Example usage for java.io InputStreamReader read

Introduction

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

Prototype

public int read(java.nio.CharBuffer target) throws IOException 

Source Link

Document

Attempts to read characters into the specified character buffer.

Usage

From source file:Main.java

/** read a resource as a String
 * //from   ww w .  j a va2 s.  c o  m
 * @param clazz
 * @param name
 * @return
 * @throws IOException
 */
public static String readResourceAsString(Class clazz, String name) throws IOException {
    StringBuffer fileData = new StringBuffer(1000);
    InputStreamReader reader = new InputStreamReader(clazz.getResourceAsStream(name));
    char[] buf = new char[1024];
    int numRead = 0;
    while ((numRead = reader.read(buf)) != -1) {
        String readData = String.valueOf(buf, 0, numRead);
        fileData.append(readData);
        buf = new char[1024];
    }
    reader.close();
    return fileData.toString().replace("\r\n", "\n");
}

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From source file:Main.java

public static String streamToString(InputStream stream) {
    InputStreamReader reader = new InputStreamReader(stream);
    StringBuilder sb = new StringBuilder();
    char[] buf = new char[256];
    try {// ww w . j a  v  a 2  s .  c o  m
        while (reader.read(buf) != -1) {
            sb.append(buf);
        }
    } catch (IOException e) {
        // Darn
    } finally {
        try {
            stream.close();
        } catch (IOException e) {
        }
    }
    return sb.toString();
}

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From source file:Main.java

public static String convertStreamToString(InputStream is) throws IOException {
    InputStreamReader r = new InputStreamReader(is);
    StringWriter sw = new StringWriter();
    char[] buffer = new char[1024];
    try {/*  w w  w . ja  v  a2  s.  co  m*/
        for (int n; (n = r.read(buffer)) != -1;)
            sw.write(buffer, 0, n);
    } finally {
        try {
            is.close();
        } catch (IOException e1) {
            e1.printStackTrace();
        }
    }
    return sw.toString();
}

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From source file:Main.java

public static String inputStream2String(InputStream in, String encoding) throws Exception {
    StringBuffer out = new StringBuffer();
    InputStreamReader inread = new InputStreamReader(in, encoding);

    char[] b = new char[4096];
    try {/* w  ww .  ja v a 2  s  .c  om*/
        for (int n; (n = inread.read(b)) != -1;) {
            out.append(new String(b, 0, n));
        }
    } catch (IOException e) {
    }
    return out.toString();
}

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From source file:Main.java

public static int doShellCommand(String[] cmds, StringBuilder log, boolean runAsRoot, boolean waitFor)
        throws Exception {
    Process proc = null;/*from   ww w  .  j a v a  2 s  .c o  m*/
    int exitCode = -1;

    if (runAsRoot) {
        proc = Runtime.getRuntime().exec("su");
    } else {
        proc = Runtime.getRuntime().exec("sh");
    }

    OutputStreamWriter out = new OutputStreamWriter(proc.getOutputStream());

    for (int i = 0; i < cmds.length; i++) {
        out.write(cmds[i]);
        out.write("\n");
    }

    out.flush();
    out.write("exit\n");
    out.flush();

    if (waitFor) {
        final char buf[] = new char[10];

        // Consume the "stdout"
        InputStreamReader reader = new InputStreamReader(proc.getInputStream());
        int read = 0;
        while ((read = reader.read(buf)) != -1) {
            if (log != null)
                log.append(buf, 0, read);
        }

        // Consume the "stderr"
        reader = new InputStreamReader(proc.getErrorStream());
        read = 0;
        while ((read = reader.read(buf)) != -1) {
            if (log != null)
                log.append(buf, 0, read);
        }

        exitCode = proc.waitFor();
    }

    return exitCode;
}

---

From source file:Main.java

public static int doShellCommand(String[] cmds, StringBuilder log, boolean runAsRoot, boolean waitFor)
        throws Exception {

    Process proc = null;//from   w  w w  .j av a  2s  .c  om
    int exitCode = -1;

    if (runAsRoot)
        proc = Runtime.getRuntime().exec("su");
    else
        proc = Runtime.getRuntime().exec("sh");

    OutputStreamWriter out = new OutputStreamWriter(proc.getOutputStream());

    for (int i = 0; i < cmds.length; i++) {
        out.write(cmds[i]);
        out.write("\n");
    }

    out.flush();
    out.write("exit\n");
    out.flush();

    if (waitFor) {

        final char buf[] = new char[10];

        // Consume the "stdout"
        InputStreamReader reader = new InputStreamReader(proc.getInputStream());
        int read = 0;
        while ((read = reader.read(buf)) != -1) {
            if (log != null)
                log.append(buf, 0, read);
        }

        // Consume the "stderr"
        reader = new InputStreamReader(proc.getErrorStream());
        read = 0;
        while ((read = reader.read(buf)) != -1) {
            if (log != null)
                log.append(buf, 0, read);
        }

        exitCode = proc.waitFor();

    }

    return exitCode;

}

---

From source file:Main.java

public static int doShellCommand(String[] cmds, StringBuilder log, boolean runAsRoot, boolean waitFor)
        throws Exception {

    Process proc = null;//from   w  w  w.j av  a  2s.c  om
    int exitCode = -1;

    if (runAsRoot) {
        proc = Runtime.getRuntime().exec("su");
    } else {
        proc = Runtime.getRuntime().exec("sh");
    }

    OutputStreamWriter out = new OutputStreamWriter(proc.getOutputStream());

    for (int i = 0; i < cmds.length; i++) {
        // TorService.logMessage("executing shell cmd: " + cmds[i] +
        // "; runAsRoot=" + runAsRoot + ";waitFor=" + waitFor);

        out.write(cmds[i]);
        out.write("\n");
    }

    out.flush();
    out.write("exit\n");
    out.flush();

    if (waitFor) {

        final char buf[] = new char[10];

        // Consume the "stdout"
        InputStreamReader reader = new InputStreamReader(proc.getInputStream());
        int read = 0;
        while ((read = reader.read(buf)) != -1) {
            if (log != null) {
                log.append(buf, 0, read);
            }
        }

        // Consume the "stderr"
        reader = new InputStreamReader(proc.getErrorStream());
        read = 0;
        while ((read = reader.read(buf)) != -1) {
            if (log != null) {
                log.append(buf, 0, read);
            }
        }

        exitCode = proc.waitFor();

    }

    return exitCode;

}

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From source file:com.barrybecker4.common.util.Base64Codec.java

/**
 * Take a String and decompress it.//from w w w . j a v  a 2  s .  c o  m
 * @param data the compressed string to decompress.
 * @return the decompressed string.
 */
public static synchronized String decompress(final String data) {

    // convert from string to bytes for decompressing
    byte[] compressedDat = Base64.decodeBase64(data.getBytes());

    final ByteArrayInputStream in = new ByteArrayInputStream(compressedDat);
    final Inflater inflater = new Inflater();
    final InflaterInputStream iStream = new InflaterInputStream(in, inflater);
    final char cBuffer[] = new char[4096];
    StringBuilder sBuf = new StringBuilder();
    try {
        InputStreamReader iReader = new InputStreamReader(iStream, CONVERTER_UTF8);
        while (true) {
            final int numRead = iReader.read(cBuffer);
            if (numRead == -1) {
                break;
            }
            sBuf.append(cBuffer, 0, numRead);
        }
    } catch (UnsupportedEncodingException e) {
        throw new IllegalArgumentException("Unsupported encoding exception :" + e.getMessage(), e);
    } catch (IOException e) {
        throw new IllegalStateException("io error :" + e.getMessage(), e);
    }

    return sBuf.toString();
}

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From source file:Main.java

/**
 * Convert InputStream to String//from w  ww  .j  a v a 2  s. c o  m
 *
 * @param stream inputStream
 * @return string
 */
private static String streamToString(InputStream stream) {
    StringWriter writer = null;
    if (stream != null) {
        try {
            InputStreamReader reader = new InputStreamReader(stream, "UTF-8");
            writer = new StringWriter();
            int n;
            char[] buffer = new char[1024 * 4];
            while (-1 != (n = reader.read(buffer))) {
                writer.write(buffer, 0, n);
            }
        } catch (IOException e) {
            // @todo better logging
            e.printStackTrace();
        }
    }
    return writer != null ? writer.toString() : "";
}

---

From source file:Main.java

public static int doShellCommand(String cmd, StringBuilder log, boolean runAsRoot, boolean waitFor)
        throws Exception {

    Process proc = null;/*from   w  w  w .j  a  v  a2s .c  o m*/
    int exitCode = -1;

    if (runAsRoot)
        proc = Runtime.getRuntime().exec("su");
    else
        proc = Runtime.getRuntime().exec("sh");

    OutputStreamWriter out = new OutputStreamWriter(proc.getOutputStream());

    //   TorService.logMessage("executing shell cmd: " + cmds[i] + "; runAsRoot=" + runAsRoot + ";waitFor=" + waitFor);

    out.write(cmd);
    out.write("\n");

    out.flush();
    out.write("exit\n");
    out.flush();

    if (waitFor) {

        final char buf[] = new char[10];

        // Consume the "stdout"
        InputStreamReader reader = new InputStreamReader(proc.getInputStream());
        int read = 0;
        while ((read = reader.read(buf)) != -1) {
            if (log != null)
                log.append(buf, 0, read);
        }

        // Consume the "stderr"
        reader = new InputStreamReader(proc.getErrorStream());
        read = 0;
        while ((read = reader.read(buf)) != -1) {
            if (log != null)
                log.append(buf, 0, read);
        }

        exitCode = proc.waitFor();

    }

    return exitCode;

}

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