List of usage examples for java.io Reader close
public abstract void close() throws IOException;
From source file:my.FileBasedTestCase.java
/** Assert that the content of a file is equal to that in a char[]. */ protected void assertEqualContent(char[] c0, File file) throws IOException { Reader ir = new java.io.FileReader(file); int count = 0, numRead = 0; char[] c1 = new char[c0.length]; try {/*from www .j a va 2 s . c o m*/ while (count < c0.length && numRead >= 0) { numRead = ir.read(c1, count, c0.length); count += numRead; } assertEquals("Different number of chars: ", c0.length, count); for (int i = 0; i < count; i++) { assertEquals("char " + i + " differs", c0[i], c1[i]); } } finally { ir.close(); } }
From source file:com.cotrino.langnet.GenerateVisualization.java
private double[] calculateSimilarity(File logFile) throws IOException { int i = 0;// w w w.j a v a 2 s . c om double total = 0.0; Reader reader = new FileReader(logFile); CSVParser parser = new CSVParser(reader, csvFormat); for (CSVRecord record : parser) { try { double similarity = Double.parseDouble(record.get("Similarity")); total += similarity; i++; } catch (NumberFormatException e) { logger.error("At " + logFile.getName() + ", failed line: " + record.toString()); } } parser.close(); reader.close(); return new double[] { (total / i), i }; }
From source file:com.cloudera.sqoop.io.TestLobFile.java
/** * Run a test where we read only a fraction of the first record, * but then read the second record completely. Verify that we * can re-align on a record boundary correctly. This test requires * at least 3 records./*from w w w .ja v a 2 s.c o m*/ * @param p the path to the file to create. * @param firstLine the first line of the first reord * @param records All of the records to write to the file. */ private void runLineAndRecordTest(Path p, String firstLine, String... records) throws Exception { assertTrue("This test requires 3+ records", records.length > 2); writeClobFile(p, null, records); LobFile.Reader reader = LobFile.open(p, conf); // We should not yet be aligned. assertFalse(reader.isRecordAvailable()); assertTrue(reader.next()); // Now we should be. assertTrue(reader.isRecordAvailable()); // Read just one line from the record. Reader r = reader.readClobRecord(); BufferedReader br = new BufferedReader(r); String line = br.readLine(); assertEquals(firstLine, line); br.close(); r.close(); // We should no longer be aligned on a record start. assertFalse(reader.isRecordAvailable()); // We should now be able to get to record two. assertTrue(reader.next()); // This should be nicely aligned even if the first record was not // completely consumed by a client. r = reader.readClobRecord(); CharBuffer buf = CharBuffer.allocate(records[1].length()); r.read(buf); r.close(); char[] chars = buf.array(); String s = new String(chars); assertEquals(records[1], s); // Close the reader before we consume the entire file. reader.close(); assertFalse(reader.isRecordAvailable()); }
From source file:com.lexicalintelligence.admin.get.MapGetRequest.java
@SuppressWarnings("unchecked") public <T extends LexicalResponse> T execute() { MapGetResponse searchResponse;/*from ww w .ja v a2s . co m*/ Reader reader = null; try { HttpResponse response = client.getHttpClient().execute(new HttpGet(client.getUrl() + PATH + getPath())); reader = new InputStreamReader(response.getEntity().getContent(), StandardCharsets.UTF_8); Map<String, String> items = client.getObjectMapper().readValue(reader, new TypeReference<Map<String, String>>() { }); searchResponse = new MapGetResponse(true); searchResponse.setItems(items); } catch (Exception e) { searchResponse = new MapGetResponse(false); log.error(e); } finally { try { reader.close(); } catch (Exception e) { log.error(e); } } return (T) searchResponse; }
From source file:com.silverpeas.jcrutil.BetterRepositoryFactoryBean.java
/** * Load a Resource as a String.//from w ww. ja v a 2 s. com * * @param config the resource * @return the String filled with the content of the Resource * @throws IOException */ protected String getConfiguration(Resource config) throws IOException { StringWriter out = new StringWriter(); Reader reader = null; try { reader = new InputStreamReader(config.getInputStream(), Charsets.UTF_8); char[] buffer = new char[8]; int c; while ((c = reader.read(buffer)) > 0) { out.write(buffer, 0, c); } return out.toString(); } finally { if (reader != null) { reader.close(); } } }
From source file:com.urswolfer.gerrit.client.rest.http.GerritRestClient.java
private JsonElement parseResponse(InputStream response) throws IOException { Reader reader = new InputStreamReader(response, Consts.UTF_8); reader.skip(5);//from ww w. j a va 2 s . c o m try { return new JsonParser().parse(reader); } catch (JsonSyntaxException jse) { throw new IOException(String.format("Couldn't parse response: %n%s", CharStreams.toString(reader)), jse); } finally { reader.close(); } }
From source file:com.bigdata.gom.RemoteGOMTestCase.java
protected void print(final URL n3) throws IOException { if (log.isInfoEnabled()) { InputStream in = n3.openConnection().getInputStream(); Reader reader = new InputStreamReader(in); try {//from w w w . j a va2 s . co m char[] buf = new char[256]; int rdlen = 0; while ((rdlen = reader.read(buf)) > -1) { if (rdlen == 256) System.out.print(buf); else System.out.print(new String(buf, 0, rdlen)); } } finally { reader.close(); } } }
From source file:org.psikeds.knowledgebase.xml.impl.XMLParser.java
/** * Parse the specified XML and unmarshal it to JAXB-Object-Structures. * Suitable for big XML files by using JAXB combination with StAX.<br> * All classes in the specified package can be parsed.<br> * /*from w w w. j av a2s . com*/ * @return Total number of unmarshalled XML-Elements * @throws XMLStreamException * @throws SAXException * @throws JAXBException * @throws IOException */ @Override public long parseXmlElements() throws XMLStreamException, SAXException, JAXBException, IOException { Reader xml = null; try { xml = createXmlReader(); return parseXmlElements(xml); } finally { if (xml != null) { try { xml.close(); } catch (final IOException ex) { // ignore } finally { xml = null; } } } }
From source file:edu.uci.ics.asterix.test.optimizer.OptimizerTest.java
@Test public void test() throws Exception { try {//from www .j a va2s . co m String queryFileShort = queryFile.getPath().substring(PATH_QUERIES.length()) .replace(SEPARATOR.charAt(0), '/'); if (!only.isEmpty()) { boolean toRun = TestHelper.isInPrefixList(only, queryFileShort); if (!toRun) { LOGGER.info("SKIP TEST: \"" + queryFile.getPath() + "\" \"only.txt\" not empty and not in \"only.txt\"."); } Assume.assumeTrue(toRun); } boolean skipped = TestHelper.isInPrefixList(ignore, queryFileShort); if (skipped) { LOGGER.info("SKIP TEST: \"" + queryFile.getPath() + "\" in \"ignore.txt\"."); } Assume.assumeTrue(!skipped); LOGGER.info("RUN TEST: \"" + queryFile.getPath() + "\""); Reader query = new BufferedReader(new InputStreamReader(new FileInputStream(queryFile), "UTF-8")); PrintWriter plan = new PrintWriter(actualFile); AsterixJavaClient asterix = new AsterixJavaClient( AsterixHyracksIntegrationUtil.getHyracksClientConnection(), query, plan); try { asterix.compile(true, false, false, true, true, false, false); } catch (AsterixException e) { plan.close(); query.close(); throw new Exception("Compile ERROR for " + queryFile + ": " + e.getMessage(), e); } plan.close(); query.close(); BufferedReader readerExpected = new BufferedReader( new InputStreamReader(new FileInputStream(expectedFile), "UTF-8")); BufferedReader readerActual = new BufferedReader( new InputStreamReader(new FileInputStream(actualFile), "UTF-8")); String lineExpected, lineActual; int num = 1; try { while ((lineExpected = readerExpected.readLine()) != null) { lineActual = readerActual.readLine(); // Assert.assertEquals(lineExpected, lineActual); if (lineActual == null) { throw new Exception("Result for " + queryFile + " changed at line " + num + ":\n< " + lineExpected + "\n> "); } if (!lineExpected.equals(lineActual)) { throw new Exception("Result for " + queryFile + " changed at line " + num + ":\n< " + lineExpected + "\n> " + lineActual); } ++num; } lineActual = readerActual.readLine(); // Assert.assertEquals(null, lineActual); if (lineActual != null) { throw new Exception( "Result for " + queryFile + " changed at line " + num + ":\n< \n> " + lineActual); } LOGGER.info("Test \"" + queryFile.getPath() + "\" PASSED!"); actualFile.delete(); } finally { readerExpected.close(); readerActual.close(); } } catch (Exception e) { if (!(e instanceof AssumptionViolatedException)) { LOGGER.severe("Test \"" + queryFile.getPath() + "\" FAILED!"); throw new Exception("Test \"" + queryFile.getPath() + "\" FAILED!", e); } else { throw e; } } }
From source file:de.mpg.escidoc.pubman.multipleimport.processor.ZfNProcessor.java
private void initialize() { this.init = true; try {/* www. java 2 s .co m*/ InputStream in = new FileInputStream(getSourceFile()); ArrayList<String> itemList = new ArrayList<String>(); ByteArrayOutputStream byteArrayOutputStream = new ByteArrayOutputStream(); String item = null; final int bufLength = 1024; char[] buffer = new char[bufLength]; int readReturn; int count = 0; ZipEntry zipentry; ZipInputStream zipinputstream = new ZipInputStream(in); while ((zipentry = zipinputstream.getNextEntry()) != null) { count++; StringWriter sw = new StringWriter(); Reader reader = new BufferedReader(new InputStreamReader(zipinputstream, "UTF-8")); while ((readReturn = reader.read(buffer)) != -1) { sw.write(buffer, 0, readReturn); } item = new String(sw.toString()); itemList.add(item); this.fileNames.add(zipentry.getName()); reader.close(); zipinputstream.closeEntry(); } this.logger.debug("Zip file contains " + count + "elements"); zipinputstream.close(); this.counter = 0; this.originalData = byteArrayOutputStream.toByteArray(); this.items = itemList.toArray(new String[] {}); this.length = this.items.length; } catch (Exception e) { this.logger.error("Could not read zip File: " + e.getMessage()); throw new RuntimeException("Error reading input stream", e); } }