Example usage for java.net URLConnection getOutputStream

Introduction

In this page you can find the example usage for java.net URLConnection getOutputStream.

Prototype

public OutputStream getOutputStream() throws IOException 

Source Link

Document

Returns an output stream that writes to this connection.

Usage

From source file:MainClass.java

public static void main(String[] a) throws Exception {

    URL url = new URL("http://www.yourdomain.com/form.jsp");
    URLConnection connection = url.openConnection();
    connection.setDoOutput(true);//from  w ww .  ja  v  a 2  s . co  m
    PrintWriter out = new PrintWriter(connection.getOutputStream());
    out.println("firstName=Joe");
    out.println("lastName=Average");
    out.close();

}

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From source file:Main.java

public static void main(String args[]) throws Exception {
    String fullURL = args[0];/*w ww. j a  v a2s  .co m*/
    URL u = new URL(fullURL);
    URLConnection conn = u.openConnection();
    conn.setDoInput(true);
    OutputStream theControl = conn.getOutputStream();
    BufferedWriter out = new BufferedWriter(new OutputStreamWriter(theControl));
    for (int i = 1; i < args.length; i++) {
        out.write(args[i] + "\n");
    }
    out.close();
    InputStream theData = conn.getInputStream();

    String contentType = conn.getContentType();
    if (contentType.toLowerCase().startsWith("text")) {
        BufferedReader in = new BufferedReader(new InputStreamReader(theData));
        String line;
        while ((line = in.readLine()) != null) {
            System.out.println(line);
        }
    }
}

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From source file:Main.java

public static void main(String args[]) throws Exception {
    String fullURL = args[0];/*from w w w  .j a  v a  2s  .  com*/
    URL u = new URL(fullURL);
    URLConnection conn = u.openConnection();
    conn.setDoOutput(true);
    OutputStream theControl = conn.getOutputStream();
    BufferedWriter out = new BufferedWriter(new OutputStreamWriter(theControl));
    for (int i = 1; i < args.length; i++) {
        out.write(args[i] + "\n");
    }
    out.close();
    InputStream theData = conn.getInputStream();

    String contentType = conn.getContentType();
    if (contentType.toLowerCase().startsWith("text")) {
        BufferedReader in = new BufferedReader(new InputStreamReader(theData));
        String line;
        while ((line = in.readLine()) != null) {
            System.out.println(line);
        }
    }
}

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From source file:Main.java

public static void main(String[] args) throws Exception {
    URL url = new URL("http://www.java2s.com");
    URLConnection conn = url.openConnection();
    conn.setDoOutput(true);/*from  ww w . j  a  v a 2  s .  c o m*/
    OutputStreamWriter writer = new OutputStreamWriter(conn.getOutputStream());

    writer.write("value=1&anotherValue=1");
    writer.flush();
    String line;
    BufferedReader reader = new BufferedReader(new InputStreamReader(conn.getInputStream()));
    while ((line = reader.readLine()) != null) {
        System.out.println(line);
    }
    writer.close();
    reader.close();

}

---

From source file:Main.java

public static void main(String[] argv) throws Exception {
    String data = URLEncoder.encode("key1", "UTF-8") + "=" + URLEncoder.encode("value1", "UTF-8");
    data += "&" + URLEncoder.encode("key2", "UTF-8") + "=" + URLEncoder.encode("value2", "UTF-8");

    URL url = new URL("http://server.com:80/cgi");
    URLConnection conn = url.openConnection();
    conn.setDoOutput(true);/* ww  w  .  j ava2  s  . co m*/
    OutputStreamWriter wr = new OutputStreamWriter(conn.getOutputStream());
    wr.write(data);
    wr.flush();

    BufferedReader rd = new BufferedReader(new InputStreamReader(conn.getInputStream()));
    String line;
    while ((line = rd.readLine()) != null) {
        System.out.println(line);
    }
    wr.close();
    rd.close();
}

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From source file:Reverse.java

public static void main(String[] args) throws Exception {

    if (args.length != 1) {
        System.err.println("Usage:  java Reverse " + "string_to_reverse");
        System.exit(1);//from  www . jav  a2s .c o  m
    }

    String stringToReverse = URLEncoder.encode(args[0]);

    URL url = new URL("http://java.sun.com/cgi-bin/backwards");
    URLConnection connection = url.openConnection();
    connection.setDoOutput(true);

    PrintWriter out = new PrintWriter(connection.getOutputStream());
    out.println("string=" + stringToReverse);
    out.close();

    BufferedReader in = new BufferedReader(new InputStreamReader(connection.getInputStream()));
    String inputLine;

    while ((inputLine = in.readLine()) != null)
        System.out.println(inputLine);

    in.close();
}

---

From source file:MainClass.java

public static void main(String args[]) throws Exception {
    String query = "name=yourname&email=youremail@yourserver.com";

    URLConnection uc = new URL("http:// your form ").openConnection();
    uc.setDoOutput(true);//from w  w  w .  j a va  2  s. c  o  m
    uc.setDoInput(true);
    uc.setAllowUserInteraction(false);
    DataOutputStream dos = new DataOutputStream(uc.getOutputStream());

    // The POST line, the Accept line, and
    // the content-type headers are sent by the URLConnection.
    // We just need to send the data
    dos.writeBytes(query);
    dos.close();

    // Read the response
    DataInputStream dis = new DataInputStream(uc.getInputStream());
    String nextline;
    while ((nextline = dis.readLine()) != null) {
        System.out.println(nextline);
    }
    dis.close();
}

---

From source file:Base64Stuff.java

public static void main(String[] args) {
    //Random random = new Random();
    try {/*from  w w  w.j a v a  2  s.c  o  m*/
        File file1 = new File("C:\\\\Program Files\\\\ImageJ\\\\images\\\\confocal-series-10001.tif");
        //File file2 = new File("C:\\Program Files\\ImageJ\\images\\confocal-series-10000.tif");
        ImagePlus image1 = new ImagePlus(
                "C:\\\\Program Files\\\\ImageJ\\\\images\\\\confocal-series-10001.tif");
        //ImagePlus image2 = new ImagePlus("C:\\Program Files\\ImageJ\\images\\two.tif");

        byte[] myBytes1 = org.apache.commons.io.FileUtils.readFileToByteArray(file1);
        //byte[] myBytes2 = org.apache.commons.io.FileUtils.readFileToByteArray(file2);
        //random.nextBytes(randomBytes);

        //String internalVersion1 = com.sun.org.apache.xerces.internal.impl.dv.util.Base64.encode(myBytes1);
        //String internalVersion2 = com.sun.org.apache.xerces.internal.impl.dv.util.Base64.encode(myBytes2);
        byte[] apacheBytes1 = org.apache.commons.codec.binary.Base64.encodeBase64(myBytes1);
        //byte[] apacheBytes2 =  org.apache.commons.codec.binary.Base64.encodeBase64(myBytes2);
        String string1 = new String(apacheBytes1);
        //String string2 = new String(apacheBytes2);

        System.out.println("File1 length:" + string1.length());
        //System.out.println("File2 length:" + string2.length());
        System.out.println(string1);
        //System.out.println(string2);

        System.out.println("Image1 size: (" + image1.getWidth() + "," + image1.getHeight() + ")");
        //System.out.println("Image2 size: (" + image2.getWidth() + "," + image2.getHeight() + ")");

        String urlParameters = "data=" + string1 + "&size=1000x1000";

        URL url = new URL("http://api.qrserver.com/v1/create-qr-code/");
        URLConnection conn = url.openConnection();

        conn.setDoOutput(true);

        OutputStreamWriter writer = new OutputStreamWriter(conn.getOutputStream());

        writer.write(urlParameters);
        writer.flush();

        //byte buf[] = new byte[700000000];

        BufferedInputStream reader = new BufferedInputStream(conn.getInputStream());
        BufferedOutputStream bos = new BufferedOutputStream(
                new FileOutputStream("C:\\Users\\expertoweb\\Desktop\\qrcode2.png"));

        int data;
        while ((data = reader.read()) != -1) {
            bos.write(data);
        }

        writer.close();
        reader.close();
        bos.close();

    } catch (IOException e) {
    }
}

---

From source file:Main.java

public static void main(String[] args) throws Exception {
    URL url = new URL("http://localhost:8080/postedresults.jsp");
    URLConnection conn = url.openConnection();
    conn.setDoInput(true);/* ww w  .ja va 2 s  . co  m*/
    conn.setDoOutput(true);
    conn.setUseCaches(false);
    conn.setRequestProperty("Content-Type", "application/x-www-form-urlencoded");

    DataOutputStream out = new DataOutputStream(conn.getOutputStream());
    String content = "CONTENT=HELLO JSP !&ONEMORECONTENT =HELLO POST !";

    out.writeBytes(content);
    out.flush();
    out.close();

    DataInputStream in = new DataInputStream(conn.getInputStream());
    String str;
    while (null != ((str = in.readUTF()))) {
        System.out.println(str);
    }
    in.close();
}

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From source file:io.druid.server.sql.SQLRunner.java

public static void main(String[] args) throws Exception {

    Options options = new Options();
    options.addOption("h", "help", false, "help");
    options.addOption("v", false, "verbose");
    options.addOption("e", "host", true, "endpoint [hostname:port]");

    CommandLine cmd = new GnuParser().parse(options, args);

    if (cmd.hasOption("h")) {
        HelpFormatter formatter = new HelpFormatter();
        formatter.printHelp("SQLRunner", options);
        System.exit(2);/*from  w ww.ja  v  a  2s  .  c  om*/
    }

    String hostname = cmd.getOptionValue("e", "localhost:8080");
    String sql = cmd.getArgs().length > 0 ? cmd.getArgs()[0] : STATEMENT;

    ObjectMapper objectMapper = new DefaultObjectMapper();
    ObjectWriter jsonWriter = objectMapper.writerWithDefaultPrettyPrinter();

    CharStream stream = new ANTLRInputStream(sql);
    DruidSQLLexer lexer = new DruidSQLLexer(stream);
    TokenStream tokenStream = new CommonTokenStream(lexer);
    DruidSQLParser parser = new DruidSQLParser(tokenStream);
    lexer.removeErrorListeners();
    parser.removeErrorListeners();

    lexer.addErrorListener(ConsoleErrorListener.INSTANCE);
    parser.addErrorListener(ConsoleErrorListener.INSTANCE);

    try {
        DruidSQLParser.QueryContext queryContext = parser.query();
        if (parser.getNumberOfSyntaxErrors() > 0)
            throw new IllegalStateException();
        //      parser.setBuildParseTree(true);
        //      System.err.println(q.toStringTree(parser));
    } catch (Exception e) {
        String msg = e.getMessage();
        if (msg != null)
            System.err.println(e);
        System.exit(1);
    }

    final Query query;
    final TypeReference typeRef;
    boolean groupBy = false;
    if (parser.groupByDimensions.isEmpty()) {
        query = Druids.newTimeseriesQueryBuilder().dataSource(parser.getDataSource())
                .aggregators(new ArrayList<AggregatorFactory>(parser.aggregators.values()))
                .postAggregators(parser.postAggregators).intervals(parser.intervals)
                .granularity(parser.granularity).filters(parser.filter).build();

        typeRef = new TypeReference<List<Result<TimeseriesResultValue>>>() {
        };
    } else {
        query = GroupByQuery.builder().setDataSource(parser.getDataSource())
                .setAggregatorSpecs(new ArrayList<AggregatorFactory>(parser.aggregators.values()))
                .setPostAggregatorSpecs(parser.postAggregators).setInterval(parser.intervals)
                .setGranularity(parser.granularity).setDimFilter(parser.filter)
                .setDimensions(new ArrayList<DimensionSpec>(parser.groupByDimensions.values())).build();

        typeRef = new TypeReference<List<Row>>() {
        };
        groupBy = true;
    }

    String queryStr = jsonWriter.writeValueAsString(query);
    if (cmd.hasOption("v"))
        System.err.println(queryStr);

    URL url = new URL(String.format("http://%s/druid/v2/?pretty", hostname));
    final URLConnection urlConnection = url.openConnection();
    urlConnection.addRequestProperty("content-type", MediaType.APPLICATION_JSON);
    urlConnection.getOutputStream().write(StringUtils.toUtf8(queryStr));
    BufferedReader stdInput = new BufferedReader(
            new InputStreamReader(urlConnection.getInputStream(), Charsets.UTF_8));

    Object res = objectMapper.readValue(stdInput, typeRef);

    Joiner tabJoiner = Joiner.on("\t");

    if (groupBy) {
        List<Row> rows = (List<Row>) res;
        Iterable<String> dimensions = Iterables.transform(parser.groupByDimensions.values(),
                new Function<DimensionSpec, String>() {
                    @Override
                    public String apply(@Nullable DimensionSpec input) {
                        return input.getOutputName();
                    }
                });

        System.out.println(
                tabJoiner.join(Iterables.concat(Lists.newArrayList("timestamp"), dimensions, parser.fields)));
        for (final Row r : rows) {
            System.out.println(tabJoiner.join(Iterables.concat(
                    Lists.newArrayList(parser.granularity.toDateTime(r.getTimestampFromEpoch())),
                    Iterables.transform(parser.groupByDimensions.values(),
                            new Function<DimensionSpec, String>() {
                                @Override
                                public String apply(@Nullable DimensionSpec input) {
                                    return Joiner.on(",").join(r.getDimension(input.getOutputName()));
                                }
                            }),
                    Iterables.transform(parser.fields, new Function<String, Object>() {
                        @Override
                        public Object apply(@Nullable String input) {
                            return r.getFloatMetric(input);
                        }
                    }))));
        }
    } else {
        List<Result<TimeseriesResultValue>> rows = (List<Result<TimeseriesResultValue>>) res;
        System.out.println(tabJoiner.join(Iterables.concat(Lists.newArrayList("timestamp"), parser.fields)));
        for (final Result<TimeseriesResultValue> r : rows) {
            System.out.println(tabJoiner.join(Iterables.concat(Lists.newArrayList(r.getTimestamp()),
                    Lists.transform(parser.fields, new Function<String, Object>() {
                        @Override
                        public Object apply(@Nullable String input) {
                            return r.getValue().getMetric(input);
                        }
                    }))));
        }
    }

    CloseQuietly.close(stdInput);
}

---

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