Java HTTP Post put(URL host, String endpoint, String customer, String name, String version, InputStream in)

Description

put

License

Apache License

Declaration

static int put(URL host, String endpoint, String customer, String name, String version, InputStream in)
            throws IOException 

Method Source Code

//package com.java2s;
/*/*www .j a v  a2 s.com*/
 * 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.
 */

import java.io.Closeable;
import java.io.IOException;
import java.io.InputStream;
import java.io.OutputStream;

import java.net.HttpURLConnection;
import java.net.URL;

public class Main {
    private static final int COPY_BUFFER_SIZE = 4096;
    private static final String MIME_APPLICATION_OCTET_STREAM = "application/octet-stream";

    static int put(URL host, String endpoint, String customer, String name, String version, InputStream in)
            throws IOException {
        URL url = new URL(host, endpoint + "?customer=" + customer + "&name=" + name + "&version=" + version);

        int responseCode;
        HttpURLConnection connection = null;
        OutputStream out = null;

        try {
            connection = (HttpURLConnection) url.openConnection();
            connection.setDoOutput(true);
            // ACE-294: enable streaming mode causing only small amounts of memory to be
            // used for this commit. Otherwise, the entire input stream is cached into
            // memory prior to sending it to the server...
            connection.setChunkedStreamingMode(8192);
            connection.setRequestProperty("Content-Type", MIME_APPLICATION_OCTET_STREAM);
            out = connection.getOutputStream();

            copy(in, out);
            out.flush();

            responseCode = connection.getResponseCode();
            flushStream(connection.getInputStream());
        } catch (IOException e) {
            responseCode = handleIOException(connection);
        } finally {
            closeSilently(in);
            closeSilently(out);
            closeSilently(connection);
        }

        return responseCode;
    }

    static void copy(InputStream in, OutputStream out) throws IOException {
        byte[] buffer = new byte[COPY_BUFFER_SIZE];
        int bytes = in.read(buffer);
        while (bytes != -1) {
            out.write(buffer, 0, bytes);
            bytes = in.read(buffer);
        }
    }

    static void flushStream(InputStream is) {
        byte[] buf = new byte[COPY_BUFFER_SIZE];
        try {
            while (is.read(buf) > 0) {
                // Ignore...
            }
        } catch (IOException ex) {
            // deal with the exception
        } finally {
            closeSilently(is);
        }
    }

    /**
     * @see http://docs.oracle.com/javase/6/docs/technotes/guides/net/http-keepalive.html
     */
    static int handleIOException(HttpURLConnection conn) {
        int respCode = -1;
        try {
            respCode = conn.getResponseCode();
            flushStream(conn.getErrorStream());
        } catch (IOException ex) {
            // deal with the exception
        }
        return respCode;
    }

    static void closeSilently(Closeable resource) {
        if (resource != null) {
            try {
                resource.close();
            } catch (IOException exception) {
                // Ignore...
            }
        }
    }

    static void closeSilently(HttpURLConnection resource) {
        if (resource != null) {
            resource.disconnect();
        }
    }
}

Related

1. postHTTPQuery(String url, String urlParameters)
2. postJSON(JSONObject job, HttpURLConnection conn)
3. postRaw(URL url, String params)
4. postURL(final URL url, final String request)
5. put(String url, String content)
6. putPOST(HttpURLConnection h, String query)
7. requestPost(final String remoteUrl, final byte[] content)
8. sendJson(URL url, String method, String data)
9. sendJsonData(final HttpURLConnection connection, final String data)