Example usage for java.io InputStreamReader close

List of usage examples for java.io InputStreamReader close

  1. HOME
  2. Java
  3. java
  4. java.io.*
  5. InputStreamReader
  6. close

Introduction

In this page you can find the example usage for java.io InputStreamReader close.

Prototype

public void close() throws IOException

Source Link

Usage

From source file:Main.java

public static String readFile(File f) {
    try {// ww  w. j av  a 2 s . c om
        FileInputStream fstream = new FileInputStream(f);
        InputStreamReader in = new InputStreamReader(fstream);
        BufferedReader br = new BufferedReader(in);
        String strLine;
        StringBuilder sb = new StringBuilder();
        while ((strLine = br.readLine()) != null) {
            sb.append(strLine);
            sb.append('\n');
        }
        br.close();
        in.close();
        fstream.close();
        return sb.toString();
    } catch (Exception ex) {
        return "";
    }
}

From source file:Main.java

public static String readFileToString(final Class contextClass, final String streamIdentifier)
        throws IOException {

    InputStreamReader inputStreamReader = null;
    try {//w  w w .  j a  va 2  s . c  om
        inputStreamReader = new InputStreamReader(contextClass.getResourceAsStream(streamIdentifier));
        return CharStreams.toString(inputStreamReader);
    } catch (IOException e) {
        throw new IOException();
    } finally {
        if (inputStreamReader != null) {
            inputStreamReader.close();
        }
    }
}

From source file:com.tingtingapps.securesms.crypto.PreKeyUtil.java

private static int getNextSignedPreKeyId(Context context) {
    try {// ww  w  .j a  v  a  2s . c o m
        File nextFile = new File(getSignedPreKeysDirectory(context), SignedPreKeyIndex.FILE_NAME);

        if (!nextFile.exists()) {
            return Util.getSecureRandom().nextInt(Medium.MAX_VALUE);
        } else {
            InputStreamReader reader = new InputStreamReader(new FileInputStream(nextFile));
            SignedPreKeyIndex index = JsonUtils.fromJson(reader, SignedPreKeyIndex.class);
            reader.close();
            return index.nextSignedPreKeyId;
        }
    } catch (IOException e) {
        Log.w("PreKeyUtil", e);
        return Util.getSecureRandom().nextInt(Medium.MAX_VALUE);
    }
}

From source file:org.openqa.selenium.remote.server.SessionLogsTest.java

private static JSONObject getValueForPostRequest(URL serverUrl) throws Exception {
    String postRequest = serverUrl + "/logs";
    HttpClient client = new DefaultHttpClient();
    HttpPost postCmd = new HttpPost(postRequest);
    HttpResponse response = client.execute(postCmd);
    HttpEntity entity = response.getEntity();
    InputStreamReader reader = new InputStreamReader(entity.getContent(), Charsets.UTF_8);
    try {/*from w  w  w.  j a  v a 2s.c om*/
        String str = CharStreams.toString(reader);
        return new JSONObject(str).getJSONObject("value");
    } finally {
        EntityUtils.consume(entity);
        reader.close();
    }
}

From source file:Main.java

static String validGet(URL url) throws IOException {
    String html = "";
    HostnameVerifier hostnameVerifier = org.apache.http.conn.ssl.SSLSocketFactory.STRICT_HOSTNAME_VERIFIER;
    HttpsURLConnection.setDefaultHostnameVerifier(hostnameVerifier);
    // TODO ensure HttpsURLConnection.setDefaultSSLSocketFactory isn't
    // required to be reset like hostnames are
    HttpURLConnection conn = null;
    try {//from   w  ww .  ja v a  2s.c  om
        conn = (HttpURLConnection) url.openConnection();
        conn.setUseCaches(false);
        conn.setRequestMethod("GET");
        setBasicAuthentication(conn, url);
        int status = conn.getResponseCode();
        if (status != 200) {
            Logd(TAG, "Failed to get from server, returned code: " + status);
            throw new IOException("Get failed with error code " + status);
        } else {
            InputStreamReader in = new InputStreamReader(conn.getInputStream());
            BufferedReader br = new BufferedReader(in);
            String decodedString;
            while ((decodedString = br.readLine()) != null) {
                html += decodedString;
            }
            in.close();
        }
    } catch (IOException e) {
        Logd(TAG, "Failed to get from server: " + e.getMessage());
    }
    if (conn != null) {
        conn.disconnect();
    }
    return html;
}

From source file:Main.java

public static String readStringFromInputStreamAndCloseStream(final InputStream inputStream,
        final int bufferSize) throws IOException {
    if (bufferSize <= 0) {
        // Safe close: it's more important to alert the programmer of
        // their error than to let them catch and continue on their way.
        throw new IllegalArgumentException("Expected buffer size larger than 0. Got: " + bufferSize);
    }//from  w  ww  .ja  v  a 2 s.  co m

    final StringBuilder stringBuilder = new StringBuilder(bufferSize);
    final InputStreamReader reader = new InputStreamReader(inputStream, Charset.forName("UTF-8"));
    try {
        int charsRead;
        final char[] buffer = new char[bufferSize];
        while ((charsRead = reader.read(buffer, 0, bufferSize)) != -1) {
            stringBuilder.append(buffer, 0, charsRead);
        }
    } finally {
        reader.close();
    }
    return stringBuilder.toString();
}

From source file:Main.java

public static String readFromFile(final File file) throws Exception {
    final FileInputStream filestream = new FileInputStream(file);
    final InputStreamReader reader = new InputStreamReader(filestream);
    try {/*from ww w. jav a 2s .  c  om*/
        final StringBuilder buffer = new StringBuilder();
        final char[] tmp = new char[2048];
        int l;
        while ((l = reader.read(tmp)) != -1) {
            buffer.append(tmp, 0, l);
        }
        return buffer.toString();
    } finally {
        reader.close();
    }
}

From source file:it.eng.spagobi.studio.core.util.JSONReader.java

public static JSONObject createJSONObject(IFile objSel) {
    logger.debug("IN");
    JSONObject o = null;/*from  w ww.j  a v a 2 s .  co m*/
    try {
        InputStream inputStream = objSel.getContents();
        InputStreamReader inputStreamReader = new InputStreamReader(inputStream);
        BufferedReader reader = new BufferedReader(inputStreamReader);

        String line = null;
        StringBuffer stringBuffer = new StringBuffer();
        while ((line = reader.readLine()) != null) {
            stringBuffer.append(line);
        }

        inputStreamReader.close();
        reader.close();
        inputStream.close();

        String contentString = stringBuffer.toString();

        o = new JSONObject(contentString);

    } catch (Exception e) {
        logger.error("error in reading JSON object", e);
        return null;
    } catch (Throwable e) {
        logger.error("error in reading JSON object", e);
        return null;
    }

    logger.debug("OUT");
    return o;
}

From source file:de.fhg.igd.mapviewer.server.file.MapFileTileProvider.java

/**
 * Creates a {@link MapFileTileProvider}
 * //from   ww  w  .  j  a  v a2s .c  o  m
 * @param mapFile the map file
 * 
 * @return the {@link TileProvider} for the given map file
 * 
 * @throws IOException if the map file cannot be read
 * @throws MalformedURLException if an URI for a map file entry is invalid
 */
public static MapFileTileProvider createMapFileTileProvider(File mapFile)
        throws MalformedURLException, IOException {
    Properties mapProperties = new Properties();
    InputStreamReader mapReader = new InputStreamReader(
            getEntryURI(mapFile, FileTiler.MAP_PROPERTIES_FILE).toURL().openStream());
    try {
        mapProperties.load(mapReader);
    } finally {
        mapReader.close();
    }

    Properties converterProperties = new Properties();
    InputStreamReader converterReader = new InputStreamReader(
            getEntryURI(mapFile, FileTiler.CONVERTER_PROPERTIES_FILE).toURL().openStream());
    try {
        converterProperties.load(converterReader);
    } finally {
        converterReader.close();
    }

    // get informations from map properties
    int zoomLevels = Integer.parseInt(mapProperties.getProperty(FileTiler.PROP_ZOOM_LEVELS));

    int[] mapWidth = new int[zoomLevels];
    int[] mapHeight = new int[zoomLevels];

    for (int zoom = 0; zoom < zoomLevels; zoom++) {
        mapWidth[zoom] = Integer.parseInt(mapProperties.getProperty(FileTiler.PROP_MAP_WIDTH + zoom));
        mapHeight[zoom] = Integer.parseInt(mapProperties.getProperty(FileTiler.PROP_MAP_HEIGHT + zoom));
    }

    int tileWidth = Integer.parseInt(mapProperties.getProperty(FileTiler.PROP_TILE_WIDTH));
    int tileHeight = Integer.parseInt(mapProperties.getProperty(FileTiler.PROP_TILE_HEIGHT));

    return new MapFileTileProvider(mapFile, // map file
            converterProperties, // converter properties
            mapWidth, // map width array
            mapHeight, // map height array
            zoomLevels - 1, // default zoom
            0, // minimum zoom
            zoomLevels - 1, // maximum zoom
            zoomLevels - 1, // total map zoom
            tileWidth, // tile width
            tileHeight // tile height
    );
}

From source file:Main.java

public static StringBuffer readInputStream(InputStream inputStream) throws IOException {
    InputStreamReader inputStreamReader = new InputStreamReader(inputStream, "UTF-8");
    BufferedReader bufferedReader = new BufferedReader(inputStreamReader);
    StringBuffer requestXml = new StringBuffer();

    String line;// w  w w  . j a  v a2  s.co m
    while (null != (line = bufferedReader.readLine())) {
        requestXml.append(line).append(System.getProperty("line.separator"));
    }

    bufferedReader.close();
    inputStreamReader.close();

    return requestXml;
}