Example usage for java.util Scanner Scanner

Introduction

In this page you can find the example usage for java.util Scanner Scanner.

Prototype

public Scanner(ReadableByteChannel source, Charset charset) 

Source Link

Document

Constructs a new Scanner that produces values scanned from the specified channel.

Usage

From source file:ninja.siden.internal.Testing.java

static String read(HttpResponse response) throws Exception {
    HttpEntity entity = response.getEntity();
    if (entity == null) {
        return "";
    }// w  w w.j a va2s .  c  om
    try (Scanner scanner = new Scanner(entity.getContent(), StandardCharsets.UTF_8.name())) {
        return scanner.useDelimiter("\\A").next();
    }
}

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From source file:de.ifgi.mosia.wpswfs.Util.java

public static String readContent(InputStream is, String enc) {
    if (is == null) {
        return null;
    }/*from   ww w .  j a  v  a2s .  c o  m*/

    Scanner sc = new Scanner(is, enc == null ? CharEncoding.ISO_8859_1 : enc);
    StringBuilder sb = new StringBuilder();

    String sep = System.getProperty("line.separator");
    while (sc.hasNext()) {
        sb.append(sc.nextLine());
        sb.append(sep);
    }

    sc.close();
    return sb.toString();
}

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From source file:de.ifsr.adam.JSONStuff.java

/**
 * Imports a JSONArray from a JSON file.
 *
 * @param filePath The file path to the JSONArray you want to import.
 * @return//from  w w w  .j a  va2 s.  co m
 */
public final static JSONArray importJSONArray(String filePath) {
    Path path = Paths.get(filePath);
    String jsonStr = new String();
    JSONArray result = null;
    try (final Scanner scanner = new Scanner(path, ENCODING.name())) {
        while (scanner.hasNext()) {
            jsonStr += scanner.nextLine();
        }
        result = new JSONArray(jsonStr);
    } catch (IOException e) {
        JSONStuff.log.error("Failed to find JSON File at: " + filePath, e);
    } catch (JSONException e) {
        JSONStuff.log.error("Not a valid JSON file at:" + filePath, e);
    }
    return result;
}

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From source file:org.energyos.espi.thirdparty.mocks.MockRestTemplate.java

@SuppressWarnings("unchecked")
public <T> T getForObject(String url, Class<T> responseType, Object... urlVariables)
        throws RestClientException {
    ClassPathResource sourceFile = new ClassPathResource("/fixtures/test_usage_data.xml");
    String inputStreamString;/*from ww w  .  ja v  a  2s.c  om*/
    try {
        inputStreamString = new Scanner(sourceFile.getInputStream(), "UTF-8").useDelimiter("\\A").next();
        return (T) inputStreamString;
    } catch (IOException e) {
        e.printStackTrace();
        throw new RestClientException("The file import broke.");
    }

}

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From source file:cn.newgxu.android.bbs.util.NewgxuUtils.java

public static final String get(String url, String charset) {
    HttpClient client = new DefaultHttpClient();
    HttpGet get = new HttpGet(url);
    get.setHeader("Accept", "application/json");
    HttpResponse response = null;//from  w w w  . j a v a  2  s. co  m
    HttpEntity entity = null;
    Scanner scanner = null;
    try {
        response = client.execute(get);
        entity = response.getEntity();
        if (response.getStatusLine().getStatusCode() == HttpStatus.SC_OK) {
            InputStream in = entity.getContent();
            scanner = new Scanner(in, charset == null ? "utf-8" : charset).useDelimiter("\\A");
            return scanner.hasNext() ? scanner.next() : null;
        }
    } catch (ClientProtocolException e) {
        Log.wtf(TAG, e);
    } catch (IOException e) {
        Log.wtf(TAG, e);
    } finally {
        try {
            if (entity != null) {
                entity.consumeContent();
            }
        } catch (IOException e) {
            Log.wtf(TAG, e);
        }
    }
    return null;
}

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From source file:by.stub.utils.StringUtils.java

public static String inputStreamToString(final InputStream inputStream) {
    if (inputStream == null) {
        return "Could not convert empty or null input stream to string";
    }/* w  ww .ja  v  a  2s .c o  m*/
    // Regex \A matches the beginning of input. This effectively tells Scanner to tokenize
    // the entire stream, from beginning to (illogical) next beginning.
    return new Scanner(inputStream, StringUtils.UTF_8).useDelimiter("\\A").next().trim();
}

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From source file:com.skubit.bitid.loaders.SignInAsyncTaskLoader.java

public static String asString(InputStream inputStream) throws IOException {
    try {/*  w ww  .j av a  2s  . co  m*/
        return new Scanner(inputStream, "UTF-8").useDelimiter("\\A").next();
    } finally {
        inputStream.close();
    }
}

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From source file:hu.petabyte.redflags.engine.gear.indicator.hu.ContrDescCartellingIndicator.java

@Override
public void beforeSession() throws Exception {
    keywords.clear();/* ww  w .ja v a  2s  . c  om*/
    Scanner s = new Scanner(new ClassPathResource(filename).getInputStream(), "UTF-8");
    while (s.hasNextLine()) {
        keywords.add(s.nextLine());
    }
    s.close();
    LOG.debug("Loaded {} expressions for cartelling", keywords.size());
    setWeight(0.5);
    super.beforeSession();
}

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From source file:com.adyen.httpclient.HttpURLConnectionClient.java

private static String getResponseBody(InputStream responseStream) throws IOException {
    //\A is the beginning of the stream boundary
    Scanner scanner = new Scanner(responseStream, CHARSET);
    String rBody = scanner.useDelimiter("\\A").next();
    scanner.close();/* w w  w.  ja  va 2  s.c  o  m*/
    responseStream.close();
    return rBody;
}

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From source file:com.frankdye.marvelgraphws2.MarvelGraphView.java

/**
 * Creates a new instance of SimpleGraphView
 *///from  w ww. j av  a2 s  . c o m
public MarvelGraphView() {
    try {
        Path fFilePath;

        /**
         * Assumes UTF-8 encoding. JDK 7+.
         */
        String aFileName = "C:\\Users\\Frank Dye\\Desktop\\Programming Projects\\MarvelGraph\\data\\marvel_labeled_edges.tsv";
        fFilePath = Paths.get(aFileName);

        // New code
        // Read words from file and put into a simulated multimap
        Map<String, List<String>> map1 = new HashMap<String, List<String>>();
        Set<String> set1 = new HashSet<String>();

        Scanner scan1 = null;
        try {
            scan1 = new Scanner(fFilePath, ENCODING.name());
            while (scan1.hasNext()) {
                processLine(scan1.nextLine(), map1, set1);
            }
        } catch (IOException e) {
            // TODO Auto-generated catch block
            e.printStackTrace();
        }

        // Creating an URL object.
        JSONObject newObj = new JSONObject();

        newObj.put("Heroes", set1);

        //Write out our set to a file
        PrintWriter fileWriter = null;
        try {
            fileWriter = new PrintWriter("heroes-json.txt", "UTF-8");
        } catch (FileNotFoundException e) {
            // TODO Auto-generated catch block
            e.printStackTrace();
        } catch (UnsupportedEncodingException e) {
            // TODO Auto-generated catch block
            e.printStackTrace();
        }
        fileWriter.println(newObj);
        fileWriter.close();

        System.out.println(newObj);

        // Close our scanner
        scan1.close();

        log("Done.");

        // Graph<V, E> where V is the type of the vertices
        // and E is the type of the edges
        g = new SparseMultigraph<String, String>();
        // Add some vertices. From above we defined these to be type Integer.

        for (String s : set1) {
            g.addVertex(s);
        }

        for (Entry<String, List<String>> entry : map1.entrySet()) {
            String issue = entry.getKey();
            ListIterator<String> heroes = entry.getValue().listIterator();
            String firstHero = heroes.next();
            while (heroes.hasNext()) {
                String secondHero = heroes.next();

                if (!g.containsEdge(issue)) {
                    g.addEdge(issue, firstHero, secondHero);
                }
            }
        }

        // Let's see what we have. Note the nice output from the
        // SparseMultigraph<V,E> toString() method
        // System.out.println("The graph g = " + g.toString());
        // Note that we can use the same nodes and edges in two different
        // graphs.
        DijkstraShortestPath alg = new DijkstraShortestPath(g, true);
        Map<String, Number> distMap = new HashMap<String, Number>();
        String n1 = "VOLSTAGG";
        String n4 = "ROM, SPACEKNIGHT";

        List<String> l = alg.getPath(n1, n4);
        distMap = alg.getDistanceMap(n1);
        System.out.println("The shortest unweighted path from " + n1 + " to " + n4 + " is:");
        System.out.println(l.toString());

        System.out.println("\nDistance Map: " + distMap.get(n4));
    } catch (JSONException ex) {
        Logger.getLogger(MarvelGraphView.class.getName()).log(Level.SEVERE, null, ex);
    }
}

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