Java Code Examples for java.io.Reader

public void processString(final String template, Object model, Writer out)
{
    TemplateSource stringTemplateSource = new TemplateSource()
    {
        public long lastModified()
        {
            return System.currentTimeMillis();
        }

        public InputStream getResource(String name)
        {
            return null;
        }

        public Reader getReader(String encoding) throws IOException
        {
            return new StringReader(template);
        }

        public void close() throws IOException
        {
        }
    };
    process(stringTemplateSource, model, out);
}
 

public CSVRecordReader(final InputStream in, final ComponentLog logger, final RecordSchema schema, final CSVFormat csvFormat, final boolean hasHeader, final boolean ignoreHeader,
                       final String dateFormat, final String timeFormat, final String timestampFormat, final String encoding) throws IOException {
    super(logger, schema, hasHeader, ignoreHeader, dateFormat, timeFormat, timestampFormat);

    final Reader reader = new InputStreamReader(new BOMInputStream(in), encoding);

    CSVFormat withHeader;
    if (hasHeader) {
        withHeader = csvFormat.withSkipHeaderRecord();

        if (ignoreHeader) {
            withHeader = withHeader.withHeader(schema.getFieldNames().toArray(new String[0]));
        } else {
            withHeader = withHeader.withFirstRecordAsHeader();
        }
    } else {
        withHeader = csvFormat.withHeader(schema.getFieldNames().toArray(new String[0]));
    }

    csvParser = new CSVParser(reader, withHeader);
}
 

@Test
public void shouldDuplicateStreams() {
  String expected = "{\"key\": \"value\"}";
  Reader source = new StringReader(expected);

  StringWriter writer = new StringWriter();

  Reader tee = new TeeReader(source, writer);

  try (JsonInput reader = new Json().newInput(tee)) {

    reader.beginObject();
    assertEquals("key", reader.nextName());
    reader.skipValue();
    reader.endObject();

    assertEquals(expected, writer.toString());
  }
}
 

/**
 * PROPPATCHメソッドの処理.
 * @param requestBodyXml Request Body
 * @return JAX-RS Response
 */
@WebDAVMethod.PROPPATCH
public Response proppatch(final Reader requestBodyXml) {
    AccessContext ac = this.cellRsCmp.getAccessContext();
    // トークンの有効性チェック
    // トークンがINVALIDでもACL設定でPrivilegeがallに設定されているとアクセスを許可する必要があるのでこのタイミングでチェック
    ac.updateBasicAuthenticationStateForResource(null);
    if (AccessContext.TYPE_INVALID.equals(ac.getType())) {
        ac.throwInvalidTokenException(this.cellRsCmp.getAcceptableAuthScheme());
    } else if (AccessContext.TYPE_ANONYMOUS.equals(ac.getType())) {
        throw DcCoreAuthzException.AUTHORIZATION_REQUIRED.realm(ac.getRealm(),
                this.cellRsCmp.getAcceptableAuthScheme());
    }

    // アクセス制御 CellレベルPROPPATCHはユニットユーザのみ可能とする
    if (!ac.isUnitUserToken()) {
        throw DcCoreException.Auth.UNITUSER_ACCESS_REQUIRED;
    }
    return this.cellRsCmp.doProppatch(requestBodyXml);
}
 

public  static String getArticleBody(NNTPClient client, long articleNumber)
	throws IOException {
	String articleBody = null;
	//We convert the full message into a MIME message for getting exactly the text message clean
	Reader reader = (DotTerminatedMessageReader) client.retrieveArticle(articleNumber);
	if (reader != null) {
		InputStream inputStream = new ByteArrayInputStream(CharStreams.toString(reader).getBytes(Charsets.UTF_8));
		try {
			Session session = Session.getInstance(new Properties());	//For parsing the messages correctly
			MimeMessage message = new MimeMessage(session, inputStream);
			Object contentObject = message.getContent();
			if(!(contentObject instanceof MimeMultipart))
				articleBody = (String)contentObject;
			else
				articleBody = getBodyPart((MimeMultipart) contentObject);
			
		} catch (MessagingException e) {
			// TODO Auto-generated catch block
			e.printStackTrace();
		}
	} else {
		return articleBody;
	}
	return articleBody;
}
 

@Test(groups = "wso2.esb", description = "sending xml request using media-type application/xml")
public void invokeServiceFromXmlRequest() throws Exception {

    // xml request payload
    String payload = "<xml><id_str>84315710834212866</id_str>\n" + "\t<entities>\n" + "\t\t<hashtags>\n"
            + "\t\t\t<text>peterfalk</text>\n" + "\t\t\t<indices>35</indices>\n" + "\t\t\t<indices>45</indices>\n"
            + "\t\t</hashtags>\n" + "\t</entities>\n"
            + "\t<text>Maybe he'll finally find his keys. #peterfalk</text>\n" + "\t<user>\n"
            + "\t\t<id_str>819797</id_str>\n" + "\t\t<id>819797</id>\n" + "\t</user></xml>";

    Reader data = new StringReader(payload);
    Writer writer = new StringWriter();

    String response = HttpURLConnectionClient
            .sendPostRequestAndReadResponse(data, new URL(serviceURL), writer, "application/xml");

    assertNotNull(response, "Response is null");

    assertTrue(response.contains("\"id_str\": \"peterfalk\""));
}
 

private void readCSVStructure(final Path cacheFilePath) throws CloudsyncException
{
	final Map<String, Item> mapping = new HashMap<>();
	mapping.put("", root);

	try
	{
		final Reader in = new FileReader(cacheFilePath.toFile());
		final Iterable<CSVRecord> records = CSVFormat.EXCEL.parse(in);
		for (final CSVRecord record : records)
		{

			final Item item = Item.fromCSV(record);
			final String childPath = Helper.trim(record.get(0), Item.SEPARATOR);
			final String parentPath = childPath.length() == item.getName().length() ? "" : StringUtils.removeEnd(FilenameUtils.getPath(childPath),
					Item.SEPARATOR);
			mapping.put(childPath, item);
			// System.out.println(parentPath+":"+item.getName());
			Item parent = mapping.get(parentPath);
			item.setParent(parent);
			parent.addChild(item);
		}
	}
	catch (final IOException e)
	{
		throw new CloudsyncException("Can't read cache from file '" + cacheFilePath.toString() + "'", e);
	}
}
 

public static void copyReaderToWriter(Reader reader, Writer writer, int chunkSize, boolean resolve, boolean xmlEncode) throws IOException {
		if (reader!=null) {
			char buffer[]=new char[chunkSize]; 
					
			int charsRead=1;
			while (charsRead>0) {
				charsRead=reader.read(buffer,0,chunkSize);
				if (charsRead>0) {
//					if (log.isDebugEnabled()) { log.debug(new String(buffer).substring(0,bytesRead)); }
					if (resolve) {
						String resolved = StringResolver.substVars(new String (buffer,0,charsRead),null);
						if (xmlEncode) {
							writer.write(XmlUtils.encodeChars(resolved));
						} else {
							writer.write(resolved);
						}
					} else {
						if (xmlEncode) {
							writer.write(XmlUtils.encodeChars(buffer,0,charsRead));
						} else {
							writer.write(buffer,0,charsRead);
						}
					}
				} else {
					reader.close();
				}
			}
		}
	}
 

/**
 * Prints the.
 *
 * @param r the r
 * @throws MtasParserException the mtas parser exception
 */
public void print(final Reader r) throws MtasParserException {
  try {
    setReader(r);
    reset();
    if (tokenCollection != null) {
      tokenCollection.print();
    }
    end();
    close();
  } catch (IOException e) {
    log.error(e);
    throw new MtasParserException(e.getClass() + " : " + e.getMessage());
  }
}
 

public static boolean hasProjectSpecificTempates(IProject project) {
	String pref= new ProjectScope(project).getNode(JavaUI.ID_PLUGIN).get(KEY, null);
	if (pref != null && pref.trim().length() > 0) {
		Reader input= new StringReader(pref);
		TemplateReaderWriter reader= new TemplateReaderWriter();
		TemplatePersistenceData[] datas;
		try {
			datas= reader.read(input);
			return datas.length > 0;
		} catch (IOException e) {
			// ignore
		}
	}
	return false;
}
 

private String toString(Reader reader) throws IOException {
    StringBuilder sb = new StringBuilder(1024);
    int charValue;

    while ((charValue = reader.read()) != -1) {
        sb.append((char) charValue);
    }
    return sb.toString();
}
 

@Override
public Message decode(Reader reader) throws DecodeException, IOException {
    JsonReader jReader = Json.createReader(reader);
    JsonObject jObject = jReader.readObject();
    String messageType = jObject.getString("message", null);
    switch (messageType) {
        case "subscribe":
            return new MessageSubscribe(jObject);
        case "write":
            return new MessageWrite(jObject);
        case "pause":
            return new MessagePause(jObject);
        case "resume":
            return new MessageResume(jObject);
        case "unsubscribe":
            return new MessageUnsubscribe(jObject);
        case "event":
            String eventType = jObject.getString("type");
            switch(eventType) {
                case "connection":
                    return new MessageConnectionEvent(jObject);
                case "value":
                    return new MessageValueEvent(jObject);
                case "writeCompleted":
                    return new MessageWriteCompletedEvent(jObject);
                case "error":
                    return new MessageErrorEvent(jObject);
                default:
                    throw new DecodeException("", "Event " + eventType + " is not supported");
            }
        default:
            throw MessageDecodeException.unsupportedMessage(jObject);
    }
}
 

public void reset(final Reader reader) {
    this.reader = reader;
    this.start = 0;
    this.end = 0;
    this.endOfReader = false;
    this.type = null;
    this.readerLength = Integer.MAX_VALUE;
    this.readUntil = 0;
}
 

@BeforeClass
public static void initDatabase() throws Exception {
  Connection conn = null;

  try {
    Class.forName("org.hsqldb.jdbcDriver");
    conn = DriverManager.getConnection("jdbc:hsqldb:mem:sptest", "sa", "");

    Reader reader = Resources.getResourceAsReader("org/apache/ibatis/submitted/sptests/CreateDB.sql");

    ScriptRunner runner = new ScriptRunner(conn);
    runner.setDelimiter("go");
    runner.setLogWriter(null);
    runner.setErrorLogWriter(null);
    runner.runScript(reader);
    conn.commit();
    reader.close();

    reader = Resources.getResourceAsReader("org/apache/ibatis/submitted/sptests/MapperConfig.xml");
    sqlSessionFactory = new SqlSessionFactoryBuilder().build(reader);
    reader.close();
  } finally {
    if (conn != null) {
      conn.close();
    }
  }
}
 

private static Source makeSource(final Reader reader, final ScriptContext ctxt) throws ScriptException {
    try {
        return sourceFor(getScriptName(ctxt), reader);
    } catch (final IOException e) {
        throw new ScriptException(e);
    }
}
 

private static Properties readProperties() {
	Properties properties = new Properties();
	try (Reader reader = new InputStreamReader(AuthlibAgent.class.getResourceAsStream("/transform.properties"), "UTF-8")) {
		properties.load(reader);
	} catch (IOException e) {
		LOGGER.warning("failed to read properties: " + e);
		e.printStackTrace();
	}
	return properties;
}
 

/**
 * @see java.sql.ResultSet
 *
	 * @exception SQLException on unexpected JDBC error
 */
public void updateCharacterStream(int columnIndex,
						java.io.Reader x,
						int length)
				throws SQLException {
	throw new SQLException("updateCharacterStream");
}
 

public static WordsElementsFactory create(DocumentSource source, String text) {
    try {
        Reader reader = new StringReader(text);
        return create(source, reader);
    } catch (IOException e) {
        throw new IllegalArgumentException(e.toString());
    }
}
 

VirtualSinkSource getSource(final String fileName) throws FileNotFoundException {
    final Path pathToContent = Paths.get(fileName);
    Reader script = new FileReader("./src/test/files/converter.js");
    Source source = new ScriptableSource(pathToContent, script, "UTF-8");

    VirtualSinkSource vss = new VirtualSinkSource();
    Pump pump = new Pump.Engine().
            from(source).
            to(vss).
            to(new LogSink()).
            build();
    pump.start();
    return vss;
}
 

public static Observable<String> from(final Func0<Reader> readerFactory) {
    Func1<Reader, Observable<String>> observableFactory = new Func1<Reader, Observable<String>>() {
        @Override
        public Observable<String> call(Reader reader) {
            return from(reader);
        }
    };
    return Observable.using(readerFactory, observableFactory, DisposeActionHolder.INSTANCE,
            true);
}
 

private void initConversations() {
  try {
    Gson gson = new Gson();
    InputStream inputStream = context.getAssets().open("conversations.json");
    Reader reader = new InputStreamReader(inputStream, "UTF-8");
    Conversation[] parsedList = gson.fromJson(reader, Conversation[].class);
    for (Conversation conversation : parsedList) {
      conversations.put(conversation.getId(), conversation);
    }
  } catch (Exception e) {
    Log.e(TAG, "initConversations: ", e);
  }
}
 

@Test
public void testCheckConfigured() throws Exception {
    class FakeCheck extends CheckBase {
        Boolean testCheck = null;
        @Override
        public EnumSet<Type> getInterest() {
            return null;
        }

        @Nullable
        @Override
        public String getExtensionId() {
            return "testCheck";
        }

        @Nullable
        @Override
        public Reader getJSONSchema() {
            return new StringReader("{\"type\": \"boolean\"}");
        }

        @Override
        public void initialize(@Nonnull AnalysisContext analysisContext) {
            testCheck = analysisContext.getConfiguration().asBoolean();
        }
    }

    FakeCheck check = new FakeCheck();
    JavaApiAnalyzer analyzer = new JavaApiAnalyzer(Collections.singleton(check), Collections.emptyList());
    String config = "{\"checks\": {\"testCheck\": true}}";

    analyzer.initialize(AnalysisContext.builder().build().copyWithConfiguration(ModelNode.fromJSONString(config)));

    Assert.assertTrue(check.testCheck);
}
 

private static <T> Object getObject(final ResultSet rs, Class<T> cls, int i) {
    try {
        if (rs.getObject(i) == null) {
            return null;
        }
        final int type = rs.getMetaData().getColumnType(i);
        // TODO java.util.Calendar support
        // TODO XMLGregorian Calendar support
        if (type == Types.DATE)
            return rs.getDate(i, Calendar.getInstance());
        else if (type == Types.TIME)
            return rs.getTime(i, Calendar.getInstance());
        else if (type == Types.TIMESTAMP)
            return rs.getTimestamp(i, Calendar.getInstance());
        else if (type == Types.CLOB && cls.equals(String.class)) {
            return toString(rs.getClob(i));
        } else if (type == Types.CLOB && Reader.class.isAssignableFrom(cls)) {
            Clob c = rs.getClob(i);
            Reader r = c.getCharacterStream();
            return createFreeOnCloseReader(c, r);
        } else if (type == Types.BLOB && cls.equals(byte[].class)) {
            return toBytes(rs.getBlob(i));
        } else if (type == Types.BLOB && InputStream.class.isAssignableFrom(cls)) {
            final Blob b = rs.getBlob(i);
            final InputStream is = rs.getBlob(i).getBinaryStream();
            return createFreeOnCloseInputStream(b, is);
        } else
            return rs.getObject(i);
    } catch (SQLException e) {
        throw new SQLRuntimeException(e);
    }
}
 

@Override
public void updateNClob(String columnLabel, Reader reader, long length) throws SQLException {
  rs.updateNClob(columnLabel, reader, length);
}
 

@Override
public void updateCharacterStream(String columnLabel, Reader reader, int length) throws SQLException {
    throw new UnsupportedOperationException("Not supported yet.");
}
 

@Override
public Reader getHosts() {
    if (hostsS == null) return null;
    return new StringReader(hostsS);
}
 

@Override
public void updateCharacterStream(String columnLabel, Reader reader, int length) throws SQLException {
    throw new UnsupportedOperationException("Not supported yet.");
}
 

/**
 * @throws UnsupportedOperationException if called
 */
public HierarchicalStreamReader createReader(Reader in) {
    throw new UnsupportedOperationException(
        "The BinaryDriver cannot use character-oriented input streams.");
}
 

@Override
public void setNClob(int parameterIndex, Reader reader, long length) throws SQLException {
    throw new UnsupportedOperationException("Not supported yet.");
}
 

@Override
public Reader getCharacterStream(long pos, long length) throws SQLException {
    throw new UnsupportedOperationException("Not supported yet.");
}