Example usage for java.io Reader close

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:com.seajas.search.contender.service.modifier.FeedModifierService.java

/**
 * Test a feed by retrieving the content and then discarding it.
 * /*from w w w. j  av  a 2 s  . c o m*/
 * @param uri
 * @param encodingOverride
 * @param userAgent
 * @return boolean
 */
public boolean testConnection(final URI uri, final String encodingOverride, final String userAgent) {
    try {
        // Retrieve the reader, then close the stream

        logger.info("Retrieving testing content for feed with URI " + uri);

        Reader result = getContent(uri, encodingOverride, userAgent, null);

        if (result != null)
            result.close();
        else {
            logger.error("Could not retrieve testing content for feed with URI " + uri);

            return false;
        }

        return true;
    } catch (IOException e) {
        logger.error("Could not retrieve testing content for feed with URI " + uri, e);

        return false;
    }
}

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From source file:com.lexicalintelligence.admin.add.AddRequest.java

public AddResponse execute() {
    List<BasicNameValuePair> params = Collections
            .singletonList(new BasicNameValuePair(getName(), StringUtils.join(items, ",")));
    AddResponse addResponse;/*  ww w  .  ja  v a 2 s .c  o  m*/
    Reader reader = null;
    try {
        HttpResponse response = client.getHttpClient().execute(new HttpGet(client.getUrl() + PATH + getPath()
                + "?" + URLEncodedUtils.format(params, StandardCharsets.UTF_8)));
        reader = new InputStreamReader(response.getEntity().getContent(), StandardCharsets.UTF_8);
        addResponse = new AddResponse(Boolean.valueOf(IOUtils.toString(reader)));
    } catch (Exception e) {
        addResponse = new AddResponse(false);
        log.error(e);
    } finally {
        try {
            reader.close();
        } catch (Exception e) {
            log.error(e);
        }
    }
    return addResponse;
}

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From source file:com.krawler.common.util.ByteUtil.java

/**
 * Reads a <tt>String</tt> from the given <tt>Reader</tt>. Reads until
 * the either end of the stream is hit or until <tt>length</tt> characters
 * are read./*from   www . ja va  2 s.c om*/
 * 
 * @return the content or an empty <tt>String</tt> if no content is
 *         available
 */
public static String getContent(Reader reader, int length, boolean close) throws IOException {
    if (reader == null || length == 0) {
        return "";
    }
    if (length < 0) {
        length = Integer.MAX_VALUE;
    }
    char[] buf = new char[Math.min(1024, length)];
    int totalRead = 0;
    StringBuilder retVal = new StringBuilder(buf.length);

    try {
        while (true) {
            int numToRead = Math.min(buf.length, length - totalRead);
            if (numToRead <= 0) {
                break;
            }
            int numRead = reader.read(buf);
            if (numRead < 0) {
                break;
            }
            retVal.append(buf, 0, numRead);
            totalRead += numRead;
        }
        return retVal.toString();
    } finally {
        if (close) {
            try {
                reader.close();
            } catch (IOException e) {
                KrawlerLog.misc.warn("Unable to close Reader", e);
            }
        }
    }
}

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From source file:edu.washington.gs.skyline.model.quantification.QuantificationTest.java

private Map<RecordKey, Double> readExpectedRows(String filename) throws Exception {
    Map<RecordKey, Double> map = new HashMap<>();
    Reader reader = new InputStreamReader(QuantificationTest.class.getResourceAsStream(filename));
    try {/*from w  w  w.j a  va 2  s  .  co  m*/
        CSVParser parser = new CSVParser(reader, CSVFormat.EXCEL.withHeader());
        for (CSVRecord record : parser.getRecords()) {
            map.put(new RecordKey(record), parseNullableDouble(record.get("NormalizedArea")));
        }
    } finally {
        reader.close();
    }
    return map;
}

---

From source file:fr.paris.lutece.plugins.helpdesk.modules.solr.search.SolrHelpdeskIndexer.java

/**
 * Builds a {@link SolrItem} which will be used by Solr during the indexing of the question/answer list
 *
 * @param nIdFaq The {@link Faq} Id// w ww.ja va2s  . co m
 * @param questionAnswer the {@link QuestionAnswer} to index
 * @param strUrl the url of the subject
 * @param strRoleKey The role key
 * @param plugin The {@link Plugin}
 * @return A Solr {@link SolrItem} containing QuestionAnswer Data
 * @throws IOException The IO Exception
 */
private SolrItem getDocument(int nIdFaq, QuestionAnswer questionAnswer, String strUrl, String strRoleKey,
        Plugin plugin) throws IOException {
    // make a new, empty document
    SolrItem item = new SolrItem();

    // Setting the Id faq field
    item.addDynamicField(HelpdeskSearchItem.FIELD_FAQ_ID, String.valueOf(nIdFaq));

    // Setting the Role field
    item.setRole(strRoleKey);

    // Setting the URL field
    item.setUrl(strUrl);

    // Setting the subject field
    item.addDynamicField(HelpdeskSearchItem.FIELD_SUBJECT, String.valueOf(questionAnswer.getIdSubject()));

    // Setting the Uid field
    String strIdQuestionAnswer = String.valueOf(questionAnswer.getIdQuestionAnswer());
    item.setUid(
            getResourceUid(strIdQuestionAnswer, HelpdeskIndexerUtils.CONSTANT_QUESTION_ANSWER_TYPE_RESOURCE));

    // Setting the Date field
    // Add the last modified date of the file a field named "modified".
    item.setDate(questionAnswer.getCreationDate());

    //Setting the Content field
    String strContentToIndex = getContentToIndex(questionAnswer, plugin);
    StringReader readerPage = new StringReader(strContentToIndex);
    HTMLParser parser = new HTMLParser(readerPage);

    Reader reader = parser.getReader();
    int c;
    StringBuffer sb = new StringBuffer();

    while ((c = reader.read()) != -1) {
        sb.append(String.valueOf((char) c));
    }

    reader.close();
    item.setContent(sb.toString());

    // Setting the Title field
    item.setTitle(questionAnswer.getQuestion());

    // Setting the Site field
    item.setSite(SolrIndexerService.getWebAppName());

    // Setting the Type field
    item.setType(HelpdeskPlugin.PLUGIN_NAME);

    // return the document
    return item;
}

---

From source file:kindleclippings.quizlet.QuizletSync.java

private static Map<String, List<Clipping>> readClippingsFile() throws IOException {
    // try to find it
    File cl = new File("/Volumes/Kindle/documents/My Clippings.txt");
    if (!cl.canRead()) {
        JFileChooser fc = new JFileChooser();
        fc.setFileFilter(new FileNameExtensionFilter("Kindle Clippings", "txt"));
        int result = fc.showOpenDialog(null);
        if (result != JFileChooser.APPROVE_OPTION) {
            return null;
        }/*from   ww w .ja  v  a  2s  .  c o  m*/
        cl = fc.getSelectedFile();
    }
    Reader f = new InputStreamReader(new FileInputStream(cl), "UTF-8");
    try {
        MyClippingsReader r = new MyClippingsReader(f);

        Map<String, List<Clipping>> books = new TreeMap<String, List<Clipping>>();

        Clipping l;
        while ((l = r.readClipping()) != null) {
            if (l.getType() != ClippingType.highlight && l.getType() != ClippingType.note) {
                System.err.println("ignored " + l.getType() + " [" + l.getBook() + "]");
                continue;
            }
            String lct = l.getContent().trim();
            if (lct.length() == 0) {
                System.err.println("ignored empty " + l.getType() + " [" + l.getBook() + "]");
                continue;
            }
            if (lct.length() < 10 || !lct.contains(" ")) {
                System.err.println(
                        "ignored too short " + l.getType() + " " + l.getContent() + " [" + l.getBook() + "]");
                continue;
            }
            List<Clipping> clippings = books.get(l.getBook());
            if (clippings == null) {
                clippings = new ArrayList<Clipping>();
                books.put(l.getBook(), clippings);
            }
            clippings.add(l);
        }
        return books;
    } finally {
        f.close();
    }
}

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From source file:com.lexicalintelligence.admin.remove.RemoveRequest.java

public RemoveResponse execute() {
    List<BasicNameValuePair> params = Collections
            .singletonList(new BasicNameValuePair(getName(), StringUtils.join(items, ",")));
    RemoveResponse removeResponse;//from   w  w w  . j  ava 2 s  .  c om
    Reader reader = null;
    try {
        HttpResponse response = client.getHttpClient().execute(new HttpGet(client.getUrl() + PATH + getPath()
                + "?" + URLEncodedUtils.format(params, StandardCharsets.UTF_8)));
        reader = new InputStreamReader(response.getEntity().getContent(), StandardCharsets.UTF_8);
        removeResponse = new RemoveResponse(Boolean.valueOf(IOUtils.toString(reader)));
    } catch (Exception e) {
        removeResponse = new RemoveResponse(false);
        log.error(e);
    } finally {
        try {
            reader.close();
        } catch (Exception e) {
            log.error(e);
        }
    }
    return removeResponse;
}

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From source file:com.stratuscom.harvester.liaison.VirtualFileSystemConfiguration.java

public VirtualFileSystemConfiguration(String[] options, ClassLoader cl) throws ConfigurationException {

    /* no options; just delegate. */
    if (options == null || options.length == 0) {
        delegate = new MyConfigurationFile(options, cl);
        return;//from  w  ww.  j a  va 2 s. c  o m
    }

    /* No file called for; just delegate. */
    if (Strings.DASH.equals(options[0])) {
        delegate = new MyConfigurationFile(options, cl);
        return;
    }

    /* Else, find the configuration file inside the working directory and
    open it.
    TODO: Should probably check to make sure that the supplied file
    name does not include absolute path or '..' path, i.e. make sure
    that the resolved file is actually a descendant of the working
    directory.
     */
    Reader reader = null;
    try {
        FileObject configFile = rootDirectory.resolveFile(options[0]);
        reader = new InputStreamReader(configFile.getContent().getInputStream());
        delegate = new MyConfigurationFile(reader, options, cl);
    } catch (FileSystemException ex) {
        throw new ConfigurationNotFoundException(options[0], ex);
    } finally {
        if (reader != null) {
            try {
                reader.close();
            } catch (IOException ex) {
                throw new ConfigurationException(Strings.ERROR_CLOSING_FILE, ex);
            }
        }
    }

}

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From source file:jp.go.aist.six.util.core.xml.castor.CastorXmlMapper.java

public Object unmarshal(final Reader reader) {
    Object obj = null;//from   w w w  . j a  v  a 2 s .  co  m
    Reader r = ((reader instanceof BufferedReader) ? reader : (new BufferedReader(reader)));
    try {
        obj = _unmarshaller.unmarshal(new StreamSource(r));
        //@throws IOException
        //@throws XmlMappingException
    } catch (Exception ex) {
        throw new XmlException(ex);
    } finally {
        try {
            reader.close();
        } catch (IOException ex) {
            //ignorable
        }
    }

    return obj;
}

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From source file:magoffin.matt.sobriquet.web.ImportController.java

/**
 * Begin the import process.//from w  w  w.  java2s  .  co  m
 * 
 * @param form
 *        The import data.
 * @param session
 *        The HTTP session. This is required so we can store the parsed data
 *        in memory to verify.
 * @return The response.
 * @throws IOException
 *         If any IO error occurs.
 */
@RequestMapping(method = RequestMethod.POST, params = "_to=verify")
@ResponseBody
public Response<List<Alias>> verify(@ModelAttribute("importForm") ImportForm form, HttpSession session)
        throws IOException {
    Reader reader = null;
    if (form.getFile() != null && form.getFile().getSize() > 0) {
        reader = new InputStreamReader(form.getFile().getInputStream(), "UTF-8");
    } else {
        reader = new StringReader(form.getAliasData());
    }
    List<Alias> results = new ArrayList<Alias>();
    try {
        for (Alias alias : ioService.parseAliasRecords(reader)) {
            results.add(alias);
        }
        form.setAliases(results);
    } finally {
        try {
            reader.close();
        } catch (IOException e) {
            // ignore
        }
    }

    //form.setFile(null);
    return Response.response(results);
}

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