Full body received, length = " + totalBuffer.length());
});
}
public void example11(HttpServerRequest request) {
request.bodyHandler(totalBuffer -> {
System.out.println("Full body received, length = " + totalBuffer.length());
});
}
public void example12(HttpServer server) {
server.requestHandler(request -> {
request.setExpectMultipart(true);
request.endHandler(v -> {
// The body has now been fully read, so retrieve the form attributes
MultiMap formAttributes = request.formAttributes();
});
});
}
public void example13(HttpServer server) {
server.requestHandler(request -> {
request.setExpectMultipart(true);
request.uploadHandler(upload -> {
System.out.println("Got a file upload " + upload.name());
});
});
}
public void example14(HttpServerRequest request) {
request.uploadHandler(upload -> {
upload.handler(chunk -> {
System.out.println("Received a chunk of the upload of length " + chunk.length());
});
});
}
public void example15(HttpServerRequest request) {
request.uploadHandler(upload -> {
upload.streamToFileSystem("myuploads_directory/" + upload.filename());
});
}
public void example16(HttpServerRequest request, Buffer buffer) {
HttpServerResponse response = request.response();
response.write(buffer);
}
public void example17(HttpServerRequest request) {
HttpServerResponse response = request.response();
response.write("hello world!");
}
public void example18(HttpServerRequest request) {
HttpServerResponse response = request.response();
response.write("hello world!", "UTF-16");
}
public void example19(HttpServerRequest request) {
HttpServerResponse response = request.response();
response.write("hello world!");
response.end();
}
public void example20(HttpServerRequest request) {
HttpServerResponse response = request.response();
response.end("hello world!");
}
public void example21(HttpServerRequest request) {
HttpServerResponse response = request.response();
MultiMap headers = response.headers();
headers.set("content-type", "text/html");
headers.set("other-header", "wibble");
}
public void example22(HttpServerRequest request) {
HttpServerResponse response = request.response();
response.putHeader("content-type", "text/html").putHeader("other-header", "wibble");
}
public void example23(HttpServerRequest request) {
HttpServerResponse response = request.response();
response.setChunked(true);
}
public void example24(HttpServerRequest request) {
HttpServerResponse response = request.response();
response.setChunked(true);
MultiMap trailers = response.trailers();
trailers.set("X-wibble", "woobble").set("X-quux", "flooble");
}
public void example25(HttpServerRequest request) {
HttpServerResponse response = request.response();
response.setChunked(true);
response.putTrailer("X-wibble", "woobble").putTrailer("X-quux", "flooble");
}
public void example26(Vertx vertx) {
vertx.createHttpServer().requestHandler(request -> {
String file = "";
if (request.path().equals("/")) {
file = "index.html";
} else if (!request.path().contains("..")) {
file = request.path();
}
request.response().sendFile("web/" + file);
}).listen(8080);
}
public void example26b(Vertx vertx) {
vertx.createHttpServer().requestHandler(request -> {
long offset = 0;
try {
offset = Long.parseLong(request.getParam("start"));
} catch (NumberFormatException e) {
// error handling...
}
long end = Long.MAX_VALUE;
try {
end = Long.parseLong(request.getParam("end"));
} catch (NumberFormatException e) {
// error handling...
}
request.response().sendFile("web/mybigfile.txt", offset, end);
}).listen(8080);
}
public void example26c(Vertx vertx) {
vertx.createHttpServer().requestHandler(request -> {
long offset = 0;
try {
offset = Long.parseLong(request.getParam("start"));
} catch (NumberFormatException e) {
// error handling...
}
request.response().sendFile("web/mybigfile.txt", offset);
}).listen(8080);
}
public void example27(Vertx vertx) {
vertx.createHttpServer().requestHandler(request -> {
HttpServerResponse response = request.response();
if (request.method() == HttpMethod.PUT) {
response.setChunked(true);
Pump.pump(request, response).start();
request.endHandler(v -> response.end());
} else {
response.setStatusCode(400).end();
}
}).listen(8080);
}
public void example28(Vertx vertx) {
HttpClient client = vertx.createHttpClient();
}
public void example29(Vertx vertx) {
HttpClientOptions options = new HttpClientOptions().setKeepAlive(false);
HttpClient client = vertx.createHttpClient(options);
}
public void example30(Vertx vertx) {
// Set the default host
HttpClientOptions options = new HttpClientOptions().setDefaultHost("wibble.com");
// Can also set default port if you want...
HttpClient client = vertx.createHttpClient(options);
client.getNow("/some-uri", response -> {
System.out.println("Received response with status code " + response.statusCode());
});
}
public void example31(Vertx vertx) {
HttpClient client = vertx.createHttpClient();
// Specify both port and host name
client.getNow(8080, "myserver.mycompany.com", "/some-uri", response -> {
System.out.println("Received response with status code " + response.statusCode());
});
// This time use the default port 80 but specify the host name
client.getNow("foo.othercompany.com", "/other-uri", response -> {
System.out.println("Received response with status code " + response.statusCode());
});
}
public void example32(Vertx vertx) {
HttpClient client = vertx.createHttpClient();
// Send a GET request
client.getNow("/some-uri", response -> {
System.out.println("Received response with status code " + response.statusCode());
});
// Send a GET request
client.headNow("/other-uri", response -> {
System.out.println("Received response with status code " + response.statusCode());
});
}
public void example33(Vertx vertx) {
HttpClient client = vertx.createHttpClient();
client.request(HttpMethod.GET, "some-uri", response -> {
System.out.println("Received response with status code " + response.statusCode());
}).end();
client.request(HttpMethod.POST, "foo-uri", response -> {
System.out.println("Received response with status code " + response.statusCode());
}).end("some-data");
}
public void example34(Vertx vertx, String body) {
HttpClient client = vertx.createHttpClient();
HttpClientRequest request = client.post("some-uri", response -> {
System.out.println("Received response with status code " + response.statusCode());
});
// Now do stuff with the request
request.putHeader("content-length", "1000");
request.putHeader("content-type", "text/plain");
request.write(body);
// Make sure the request is ended when you're done with it
request.end();
// Or fluently:
client.post("some-uri", response -> {
System.out.println("Received response with status code " + response.statusCode());
}).putHeader("content-length", "1000").putHeader("content-type", "text/plain").write(body).end();
// Or event more simply:
client.post("some-uri", response -> {
System.out.println("Received response with status code " + response.statusCode());
}).putHeader("content-type", "text/plain").end(body);
}
public void example35(HttpClientRequest request) {
// Write string encoded in UTF-8
request.write("some data");
// Write string encoded in specific encoding
request.write("some other data", "UTF-16");
// Write a buffer
Buffer buffer = Buffer.buffer();
buffer.appendInt(123).appendLong(245l);
request.write(buffer);
}
public void example36(HttpClientRequest request) {
// Write string and end the request (send it) in a single call
request.end("some simple data");
// Write buffer and end the request (send it) in a single call
Buffer buffer = Buffer.buffer().appendDouble(12.34d).appendLong(432l);
request.end(buffer);
}
public void example37(HttpClientRequest request) {
// Write some headers using the headers() multimap
MultiMap headers = request.headers();
headers.set("content-type", "application/json").set("other-header", "foo");
}
public void example38(HttpClientRequest request) {
// Write some headers using the putHeader method
request.putHeader("content-type", "application/json").putHeader("other-header", "foo");
}
public void example39(HttpClientRequest request) {
request.end();
}
public void example40(HttpClientRequest request) {
// End the request with a string
request.end("some-data");
// End it with a buffer
Buffer buffer = Buffer.buffer().appendFloat(12.3f).appendInt(321);
request.end(buffer);
}
public void example41(HttpClientRequest request) {
request.setChunked(true);
// Write some chunks
for (int i = 0; i < 10; i++) {
request.write("this-is-chunk-" + i);
}
request.end();
}
public void example42(HttpClient client) {
HttpClientRequest request = client.post("some-uri", response -> {
System.out.println("Received response with status code " + response.statusCode());
});
request.exceptionHandler(e -> {
System.out.println("Received exception: " + e.getMessage());
e.printStackTrace();
});
}
public void statusCodeHandling(HttpClient client) {
HttpClientRequest request = client.post("some-uri", response -> {
if (response.statusCode() == 200) {
System.out.println("Everything fine");
return;
}
if (response.statusCode() == 500) {
System.out.println("Unexpected behavior on the server side");
return;
}
});
request.end();
}
public void example43(HttpClient client) {
HttpClientRequest request = client.post("some-uri");
request.handler(response -> {
System.out.println("Received response with status code " + response.statusCode());
});
}
public void example44(HttpClientRequest request, AsyncFile file) {
request.setChunked(true);
Pump pump = Pump.pump(file, request);
file.endHandler(v -> request.end());
pump.start();
}
public void example45(HttpClient client) {
client.getNow("some-uri", response -> {
// the status code - e.g. 200 or 404
System.out.println("Status code is " + response.statusCode());
// the status message e.g. "OK" or "Not Found".
System.out.println("Status message is " + response.statusMessage());
});
}
public void example46(HttpClientResponse response) {
String contentType = response.headers().get("content-type");
String contentLength = response.headers().get("content-lengh");
}
public void example47(HttpClient client) {
client.getNow("some-uri", response -> {
response.handler(buffer -> {
System.out.println("Received a part of the response body: " + buffer);
});
});
}
public void example48(HttpClient client) {
client.getNow("some-uri", response -> {
// Create an empty buffer
Buffer totalBuffer = Buffer.buffer();
response.handler(buffer -> {
System.out.println("Received a part of the response body: " + buffer.length());
totalBuffer.appendBuffer(buffer);
});
response.endHandler(v -> {
// Now all the body has been read
System.out.println("Total response body length is " + totalBuffer.length());
});
});
}
public void example49(HttpClient client) {
client.getNow("some-uri", response -> {
response.bodyHandler(totalBuffer -> {
// Now all the body has been read
System.out.println("Total response body length is " + totalBuffer.length());
});
});
}
public void example50(HttpClient client) {
HttpClientRequest request = client.put("some-uri", response -> {
System.out.println("Received response with status code " + response.statusCode());
});
request.putHeader("Expect", "100-Continue");
request.continueHandler(v -> {
// OK to send rest of body
request.write("Some data");
request.write("Some more data");
request.end();
});
}
public void example50_1(HttpServer httpServer) {
httpServer.requestHandler(request -> {
if (request.getHeader("Expect").equalsIgnoreCase("100-Continue")) {
// Send a 100 continue response
request.response().writeContinue();
// The client should send the body when it receives the 100 response
request.bodyHandler(body -> {
// Do something with body
});
request.endHandler(v -> {
request.response().end();
});
}
});
}
public void example50_2(HttpServer httpServer) {
httpServer.requestHandler(request -> {
if (request.getHeader("Expect").equalsIgnoreCase("100-Continue")) {
//
boolean rejectAndClose = true;
if (rejectAndClose) {
// Reject with a failure code and close the connection
// this is probably best with persistent connection
request.response()
.setStatusCode(405)
.putHeader("Connection", "close")
.end();
} else {
// Reject with a failure code and ignore the body
// this may be appropriate if the body is small
request.response()
.setStatusCode(405)
.end();
}
}
});
}
public void example51(HttpServer server) {
server.websocketHandler(websocket -> {
System.out.println("Connected!");
});
}
public void example52(HttpServer server) {
server.websocketHandler(websocket -> {
if (websocket.path().equals("/myapi")) {
websocket.reject();
} else {
// Do something
}
});
}
public void example53(HttpServer server) {
server.requestHandler(request -> {
if (request.path().equals("/myapi")) {
ServerWebSocket websocket = request.upgrade();
// Do something
} else {
// Reject
request.response().setStatusCode(400).end();
}
});
}
public void example54(HttpClient client) {
client.websocket("/some-uri", websocket -> {
System.out.println("Connected!");
});
}
public void example55(WebSocket websocket) {
// Write a simple message
Buffer buffer = Buffer.buffer().appendInt(123).appendFloat(1.23f);
websocket.writeBinaryMessage(buffer);
}
public void example56(WebSocket websocket, Buffer buffer1, Buffer buffer2, Buffer buffer3) {
WebSocketFrame frame1 = WebSocketFrame.binaryFrame(buffer1, false);
websocket.writeFrame(frame1);
WebSocketFrame frame2 = WebSocketFrame.continuationFrame(buffer2, false);
websocket.writeFrame(frame2);
// Write the final frame
WebSocketFrame frame3 = WebSocketFrame.continuationFrame(buffer2, true);
websocket.writeFrame(frame3);
}
public void example56_1(WebSocket websocket) {
// Send a websocket messages consisting of a single final text frame:
websocket.writeFinalTextFrame("Geronimo!");
// Send a websocket messages consisting of a single final binary frame:
Buffer buff = Buffer.buffer().appendInt(12).appendString("foo");
websocket.writeFinalBinaryFrame(buff);
}
public void example57(WebSocket websocket) {
websocket.frameHandler(frame -> {
System.out.println("Received a frame of size!");
});
}
public void serversharing(Vertx vertx) {
vertx.createHttpServer().requestHandler(request -> {
request.response().end("Hello from server " + this);
}).listen(8080);
}
public void serversharingclient(Vertx vertx) {
vertx.setPeriodic(100, (l) -> {
vertx.createHttpClient().getNow(8080, "localhost", "/", resp -> {
resp.bodyHandler(body -> {
System.out.println(body.toString("ISO-8859-1"));
});
});
});
}
}
