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:io.github.azige.mages.Util.java

static String readAll(Reader in) throws IOException {
    StringBuilder sb = new StringBuilder();
    char[] buffer = new char[BUFFER_SIZE];
    for (int b; (b = in.read(buffer)) != -1;) {
        sb.append(buffer, 0, b);//from www .  j ava 2  s.  c o m
    }
    return sb.toString();
}

From source file:Main.java

public static String descomprimeComGZIP(byte[] bytes, String encoding) {
    String decompressedString = "";
    try {//from   w  w  w .jav  a2  s  .c  o m
        ByteArrayInputStream bais = new ByteArrayInputStream(bytes);
        GZIPInputStream gzip = new GZIPInputStream(bais);
        Reader reader = new InputStreamReader(gzip, encoding);
        StringBuffer sbuf = new StringBuffer();
        char[] buffer = new char[32 * 1024];
        int nread;
        while ((nread = reader.read(buffer)) >= 0) {
            sbuf.append(buffer, 0, nread);
        }
        decompressedString = sbuf.toString();
        reader.close();
    } catch (Exception e) {
        e.printStackTrace();
    }
    return decompressedString;
}

From source file:com.nebhale.jsonpath.testutils.JsonUtils.java

private static String readFile(String file) throws IOException {
    StringBuilder sb = new StringBuilder();

    Reader in = null;
    try {//from w  w w . j  av a 2  s .c om
        in = new FileReader(file);

        char[] buffer = new char[8192];
        int length;
        while ((length = in.read(buffer)) != -1) {
            sb.append(buffer, 0, length);
        }
    } finally {
        if (in != null) {
            in.close();
        }
    }

    return sb.toString();
}

From source file:Streams.java

public static void drain(Reader r, Writer w) throws IOException {
    char[] bytes = new char[BLOCK_SIZE];
    try {//from w  ww . j a v  a 2s  .co m
        int length = r.read(bytes);
        while (length != -1) {
            if (length != 0) {
                w.write(bytes, 0, length);
            }
            length = r.read(bytes);
        }
    } finally {
        bytes = null;
    }

}

From source file:Main.java

/**
 * Copies characters from a reader to a writer. When the reading is done,
 * the reader is closed./*w  ww.j  a  va2  s  .  c  o  m*/
 * 
 * @param reader
 *            The reader.
 * @param writer
 *            The writer.
 * @throws IOException
 */
public static void copy(Reader reader, java.io.Writer writer) throws IOException {
    int charsRead;
    char[] buffer = new char[2048];

    while ((charsRead = reader.read(buffer)) > 0) {
        writer.write(buffer, 0, charsRead);
    }

    writer.flush();
    reader.close();
}

From source file:Main.java

/**
 * Descomprime uma string utilizando o GZIP
 * /*from w  ww .  j a v a  2  s . c  o  m*/
 * @param str
 * @param encoding
 * @return
 */
public static String gzipDecompress(byte[] bytes, String encoding) {
    String decompressedString = "";

    try {
        ByteArrayInputStream bais = new ByteArrayInputStream(bytes);
        GZIPInputStream gzip = new GZIPInputStream(bais);
        Reader reader = new InputStreamReader(gzip, encoding);
        StringBuffer sbuf = new StringBuffer();
        char[] buffer = new char[32 * 1024];
        int nread;
        while ((nread = reader.read(buffer)) >= 0) {
            sbuf.append(buffer, 0, nread);
        }
        decompressedString = sbuf.toString();
        reader.close();
    } catch (Exception e) {
        e.printStackTrace();
    }

    return decompressedString;
}

From source file:Main.java

/**
 * Descomprime uma string utilizando o GZIP
 * // w w w.  j  a v  a 2s  .c  o m
 * @param str
 * @param encoding
 * @return
 */
public static String gzipDecompressString(String str, String encoding) {
    String decompressedString = "";

    try {
        byte[] bytes = Base64.decodeBase64(str.getBytes(encoding));
        ByteArrayInputStream bais = new ByteArrayInputStream(bytes);
        GZIPInputStream gzip = new GZIPInputStream(bais);
        Reader reader = new InputStreamReader(gzip, encoding);
        StringBuffer sbuf = new StringBuffer();
        char[] buffer = new char[32 * 1024];
        int nread;
        while ((nread = reader.read(buffer)) >= 0) {
            sbuf.append(buffer, 0, nread);
        }
        decompressedString = sbuf.toString();
        reader.close();
    } catch (Exception e) {
        e.printStackTrace();
    }

    return decompressedString;
}

From source file:Util.java

/**
 * Charge le contenu d'un stream dans un string
 * /*from   w w  w.j a  v  a 2s.c  o m*/
 * @param stream
 * @return
 * @throws IOException
 */
public static String loadStream(InputStream stream) throws IOException {
    Reader reader = new InputStreamReader(stream, Charset.forName("UTF-8"));
    char[] buffer = new char[1024];
    int count;
    StringBuilder str = new StringBuilder();
    while ((count = reader.read(buffer)) != -1)
        str.append(buffer, 0, count);
    return str.toString();
}

From source file:Main.java

/** Returns the remainder of 'reader' as a string, closing it when done. */
public static String readFully(Reader reader) throws IOException {
    try {/*from   w  w w . ja  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:Main.java

public static int copy(Reader input, Writer output) throws IOException {
    char[] buffer = new char[10 * 1024];
    int count = 0;
    int n = 0;//from  www. j  a  v a2 s .c om
    while (-1 != (n = input.read(buffer))) {
        output.write(buffer, 0, n);
        count += n;
    }
    return count;
}