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:hudson.Util.java

public static String loadFile(File logfile, Charset charset) throws IOException {
    if (!logfile.exists())
        return "";

    StringBuilder str = new StringBuilder((int) logfile.length());

    BufferedReader r = new BufferedReader(new InputStreamReader(new FileInputStream(logfile), charset));
    char[] buf = new char[1024];
    int len;/*from  w  w  w . jav a2s  .  c  o  m*/
    while ((len = r.read(buf, 0, buf.length)) > 0)
        str.append(buf, 0, len);
    r.close();

    return str.toString();
}

From source file:com.vmware.aurora.vc.VcFileManager.java

static private String loadOvfContents(String ovfPath) throws IOException {
    BufferedReader reader = null;
    char[] ovfBuf = null;
    try {//from  w  w  w  .  jav a2s.co m
        File ovfFile = new File(ovfPath);
        reader = new BufferedReader(new FileReader(ovfFile));
        AuAssert.check(ovfFile.length() < MAX_OVF_SIZE);
        int totalLen = (int) (ovfFile.length() < MAX_OVF_SIZE ? ovfFile.length() : MAX_OVF_SIZE);
        ovfBuf = new char[totalLen];
        int len, offset = 0;
        while (offset < totalLen && (len = reader.read(ovfBuf, offset, totalLen - offset)) != -1) {
            offset += len;
        }
    } finally {
        if (reader != null) {
            reader.close();
        }
    }

    return new String(ovfBuf);
}

From source file:org.eredlab.g4.ccl.net.DaytimeTCPClient.java

/***
 * Retrieves the time string from the server and returns it.  The
 * server will have closed the connection at this point, so you should
 * call// w ww  . ja  v a2  s. c  om
 * {@link org.apache.commons.net.SocketClient#disconnect  disconnect }
 * after calling this method.  To retrieve another time, you must
 * initiate another connection with
 * {@link org.apache.commons.net.SocketClient#connect  connect }
 * before calling <code> getTime() </code> again.
 * <p>
 * @return The time string retrieved from the server.
 * @exception IOException  If an error occurs while fetching the time string.
 ***/
public String getTime() throws IOException {
    int read;
    StringBuffer result = new StringBuffer(__buffer.length);
    BufferedReader reader;

    reader = new BufferedReader(new InputStreamReader(_input_));

    while (true) {
        read = reader.read(__buffer, 0, __buffer.length);
        if (read <= 0)
            break;
        result.append(__buffer, 0, read);
    }

    return result.toString();
}

From source file:Ch5Persistent.java

private void readContent(BufferedReader reader, int contentLength) throws IOException {
    char[] buffer = new char[contentLength];
    reader.read(buffer, 0, contentLength);

    styledText.append(new String(buffer));
}

From source file:com.simplenoteapp.test.Test.java

private String readResponse(InputStream is) throws IOException {
    char cbuf[] = new char[BUFFER_SIZE];
    StringBuffer sbuf = new StringBuffer();
    BufferedReader r = null;
    try {/*from  w ww .  jav a 2  s . c om*/
        r = new BufferedReader(new InputStreamReader(is));
        for (;;) {
            int n = r.read(cbuf, 0, BUFFER_SIZE);
            if (n == -1)
                break;
            sbuf.append(cbuf, 0, n);
        }
    } finally {
        try {
            r.close();
        } catch (IOException e) {
        }
    }
    return sbuf.toString();
}

From source file:org.apache.zeppelin.shell.terminal.service.TerminalService.java

private void printReader(BufferedReader bufferedReader) {
    try {/*  w  w w  . j a  v  a2s.c  o  m*/
        int nRead;
        char[] data = new char[10 * 1024];

        while ((nRead = bufferedReader.read(data, 0, data.length)) != -1) {
            StringBuilder builder = new StringBuilder(nRead);
            builder.append(data, 0, nRead);
            print(builder.toString());
        }
    } catch (Exception e) {
        LOGGER.error(e.getMessage(), e);
    }
}

From source file:mondrian.spi.impl.FilterDynamicSchemaProcessor.java

/**
 * Reads the contents of a schema as a stream and returns the result as a
 * string./*w  w w. j a v  a2  s.c om*/
 * 
 * <p>
 * The default implementation returns the contents of the schema unchanged.
 * 
 * @param schemaUrl
 *          the URL of the catalog
 * @param connectInfo
 *          Connection properties
 * @param stream
 *          Schema contents represented as a stream
 * @return the modified schema
 * @throws Exception
 *           if an error occurs
 */
protected String filter(String schemaUrl, Util.PropertyList connectInfo, InputStream stream) throws Exception {
    BufferedReader in = new BufferedReader(new InputStreamReader(stream));
    try {
        StringBuilder builder = new StringBuilder();
        char[] buf = new char[2048];
        int readCount;
        while ((readCount = in.read(buf, 0, buf.length)) >= 0) {
            builder.append(buf, 0, readCount);
        }
        return builder.toString();
    } finally {
        in.close();
    }
}

From source file:org.apache.hadoop.util.SSHRemoteExecution.java

protected void parseExecResult(BufferedReader lines) throws IOException {
    output = new StringBuffer();
    char[] buf = new char[512];
    int nRead;//w w  w. ja  v a  2  s .  c  om
    while ((nRead = lines.read(buf, 0, buf.length)) > 0) {
        output.append(buf, 0, nRead);
    }
}

From source file:com.pursuer.reader.easyrss.network.AbsDataSyncer.java

protected String parseContent(final Reader in) throws DataSyncerException {
    final StringBuilder builder = new StringBuilder();
    try {//from   w w w  .j av  a2 s  .c  o m
        final char buff[] = new char[8192];
        int len;
        final BufferedReader reader = new BufferedReader(in, 8192);
        while ((len = reader.read(buff, 0, buff.length)) != -1) {
            builder.append(buff, 0, len);
        }
        return builder.toString();
    } catch (IOException e) {
        throw new DataSyncerException(e);
    } finally {
        try {
            in.close();
        } catch (final IOException exception) {
            exception.printStackTrace();
        }
    }
}

From source file:com.ibm.liberty.starter.ProjectZipConstructor.java

public byte[] getHtmlFile() throws IOException {
    InputStream htmlIS = this.getClass().getClassLoader().getResourceAsStream(BASE_INDEX_HTML);
    HashMap<String, byte[]> techDescriptions = new HashMap<String, byte[]>();
    for (Service service : services.getServices()) {
        Provider provider = serviceConnector.getProvider(service);
        String description = provider.getDescription();
        byte[] bytes = description.getBytes();
        techDescriptions.put(service.getId(), bytes);
    }/*from   ww  w  . j  a va 2s .c  o m*/

    ByteArrayOutputStream baos = new ByteArrayOutputStream();
    final int MAX_SIZE = 200000;
    char[] buffer = new char[MAX_SIZE];
    BufferedReader reader = null;
    try {
        reader = new BufferedReader(new InputStreamReader(htmlIS));
        reader.read(buffer, 0, MAX_SIZE);
    } catch (Exception e) {
        return null;
    } finally {
        reader.close();
    }
    String contents = new String(buffer);
    int index = contents.indexOf("<div id=\"technologies\">");
    if (index != -1) {
        int length = contents.length();
        String first = contents.substring(0, index);
        String last = contents.substring(index, length);
        baos.write(first.getBytes());
        Set<String> keys = techDescriptions.keySet();
        for (String key : keys) {
            baos.write(techDescriptions.get(key));
        }
        baos.write(last.getBytes());
    }
    return baos.toByteArray();
}