Example usage for java.io BufferedReader read

Introduction

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

Prototype

public int read(char cbuf[], int off, int len) throws IOException

Source Link

Document

Reads characters into a portion of an array.

Usage

From source file:Main.java

public static void main(String[] args) throws Exception {
    InputStream is = new FileInputStream("c:/test.txt");

    InputStreamReader isr = new InputStreamReader(is);

    BufferedReader br = new BufferedReader(isr);

    char[] cbuf = new char[is.available()];

    br.read(cbuf, 2, 10);

    for (char c : cbuf) {
        if (c == (char) 0) {
            c = '*';
        }/*from  w w  w .  j  a  v a 2s.  c  om*/
        // prints characters
        System.out.print(c);
    }
}

From source file:Converter.java

public static void main(String args[]) throws Exception {
    FileInputStream fis = new FileInputStream(new File("input.txt"));
    BufferedReader in = new BufferedReader(new InputStreamReader(fis, "SJIS"));

    FileOutputStream fos = new FileOutputStream(new File("output.txt"));
    BufferedWriter out = new BufferedWriter(new OutputStreamWriter(fos, "UTF8"));

    int len = 80;
    char buf[] = new char[len];

    int numRead;//w ww  .j  a  v  a  2s.  c  o  m
    while ((numRead = in.read(buf, 0, len)) != -1)
        out.write(buf, 0, numRead);
    out.close();
    in.close();
}

From source file:Main.java

public static String getContentFromFile(InputStream is) {
    char[] buffer = new char[1024];
    StringBuilder stringBuilder = new StringBuilder();
    try {// w  ww. j av  a 2  s .c  om
        InputStreamReader inputStreamReader = new InputStreamReader(is, "UTF-8");
        BufferedReader bufferedReader = new BufferedReader(inputStreamReader);
        while (bufferedReader.read(buffer, 0, 1024) != -1) {
            stringBuilder.append(buffer);
        }
    } catch (IOException e) {
        e.printStackTrace();
    }
    return stringBuilder.toString();
}

From source file:Main.java

public static String readFromFile(final File file) {
    final StringBuilder ret = new StringBuilder();
    try {/*from   w  w w  .ja v  a 2 s .  c o m*/
        final BufferedReader input = new BufferedReader(new FileReader(file), 4096);
        int len;
        final char buff[] = new char[4096];
        while ((len = input.read(buff, 0, 4096)) != -1) {
            ret.append(buff, 0, len);
        }
        input.close();
    } catch (final IOException exception) {
        exception.printStackTrace();
    }
    return ret.toString();
}

From source file:Main.java

public static String readToString(InputStream is) throws IOException {
    BufferedReader reader = new BufferedReader(new InputStreamReader(is, "UTF-8"));
    StringBuilder sb = new StringBuilder();
    char[] buffer = new char[8192];
    int read;//  ww w  .j av  a 2 s. co  m

    while ((read = reader.read(buffer, 0, buffer.length)) > 0) {
        sb.append(buffer, 0, read);
    }

    return sb.toString();
}

From source file:Main.java

public static String toString(final InputStream is, final Charset charset) throws IOException {
    try {/*from w w w . j ava  2  s.c  o  m*/
        final BufferedReader reader = new BufferedReader(new InputStreamReader(is, charset));
        final char[] buffer = new char[8192];
        final StringBuilder sb = new StringBuilder();
        int read;
        while ((read = reader.read(buffer, 0, buffer.length)) != -1) {
            sb.append(buffer, 0, read);
        }
        return sb.toString();
    } finally {
        is.close();
    }
}

From source file:org.dawb.passerelle.common.utils.SubstituteUtils.java

/**
 * Reads a UTF-8 text file with or without a BOM.
 * //from   ww w . j a v  a2  s. c o m
 * @param contents
 * @param variables
 * @return
 * @throws Exception
 */
public static String substitute(final InputStream contents, final Map<String, String> variables)
        throws Exception {

    if (contents == null)
        return null;
    try {
        BufferedReader ir = new BufferedReader(new InputStreamReader(contents, "UTF-8"));
        int c;
        StringBuilder expand = new StringBuilder();
        final char[] buf = new char[4096];
        while ((c = ir.read(buf, 0, 4096)) > 0) {

            if (expand.length() > 0) {
                if (expand.charAt(0) == FileUtils.BOM) {
                    expand.delete(0, 0);
                }
            }

            expand.append(buf, 0, c);
        }
        return SubstituteUtils.substitute(expand.toString(), variables);

    } finally {
        contents.close();
    }
}

From source file:com.machinepublishers.jbrowserdriver.Util.java

static String toString(InputStream inputStream, String charset) {
    try {/*from   w  w  w  .  j  a  va  2  s.  c o  m*/
        final char[] chars = new char[8192];
        StringBuilder builder = new StringBuilder(chars.length);
        BufferedReader reader = new BufferedReader(new InputStreamReader(inputStream, charset), chars.length);
        try {
            for (int len; -1 != (len = reader.read(chars, 0, chars.length)); builder.append(chars, 0, len))
                ;
        } catch (EOFException | SSLProtocolException | ConnectionClosedException | SocketException e) {
        }
        return builder.toString();
    } catch (Throwable t) {
        return null;
    } finally {
        close(inputStream);
    }
}

From source file:MainClass.java

public static void Converter(String input, String output) {
    try {/*w ww.  j  ava  2s . co m*/
        FileInputStream fis = new FileInputStream(new File(input));
        BufferedReader in = new BufferedReader(new InputStreamReader(fis, "SJIS"));

        FileOutputStream fos = new FileOutputStream(new File(output));
        BufferedWriter out = new BufferedWriter(new OutputStreamWriter(fos, "UTF8"));

        int len = 80;
        char buf[] = new char[len];

        int numRead;
        while ((numRead = in.read(buf, 0, len)) != -1)
            out.write(buf, 0, numRead);

        out.close();
        in.close();
    } catch (IOException e) {
        System.out.println("An I/O Exception Occurred: " + e);
    }
}

From source file:com.ruesga.rview.misc.AndroidHelper.java

public static String loadRawResourceAsStream(Context ctx) throws IOException {
    StringBuilder sb = new StringBuilder();
    BufferedReader reader = null;
    try {/* w  w w . j a  va  2  s . c o m*/
        reader = new BufferedReader(
                new InputStreamReader(ctx.getResources().openRawResource(R.raw.repositories)));
        char[] chars = new char[4096];
        int read;
        while ((read = reader.read(chars, 0, 4096)) != -1) {
            sb.append(chars, 0, read);
        }
    } finally {
        if (reader != null) {
            try {
                reader.close();
            } catch (IOException ex) {
                // Ignore
            }
        }
    }
    return sb.toString();
}