Package upload

Source Code of upload.UploadClient

package upload;

/*
* Copyright 2011 the original author or authors.
*
* Licensed 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.
*/

import org.vertx.java.core.AsyncResult;
import org.vertx.java.core.AsyncResultHandler;
import org.vertx.java.core.Handler;
import org.vertx.java.core.VoidHandler;
import org.vertx.java.core.file.AsyncFile;
import org.vertx.java.core.http.HttpClient;
import org.vertx.java.core.http.HttpClientRequest;
import org.vertx.java.core.http.HttpClientResponse;
import org.vertx.java.core.streams.Pump;
import org.vertx.java.platform.Verticle;

import java.io.IOException;
import java.nio.file.Files;
import java.nio.file.Paths;

public class UploadClient extends Verticle {

  public void start() {

    HttpClient client = vertx.createHttpClient().setPort(8080).setHost("localhost");

    final HttpClientRequest req = client.put("/some-url", new Handler<HttpClientResponse>() {
      public void handle(HttpClientResponse response) {
        System.out.println("File uploaded " + response.statusCode());
      }
    });

    String filename = "upload/upload.txt";

    // For a non-chunked upload you need to specify size of upload up-front
    try {
      req.headers().set("Content-Length", String.valueOf(Files.size(Paths.get(filename))));

      // For a chunked upload you don't need to specify size, just do:
      // req.setChunked(true);

      vertx.fileSystem().open(filename, new AsyncResultHandler<AsyncFile>() {
        public void handle(AsyncResult<AsyncFile> ar) {
          final AsyncFile file = ar.result();
          Pump pump = Pump.createPump(file, req);
          pump.start();

          file.endHandler(new VoidHandler() {
            public void handle() {

              file.close(new AsyncResultHandler<Void>() {
                public void handle(AsyncResult<Void> ar) {
                  if (ar.succeeded()) {
                    req.end();
                    System.out.println("Sent request");
                  } else {
                    ar.cause().printStackTrace(System.err);
                  }
                }
              });
            }
          });
        }

        public void onException(Exception e) {
          e.printStackTrace();
        }
      });

    } catch (IOException e) {
      e.printStackTrace();
    }

  }
}
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