Example usage for java.io Reader close

List of usage examples for java.io Reader close

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Introduction

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

Prototype

public abstract void close() throws IOException;

Source Link

Document

Closes the stream and releases any system resources associated with it.

Usage

From source file:de.siemens.quantarch.bugs.IssueTrackerParser.java

/**
 * Parse the project specific configuration file provided in the command
 * line//from   w w  w . j ava2  s .  c  o m
 * 
 * @param projectConfigFile
 * @param config
 */
private static void parseProjectConfiguration(String projectConfigFile, BugExtractorConfig config)
        throws CommandLineArgsException {
    Reader projectFileReader = null;
    try {
        Yaml projectConfigYaml = new Yaml();
        projectFileReader = new FileReader(projectConfigFile);
        @SuppressWarnings("unchecked")
        Map<String, Object> map = (Map<String, Object>) projectConfigYaml.load(projectFileReader);
        // NOTE: project denotes the identifier name used in
        // the database, whereas bugsProject is the name
        // used for bugzilla.
        String project = (String) map.get("project");
        String bugsProject = (String) map.get("bugsProjectName");
        String issueTrackerType = (String) map.get("issueTrackerType");
        String issueTrackerURL = (String) map.get("issueTrackerURL");
        Boolean productAsProject = (Boolean) map.get("productAsProject");
        if (StringUtils.isBlankOrNull(project) || StringUtils.isBlankOrNull(bugsProject)
                || StringUtils.isBlankOrNull(issueTrackerURL) || StringUtils.isBlankOrNull(issueTrackerType)
                || null == productAsProject) {
            throw new CommandLineArgsException("Improper Project Configuration file supplied\n\n");
        }

        config.setIssueTrackerType(issueTrackerType);
        config.setIssueTrackerURL(issueTrackerURL);
        config.setProjectName(project);
        config.setBugsProjectName(bugsProject);
        config.setProductAsProject(productAsProject);
    } catch (FileNotFoundException e) {
        throw new CommandLineArgsException(
                "The global configuration file " + projectConfigFile + " does not exist");
    } finally {
        if (null != projectFileReader) {
            try {
                projectFileReader.close();
            } catch (final IOException ioe) {
                System.err.println("We got the following exception trying to clean up the reader: " + ioe);
            }
        }
    }
}

From source file:de.uzk.hki.da.sb.Cli.java

/**
 * Copies the files listed in a SIP list to a single directory
 * /* w w  w  .  j av a 2  s. com*/
 * @param fileListFile The SIP list file
 * @return The path to the directory containing the files
 */
private String copySipListContentToFolder(File sipListFile) {

    CliProgressManager progressManager = new CliProgressManager();

    String tempFolderName = getTempFolderName();

    XMLReader xmlReader = null;
    SAXParserFactory spf = SAXParserFactory.newInstance();
    try {
        xmlReader = spf.newSAXParser().getXMLReader();
    } catch (Exception e) {
        logger.log("ERROR: Failed to create SAX parser", e);
        System.out.println("Fehler beim Einlesen der SIP-Liste: SAX-Parser konnte nicht erstellt werden.");
        return "";
    }
    xmlReader.setErrorHandler(new ErrorHandler() {

        @Override
        public void error(SAXParseException e) throws SAXException {
            throw new SAXException("Beim Einlesen der SIP-Liste ist ein Fehler aufgetreten.", e);
        }

        @Override
        public void fatalError(SAXParseException e) throws SAXException {
            throw new SAXException("Beim Einlesen der SIP-Liste ist ein schwerer Fehler aufgetreten.", e);
        }

        @Override
        public void warning(SAXParseException e) throws SAXException {
            logger.log("WARNING: Warning while parsing siplist", e);
            System.out.println("\nWarnung:\n" + e.getMessage());
        }
    });

    InputStream inputStream;
    try {
        inputStream = new FileInputStream(sipListFile);

        Reader reader = new InputStreamReader(inputStream, "UTF-8");
        Builder parser = new Builder(xmlReader);
        Document doc = parser.build(reader);
        reader.close();

        Element root = doc.getRootElement();
        Elements sipElements = root.getChildElements("sip");

        long files = 0;
        for (int i = 0; i < sipElements.size(); i++) {
            Elements fileElements = sipElements.get(i).getChildElements("file");
            if (fileElements != null)
                files += fileElements.size();
        }
        progressManager.setTotalSize(files);

        for (int i = 0; i < sipElements.size(); i++) {
            Element sipElement = sipElements.get(i);
            String sipName = sipElement.getAttributeValue("name");

            File tempDirectory = new File(tempFolderName + File.separator + sipName);
            if (tempDirectory.exists()) {
                FileUtils.deleteQuietly(new File(tempFolderName));
                System.out.println("\nDie SIP-Liste enthlt mehrere SIPs mit dem Namen " + sipName + ". "
                        + "Bitte vergeben Sie fr jedes SIP einen eigenen Namen.");
                return "";
            }
            tempDirectory.mkdirs();

            Elements fileElements = sipElement.getChildElements("file");

            for (int j = 0; j < fileElements.size(); j++) {
                Element fileElement = fileElements.get(j);
                String filepath = fileElement.getValue();

                File file = new File(filepath);
                if (!file.exists()) {
                    logger.log("ERROR: File " + file.getAbsolutePath() + " is referenced in siplist, "
                            + "but does not exist");
                    System.out.println("\nDie in der SIP-Liste angegebene Datei " + file.getAbsolutePath()
                            + " existiert nicht.");
                    FileUtils.deleteQuietly(new File(tempFolderName));
                    return "";
                }

                try {
                    if (file.isDirectory())
                        FileUtils.copyDirectoryToDirectory(file, tempDirectory);
                    else
                        FileUtils.copyFileToDirectory(file, tempDirectory);
                    progressManager.copyFilesFromListProgress();
                } catch (IOException e) {
                    logger.log("ERROR: Failed to copy file " + file.getAbsolutePath() + " to folder "
                            + tempDirectory.getAbsolutePath(), e);
                    System.out.println("\nDie in der SIP-Liste angegebene Datei " + file.getAbsolutePath()
                            + " konnte nicht kopiert werden.");
                    FileUtils.deleteQuietly(new File(tempFolderName));
                    return "";
                }
            }
        }
    } catch (Exception e) {
        logger.log("ERROR: Failed to read siplist " + sipListFile.getAbsolutePath(), e);
        System.out.println("\nBeim Lesen der SIP-Liste ist ein Fehler aufgetreten. ");
        return "";
    }

    return (new File(tempFolderName).getAbsolutePath());
}

From source file:com.twistbyte.affiliate.HttpUtility.java

/**
 * Do a get request to the given url and set the header values passed
 *
 * @param url//  w w  w  .  j  a  va  2  s  . com
 * @param headerValues
 * @return
 */
public HttpResult doGet(String url, Map<String, String> headerValues) {

    String resp = "";

    logger.info("url : " + url);
    GetMethod method = new GetMethod(url);

    logger.info("Now use connection timeout: " + connectionTimeout);
    httpclient.getParams().setParameter(HttpConnectionParams.CONNECTION_TIMEOUT, connectionTimeout);

    if (headerValues != null) {
        for (Map.Entry<String, String> entry : headerValues.entrySet()) {

            method.setRequestHeader(entry.getKey(), entry.getValue());
        }
    }

    HttpResult serviceResult = new HttpResult();
    serviceResult.setSuccess(false);
    serviceResult.setHttpStatus(404);
    Reader reader = null;
    try {

        int result = httpclient.executeMethod(new HostConfiguration(), method, new HttpState());
        logger.info("http result : " + result);
        resp = method.getResponseBodyAsString();

        logger.info("response: " + resp);

        serviceResult.setHttpStatus(result);
        serviceResult.setBody(resp);
        serviceResult.setSuccess(200 == serviceResult.getHttpStatus());
    } catch (java.net.ConnectException ce) {
        logger.warn("ConnectException: " + ce.getMessage());
    } catch (IOException e) {
        logger.error("IOException sending request to " + url + " Reason:" + e.getMessage(), e);
    } finally {
        method.releaseConnection();
        if (reader != null) {
            try {
                reader.close();
            } catch (IOException e) {

            }
        }
    }

    return serviceResult;
}

From source file:io.lightlink.output.JSONResponseStream.java

public void writeFromReader(Reader reader) {
    write('"');/*from  ww  w  .  j  a  v  a 2  s  . com*/
    char[] buffer = new char[16000];
    long count = 0;
    int n = 0;
    try {
        while (-1 != (n = reader.read(buffer))) {

            ByteBuffer bbuffer = CHARSET.encode(CharBuffer.wrap(buffer, 0, n));
            write(bbuffer.array(), bbuffer.remaining());

            count += n;
        }
        write('"');
        reader.close();
    } catch (IOException e) {
        throw new RuntimeException(e.toString(), e);
    }
}

From source file:com.advdb.footballclub.FootBallClub.java

private void createPlayer(Session session) {

    Transaction transaction = null;/*from   w  w w  .ja va  2 s.  c  o m*/
    try {
        System.out.println("start createPlayer.");
        transaction = session.beginTransaction();
        Reader in = new FileReader("/Users/apichart/Documents/DW_opponent/DimPlayer-Table 1.csv");
        Iterable<CSVRecord> records = CSVFormat.DEFAULT.parse(in);
        for (CSVRecord record : records) {
            String name = record.get(2);
            String nationality = record.get(3);
            String value = record.get(4);
            String height = record.get(6);
            String weight = record.get(7);
            DimPlayer d = new DimPlayer(name, nationality, Double.valueOf(value), Double.valueOf(height),
                    Double.valueOf(weight));
            session.save(d);
        }
        in.close();
        session.flush();
        session.clear();
        transaction.commit();

        System.out.println("finish createPlayer.");
    } catch (HibernateException e) {
        if (transaction != null) {
            transaction.rollback();
        }
    } catch (FileNotFoundException ex) {
        Logger.getLogger(FootBallClub.class.getName()).log(Level.SEVERE, null, ex);
    } catch (IOException ex) {
        Logger.getLogger(FootBallClub.class.getName()).log(Level.SEVERE, null, ex);
    }

}

From source file:hashengineering.digitalcoin.wallet.ExchangeRatesProvider.java

private static Object getCoinValueBTC() {
    Date date = new Date();
    long now = date.getTime();

    //final Map<String, ExchangeRate> rates = new TreeMap<String, ExchangeRate>();
    // Keep the LTC rate around for a bit
    Double btcRate = 0.0;/*from  w  ww  .  j a  va2  s . com*/
    String currencyCryptsy = CoinDefinition.cryptsyMarketCurrency;
    String urlCryptsy = "http://pubapi.cryptsy.com/api.php?method=singlemarketdata&marketid="
            + CoinDefinition.cryptsyMarketId;

    try {
        // final String currencyCode = currencies[i];
        final URL URLCryptsy = new URL(urlCryptsy);
        final URLConnection connectionCryptsy = URLCryptsy.openConnection();
        connectionCryptsy.setConnectTimeout(Constants.HTTP_TIMEOUT_MS * 2);
        connectionCryptsy.setReadTimeout(Constants.HTTP_TIMEOUT_MS * 2);
        connectionCryptsy.connect();

        final StringBuilder contentCryptsy = new StringBuilder();

        Reader reader = null;
        try {
            reader = new InputStreamReader(new BufferedInputStream(connectionCryptsy.getInputStream(), 1024));
            Io.copy(reader, contentCryptsy);
            final JSONObject head = new JSONObject(contentCryptsy.toString());
            JSONObject returnObject = head.getJSONObject("return");
            JSONObject markets = returnObject.getJSONObject("markets");
            JSONObject coinInfo = markets.getJSONObject(CoinDefinition.coinTicker);

            JSONArray recenttrades = coinInfo.getJSONArray("recenttrades");

            double btcTraded = 0.0;
            double coinTraded = 0.0;

            for (int i = 0; i < recenttrades.length(); ++i) {
                JSONObject trade = (JSONObject) recenttrades.get(i);

                btcTraded += trade.getDouble("total");
                coinTraded += trade.getDouble("quantity");

            }

            Double averageTrade = btcTraded / coinTraded;

            //Double lastTrade = GLD.getDouble("lasttradeprice");

            //String euros = String.format("%.7f", averageTrade);
            // Fix things like 3,1250
            //euros = euros.replace(",", ".");
            //rates.put(currencyCryptsy, new ExchangeRate(currencyCryptsy, Utils.toNanoCoins(euros), URLCryptsy.getHost()));
            if (currencyCryptsy.equalsIgnoreCase("BTC"))
                btcRate = averageTrade;

        } finally {
            if (reader != null)
                reader.close();
        }
        return btcRate;
    } catch (final IOException x) {
        x.printStackTrace();
    } catch (final JSONException x) {
        x.printStackTrace();
    }

    return null;
}

From source file:cn.com.iscs.base.util.XMLProperties.java

/**
 * Builds the document XML model up based the given reader of XML data.
 * /*  www  .  j  a  v a 2 s  .c  om*/
 * @param in
 *          the input stream used to build the xml document
 * @throws java.io.IOException
 *           thrown when an error occurs reading the input stream.
 */
private void buildDoc(Reader in) throws IOException {
    try {
        SAXReader xmlReader = new SAXReader();
        xmlReader.setEncoding("UTF-8");
        document = xmlReader.read(in);
    } catch (Exception e) {
        System.err.print("Error reading XML properties");
        throw new IOException(e.getMessage());
    } finally {
        if (in != null) {
            in.close();
        }
    }
}

From source file:fedora.server.storage.translation.AtomDODeserializer.java

private void addAuditDatastream(Entry entry) throws ObjectIntegrityException, StreamIOException {
    try {//from  w  ww.  jav a  2 s .  co m
        Reader auditTrail;
        if (m_format.equals(ATOM_ZIP1_1)) {
            File f = getContentSrcAsFile(entry.getContentSrc());
            auditTrail = new InputStreamReader(new FileInputStream(f), m_encoding);
        } else {
            auditTrail = new StringReader(entry.getContent());
        }
        m_obj.getAuditRecords().addAll(DOTranslationUtility.getAuditRecords(auditTrail));
        auditTrail.close();
    } catch (XMLStreamException e) {
        throw new ObjectIntegrityException(e.getMessage(), e);
    } catch (IOException e) {
        throw new StreamIOException(e.getMessage(), e);
    }
}

From source file:org.usrz.libs.webtools.resources.ServeResource.java

private Response produce(String path) throws Exception {

    /* Basic check for null/empty path */
    if ((path == null) || (path.length() == 0))
        return NOT_FOUND;

    /* Get our resource file, potentially a ".less" file for CSS */
    Resource resource = manager.getResource(path);
    if ((resource == null) && path.endsWith(".css")) {
        path = path.substring(0, path.length() - 4) + ".less";
        resource = manager.getResource(path);
    }//  ww  w .j a  va  2 s . c om

    /* If the root is incorrect, log this, if not found, 404 it! */
    if (resource == null)
        return NOT_FOUND;

    /* Ok, we have a resource on disk, this can be potentially long ... */
    final String fileName = resource.getFile().getName();

    /* Check and validated our cache */
    Entry cached = cache.computeIfPresent(resource, (r, entry) -> entry.resource.hasChanged() ? null : entry);

    /* If we have no cache, we *might* want to cache something */
    if (cached == null) {

        /* What to do, what to do? */
        if ((fileName.endsWith(".css") && minify) || fileName.endsWith(".less")) {

            /* Lessify CSS and cache */
            xlog.debug("Lessifying resource \"%s\"", fileName);
            cached = new Entry(resource, lxess.convert(resource, minify), styleMediaType);

        } else if (fileName.endsWith(".js") && minify) {

            /* Uglify JavaScript and cache */
            xlog.debug("Uglifying resource \"%s\"", fileName);
            cached = new Entry(resource, uglify.convert(resource.readString(), minify, minify),
                    scriptMediaType);

        } else if (fileName.endsWith(".json")) {

            /* Strip comments and normalize JSON */
            xlog.debug("Normalizing JSON resource \"%s\"", fileName);

            /* All to do with Jackson */
            final Reader reader = resource.read();
            final StringWriter writer = new StringWriter();
            final JsonParser parser = json.createParser(reader);
            final JsonGenerator generator = json.createGenerator(writer);

            /* Not minifying? Means pretty printing! */
            if (!minify)
                generator.useDefaultPrettyPrinter();

            /* Get our schtuff through the pipeline */
            parser.nextToken();
            generator.copyCurrentStructure(parser);
            generator.flush();
            generator.close();
            reader.close();
            parser.close();

            /* Cached results... */
            cached = new Entry(resource, writer.toString(), jsonMediaType);

        }

        /* Do we have anything to cache? */
        if (cached != null) {
            xlog.debug("Caching resource \"%s\"", fileName);
            cache.put(resource, cached);
        }
    }

    /* Prepare our basic response from either cache or file */
    final ResponseBuilder response = Response.ok();
    if (cached != null) {

        /* Response from cache */
        xlog.trace("Serving cached resource \"%s\"", fileName);
        response.entity(cached.contents).lastModified(new Date(resource.lastModifiedAt())).type(cached.type);
    } else {

        /* Response from a file */
        xlog.trace("Serving file-based resource \"%s\"", fileName);

        /* If text/* or application/javascript, append encoding */
        MediaType type = MediaTypes.get(fileName);
        if (type.getType().equals("text") || scriptMediaType.isCompatible(type)) {
            type = type.withCharset(charsetName);
        }

        /* Our file is served! */
        response.entity(resource.getFile()).lastModified(new Date(resource.lastModifiedAt())).type(type);
    }

    /* Caching headers and build response */
    final Date expires = Date.from(Instant.now().plus(cacheDuration));
    return response.cacheControl(cacheControl).expires(expires).build();

}

From source file:edu.cornell.mannlib.vitro.webapp.filestorage.backend.FileStorageImpl.java

/**
 * Load the namespaces file from the disk. It's easy to load into a
 * {@link Properties}, but we need to convert it to a {@link Map}.
 *///w  w w .  j  a  v a2 s  .com
private Map<Character, String> readNamespaces() throws IOException {
    Reader reader = null;
    try {
        reader = new FileReader(this.namespaceFile);
        Properties props = new Properties();
        props.load(reader);

        Map<Character, String> map = new HashMap<Character, String>();
        for (Object key : props.keySet()) {
            char keyChar = key.toString().charAt(0);
            map.put(keyChar, (String) props.get(key));
        }

        return map;
    } catch (Exception e) {
        throw new IOException("Problem loading the namespace file.");
    } finally {
        if (reader != null) {
            try {
                reader.close();
            } catch (IOException e) {
                e.printStackTrace();
            }
        }
    }
}