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() throws IOException 

Source Link

Document

Reads a single character.

Usage

From source file:org.botlibre.util.Utils.java

/**
 * Get the contents of the stream to a .self file and parse it.
 *//*w  w  w .  j av a2 s  .  com*/
public static String loadTextFile(InputStream stream, String encoding, int maxSize) {
    if (encoding.trim().isEmpty()) {
        encoding = "UTF-8";
    }

    // FEFF because this is the Unicode char represented by the UTF-8 byte order mark (EF BB BF).
    String UTF8_BOM = "\uFEFF";

    StringWriter writer = new StringWriter();
    InputStreamReader reader = null;
    try {
        reader = new InputStreamReader(stream, encoding);
        int size = 0;
        int next = reader.read();
        boolean first = true;
        while (next >= 0) {
            if (first && next == UTF8_BOM.charAt(0)) {
                // skip
            } else {
                writer.write(next);
            }
            next = reader.read();
            if (size > maxSize) {
                throw new BotException(
                        "File size limit exceeded: " + size + " > " + maxSize + " token: " + next);
            }
            size++;
        }
    } catch (IOException exception) {
        throw new BotException("IO Error: " + exception.getMessage(), exception);
    } finally {
        if (reader != null) {
            try {
                reader.close();
            } catch (IOException ignore) {
            }
        }
        if (stream != null) {
            try {
                stream.close();
            } catch (IOException ignore) {
            }
        }
    }
    return writer.toString();
}

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From source file:com.jaxio.celerio.util.IOUtil.java

/**
 * Write to a string the bytes read from an input stream.
 *
 * @param charset the charset used to read the input stream
 * @return the inputstream as a string//from   w  w  w.  ja  v a 2 s  .co m
 */
public String inputStreamToString(InputStream is, String charset) throws IOException {
    InputStreamReader isr = null;
    if (null == charset) {
        isr = new InputStreamReader(is);
    } else {
        isr = new InputStreamReader(is, charset);
    }
    StringWriter sw = new StringWriter();
    int c = -1;
    while ((c = isr.read()) != -1) {
        sw.write(c);
    }
    isr.close();
    return sw.getBuffer().toString();
}

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From source file:com.ficeto.esp.EspExceptionDecoder.java

private int listenOnProcess(String[] arguments) {
    try {/*from  w w w.  j  a v a  2s .  c  om*/
        final Process p = ProcessUtils.exec(arguments);
        Thread thread = new Thread() {
            public void run() {
                try {
                    InputStreamReader reader = new InputStreamReader(p.getInputStream());
                    int c;
                    String line = "";
                    while ((c = reader.read()) != -1) {
                        if ((char) c == '\r')
                            continue;
                        if ((char) c == '\n') {
                            printLine(line);
                            line = "";
                        } else {
                            line += (char) c;
                        }
                    }
                    printLine(line);
                    reader.close();

                    reader = new InputStreamReader(p.getErrorStream());
                    while ((c = reader.read()) != -1)
                        System.err.print((char) c);
                    reader.close();
                } catch (Exception e) {
                }
            }
        };
        thread.start();
        int res = p.waitFor();
        thread.join();
        return res;
    } catch (Exception e) {
    }
    return -1;
}

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From source file:com.hp.avmon.home.service.LicenseService.java

public void callLinuxCpuId() {
    Runtime rt = Runtime.getRuntime();
    Process p = null;// w  w  w .j a v a  2  s.c o  m
    try {
        String vbexepath = getLicensePath() + "/getcpusn";
        p = rt.exec(vbexepath);

        InputStreamReader isr_normal = new InputStreamReader(p.getInputStream());
        int ch = 0;
        StringBuffer strbuf = new StringBuffer();
        while ((ch = isr_normal.read()) != -1) {
            strbuf.append((char) ch);
        }
        p.waitFor();

    } catch (Exception e) {
        // e.printStackTrace();
    }
}

---

From source file:com.hp.avmon.home.service.LicenseService.java

public void callWindowsCpuId() {
    Runtime rt = Runtime.getRuntime();
    Process p = null;/*w  w  w. j a  v  a 2  s  . c o  m*/
    try {
        String exportPath = getLicensePath();
        String vbexepath = "cmd.exe /c" + exportPath + "/" + "vbcpuid_server.exe";
        p = rt.exec(vbexepath);

        InputStreamReader isr_normal = new InputStreamReader(p.getInputStream());
        int ch = 0;
        StringBuffer strbuf = new StringBuffer();
        while ((ch = isr_normal.read()) != -1) {
            strbuf.append((char) ch);
        }
        p.waitFor();

    } catch (Exception e) {
        // e.printStackTrace();
    }
}

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From source file:org.alloy.metal.xml.merge.MergeContext.java

public String serialize(InputStream in) {
    InputStreamReader reader = null;
    int temp;//from   w w  w . j a  v  a 2  s . co  m
    StringBuilder item = new StringBuilder();
    boolean eof = false;
    try {
        reader = new InputStreamReader(in);
        while (!eof) {
            temp = reader.read();
            if (temp == -1) {
                eof = true;
            } else {
                item.append((char) temp);
            }
        }
    } catch (IOException e) {
        LOG.error("Unable to merge source and patch locations", e);
    } finally {
        if (reader != null) {
            try {
                reader.close();
            } catch (Throwable e) {
                LOG.error("Unable to merge source and patch locations", e);
            }
        }
    }

    return item.toString();
}

---

From source file:com.panet.imeta.trans.steps.textfileinput.TextFileInput.java

public static final String getLine(LogWriter log, InputStreamReader reader, int formatNr, StringBuilder line)
        throws KettleFileException {
    int c = 0;/*from  w ww. java2  s . c  o  m*/
    line.setLength(0);

    try {
        switch (formatNr) {
        case TextFileInputMeta.FILE_FORMAT_DOS: {
            while (c >= 0) {
                c = reader.read();

                if (c == '\r' || c == '\n') {
                    c = reader.read(); // skip \n and \r
                    if (c != '\r' && c != '\n') {
                        // make sure its really a linefeed or cariage return
                        // raise an error this is not a DOS file
                        // so we have pulled a character from the next line
                        throw new KettleFileException(Messages.getString("TextFileInput.Log.SingleLineFound"));
                    }
                    return line.toString();
                }
                if (c >= 0)
                    line.append((char) c);
            }
        }
            break;
        case TextFileInputMeta.FILE_FORMAT_UNIX: {
            while (c >= 0) {
                c = reader.read();

                if (c == '\n' || c == '\r') {
                    return line.toString();
                }
                if (c >= 0)
                    line.append((char) c);
            }
        }
            break;
        case TextFileInputMeta.FILE_FORMAT_MIXED:
        // in mixed mode we suppose the LF is the last char and CR is ignored
        // not for MAC OS 9 but works for Mac OS X. Mac OS 9 can use UNIX-Format
        {
            while (c >= 0) {
                c = reader.read();

                if (c == '\n') {
                    return line.toString();
                } else if (c != '\r') {
                    if (c >= 0)
                        line.append((char) c);
                }
            }
        }
            break;
        }
    } catch (KettleFileException e) {
        throw e;
    } catch (Exception e) {
        if (line.length() == 0) {
            throw new KettleFileException(
                    Messages.getString("TextFileInput.Log.Error.ExceptionReadingLine", e.toString()), e);
        }
        return line.toString();
    }
    if (line.length() > 0)
        return line.toString();

    return null;
}

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From source file:com.navjagpal.fileshare.WebServer.java

private void handleLoginRequest(DefaultHttpServerConnection serverConnection, HttpRequest request,
        RequestLine requestLine) throws HttpException, IOException {

    BasicHttpEntityEnclosingRequest enclosingRequest = new BasicHttpEntityEnclosingRequest(
            request.getRequestLine());//w w  w .j  a  v  a2s  .c  o m
    serverConnection.receiveRequestEntity(enclosingRequest);

    InputStream input = enclosingRequest.getEntity().getContent();
    InputStreamReader reader = new InputStreamReader(input);

    StringBuffer form = new StringBuffer();
    while (reader.ready()) {
        form.append((char) reader.read());
    }
    String password = form.substring(form.indexOf("=") + 1);
    if (password.equals(mSharedPreferences.getString(FileSharingService.PREFS_PASSWORD, ""))) {
        HttpResponse response = new BasicHttpResponse(new HttpVersion(1, 1), 302, "Found");
        response.addHeader("Location", "/");
        response.addHeader("Set-Cookie", "id=" + createCookie());
        response.setEntity(new StringEntity(getHTMLHeader() + "Success!" + getHTMLFooter()));
        serverConnection.sendResponseHeader(response);
        serverConnection.sendResponseEntity(response);
    } else {
        HttpResponse response = new BasicHttpResponse(new HttpVersion(1, 1), 401, "Unauthorized");
        response.setEntity(
                new StringEntity(getHTMLHeader() + "<p>Login failed.</p>" + getLoginForm() + getHTMLFooter()));
        serverConnection.sendResponseHeader(response);
        serverConnection.sendResponseEntity(response);
    }
}

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From source file:org.sakaiproject.tool.assessment.qti.helper.AuthoringXml.java

/**
 * get a template as a string from its input stream
 * @param templateName//  ww  w .  j  a va 2 s.  co  m
 * @return the xml string
 */
public String getTemplateAsString(InputStream templateStream) {
    InputStreamReader reader;
    String xmlString = null;
    try {
        reader = new InputStreamReader(templateStream);
        StringWriter out = new StringWriter();
        int c;

        while ((c = reader.read()) != -1) {
            out.write(c);
        }

        reader.close();
        xmlString = (String) out.toString();
    } catch (Exception e) {
        log.error(e.getMessage(), e);
    }

    return xmlString;

}

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From source file:org.pentaho.platform.dataaccess.datasource.wizard.csv.CsvUtils.java

protected String getLines(String fileLocation, int rows, String encoding) {
    File file = new File(fileLocation);

    // read one line, including all EOL characters
    InputStream in;//from   www.j a  va 2 s  . com
    InputStreamReader inr = null;
    StringBuilder line = new StringBuilder();
    int count = 0;
    try {
        in = new FileInputStream(file);
        inr = new InputStreamReader(in, encoding);

        int c = inr.read();
        boolean looking = true;
        while (looking && c > 0) {
            line.append((char) c);
            if (c == '\r' || c == '\n') {
                // look at the next char
                c = inr.read();
                if (c == '\r' || c == '\n') {
                    line.append((char) c);
                    c = inr.read();
                }
                count++;
                if (count == rows) {
                    looking = false;
                }
            } else {
                c = inr.read();
            }
        }
    } catch (IOException e) {
        //do nothing
    } finally {
        if (inr != null) {
            try {
                inr.close();
            } catch (IOException e) {
                // ignore this one
            }
        }
    }
    return line.toString();

}

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