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.hypersocket.upgrade.UpgradeServiceImpl.java

private void executeScript(Map<String, Object> beans, URL script) throws ScriptException, IOException {
    if (log.isInfoEnabled()) {
        log.info("Executing script " + script);
    }//from  w w  w.j  a v a  2s.c  o m

    if (script.getPath().endsWith(".js")) {
        ScriptContext context = new SimpleScriptContext();
        ScriptEngine engine = buildEngine(beans, script, context);
        InputStream openStream = script.openStream();
        if (openStream == null) {
            throw new FileNotFoundException("Could not locate resource " + script);
        }
        Reader in = new InputStreamReader(openStream);
        try {
            engine.eval(in, context);
        } finally {
            in.close();
        }
    } else if (script.getPath().endsWith(".class")) {
        String path = script.getPath();
        int idx = path.indexOf("upgrade/");
        path = path.substring(idx);
        idx = path.lastIndexOf(".");
        path = path.substring(0, idx).replace("/", ".");
        try {
            @SuppressWarnings("unchecked")
            Class<? extends Runnable> clazz = (Class<? extends Runnable>) getClass().getClassLoader()
                    .loadClass(path);
            Runnable r = clazz.newInstance();
            springContext.getAutowireCapableBeanFactory().autowireBean(r);
            r.run();
        } catch (Exception e) {
            throw new RuntimeException(e);
        }
    } else {

        BufferedReader r = new BufferedReader(new InputStreamReader(script.openStream()));
        try {
            String statement = "";
            String line;
            boolean ignoreErrors = false;
            while ((line = r.readLine()) != null) {
                line = line.trim();
                if (line.startsWith("EXIT IF FRESH")) {
                    if (isFreshInstall()) {
                        break;
                    }
                    continue;
                }

                if (!line.startsWith("/*") && !line.startsWith("//")) {
                    if (line.endsWith(";")) {
                        line = line.substring(0, line.length() - 1);
                        statement += line;
                        sessionFactory.getCurrentSession().createSQLQuery(statement).executeUpdate();
                        statement = "";
                    } else {
                        statement += line + "\n";
                    }
                }
            }

            if (StringUtils.isNotBlank(statement)) {
                try {
                    sessionFactory.getCurrentSession().createSQLQuery(statement).executeUpdate();
                } catch (Throwable e) {
                    if (!ignoreErrors) {
                        throw e;
                    }
                }
            }
        } finally {
            r.close();
        }
    }

}

---

From source file:net.ontopia.topicmaps.impl.rdbms.Occurrence.java

@Override
public String getValue() {
    Object value = loadField(LF_value);
    if (value instanceof String) {
        return (String) value;
    } else if (value instanceof OnDemandValue) {
        OnDemandValue odv = (OnDemandValue) value;
        try {//  w  w w .  j a v a2 s  . c om
            Reader r = (Reader) odv.getValue(_p_getTransaction());
            try {
                return IOUtils.toString(r);
            } finally {
                r.close();
            }
        } catch (IOException e) {
            throw new OntopiaRuntimeException(e);
        }
    } else if (value != null) {
        throw new OntopiaRuntimeException("Occurrence value cannot be non-null at this point: " + value);
    } else {
        return null; // FIXME: or possibly something else
    }
}

---

From source file:net.ontopia.topicmaps.impl.rdbms.VariantName.java

@Override
public String getValue() {
    Object value = loadField(LF_value);
    if (value instanceof String) {
        return (String) value;
    } else if (value instanceof OnDemandValue) {
        OnDemandValue odv = (OnDemandValue) value;
        try {//  w  w w  .  ja  va  2s  .  c  o m
            Reader r = (Reader) odv.getValue(_p_getTransaction());
            try {
                return IOUtils.toString(r);
            } finally {
                r.close();
            }
        } catch (IOException e) {
            throw new OntopiaRuntimeException(e);
        }
    } else if (value != null) {
        throw new OntopiaRuntimeException("VariantName value cannot be non-null at this point: " + value);
    } else {
        return null; // FIXME: or possibly something else
    }
}

---

From source file:com.adamrosenfield.wordswithcrosses.net.DerStandardDownloader.java

private void downloadPuzzle(DerStandardPuzzleMetadata pm) throws RefreshException {
    String pUrl = pm.getPuzzleUrl(BASE_URL);
    int id = pm.getId();

    boolean save = false;

    if (pUrl != null && !pm.isPuzzleAvailable()) {
        try {//from w  w w. j a v  a  2  s. c  o m
            Reader r = getURLReader(getHttpConnection(pUrl));
            try {
                InputSource input = new InputSource(r);
                parser.parsePuzzle(pm, input);
                save = true;
            } finally {
                r.close();
            }
        } catch (IOException e) {
            throw new RefreshException("Fetching/Parsing puzzle for " + pUrl + ".", e);
        } catch (ParserConfigurationException e) {
            throw new RefreshException("Fetching/Parsing puzzle for " + pUrl + ".", e);
        } catch (SAXException e) {
            throw new RefreshException("Fetching/Parsing puzzle for " + pUrl + ".", e);
        }
    }

    if (pm.isPuzzleAvailable() && !pm.isSolutionAvailable()) {
        try {
            InputSource isSolution = postForSolution(id);
            if (isSolution != null) {
                parser.parseSolution(pm, isSolution);
                save = true;
            }
        } catch (IOException e) {
            throw new RefreshException("Fetching/Parsing solution for " + id + ".", e);
        } catch (JSONException e) {
            throw new RefreshException("Fetching/Parsing solution for " + id + ".", e);
        } catch (SAXException e) {
            throw new RefreshException("Fetching/Parsing solution for " + id + ".", e);
        }
    }

    if (save) {
        try {
            savePuzzle(pm);
        } catch (IOException ioe) {
            throw new RefreshException("Saving puzzle " + id + ".", ioe);
        }
    }
}

---

From source file:com.continuuity.loom.http.LoomPluginHandlerTest.java

private String bodyToString(HttpResponse response) throws IOException {
    Reader reader = new InputStreamReader(response.getEntity().getContent(), Charsets.UTF_8);
    try {//from   w w  w  .  j a  va2s  .c o m
        return CharStreams.toString(reader);
    } finally {
        reader.close();
    }
}

---

From source file:com.xiuhao.commons.mybatis.SqlSessionFactoryBuilderFix.java

public SqlSessionFactory build(Reader reader, String environment, Properties properties) {
    try {/*from w  ww  .j av  a2s  .  c  o m*/
        XMLConfigBuilder parser = new XMLConfigBuilder(reader, environment, properties);
        return build(parser.parse());
    } catch (Exception e) {
        log.error("", e);
        throw ExceptionFactory.wrapException("Error building SqlSession.", e);
    } finally {
        ErrorContext.instance().reset();
        try {
            reader.close();
        } catch (IOException e) {
            log.error("", e);
        }
    }
}

---

From source file:fr.paris.lutece.portal.service.search.PageIndexer.java

/**
 * Builds a document which will be used by Lucene during the indexing of the
 * pages of the site with the following//w  w w .  ja  v a 2 s .  c o m
 * fields : summary, uid, url, contents, title and description.
 * @return the built Document
 * @param strUrl The base URL for documents
 * @param page the page to index
 * @throws IOException The IO Exception
 * @throws InterruptedException The InterruptedException
 * @throws SiteMessageException occurs when a site message need to be
 *             displayed
 */
protected Document getDocument(Page page, String strUrl)
        throws IOException, InterruptedException, SiteMessageException {
    // make a new, empty document
    Document doc = new Document();

    // Add the url as a field named "url".  Use an UnIndexed field, so
    // that the url is just stored with the document, but is not searchable.
    doc.add(new Field(SearchItem.FIELD_URL, strUrl, Field.Store.YES, Field.Index.NOT_ANALYZED));

    // Add the last modified date of the file a field named "modified".
    // Use a field that is indexed (i.e. searchable), but don't tokenize
    // the field into words.
    String strDate = DateTools.dateToString(page.getDateUpdate(), DateTools.Resolution.DAY);
    doc.add(new Field(SearchItem.FIELD_DATE, strDate, Field.Store.YES, Field.Index.NOT_ANALYZED));

    // Add the uid as a field, so that index can be incrementally maintained.
    // This field is not stored with document, it is indexed, but it is not
    // tokenized prior to indexing.
    String strIdPage = String.valueOf(page.getId());
    doc.add(new Field(SearchItem.FIELD_UID, strIdPage, Field.Store.NO, Field.Index.NOT_ANALYZED));

    String strPageContent = _pageService.getPageContent(page.getId(), 0, null);
    StringReader readerPage = new StringReader(strPageContent);
    HTMLParser parser = new HTMLParser(readerPage);

    //the content of the article is recovered in the parser because this one
    //had replaced the encoded caracters (as é) by the corresponding special caracter (as ?)
    Reader reader = parser.getReader();
    int c;
    StringBuilder sb = new StringBuilder();

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

    reader.close();

    // Add the tag-stripped contents as a Reader-valued Text field so it will
    // get tokenized and indexed.
    StringBuilder sbFieldContent = new StringBuilder();
    StringBuilder sbFieldMetadata = new StringBuilder();
    sbFieldContent.append(page.getName()).append(" ").append(sb.toString());

    // Add the metadata description of the page if it exists
    if (page.getDescription() != null) {
        sbFieldContent.append(" ").append(page.getDescription());
    }

    // Add the metadata keywords of the page if it exists
    String strMetaKeywords = page.getMetaKeywords();

    if (StringUtils.isNotBlank(strMetaKeywords)) {
        sbFieldContent.append(" ").append(strMetaKeywords);
        sbFieldMetadata.append(strMetaKeywords);
    }

    doc.add(new Field(SearchItem.FIELD_CONTENTS, sbFieldContent.toString(), Field.Store.NO,
            Field.Index.ANALYZED));

    if (StringUtils.isNotBlank(page.getMetaDescription())) {
        if (sbFieldMetadata.length() > 0) {
            sbFieldMetadata.append(" ");
        }

        sbFieldMetadata.append(page.getMetaDescription());
    }

    if (sbFieldMetadata.length() > 0) {
        doc.add(new Field(SearchItem.FIELD_METADATA, sbFieldMetadata.toString(), Field.Store.NO,
                Field.Index.ANALYZED));
    }

    // Add the title as a separate Text field, so that it can be searched
    // separately.
    doc.add(new Field(SearchItem.FIELD_TITLE, page.getName(), Field.Store.YES, Field.Index.NO));

    if ((page.getDescription() != null) && (page.getDescription().length() > 1)) {
        // Add the summary as an UnIndexed field, so that it is stored and returned
        // with hit documents for display.
        doc.add(new Field(SearchItem.FIELD_SUMMARY, page.getDescription(), Field.Store.YES,
                Field.Index.ANALYZED));
    }

    doc.add(new Field(SearchItem.FIELD_TYPE, INDEX_TYPE_PAGE, Field.Store.YES, Field.Index.NOT_ANALYZED));
    doc.add(new Field(SearchItem.FIELD_ROLE, page.getRole(), Field.Store.YES, Field.Index.NOT_ANALYZED));

    // return the document
    return doc;
}

---

From source file:gdv.xport.satz.SatzTest.java

/**
 * Hier probieren wir jetzt 2 Saetze ueber einen Reader einzulesen.
 *
 * @throws IOException sollte eigenlich nicht passieren, da wir von einem
 *             String lesen/* www.  j av  a2s.c o m*/
 */
@Test
//@Ignore // Fehler ist noch nicht behoben
public void testImportFromReaderTwice() throws IOException {
    Satz x = new Datensatz(123, 7);
    Reader reader = new StringReader(INPUT_SATZ_123 + INPUT_SATZ_123);
    try {
        checkImport(x, reader);
        checkImport(x, reader);
    } finally {
        reader.close();
    }
}

---

From source file:com.manydesigns.elements.pdf.TableFormPdfExporter.java

public void export(OutputStream outputStream) throws FOPException, IOException, TransformerException {
    FopFactory fopFactory = FopFactory.newInstance();

    Fop fop = fopFactory.newFop(MimeConstants.MIME_PDF, outputStream);

    // Setup XSLT
    TransformerFactory Factory = TransformerFactory.newInstance();
    Transformer transformer = Factory.newTransformer(xsltSource);

    // Set the value of a <param> in the stylesheet
    transformer.setParameter("versionParam", "2.0");

    // Setup input for XSLT transformation
    Reader reader = composeXml();
    Source src = new StreamSource(reader);

    // Resulting SAX events (the generated FO) must be piped through to
    // FOP//from ww  w.j a v  a2s.  c  o  m
    Result res = new SAXResult(fop.getDefaultHandler());

    // Start XSLT transformation and FOP processing
    transformer.transform(src, res);
    reader.close();

    outputStream.flush();
}

---

From source file:net.sf.nmedit.jtheme.image.SVGImageResource.java

private static Image renderSVGImage(Reader source, int width, int height) {

    ImageTranscoder pngt = new PNGTranscoder();
    TranscoderInput input = new TranscoderInput(source);

    ByteArrayOutputStream out = new ByteArrayOutputStream(8096);

    try {//from   w w  w.j  a  v a  2s.  c  o m
        TranscoderOutput output = new TranscoderOutput(out);

        if (width > 0 && height > 0) {
            Float w = new Float(width);

            pngt.addTranscodingHint(PNGTranscoder.KEY_WIDTH, w);
            pngt.addTranscodingHint(PNGTranscoder.KEY_MAX_WIDTH, w);
            Float h = new Float(height);
            pngt.addTranscodingHint(PNGTranscoder.KEY_HEIGHT, h);
            pngt.addTranscodingHint(PNGTranscoder.KEY_MAX_HEIGHT, h);
        }

        // TODO other solution for SAX parser / class loader issue ?
        Thread.currentThread().setContextClassLoader(ImageResource.class.getClassLoader());

        // Save the image.
        try {
            pngt.transcode(input, output);
        } catch (TranscoderException e) {
            Log log = LogFactory.getLog(ImageResource.class);
            if (log.isWarnEnabled()) {
                log.warn("could not render image", e);
            }
            return null;
        }
    } finally {
        try {
            source.close();
        } catch (IOException e) {
            Log log = LogFactory.getLog(ImageResource.class);
            if (log.isWarnEnabled()) {
                log.warn("could not close stream", e);
            }
        }
    }

    return Toolkit.getDefaultToolkit().createImage(out.toByteArray());

}

---

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