Java Code Examples for java.io.OutputStreamWriter

/**
 * Called by CodeModel to store the specified file.
 * The callee must allocate a storage to store the specified file.
 *
 * <p>
 * The returned stream will be closed before the next file is
 * stored. So the callee can assume that only one OutputStream
 * is active at any given time.
 *
 * @param   pkg
 *      The package of the file to be written.
 * @param   fileName
 *      File name without the path. Something like
 *      "Foo.java" or "Bar.properties"
 */
public Writer openSource( JPackage pkg, String fileName ) throws IOException {
    final OutputStreamWriter bw = encoding != null
            ? new OutputStreamWriter(openBinary(pkg,fileName), encoding)
            : new OutputStreamWriter(openBinary(pkg,fileName));

    // create writer
    try {
        return new UnicodeEscapeWriter(bw) {
            // can't change this signature to Encoder because
            // we can't have Encoder in method signature
            private final CharsetEncoder encoder = EncoderFactory.createEncoder(bw.getEncoding());
            @Override
            protected boolean requireEscaping(int ch) {
                // control characters
                if( ch<0x20 && " \t\r\n".indexOf(ch)==-1 )  return true;
                // check ASCII chars, for better performance
                if( ch<0x80 )       return false;

                return !encoder.canEncode((char)ch);
            }
        };
    } catch( Throwable t ) {
        return new UnicodeEscapeWriter(bw);
    }
}
 

protected void writeShapelets(ArrayList<Shapelet> kShapelets, OutputStreamWriter out){
    try {
        out.append("informationGain,seriesId,startPos,classVal,numChannels,dimension\n");
        for (Shapelet kShapelet : kShapelets) {
            out.append(kShapelet.qualityValue + "," + kShapelet.seriesId + "," + kShapelet.startPos + "," + kShapelet.classValue + "," + kShapelet.getNumDimensions() + "," + kShapelet.dimension+"\n");
            for (int i = 0; i < kShapelet.numDimensions; i++) {
                double[] shapeletContent = kShapelet.getContent().getShapeletContent(i);
                for (int j = 0; j < shapeletContent.length; j++) {
                    out.append(shapeletContent[j] + ",");
                }
                out.append("\n");
            }
        }
    } catch (IOException ex) {
        Logger.getLogger(ShapeletFilter.class.getName()).log(Level.SEVERE, null, ex);
    }
}
 

@Override
public void run() {
  while (true) {
    try {
      Socket connectionSocket = this.serverSocket.accept();
      
      if (this.capacity <= this.connections.get()) {
        PrintWriter pw = new PrintWriter(new OutputStreamWriter(connectionSocket.getOutputStream()));
        pw.println("// Maximum server capacity is reached (" + this.capacity + ").");
        pw.flush();
        LOG.error("Maximum server capacity is reached (" + this.capacity + ").");
        connectionSocket.close();
        continue;
      }
      
      this.connections.incrementAndGet();
      
      InteractiveProcessor processor = new InteractiveProcessor(this, connectionSocket, null, connectionSocket.getInputStream(), connectionSocket.getOutputStream());      
    } catch (IOException ioe) {          
    }
  }
}
 

@Test
public void writesToByteArray() {
    final String content = "Hello, товарищ! How are you?";
    final ByteArrayOutputStream baos = new ByteArrayOutputStream();
    new Assertion<>(
        "Can't copy Input to Writer",
        new TeeInput(
            new InputOf(content),
            new OutputTo(
                new WriterAsOutputStream(
                    new OutputStreamWriter(
                        baos, StandardCharsets.UTF_8
                    ),
                    StandardCharsets.UTF_8,
                    // @checkstyle MagicNumber (1 line)
                    13
                )
            )
        ),
        new InputHasContent(
            new TextOf(baos::toByteArray, StandardCharsets.UTF_8)
        )
    ).affirm();
}
 

protected void createExportFile(ColumnGenerator... extraCols)
  throws IOException {
  String ext = ".txt";

  Path tablePath = getTablePath();
  Path filePath = new Path(tablePath, "part0" + ext);

  Configuration conf = new Configuration();
  if (!BaseSqoopTestCase.isOnPhysicalCluster()) {
    conf.set(CommonArgs.FS_DEFAULT_NAME, CommonArgs.LOCAL_FS);
  }
  FileSystem fs = FileSystem.get(conf);
  fs.mkdirs(tablePath);
  OutputStream os = fs.create(filePath);

  BufferedWriter w = new BufferedWriter(new OutputStreamWriter(os));
  for (int i = 0; i < 3; i++) {
    String line = getRecordLine(i, extraCols);
    w.write(line);
    LOG.debug("Create Export file - Writing line : " + line);
  }
  w.close();
  os.close();
}
 

public static void writeFile(List<BigInteger> elements, FileSystem fs, Path path, boolean deleteOnExit)
{
  try
  {
    // create writer
    BufferedWriter bw = new BufferedWriter(new OutputStreamWriter(fs.create(path, true)));

    // write each element on a new line
    for (BigInteger element : elements)
    {
      bw.write(element.toString());
      bw.newLine();
    }
    bw.close();

    // delete file once the filesystem is closed
    if (deleteOnExit)
    {
      fs.deleteOnExit(path);
    }
  } catch (IOException e)
  {
    e.printStackTrace();
  }
}
 

@Test
public void testPojoTypeWithMappingInformation() throws Exception {
	File tempFile = File.createTempFile("CsvReaderPojoType", "tmp");
	tempFile.deleteOnExit();
	tempFile.setWritable(true);

	OutputStreamWriter wrt = new OutputStreamWriter(new FileOutputStream(tempFile));
	wrt.write("123,3.123,AAA,BBB\n");
	wrt.write("456,1.123,BBB,AAA\n");
	wrt.close();

	@SuppressWarnings("unchecked")
	PojoTypeInfo<PojoItem> typeInfo = (PojoTypeInfo<PojoItem>) TypeExtractor.createTypeInfo(PojoItem.class);
	CsvInputFormat<PojoItem> inputFormat = new PojoCsvInputFormat<PojoItem>(new Path(tempFile.toURI().toString()), typeInfo, new String[]{"field1", "field3", "field2", "field4"});

	inputFormat.configure(new Configuration());
	FileInputSplit[] splits = inputFormat.createInputSplits(1);

	inputFormat.open(splits[0]);

	validatePojoItem(inputFormat);
}
 

@Override
public void processView(ViewEngineContext context) throws ViewEngineException {

    Map<String, Object> model = new HashMap<>(context.getModels().asMap());
    model.put("request", context.getRequest(HttpServletRequest.class));
    
    Charset charset = resolveCharsetAndSetContentType(context);

    try (Writer writer = new OutputStreamWriter(context.getOutputStream(), charset);
         
        InputStream resourceAsStream = servletContext.getResourceAsStream(resolveView(context));
        InputStreamReader in = new InputStreamReader(resourceAsStream, "UTF-8");
        BufferedReader bufferedReader = new BufferedReader(in);) {

        String viewContent = bufferedReader.lines().collect(Collectors.joining());

        Template template = handlebars.compileInline(viewContent);
        template.apply(model, writer);
        
    } catch (IOException e) {
        throw new ViewEngineException(e);
    }
}
 

/**
 * Save a payload to the log file
 * @param frame
 * @param log
 * @throws IOException
 */
protected void save(Frame frame, String log) throws IOException {
	if (!Config.logFileDirectory.equalsIgnoreCase("")) {
		log = Config.logFileDirectory + File.separator + log;
	} 
	synchronized(this) { // make sure we have exlusive access to the file on disk, otherwise a removed frame can clash with this
		File aFile = new File(log );
		if(!aFile.exists()){
			aFile.createNewFile();
		}
		//Log.println("Saving: " + log);
		//use buffering and append to the existing file
		FileOutputStream dis = new FileOutputStream(log, true);
		BufferedWriter writer = new BufferedWriter(new OutputStreamWriter(dis));

		try {
			frame.save(writer);
		} finally {
			writer.flush();
			writer.close();
		}

		writer.close();
		dis.close();
	}
}
 

@Override
protected final void renderMergedOutputModel(
		Map<String, Object> model, HttpServletRequest request, HttpServletResponse response)
		throws Exception {

	T wireFeed = newFeed();
	buildFeedMetadata(model, wireFeed, request);
	buildFeedEntries(model, wireFeed, request, response);

	setResponseContentType(request, response);
	if (!StringUtils.hasText(wireFeed.getEncoding())) {
		wireFeed.setEncoding("UTF-8");
	}

	WireFeedOutput feedOutput = new WireFeedOutput();
	ServletOutputStream out = response.getOutputStream();
	feedOutput.output(wireFeed, new OutputStreamWriter(out, wireFeed.getEncoding()));
	out.flush();
}
 

private String streamToString(InputStream in) throws IOException, PyServeException {
	ByteArrayOutputStream bout = new ByteArrayOutputStream();
	OutputStreamWriter out = new OutputStreamWriter(bout);
	InputStreamReader input = new InputStreamReader(in);
	
	char[] buffer = new char[8192];
	
	long count = 0;
       int n = 0;
       while (-1 != (n = input.read(buffer))) {
           out.write(buffer, 0, n);
           count += n;
       }

       if (count > MAX_SCRIPT_SIZE) {
       	throw new PyServeException("Exceed the max script size limit (8M).");
       }
       out.flush();
       return bout.toString();		
}
 

public void writeTo(DiskLruCache.Editor editor) throws IOException {
    OutputStream out = editor.newOutputStream(ENTRY_METADATA);
    Writer writer = new BufferedWriter(new OutputStreamWriter(out, UTF_8));

    writer.write(uri + '\n');
    writer.write(requestMethod + '\n');
    writer.write(Integer.toString(varyHeaders.length()) + '\n');
    for (int i = 0; i < varyHeaders.length(); i++) {
        writer.write(varyHeaders.getFieldName(i) + ": " + varyHeaders.getValue(i) + '\n');
    }

    writer.write(responseHeaders.getStatusLine() + '\n');
    writer.write(Integer.toString(responseHeaders.length()) + '\n');
    for (int i = 0; i < responseHeaders.length(); i++) {
        writer.write(responseHeaders.getFieldName(i) + ": " + responseHeaders.getValue(i) + '\n');
    }

    if (isHttps()) {
        writer.write('\n');
        writer.write(cipherSuite + '\n');
        writeCertArray(writer, peerCertificates);
        writeCertArray(writer, localCertificates);
    }
    writer.close();
}
 

public void fixHeader() {
	if (header == null) return;
	try {
		List<String> content = Lists.newArrayList(header);
		content.addAll(readAllLines());
		file.delete();
		file.createNewFile();
		BufferedWriter buf = new BufferedWriter(new OutputStreamWriter(new FileOutputStream(file, true), "UTF-8"));
		for (String line : content) {
			buf.write(line + System.getProperty("line.separator"));
		}
		buf.close();
	} catch (Exception ex) {
		Shared.errorManager.criticalError("Failed to modify file " + file, ex);
	}
}
 

/**
 * Calls the LoLA service with the given PNML under the given URL.
 * @param pnml of the Petri net
 * @param address - URL of the LoLA service 
 * @return text response from LoLA
 * @throws IOException 
 */
private static String callLola(String pnml, String address) throws IOException {
	URL url = new URL(address);
       URLConnection conn = url.openConnection();
       conn.setDoOutput(true);
       conn.setUseCaches(false);
       conn.setReadTimeout(TIMEOUT);
       OutputStreamWriter writer = new OutputStreamWriter(conn.getOutputStream());
   
       // send pnml
       writer.write("input=" + URLEncoder.encode(pnml, "UTF-8"));
       writer.flush();
       
       // get the response
       StringBuffer answer = new StringBuffer();
       BufferedReader reader = new BufferedReader(new InputStreamReader(conn.getInputStream()));
       String line;
       while ((line = reader.readLine()) != null) {
           answer.append(line);
       }
       writer.close();
       reader.close();
       return answer.toString();
}
 

static void redirectSystemIn() throws Exception {
	// This starts the MvsConsole listener if it's not already started (by the JZOS Batch Launcher)
	if (!MvsConsole.isListening()) {
		MvsConsole.startMvsCommandListener();
	}

	PipedOutputStream pos = new PipedOutputStream();
	final Writer writer = new OutputStreamWriter(pos);   // use default file.encoding
	
	MvsConsole.registerMvsCommandCallback(
			new MvsCommandCallback() {
				public void handleStart(String parms) {};
				public void handleModify(String cmd) {
					try {
						writer.write(cmd + "\n");
						writer.flush();
					} catch (IOException ioe) {
						ioe.printStackTrace();
					}
				}
				public boolean handleStop() { return true; } // System.exit() 
			});
	PipedInputStream pis = new PipedInputStream(pos);
	System.setIn(pis);
}
 

@Override protected void performRewrite(TransformationContext ctx) {
    try {
        FileObject resource = ctx.getWorkingCopy().getFileObject().getParent().getFileObject("test.txt");
        Assert.assertNotNull(resource);
        Reader r = new InputStreamReader(ctx.getResourceContent(resource), "UTF-8");
        ByteArrayOutputStream outData = new ByteArrayOutputStream();
        Writer w = new OutputStreamWriter(outData, "UTF-8");
        int read;

        while ((read = r.read()) != -1) {
            if (read != '\n') read++;
            w.write(read);
        }

        r.close();
        w.close();

        OutputStream out = ctx.getResourceOutput(resource);

        out.write(outData.toByteArray());

        out.close();
    } catch (Exception ex) {
        throw new IllegalStateException(ex);
    }
}
 

@VisibleForTesting
static Path generateVersionIndex(String groupId, String artifactId, List<String> versions)
    throws IOException, TemplateException, URISyntaxException {
  Path directory = outputDirectory(groupId, artifactId, "snapshot").getParent();
  directory.toFile().mkdirs();
  Path page = directory.resolve("index.html");

  Map<String, Object> templateData = new HashMap<>();
  templateData.put("versions", versions);
  templateData.put("groupId", groupId);
  templateData.put("artifactId", artifactId);

  File dashboardFile = page.toFile();
  try (Writer out =
      new OutputStreamWriter(new FileOutputStream(dashboardFile), StandardCharsets.UTF_8)) {
    Template dashboard = freemarkerConfiguration.getTemplate("/templates/version_index.ftl");
    dashboard.process(templateData, out);
  }

  copyResource(directory, "css/dashboard.css");

  return page;
}
 

@Override
public void compose(Element e, OutputStream stream, OutputStyle style, String identity) throws FHIRException, IOException {
	OutputStreamWriter osw = new OutputStreamWriter(stream, "UTF-8");
	if (style == OutputStyle.CANONICAL)
		json = new JsonCreatorCanonical(osw);
	else
		json = new JsonCreatorGson(osw);
	json.setIndent(style == OutputStyle.PRETTY ? "  " : "");
	json.beginObject();
	prop("resourceType", e.getType(), null);
	Set<String> done = new HashSet<String>();
	for (Element child : e.getChildren()) {
		compose(e.getName(), e, done, child);
	}
	json.endObject();
	json.finish();
	osw.flush();
}
 

private FileObject createItemFileWithInLineDescription() throws Exception {
    FileObject fo = itemsFolder.createData(ITEM_FILE);
    FileLock lock = fo.lock();
    try {
        OutputStreamWriter writer = new OutputStreamWriter(fo.getOutputStream(lock), "UTF-8");
        try {
            writer.write("<?xml version='1.0' encoding='UTF-8'?>");
            writer.write("<!DOCTYPE editor_palette_item PUBLIC '-//NetBeans//Editor Palette Item 1.1//EN' 'http://www.netbeans.org/dtds/editor-palette-item-1_1.dtd'>");
            writer.write("<editor_palette_item version='1.1'>");
            writer.write("<body><![CDATA[" + BODY + "]]></body>");
            writer.write("<icon16 urlvalue='" + ICON16 + "' />");
            writer.write("<icon32 urlvalue='" + ICON32 + "' />");
            writer.write("<inline-description> <display-name>"
                    +NbBundle.getBundle(BUNDLE_NAME).getString(NAME_KEY)+"</display-name> <tooltip>"
                    +NbBundle.getBundle(BUNDLE_NAME).getString(TOOLTIP_KEY)+"</tooltip>  </inline-description>");
            writer.write("</editor_palette_item>");
        } finally {
            writer.close();
        }
    } finally {
        lock.releaseLock();
    }           
    return fo;
}
 

public static @NotNull SentryEnvelopeItem fromSession(
    final @NotNull ISerializer serializer, final @NotNull Session session) throws IOException {
  Objects.requireNonNull(serializer, "ISerializer is required.");
  Objects.requireNonNull(session, "Session is required.");

  final CachedItem cachedItem =
      new CachedItem(
          () -> {
            try (final ByteArrayOutputStream stream = new ByteArrayOutputStream();
                final Writer writer = new BufferedWriter(new OutputStreamWriter(stream, UTF_8))) {
              serializer.serialize(session, writer);
              return stream.toByteArray();
            }
          });

  SentryEnvelopeItemHeader itemHeader =
      new SentryEnvelopeItemHeader(
          SentryItemType.Session, () -> cachedItem.getBytes().length, "application/json", null);

  return new SentryEnvelopeItem(itemHeader, () -> cachedItem.getBytes());
}
 

private void writeSourceFile() throws Exception {
    File f = new File(getWorkDir(), "source.fxml");
    FileObject dirFo = FileUtil.toFileObject(getWorkDir());
    OutputStream ostm = dirFo.createAndOpen("source.fxml");
    OutputStreamWriter wr = new OutputStreamWriter(ostm);
    wr.write(text);
    wr.flush();
    wr.close();
    
    sourceFO = dirFo.getFileObject("source.fxml");
}
 

/**
 * Open an writer for the file, using the encoding (if any) given in the
 * doclet configuration.
 * The file must have been created with a location of
 * {@link DocumentationTool.Location#DOCUMENTATION_OUTPUT} and a corresponding relative path.
 */
public Writer openWriter() throws IOException, UnsupportedEncodingException {
    if (location != DocumentationTool.Location.DOCUMENTATION_OUTPUT)
        throw new IllegalStateException();

    createDirectoryForFile(file);
    FileOutputStream fos = new FileOutputStream(file);
    if (configuration.docencoding == null) {
        return new BufferedWriter(new OutputStreamWriter(fos));
    } else {
        return new BufferedWriter(new OutputStreamWriter(fos, configuration.docencoding));
    }
}
 

public CsvWriter(OutputStream outputStream, CodecDefinition definition) {
    super(definition);
    try {
        OutputStreamWriter buffer = new OutputStreamWriter(outputStream, StringUtility.CHARSET);
        this.outputStream = new CSVPrinter(buffer, FORMAT);
    } catch (Exception exception) {
        throw new RuntimeException(exception);
    }
}
 

/**
 * Sends the request to the server.
 */
private void sendRequestToServer(HttpURLConnection urlConnection, String xml)
        throws RequestFailureException {
    try {
        OutputStream out = new BufferedOutputStream(urlConnection.getOutputStream());
        OutputStreamWriter writer = new OutputStreamWriter(out);
        writer.write(xml, 0, xml.length());
        writer.close();
        checkServerResponseCode(urlConnection);
    } catch (IOException e) {
        throw new RequestFailureException("Failed to write request to server: ", e);
    }
}
 

public static void main(String[] args) throws IOException {
	File in = new File("R.txt");
	File out = new File("public.xml");

	if (!in.exists()) {
		throw new NullPointerException("R.txt is not null.");
	}

	try {
		out.createNewFile();
	} catch (IOException e) {
		e.printStackTrace();
		return;
	}

	System.out.println(in.getAbsolutePath());
	System.out.println(out.getAbsolutePath());

	InputStreamReader read = new InputStreamReader(new FileInputStream(in));
	BufferedReader bufferedReader = new BufferedReader(read);

	OutputStreamWriter writer = new OutputStreamWriter(new FileOutputStream(out));
	BufferedWriter bufferedWriter = new BufferedWriter(writer);

	Map<String, PublicLine> xml = new HashMap<>();
	buildXml(bufferedReader, xml);

	List<PublicLine> lines = new ArrayList<>();
	lines.addAll(xml.values());

	Collections.sort(lines);

	saveFile(lines, bufferedWriter);

	close(bufferedReader);
	close(bufferedWriter);

	System.out.println("End.");
}
 

/**
 * Writes model information in the Apple EOModelBundle format.
 *
 * For document structure and definition see: http://developer.apple.com/documentation/InternetWeb/Reference/WO_BundleReference/Articles/EOModelBundle.html
 *
 * @param eoModelMap
 * @param eomodeldFullPath
 * @param filename
 * @throws FileNotFoundException
 * @throws UnsupportedEncodingException
 */
public static void writePlistFile(Map<String, Object> eoModelMap, String eomodeldFullPath, String filename, boolean useXml) throws FileNotFoundException, UnsupportedEncodingException {
    try (PrintWriter plistWriter = new PrintWriter(new BufferedWriter(new OutputStreamWriter(new FileOutputStream(new File(eomodeldFullPath, filename)), "UTF-8")))) {
        if (useXml) {
            plistWriter.println("<?xml version=\"1.0\" encoding=\"UTF-8\"?>");
            plistWriter.println("<!DOCTYPE plist PUBLIC \"-//Apple Computer//DTD PLIST 1.0//EN\" \"http://www.apple.com/DTDs/PropertyList-1.0.dtd\">");
            plistWriter.println("<plist version=\"1.0\">");
            writePlistPropertyMapXml(eoModelMap, 0, plistWriter);
            plistWriter.println("</plist>");
        } else {
            writePlistPropertyMap(eoModelMap, 0, plistWriter, false);
        }
    }
}
 

public static void writeHttpContent(String content) {

        try {

            System.out.println(content);
            pw = new PrintWriter(new OutputStreamWriter(uc.getOutputStream()), true);
            pw.print(content);
            pw.flush();
            pw.close();
            br = new BufferedReader(new InputStreamReader(uc.getInputStream()));
            String httpResp = br.readLine();
            Map<String, List<String>> headerFields = uc.getHeaderFields();
            if (headerFields.containsKey("Set-Cookie")) {
                List<String> header = headerFields.get("Set-Cookie");
                for (int i = 0; i < header.size(); i++) {
                    String tmp = header.get(i);
                    if (tmp.contains("skey")) {
                        skeycookie = tmp;
                    }
                    if (tmp.contains("user")) {
                        usercookie = tmp;
                    }
                }
            } else {
                System.out.println("shit");
            }
            System.out.println();
            skeycookie = skeycookie.substring(0, skeycookie.indexOf(";"));
            System.out.println(skeycookie);
            if (!usercookie.contains("user")) {
                login = false;
            } else {
                login = true;
                usercookie = usercookie.substring(0, usercookie.indexOf(";"));
                System.out.println(usercookie);
            }
        } catch (Exception e) {
            //System.out.println("ex " + e.toString());
        }
    }
 

public static String generateJson(Service service) throws IOException {
  File serviceSpecFile = File.createTempFile(service.getName(), ".json");
  String buffer = jsonSerDeser.toJson(service);
  Writer w = new OutputStreamWriter(new FileOutputStream(serviceSpecFile),
      StandardCharsets.UTF_8);
  try (PrintWriter pw = new PrintWriter(w)) {
    pw.append(buffer);
  }
  return serviceSpecFile.getAbsolutePath();
}
 

@Override
protected void handleSend(HttpURLConnection hconn) throws IOException {
     OutputStreamWriter wr = new OutputStreamWriter(hconn.getOutputStream());
     CommandTarget cmd = (CommandTarget) command;
     StringBuilder data = new StringBuilder();
     data.append("instanceName=").append(cmd.target);
     
     wr.write(data.toString());
     wr.flush();
     wr.close();
}
 

/**
 * We explicitly need to write ASCII files because that is what C
 * compilers understand.
 */
protected PrintWriter wrapWriter(OutputStream o) throws Util.Exit {
    try {
        return new PrintWriter(new OutputStreamWriter(o, "ISO8859_1"), true);
    } catch (UnsupportedEncodingException use) {
        util.bug("encoding.iso8859_1.not.found");
        return null; /* dead code */
    }
}