Example usage for java.io InputStreamReader close

List of usage examples for java.io InputStreamReader close

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Introduction

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

Prototype

public void close() throws IOException

Source Link

Usage

From source file:com.controller.CuotasController.java

@RequestMapping("cuotasAdmin.htm")
public ModelAndView getCuotasAdmin(HttpServletRequest request) {
    sesion = request.getSession();/*from  w w w  .j a va 2s . c  om*/
    ModelAndView mav = new ModelAndView();
    String mensaje = null;
    Detalles detalle = (Detalles) sesion.getAttribute("cuenta");

    String country = detalle.getCiudad();
    String amount = "5";
    String myURL = "http://192.168.5.39/app_dev.php/public/get/rates";
    // System.out.println("Requested URL:" + myURL);
    StringBuilder sb = new StringBuilder();
    URLConnection urlConn = null;
    InputStreamReader in = null;
    try {
        URL url = new URL(myURL);
        urlConn = url.openConnection();
        if (urlConn != null) {
            urlConn.setReadTimeout(60 * 1000);
            urlConn.setDoOutput(true);
            String data = URLEncoder.encode("country", "UTF-8") + "=" + URLEncoder.encode(country, "UTF-8");
            data += "&" + URLEncoder.encode("amount", "UTF-8") + "=" + URLEncoder.encode(amount, "UTF-8");

            System.out.println("los Datos a enviar por POST son " + data);

            try ( //obtenemos el flujo de escritura
                    OutputStreamWriter wr = new OutputStreamWriter(urlConn.getOutputStream())) {
                //escribimos
                wr.write(data);
                wr.flush();
                //cerramos la conexin
            }
        }
        if (urlConn != null && urlConn.getInputStream() != null) {
            in = new InputStreamReader(urlConn.getInputStream(), Charset.defaultCharset());

            BufferedReader bufferedReader = new BufferedReader(in);
            if (bufferedReader != null) {
                int cp;
                while ((cp = bufferedReader.read()) != -1) {
                    sb.append((char) cp);
                }
                bufferedReader.close();
            }
        }
        in.close();
    } catch (Exception e) {
        e.printStackTrace();
        throw new RuntimeException("Exception while calling URL:" + myURL, e);
    }
    String resultado = sb.toString();

    if (sesion.getAttribute("usuario") == null) {

        mav.setViewName("login/login");

    } else {
        sesionUser = sesion.getAttribute("usuario").toString();
        //Detalles detalle = (Detalles) sesion.getAttribute("cuenta");
        mav.addObject("country", detalle.getCiudad());
        mav.addObject("resultado", resultado);

        if (sesion.getAttribute("tipoUsuario").toString().compareTo("Administrador") == 0) {
            mav.setViewName("viewsAdmin/cuotasAdmin");
            System.out.println("el usuario es administrador");
        } else {
            mav.setViewName("panel/cuotas");
        }
    }
    return mav;
}

From source file:com.controller.CuotasController.java

@RequestMapping(value = "postCuotas.htm", method = RequestMethod.POST)
public ModelAndView postCuotas(HttpServletRequest request) {

    sesion = request.getSession();//from  w  ww  .java2  s.c o  m
    String country = request.getParameter("country");
    String amount = request.getParameter("amount");

    Detalles detalle = (Detalles) sesion.getAttribute("cuenta");
    System.out.print(detalle.getCiudad());

    String myURL = "http://192.168.5.39/app_dev.php/public/get/rates";
    // System.out.println("Requested URL:" + myURL);
    StringBuilder sb = new StringBuilder();
    URLConnection urlConn = null;
    InputStreamReader in = null;
    try {
        URL url = new URL(myURL);
        urlConn = url.openConnection();
        if (urlConn != null) {
            urlConn.setReadTimeout(60 * 1000);
            urlConn.setDoOutput(true);
            String data = URLEncoder.encode("country", "UTF-8") + "=" + URLEncoder.encode(country, "UTF-8");
            data += "&" + URLEncoder.encode("amount", "UTF-8") + "=" + URLEncoder.encode(amount, "UTF-8");

            System.out.println("los Datos a enviar por POST son " + data);

            try ( //obtenemos el flujo de escritura
                    OutputStreamWriter wr = new OutputStreamWriter(urlConn.getOutputStream())) {
                //escribimos
                wr.write(data);
                wr.flush();
                //cerramos la conexin
            }
        }
        if (urlConn != null && urlConn.getInputStream() != null) {
            in = new InputStreamReader(urlConn.getInputStream(), Charset.defaultCharset());

            BufferedReader bufferedReader = new BufferedReader(in);
            if (bufferedReader != null) {
                int cp;
                while ((cp = bufferedReader.read()) != -1) {
                    sb.append((char) cp);
                }
                bufferedReader.close();
            }
        }
        in.close();
    } catch (Exception e) {
        e.printStackTrace();
        throw new RuntimeException("Exception while calling URL:" + myURL, e);
    }
    String resultado = sb.toString();

    ModelAndView mav = new ModelAndView();
    if (sesion.getAttribute("usuario") == null) {

        mav.setViewName("login/login");

    } else {
        sesionUser = sesion.getAttribute("usuario").toString();
        //Detalles detalle = (Detalles) sesion.getAttribute("cuenta");
        mav.addObject("country", detalle.getCiudad());
        mav.addObject("resultado", resultado);

        if (sesion.getAttribute("tipoUsuario").toString().compareTo("Administrador") == 0) {
            mav.setViewName("viewsAdmin/cuotasAdmin");
            System.out.println("el usuario es administrador");
        } else {
            mav.setViewName("panel/cuotas");
        }
    }
    return mav;

}

From source file:org.apache.jasper.compiler.JspReader.java

/**
 * Push a file (and its associated Stream) on the file stack.  THe
 * current position in the current file is remembered.
 *///from  w ww  . j a va 2s.com
private void pushFile(String file, String encoding, InputStreamReader reader)
        throws JasperException, FileNotFoundException {

    // Register the file
    String longName = file;

    int fileid = registerSourceFile(longName);

    if (fileid == -1) {
        err.jspError("jsp.error.file.already.registered", file);
    }

    currFileId = fileid;

    try {
        CharArrayWriter caw = new CharArrayWriter();
        char buf[] = new char[1024];
        for (int i = 0; (i = reader.read(buf)) != -1;)
            caw.write(buf, 0, i);
        caw.close();
        if (current == null) {
            current = new Mark(this, caw.toCharArray(), fileid, getFile(fileid), master, encoding);
        } else {
            current.pushStream(caw.toCharArray(), fileid, getFile(fileid), longName, encoding);
        }
    } catch (Throwable ex) {
        log.error("Exception parsing file ", ex);
        // Pop state being constructed:
        popFile();
        err.jspError("jsp.error.file.cannot.read", file);
    } finally {
        if (reader != null) {
            try {
                reader.close();
            } catch (Exception any) {
            }
        }
    }
}

From source file:eu.musesproject.server.policyrulesselector.PolicySelector.java

private String getFullJSONDevicePolicy() {//TODO This is a sample policy selection, hence the selection of concrete policies based on decisions is yet to be done
    String jsonDevicePolicy = null;
    BufferedReader br = null;//  w  w  w.  j  av a 2 s.  c  o m
    InputStream in = null;
    InputStreamReader is = null;
    try {
        in = FileManager.get().open("devpolicies/muses-device-policy-prototype.xml");
        is = new InputStreamReader(in);
        StringBuilder sb = new StringBuilder();
        br = new BufferedReader(is);
        String read = br.readLine();

        while (read != null) {
            sb.append(read);
            read = br.readLine();
        }
        String fileContent = sb.toString();
        JSONObject xmlJSONObj = XML.toJSONObject(fileContent);
        jsonDevicePolicy = xmlJSONObj.toString();
    } catch (JSONException je) {
        logger.error("JSONException:" + je.getCause());
    } catch (IOException e) {
        logger.error("IOException:" + e.getCause());
    } finally {

        try {
            if (br != null) {
                br.close();
            }
        } catch (IOException e) {
            logger.error("IOException:" + e.getCause());

        }
        try {
            if (in != null) {
                in.close();
            }
        } catch (IOException e) {
            logger.error("IOException:" + e.getCause());

        }
        try {
            if (is != null) {
                is.close();
            }
        } catch (IOException e) {
            logger.error("IOException:" + e.getCause());

        }
    }

    return jsonDevicePolicy;
}

From source file:org.activiti.dmn.xml.converter.DmnXMLConverter.java

public DmnDefinition convertToDmnModel(InputStreamProvider inputStreamProvider, boolean validateSchema,
        boolean enableSafeBpmnXml, String encoding) {
    XMLInputFactory xif = XMLInputFactory.newInstance();

    if (xif.isPropertySupported(XMLInputFactory.IS_REPLACING_ENTITY_REFERENCES)) {
        xif.setProperty(XMLInputFactory.IS_REPLACING_ENTITY_REFERENCES, false);
    }//w  ww  .j  av a2s .co  m

    if (xif.isPropertySupported(XMLInputFactory.IS_SUPPORTING_EXTERNAL_ENTITIES)) {
        xif.setProperty(XMLInputFactory.IS_SUPPORTING_EXTERNAL_ENTITIES, false);
    }

    if (xif.isPropertySupported(XMLInputFactory.SUPPORT_DTD)) {
        xif.setProperty(XMLInputFactory.SUPPORT_DTD, false);
    }

    InputStreamReader in = null;
    try {
        in = new InputStreamReader(inputStreamProvider.getInputStream(), encoding);
        XMLStreamReader xtr = xif.createXMLStreamReader(in);

        try {
            if (validateSchema) {

                if (!enableSafeBpmnXml) {
                    validateModel(inputStreamProvider);
                } else {
                    validateModel(xtr);
                }

                // The input stream is closed after schema validation
                in = new InputStreamReader(inputStreamProvider.getInputStream(), encoding);
                xtr = xif.createXMLStreamReader(in);
            }

        } catch (Exception e) {
            throw new DmnXMLException(e.getMessage(), e);
        }

        // XML conversion
        return convertToDmnModel(xtr);

    } catch (UnsupportedEncodingException e) {
        throw new DmnXMLException("The dmn xml is not UTF8 encoded", e);
    } catch (XMLStreamException e) {
        throw new DmnXMLException("Error while reading the BPMN 2.0 XML", e);
    } finally {
        if (in != null) {
            try {
                in.close();
            } catch (IOException e) {
                LOGGER.debug("Problem closing DMN input stream", e);
            }
        }
    }
}

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

/**
 * Read /proc/stat file, parse and calculate cumulative CPU.
 *//*ww  w .ja  v a  2s. c o m*/
private void readProcStatFile() {
    // Read "/proc/stat" file
    BufferedReader in;
    InputStreamReader fReader;
    try {
        fReader = new InputStreamReader(new FileInputStream(procfsStatFile), Charset.forName("UTF-8"));
        in = new BufferedReader(fReader);
    } catch (FileNotFoundException f) {
        // shouldn't happen....
        return;
    }

    Matcher mat;
    try {
        String str = in.readLine();
        while (str != null) {
            mat = CPU_TIME_FORMAT.matcher(str);
            if (mat.find()) {
                long uTime = Long.parseLong(mat.group(1));
                long nTime = Long.parseLong(mat.group(2));
                long sTime = Long.parseLong(mat.group(3));
                cpuTimeTracker.updateElapsedJiffies(BigInteger.valueOf(uTime + nTime + sTime),
                        getCurrentTime());
                break;
            }
            str = in.readLine();
        }
    } catch (IOException io) {
        LOG.warn("Error reading the stream " + io);
    } finally {
        // Close the streams
        try {
            fReader.close();
            try {
                in.close();
            } catch (IOException i) {
                LOG.warn("Error closing the stream " + in);
            }
        } catch (IOException i) {
            LOG.warn("Error closing the stream " + fReader);
        }
    }
}

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

/**
 * Read /proc/net/dev file, parse and calculate amount
 * of bytes read and written through the network.
 *///from  w  ww. j  a  va2s  .c  om
private void readProcNetInfoFile() {

    numNetBytesRead = 0L;
    numNetBytesWritten = 0L;

    // Read "/proc/net/dev" file
    BufferedReader in;
    InputStreamReader fReader;
    try {
        fReader = new InputStreamReader(new FileInputStream(procfsNetFile), Charset.forName("UTF-8"));
        in = new BufferedReader(fReader);
    } catch (FileNotFoundException f) {
        return;
    }

    Matcher mat;
    try {
        String str = in.readLine();
        while (str != null) {
            mat = PROCFS_NETFILE_FORMAT.matcher(str);
            if (mat.find()) {
                assert mat.groupCount() >= 16;

                // ignore loopback interfaces
                if (mat.group(1).equals("lo")) {
                    str = in.readLine();
                    continue;
                }
                numNetBytesRead += Long.parseLong(mat.group(2));
                numNetBytesWritten += Long.parseLong(mat.group(10));
            }
            str = in.readLine();
        }
    } catch (IOException io) {
        LOG.warn("Error reading the stream " + io);
    } finally {
        // Close the streams
        try {
            fReader.close();
            try {
                in.close();
            } catch (IOException i) {
                LOG.warn("Error closing the stream " + in);
            }
        } catch (IOException i) {
            LOG.warn("Error closing the stream " + fReader);
        }
    }
}

From source file:cn.edu.henu.rjxy.lms.controller.TeaController.java

public String read(String ff) {
    String fileContent = "";
    try {//from   ww  w  .j  av a 2s  .co  m
        File f = new File(ff);
        if (f.isFile() && f.exists()) {
            InputStreamReader read = new InputStreamReader(new FileInputStream(f), "gbk");
            BufferedReader reader = new BufferedReader(read);
            String line;
            while ((line = reader.readLine()) != null) {
                fileContent += line;
            }
            read.close();
        }
    } catch (Exception e) {
        e.printStackTrace();
    }
    return fileContent;
}

From source file:cn.edu.henu.rjxy.lms.controller.TeaController.java

@RequestMapping("teacher/scTree")
public @ResponseBody String scTree(HttpServletRequest request) throws FileNotFoundException, IOException {
    String sn = getCurrentUsername();
    Teacher tec = TeacherDao.getTeacherBySn(sn);
    String tec_sn = tec.getTeacherSn();
    String tec_name = tec.getTeacherName();
    String collage = tec.getTeacherCollege();
    String term = request.getParameter("term");
    String courseName = request.getParameter("courseName");
    String ff = getFileFolder(request) + term + "/" + collage + "/" + tec_sn + "/" + tec_name + "/" + courseName
            + "/" + "" + "/" + "test.json";
    String fileContent = "";
    try {/*from w  w  w.  j a  v  a2 s  .  co  m*/
        File f = new File(ff);
        if (f.isFile() && f.exists()) {
            InputStreamReader read = new InputStreamReader(new FileInputStream(f), "gbk");
            BufferedReader reader = new BufferedReader(read);
            String line;
            while ((line = reader.readLine()) != null) {
                fileContent += line;
            }
            read.close();
        }
    } catch (Exception e) {
        e.printStackTrace();
    }
    System.out.println(fileContent);
    return fileContent;
}