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.apache.manifoldcf.connectorcommon.common.CommonsHTTPSender.java

private static String getResponseBodyAsString(BackgroundHTTPThread methodThread)
        throws IOException, InterruptedException, HttpException {
    InputStream is = methodThread.getSafeInputStream();
    if (is != null) {
        try {/*w  w  w  .  ja  v a  2s  .  c  o  m*/
            Charset charSet = methodThread.getCharSet();
            if (charSet == null)
                charSet = StandardCharsets.UTF_8;
            char[] buffer = new char[65536];
            Reader r = new InputStreamReader(is, charSet);
            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 "";
}

From source file:im.vector.util.BugReporter.java

/**
 * Read the file content as String//from   w w w.j  a  v a  2s. c  o m
 *
 * @param fin the input file
 * @return the file content as String
 */
private static String convertStreamToString(File fin) {
    Reader reader = null;

    try {
        Writer writer = new StringWriter();
        InputStream inputStream = new FileInputStream(fin);
        try {
            reader = new BufferedReader(new InputStreamReader(inputStream, "UTF-8"));
            int n;

            char[] buffer = new char[2048];
            while ((n = reader.read(buffer)) != -1) {
                writer.write(buffer, 0, n);
            }
        } finally {
            try {
                if (null != reader) {
                    reader.close();
                }
            } catch (Exception e) {
                Log.e(LOG_TAG, "## convertStreamToString() failed to close inputStream " + e.getMessage());
            }
        }
        return writer.toString();
    } catch (Exception e) {
        Log.e(LOG_TAG, "## convertStreamToString() failed " + e.getMessage());
    } catch (OutOfMemoryError oom) {
        Log.e(LOG_TAG, "## convertStreamToString() failed " + oom.getMessage());
    } finally {
        try {
            if (null != reader) {
                reader.close();
            }
        } catch (Exception e) {
            Log.e(LOG_TAG, "## convertStreamToString() failed to close inputStream " + e.getMessage());
        }
    }

    return "";
}

From source file:com.android.aft.AFNetworkConnection.AFNetworkConnection.java

/**
 * Transform an InputStream into a String
 *
 * @param is InputStream//  w ww. ja  v  a 2s.co m
 * @return String from the InputStream
 * @throws IOException If a problem occurs while reading the InputStream
 */
public static String convertStreamToString(InputStream is, boolean isGzipEnabled, HttpMethod method,
        int contentLength) throws IOException {
    InputStream cleanedIs = is;
    if (isGzipEnabled) {
        cleanedIs = new GZIPInputStream(is);
    }

    try {
        switch (method) {
        case Get:
            final BufferedReader reader = new BufferedReader(new InputStreamReader(cleanedIs));
            final StringBuilder sb = new StringBuilder();

            String line = null;

            while ((line = reader.readLine()) != null) {
                sb.append(line + "\n");
            }

            return sb.toString();

        case Post:
            int i = contentLength;
            if (i < 0) {
                i = 4096;
            }

            final Reader readerPost = new InputStreamReader(cleanedIs);
            final CharArrayBuffer buffer = new CharArrayBuffer(i);
            final char[] tmp = new char[1024];
            int l;
            while ((l = readerPost.read(tmp)) != -1) {
                buffer.append(tmp, 0, l);
            }
            return buffer.toString();

        default:
            return null;
        }
    } finally {
        cleanedIs.close();

        if (isGzipEnabled) {
            is.close();
        }
    }
}

From source file:com.xqdev.jam.MLJAM.java

private static String getBody(HttpServletRequest req) {
    try {/* w  ww .  j  av  a2s .  c  o  m*/
        // Try reading the post body using characters.
        // This might throw an exception if something on the
        // server side already called getInputStream().
        // In that case we'll pull as bytes.
        Reader reader = null;
        try {
            reader = new BufferedReader(req.getReader());
        } catch (IOException e) {
            reader = new BufferedReader(new InputStreamReader(req.getInputStream(), "UTF-8"));
        }

        StringBuffer sbuf = new StringBuffer();
        char[] cbuf = new char[4096];
        int count = 0;
        while ((count = reader.read(cbuf)) != -1) {
            sbuf.append(cbuf, 0, count);
        }
        return sbuf.toString();
    } catch (IOException e2) {
        throw new ServerProblemException("IOException in reading POST body: " + e2.getMessage());
    }
}

From source file:hudson.Util.java

public static void copyStream(Reader in, Writer out) throws IOException {
    char[] buf = new char[8192];
    int len;/*from  w w w  . ja v a  2s  .c o  m*/
    while ((len = in.read(buf)) > 0)
        out.write(buf, 0, len);
}

From source file:it.govpay.web.utils.Utils.java

public static void copy2(Reader in, Writer out) throws IOException {

    // do not allow other threads to read from the
    // input or write to the output while copying is
    // taking place

    synchronized (in) {
        synchronized (out) {

            char[] buffer = new char[256];
            while (true) {
                int bytesRead = in.read(buffer);
                if (bytesRead == -1)
                    break;
                out.write(buffer, 0, bytesRead);
            }//from ww  w. j av a 2  s  .c  om
        }
    }
}

From source file:com.bumptech.glide.disklrucache.DiskLruCacheTest.java

private static String readFile(File file) throws Exception {
    Reader reader = new FileReader(file);
    StringWriter writer = new StringWriter();
    char[] buffer = new char[1024];
    int count;//from   www .j  a  v  a 2s.co  m
    while ((count = reader.read(buffer)) != -1) {
        writer.write(buffer, 0, count);
    }
    reader.close();
    return writer.toString();
}

From source file:com.example.android.networkconnect.DownloadUrl.java

public String readIt(InputStream stream, int len) throws IOException, UnsupportedEncodingException {
    Reader reader = null;
    reader = new InputStreamReader(stream, "UTF-8");
    char[] buffer = new char[len];
    reader.read(buffer);
    return new String(buffer);
}

From source file:com.eclipsesource.jaxrs.consumer.example.GitHubUserProvider.java

public String convertStreamToString(InputStream is) throws IOException {
    Writer writer = new StringWriter();
    char[] buffer = new char[1024];
    try {//from   www  .  ja  v  a 2 s.c om
        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();
}

From source file:com.morphoss.acal.service.connector.AcalRequestor.java

public static String convertStreamToString(InputStream in) throws IOException {
    if (in == null)
        return null;
    Writer writer = new StringWriter();
    char[] buffer = new char[1024];
    Reader reader = new BufferedReader(new InputStreamReader(in, "UTF-8"));
    int n;//from   w  w  w.j  a  v a  2 s.c o m
    while ((n = reader.read(buffer)) != -1) {
        writer.write(buffer, 0, n);
    }
    in.close();
    return writer.toString();
}