Example usage for java.io Reader read

Introduction

In this page you can find the example usage for java.io Reader read.

Prototype

public int read(char cbuf[]) throws IOException

Source Link

Document

Reads characters into an array.

Usage

From source file:org.cryptsecure.HttpStringRequest.java

/**
 * Convert the content of a HTTP response into a string.
 * //  w  w  w  .ja  v  a2 s  .c om
 * @param response
 *            the response
 * @return the content as string
 * @throws IOException
 *             Signals that an I/O exception has occurred.
 */
private static String getContentAsString(HttpResponse response) throws IOException {
    String returnString = "";
    HttpEntity httpEntity = response.getEntity();

    InputStream inputStream = httpEntity.getContent();
    InputStreamReader is = new InputStreamReader(inputStream, "ISO-8859-1"); // "UTF-8");

    if (is != null) {
        Writer writer = new StringWriter();

        char[] buffer = new char[1024];
        try {
            Reader reader = new BufferedReader(is);
            int n;
            while ((n = reader.read(buffer)) != -1) {
                writer.write(buffer, 0, n);
            }
        } finally {
            is.close();
        }

        returnString = writer.toString().replace("\n", "");
    }

    return returnString;
}

From source file:FileUtils.java

public static String readStream(Reader stream) throws IOException {

    StringBuffer streamString = new StringBuffer();
    char[] readBuffer = new char[256];
    int readCount = 0;

    while ((readCount = stream.read(readBuffer)) != -1) {
        streamString.append(readBuffer, 0, readCount);
    }/*from w w w .  j  a  va2s  .c o  m*/

    return streamString.toString();
}

From source file:com.ebay.cloud.cms.metadata.dataloader.MetadataDataLoader.java

private static String convertStreamToString(InputStream is) throws IOException {
    if (is != null) {
        Writer writer = new StringWriter();
        char[] buffer = new char[1024];
        try {/*from  ww w.  j  a va2  s .  c o m*/
            Reader reader = new BufferedReader(new InputStreamReader(is, "UTF-8"));
            int n;
            while ((n = reader.read(buffer)) != -1) {
                writer.write(buffer, 0, n);
            }
        } finally {
            is.close();
        }
        return writer.toString();
    } else {
        return "";
    }
}

From source file:CopyUtils.java

/**
 * Copy chars from a <code>Reader</code> to a <code>Writer</code>.
 * @param input the <code>Reader</code> to read from
 * @param output the <code>Writer</code> to write to
 * @return the number of characters copied
 * @throws IOException In case of an I/O problem
 *//*from  ww  w .j  a  v a  2  s .c om*/
public static int copy(Reader input, Writer output) throws IOException {
    char[] buffer = new char[DEFAULT_BUFFER_SIZE];
    int count = 0;
    int n = 0;
    while (-1 != (n = input.read(buffer))) {
        output.write(buffer, 0, n);
        count += n;
    }
    return count;
}

From source file:com.bluetooth.activities.WiFiControl.java

/**
 * This function converts an InputStream in a String, this is needed to
 * serve the .htm file to the client.//from  ww w .  j a va2s .  c  o m
 * <p>
 * To convert the InputStream to String we use the Reader.read(char[]
 * buffer) method. We iterate until the Reader return -1 which means there's
 * no more data to read. We use the StringWriter class to produce the
 * string.
 */
protected static String openHTMLString(Context context, int id) {
    InputStream is = context.getResources().openRawResource(id);
    if (is != null) {
        Writer writer = new StringWriter();

        char[] buffer = new char[1024];
        try {
            Reader reader = new BufferedReader(new InputStreamReader(is, "UTF-8"));
            int n;
            while ((n = reader.read(buffer)) != -1) {
                writer.write(buffer, 0, n);
            }
        } catch (UnsupportedEncodingException e) {
            e.printStackTrace();
        } catch (IOException e) {
            e.printStackTrace();
        } finally {
            try {
                is.close();
            } catch (IOException e) {
                e.printStackTrace();
            }
        }

        return writer.toString();
    } else {
        return "";
    }
}

From source file:it.polimi.brusamentoceruti.moviebookrest.boundary.JsonRequest.java

public static JSONObject doQuery(String Url) throws JSONException, IOException {
    String responseBody = null;/*  w w  w  . j  a v a 2s.co m*/
    HttpGet httpget;
    HttpClient httpClient = new DefaultHttpClient();
    try {
        httpget = new HttpGet(Url);
    } catch (IllegalArgumentException iae) {
        return null;
    }

    HttpResponse response = httpClient.execute(httpget);
    InputStream contentStream = null;
    try {
        StatusLine statusLine = response.getStatusLine();
        if (statusLine == null) {
            throw new IOException(String.format("Unable to get a response from server"));
        }
        int statusCode = statusLine.getStatusCode();
        if (statusCode < 200 && statusCode >= 300) {
            throw new IOException(
                    String.format("OWM server responded with status code %d: %s", statusCode, statusLine));
        }
        /* Read the response content */
        HttpEntity responseEntity = response.getEntity();
        contentStream = responseEntity.getContent();
        Reader isReader = new InputStreamReader(contentStream);
        int contentSize = (int) responseEntity.getContentLength();
        if (contentSize < 0)
            contentSize = 8 * 1024;
        StringWriter strWriter = new StringWriter(contentSize);
        char[] buffer = new char[8 * 1024];
        int n = 0;
        while ((n = isReader.read(buffer)) != -1) {
            strWriter.write(buffer, 0, n);
        }
        responseBody = strWriter.toString();
        contentStream.close();
    } catch (IOException e) {
        throw e;
    } catch (RuntimeException re) {
        httpget.abort();
        throw re;
    } finally {
        if (contentStream != null)
            contentStream.close();
    }
    return new JSONObject(responseBody);
}

From source file:com.tri_voltage.md.io.YoutubeVideoParser.java

private static String getStringFromInputStream(String encoding, InputStream instream)
        throws UnsupportedEncodingException, IOException {
    Writer writer = new StringWriter();

    char[] buffer = new char[1024];
    try {//from   w w w  . ja  v a  2s  .  c o m
        Reader reader = new BufferedReader(new InputStreamReader(instream, encoding));
        int n;
        while ((n = reader.read(buffer)) != -1) {
            writer.write(buffer, 0, n);
        }
    } finally {
        instream.close();
    }
    String result = writer.toString();
    return result;
}

From source file:com.android.volley.misc.Utils.java

public static String readFully(Reader reader) throws IOException {
    try {/* ww  w. j a v a  2s .co  m*/
        StringWriter writer = new StringWriter();
        char[] buffer = new char[1024];
        int count;
        while ((count = reader.read(buffer)) != -1) {
            writer.write(buffer, 0, count);
        }
        return writer.toString();
    } finally {
        reader.close();
    }
}

From source file:eu.e43.impeller.Utils.java

static public String readAll(Reader r) throws IOException {
    int nRead;//from  w ww. j  av  a  2s.  c o  m
    char[] buf = new char[16 * 1024];
    StringBuilder bld = new StringBuilder();
    while ((nRead = r.read(buf)) != -1) {
        bld.append(buf, 0, nRead);
    }
    return bld.toString();
}

From source file:org.apache.manifoldcf.authorities.authorities.jira.JiraSession.java

private static String convertToString(HttpResponse httpResponse) throws IOException {
    HttpEntity entity = httpResponse.getEntity();
    if (entity != null) {
        InputStream is = entity.getContent();
        try {/*  ww w.ja v a 2 s .  c o  m*/
            char[] buffer = new char[65536];
            Reader r = new InputStreamReader(is, getCharSet(entity));
            Writer w = new StringWriter();
            try {
                while (true) {
                    int amt = r.read(buffer);
                    if (amt == -1)
                        break;
                    w.write(buffer, 0, amt);
                }
            } finally {
                w.flush();
            }
            return w.toString();
        } finally {
            is.close();
        }
    }
    return "";
}