Example usage for java.io BufferedReader readLine

List of usage examples for java.io BufferedReader readLine

Introduction

In this page you can find the example usage for java.io BufferedReader readLine.

Prototype

public String readLine() throws IOException 

Source Link

Document

Reads a line of text.

Usage

From source file:SendMail.java

public static void main(String[] args) {
    try {//from  w w  w  .j av  a2  s  .  c om
        // If the user specified a mailhost, tell the system about it.
        if (args.length >= 1)
            System.getProperties().put("mail.host", args[0]);

        // A Reader stream to read from the console
        BufferedReader in = new BufferedReader(new InputStreamReader(System.in));

        // Ask the user for the from, to, and subject lines
        System.out.print("From: ");
        String from = in.readLine();
        System.out.print("To: ");
        String to = in.readLine();
        System.out.print("Subject: ");
        String subject = in.readLine();

        // Establish a network connection for sending mail
        URL u = new URL("mailto:" + to); // Create a mailto: URL
        URLConnection c = u.openConnection(); // Create its URLConnection
        c.setDoInput(false); // Specify no input from it
        c.setDoOutput(true); // Specify we'll do output
        System.out.println("Connecting..."); // Tell the user
        System.out.flush(); // Tell them right now
        c.connect(); // Connect to mail host
        PrintWriter out = // Get output stream to host
                new PrintWriter(new OutputStreamWriter(c.getOutputStream()));

        // We're talking to the SMTP server now.
        // Write out mail headers. Don't let users fake the From address
        out.print("From: \"" + from + "\" <" + System.getProperty("user.name") + "@"
                + InetAddress.getLocalHost().getHostName() + ">\r\n");
        out.print("To: " + to + "\r\n");
        out.print("Subject: " + subject + "\r\n");
        out.print("\r\n"); // blank line to end the list of headers

        // Now ask the user to enter the body of the message
        System.out.println("Enter the message. " + "End with a '.' on a line by itself.");
        // Read message line by line and send it out.
        String line;
        for (;;) {
            line = in.readLine();
            if ((line == null) || line.equals("."))
                break;
            out.print(line + "\r\n");
        }

        // Close (and flush) the stream to terminate the message
        out.close();
        // Tell the user it was successfully sent.
        System.out.println("Message sent.");
    } catch (Exception e) { // Handle any exceptions, print error message.
        System.err.println(e);
        System.err.println("Usage: java SendMail [<mailhost>]");
    }
}

From source file:test.TestJavaService.java

/**
 * Main.  The cmdline arguments either do or don't contain the flag -remote: that's the only supported flag.  If it is specified,
 *   we test code on the AWS instance.  If it is not, we test code running locally.
 * The first non-flag argument is the "verb", which (currently) should be one of the verbs set at the top of source file
 *   org.qcert.javasrc.Main.  Remaining non-flag arguments are file names.  There must be at least one.  The number of such 
 *   arguments and what they should contain depends on the verb.
 * @throws Exception/*from   ww  w  .  j ava 2  s. c  om*/
 */
public static void main(String[] args) throws Exception {
    /* Parse command line */
    List<String> files = new ArrayList<>();
    String loc = "localhost", verb = null;
    for (String arg : args) {
        if (arg.equals("-remote"))
            loc = REMOTE_LOC;
        else if (arg.startsWith("-"))
            illegal();
        else if (verb == null)
            verb = arg;
        else
            files.add(arg);
    }
    /* Simple consistency checks and verb-specific parsing */
    if (files.size() == 0)
        illegal();
    String file = files.remove(0);
    String schema = null;
    switch (verb) {
    case "parseSQL":
    case "serialRule2CAMP":
    case "sqlSchema2JSON":
        if (files.size() != 0)
            illegal();
        break;
    case "techRule2CAMP":
        if (files.size() != 1)
            illegal();
        schema = files.get(0);
        break;
    case "csv2JSON":
        if (files.size() < 1)
            illegal();
        break;
    default:
        illegal();
    }

    /* Assemble information from arguments */
    String url = String.format("http://%s:9879?verb=%s", loc, verb);
    byte[] contents = Files.readAllBytes(Paths.get(file));
    String toSend;
    if ("serialRule2CAMP".equals(verb))
        toSend = Base64.getEncoder().encodeToString(contents);
    else
        toSend = new String(contents);
    if ("techRule2CAMP".equals(verb))
        toSend = makeSpecialJson(toSend, schema);
    else if ("csv2JSON".equals(verb))
        toSend = makeSpecialJson(toSend, files);
    HttpClient client = HttpClients.createDefault();
    HttpPost post = new HttpPost(url);
    StringEntity entity = new StringEntity(toSend);
    entity.setContentType("text/plain");
    post.setEntity(entity);
    HttpResponse resp = client.execute(post);
    int code = resp.getStatusLine().getStatusCode();
    if (code == HttpStatus.SC_OK) {
        HttpEntity answer = resp.getEntity();
        InputStream s = answer.getContent();
        BufferedReader rdr = new BufferedReader(new InputStreamReader(s));
        String line = rdr.readLine();
        while (line != null) {
            System.out.println(line);
            line = rdr.readLine();
        }
        rdr.close();
        s.close();
    } else
        System.out.println(resp.getStatusLine());
}

From source file:animalclient.AnimalClient.java

/**
 * @param args the command line arguments
 *///from   ww  w .  jav  a  2s .c o m
public static void main(String[] arg) throws IOException, MalformedURLException, ParseException {
    // TODO code application logic here
    InputStreamReader isr = new InputStreamReader(System.in);
    BufferedReader br = new BufferedReader(isr);

    String username;
    String password;

    System.out.println("Username:");
    username = br.readLine();
    System.out.println("Password:");
    password = br.readLine();

    AnimalJerseyClient client = new AnimalJerseyClient(username, password);

    System.out.println("");
    System.out.println(
            "Willkommen bei ihrer Tierhandlung fr exotische Tiere. Geben sie help ein fr weitere Informationen");

    String auswahl = br.readLine();

    if (auswahl.equals("help")) {
        System.out.println("Sie haben folgende Auswahlmglichkeiten:");
        System.out.println("1. Listen sie alle verfgbaren Tiere auf.");
        System.out.println("2. Kaufen sie ein Tier.");
        System.out.println("3. Suchen sie nach einem Tier.");
        System.out.println("4. Whrung ndern.");
        auswahl = br.readLine();
        makeDecision(client, auswahl);
    } else {
        makeDecision(client, auswahl);
    }

    System.out.print("End");
}

From source file:POP3Demo.java

public static void main(String[] args) throws Exception {
    int POP3Port = 110;
    Socket client = new Socket("127.0.0.1", POP3Port);
    InputStream is = client.getInputStream();
    BufferedReader sockin = new BufferedReader(new InputStreamReader(is));
    OutputStream os = client.getOutputStream();
    PrintWriter sockout = new PrintWriter(os, true);
    String cmd = "user Smith";
    sockout.println(cmd);//w  ww  . j  a va2 s  .c o  m
    String reply = sockin.readLine();
    cmd = "pass ";
    sockout.println(cmd + "popPassword");
    reply = sockin.readLine();
    cmd = "stat";
    sockout.println(cmd);
    reply = sockin.readLine();
    if (reply == null)
        return;
    cmd = "retr 1";
    sockout.println(cmd);
    if (cmd.toLowerCase().startsWith("retr") && reply.charAt(0) == '+')
        do {
            reply = sockin.readLine();
            System.out.println("S:" + reply);
            if (reply != null && reply.length() > 0)
                if (reply.charAt(0) == '.')
                    break;
        } while (true);
    cmd = "quit";
    sockout.println(cmd);
    client.close();
}

From source file:JSON.JasonJSON.java

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

    URL Url = new URL("http://api.wunderground.com/api/22b4347c464f868e/conditions/q/Colorado/COS.json");
    //This next URL is still being played with. Some of the formatting is hard to figure out, but Wunderground 
    //writes a perfectly formatted JSON file that is easy to read with Java.
    // URL Url = new URL("https://api.darksky.net/forecast/08959bb1e2c7eae0f3d1fafb5d538032/38.886,-104.7201");

    try {//from   w w  w  .j  ava 2 s.  co  m

        HttpURLConnection urlCon = (HttpURLConnection) Url.openConnection();

        //          This part will read the data returned thru HTTP and load it into memory
        //          I have this code left over from my CIT260 project.
        InputStream stream = urlCon.getInputStream();
        BufferedReader reader = new BufferedReader(new InputStreamReader(stream));
        StringBuilder result = new StringBuilder();
        String line;
        while ((line = reader.readLine()) != null) {
            result.append(line);
        }

        // The next lines read certain parts of the JSON data and print it out on the screen
        //Creates the JSONObject object and loads the JSON file from the URLConnection
        //Into a StringWriter object. I am printing this out in raw format just so I can see it doing something

        JSONObject json = new JSONObject(result.toString());

        JSONObject coloradoInfo = (JSONObject) json.get("current_observation");

        StringWriter out = new StringWriter();
        json.write(out);
        String jsonTxt = json.toString();
        System.out.print(jsonTxt);

        List<String> list = new ArrayList<>();
        JSONArray array = json.getJSONArray(jsonTxt);
        System.out.print(jsonTxt);

        // for (int i =0;i<array.length();i++){
        //list.add(array.getJSONObject(i).getString("current_observation"));
        //}

        String wunderGround = "Data downloaded from: " +

                coloradoInfo.getJSONObject("image").getString("title") + "\nLink\t\t: "
                + coloradoInfo.getJSONObject("image").getString("link") + "\nCity\t\t: "
                + coloradoInfo.getJSONObject("display_location").getString("city") + "\nState\t\t: "
                + coloradoInfo.getJSONObject("display_location").getString("state_name") + "\nTime\t\t: "
                + coloradoInfo.get("observation_time_rfc822") + "\nTemperature\t\t: "
                + coloradoInfo.get("temperature_string") + "\nWindchill\t\t: "
                + coloradoInfo.get("windchill_string") + "\nRelative Humidity\t: "
                + coloradoInfo.get("relative_humidity") + "\nWind\t\t\t: " + coloradoInfo.get("wind_string")
                + "\nWind Direction\t\t: " + coloradoInfo.get("wind_dir") + "\nBarometer Pressure\t\t: "
                + coloradoInfo.get("pressure_in");

        System.out.println("\nColorado Springs Weather:");
        System.out.println("____________________________________");
        System.out.println(wunderGround);

    } catch (IOException e) {
        System.out.println("***ERROR*******************ERROR********************. " + "\nURL: " + Url.toString()
                + "\nERROR: " + e.toString());
    }

}

From source file:de.zib.vold.userInterface.ABI.java

public static void main(String[] args) {
    ABI abi = new ABI();

    while (true) {
        try {//from w  w  w .ja  v a2  s  .  c  o m
            InputStreamReader isr = new InputStreamReader(System.in);
            BufferedReader br = new BufferedReader(isr);

            System.out.print("#: ");

            String s = br.readLine();
            if (null == s)
                break;

            String[] a = s.split("\\s+");

            if (a.length < 1) {
                System.out.println("ERROR: The following commands are valid:");
                System.out.println("ERROR: insert <source> <scope> <type> <keyname> {<value> }*");
                System.out.println("ERROR: lookup <scope> <type> <keyname>");
                System.out.println("ERROR: exit");

                continue;
            } else if (a[0].equals("lookup") || a[0].equals("l")) {
                if (a.length < 4) {
                    System.out.println("ERROR: Syntax for lookup is:");
                    System.out.println("ERROR: lookup <scope> <type> <keyname>");

                    continue;
                }

                Map<Key, Set<String>> result;
                try {
                    result = abi.frontend.lookup(new Key(a[1], a[2], a[3]));
                } catch (VoldException e) {
                    System.out.println(
                            "An internal error occured: " + e.getClass().getName() + ": " + e.getMessage());
                    continue;
                }

                for (Map.Entry<Key, Set<String>> entry : result.entrySet()) {
                    Key k = entry.getKey();
                    System.out.println("+Found ('" + k.get_scope() + "', '" + k.get_type() + "', '"
                            + k.get_keyname() + "')");

                    for (String v : entry.getValue()) {
                        System.out.println("-" + v);
                    }
                }
            } else if (a[0].equals("insert") || a[0].equals("i")) {
                if (a.length < 5) {
                    System.out.println("ERROR: Syntax for insert is:");
                    System.out.println("ERROR: insert <source> <scope> <type> <keyname> {<value> }*");

                    continue;
                }

                Key k = new Key(a[2], a[3], a[4]);

                Set<String> values = new HashSet<String>();
                for (int i = 5; i < a.length; ++i) {
                    values.add(a[i]);
                }

                try {
                    abi.frontend.insert(a[1], k, values, DateTime.now().getMillis());
                } catch (VoldException e) {
                    System.out.println(
                            "An internal error occured: " + e.getClass().getName() + ": " + e.getMessage());
                    continue;
                }
            } else if (a[0].equals("exit") || a[0].equals("x")) {
                break;
            } else {
                System.out.println("ERROR: Unknown command!");
                System.out.println("ERROR: The following commands are valid:");
                System.out.println("ERROR: insert <source> <scope> <type> <keyname> {<value> }*");
                System.out.println("ERROR: lookup <scope> <type> <keyname>");
                System.out.println("ERROR: exit");
            }

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

    System.exit(0);
}

From source file:org.dlut.mycloudserver.service.performancemonitor.PerformanceListener.java

public static void main(String[] args) {
    long t1 = System.currentTimeMillis();

    String url = "http://127.0.0.1:8001";
    URLConnection conn;/* w  ww.  ja va 2s .  co m*/
    try {
        conn = new URL(url).openConnection();
        conn.setConnectTimeout(1000);
        conn.setReadTimeout(1000);
        InputStream is = conn.getInputStream();
        BufferedReader br = new BufferedReader(new InputStreamReader(is));
        String res = br.readLine();
        br.close();
        is.close();
        JSONObject jsonRes = JSON.parseObject(res);
        double loadAverage = jsonRes.getDoubleValue("loadAverage");
        System.out.println(loadAverage);
    } catch (MalformedURLException e) {
        // TODO Auto-generated catch block
        e.printStackTrace();
    } catch (IOException e) {
        // TODO Auto-generated catch block
        e.printStackTrace();
    }

    long t2 = System.currentTimeMillis();

    System.out.println((t2 - t1) + "ms");
}

From source file:es.us.isa.ideas.utilities.HashPassword.java

public static void main(String[] args) throws IOException {
    Md5PasswordEncoder encoder;/*  ww  w  .jav  a  2 s .c  o m*/
    InputStreamReader stream;
    BufferedReader reader;
    String line, hash;

    encoder = new Md5PasswordEncoder();
    stream = new InputStreamReader(System.in);
    reader = new BufferedReader(stream);

    System.out.println("Enter passwords to be hashed or <ENTER> to quit");

    line = reader.readLine();
    while (!line.isEmpty()) {
        hash = encoder.encodePassword(line, null);
        System.out.println(hash);
        line = reader.readLine();
    }
}

From source file:httpclient.client.ClientInteractiveAuthentication.java

public static void main(String[] args) throws Exception {
    DefaultHttpClient httpclient = new DefaultHttpClient();

    // Create local execution context
    HttpContext localContext = new BasicHttpContext();

    HttpGet httpget = new HttpGet("http://localhost/test");

    boolean trying = true;
    while (trying) {
        System.out.println("executing request " + httpget.getRequestLine());
        HttpResponse response = httpclient.execute(httpget, localContext);

        System.out.println("----------------------------------------");
        System.out.println(response.getStatusLine());

        // Consume response content
        HttpEntity entity = response.getEntity();
        if (entity != null) {
            entity.consumeContent();//  ww  w  .j av  a 2s.  co  m
        }

        int sc = response.getStatusLine().getStatusCode();

        AuthState authState = null;
        if (sc == HttpStatus.SC_UNAUTHORIZED) {
            // Target host authentication required
            authState = (AuthState) localContext.getAttribute(ClientContext.TARGET_AUTH_STATE);
        }
        if (sc == HttpStatus.SC_PROXY_AUTHENTICATION_REQUIRED) {
            // Proxy authentication required
            authState = (AuthState) localContext.getAttribute(ClientContext.PROXY_AUTH_STATE);
        }

        if (authState != null) {
            System.out.println("----------------------------------------");
            AuthScope authScope = authState.getAuthScope();
            System.out.println("Please provide credentials");
            System.out.println(" Host: " + authScope.getHost() + ":" + authScope.getPort());
            System.out.println(" Realm: " + authScope.getRealm());

            BufferedReader console = new BufferedReader(new InputStreamReader(System.in));

            System.out.print("Enter username: ");
            String user = console.readLine();
            System.out.print("Enter password: ");
            String password = console.readLine();

            if (user != null && user.length() > 0) {
                Credentials creds = new UsernamePasswordCredentials(user, password);
                httpclient.getCredentialsProvider().setCredentials(authScope, creds);
                trying = true;
            } else {
                trying = false;
            }
        } else {
            trying = false;
        }
    }

    // When HttpClient instance is no longer needed, 
    // shut down the connection manager to ensure
    // immediate deallocation of all system resources
    httpclient.getConnectionManager().shutdown();
}

From source file:com.gemini.httpclienttest.HttpClientTestMain.java

public static void main(String[] args) {
    //authenticate with the server
    URL url;//w w  w  . jav a  2 s.c o m
    try {
        url = new URL("http://198.11.209.34:5000/v2.0/tokens");
    } catch (MalformedURLException ex) {
        System.out.printf("Invalid Endpoint - not a valid URL {}", "http://198.11.209.34:5000/v2.0");
        return;
    }
    CloseableHttpClient httpclient = HttpClientBuilder.create().build();
    try {
        HttpPost httpPost = new HttpPost(url.toString());
        httpPost.setHeader("Content-Type", "application/json");
        StringEntity strEntity = new StringEntity(
                "{\"auth\":{\"tenantName\":\"Gemini-network-prj\",\"passwordCredentials\":{\"username\":\"sri\",\"password\":\"srikumar12\"}}}");
        httpPost.setEntity(strEntity);
        //System.out.println("Executing request " + httpget.getRequestLine());
        CloseableHttpResponse response = httpclient.execute(httpPost);
        try {
            //get the response status code 
            String respStatus = response.getStatusLine().getReasonPhrase();

            //get the response body
            int bytes = response.getEntity().getContent().available();
            InputStream body = response.getEntity().getContent();
            BufferedReader in = new BufferedReader(new InputStreamReader(body));
            String line;
            StringBuffer sbJSON = new StringBuffer();
            while ((line = in.readLine()) != null) {
                sbJSON.append(line);
            }
            String json = sbJSON.toString();
            EntityUtils.consume(response.getEntity());

            GsonBuilder gsonBuilder = new GsonBuilder();
            Object parsedJson = gsonBuilder.create().fromJson(json, Object.class);
            System.out.printf("Parsed json is of type %s\n\n", parsedJson.getClass().toString());
            if (parsedJson instanceof com.google.gson.internal.LinkedTreeMap) {
                com.google.gson.internal.LinkedTreeMap treeJson = (com.google.gson.internal.LinkedTreeMap) parsedJson;
                if (treeJson.containsKey("id")) {
                    String s = (String) treeJson.getOrDefault("id", "no key provided");
                    System.out.printf("\n\ntree contained id %s\n", s);
                } else {
                    System.out.printf("\n\ntree does not contain key id\n");
                }
            }
        } catch (IOException ex) {
            System.out.print(ex);
        } finally {
            response.close();
        }
    } catch (IOException ex) {
        System.out.print(ex);
    } finally {
        //lots of exceptions, just the connection and exit
        try {
            httpclient.close();
        } catch (IOException | NoSuchMethodError ex) {
            System.out.print(ex);
            return;
        }
    }
}