Example usage for java.io PrintStream close

Introduction

In this page you can find the example usage for java.io PrintStream close.

Prototype

public void close() 

Source Link

Document

Closes the stream.

Usage

From source file:com.runwaysdk.dataaccess.database.general.ProcessReader.java

/**
 * Consumes the output of the process in a separate thread.
 * // ww w  .j a  v a 2  s .com
 * @param inputStream
 * @param stream
 */
private void consumeOutput(final InputStream inputStream, final PrintStream stream) {
    final BufferedReader out = new BufferedReader(new InputStreamReader(inputStream));

    Thread t = new Thread(new Runnable() {

        @Override
        public void run() {
            try {
                String line = new String();

                while ((line = out.readLine()) != null) {
                    stream.println(line);
                }

                stream.close();
            } catch (Throwable t) {
                String msg = "Error when consuming the process output.";
                throw new ProgrammingErrorException(msg, t);
            }
        }
    }, OUTPUT_THREAD);

    t.setUncaughtExceptionHandler(this);
    t.setDaemon(true);
    t.start();
}

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From source file:edu.umn.cs.spatialHadoop.operations.Union.java

private static <S extends OGCJTSShape> void unionLocal(Path inPath, Path outPath, final OperationsParams params)
        throws IOException, InterruptedException, ClassNotFoundException {
    // 1- Split the input path/file to get splits that can be processed independently
    final SpatialInputFormat3<Rectangle, S> inputFormat = new SpatialInputFormat3<Rectangle, S>();
    Job job = Job.getInstance(params);/*from   w w  w .j a  v a2 s.co  m*/
    SpatialInputFormat3.setInputPaths(job, inPath);
    final List<InputSplit> splits = inputFormat.getSplits(job);
    int parallelism = params.getInt("parallel", Runtime.getRuntime().availableProcessors());

    // 2- Process splits in parallel
    final List<Float> progresses = new Vector<Float>();
    final IntWritable overallProgress = new IntWritable(0);
    List<List<Geometry>> results = Parallel.forEach(splits.size(), new RunnableRange<List<Geometry>>() {
        @Override
        public List<Geometry> run(final int i1, final int i2) {
            final int pi;
            final IntWritable splitsProgress = new IntWritable();
            synchronized (progresses) {
                pi = progresses.size();
                progresses.add(0f);
            }
            final float progressRatio = (i2 - i1) / (float) splits.size();
            Progressable progress = new Progressable.NullProgressable() {
                @Override
                public void progress(float p) {
                    progresses.set(pi, p * ((splitsProgress.get() - i1) / (float) (i2 - i1)) * progressRatio);
                    float sum = 0;
                    for (float f : progresses)
                        sum += f;
                    int newProgress = (int) (sum * 100);
                    if (newProgress > overallProgress.get()) {
                        overallProgress.set(newProgress);
                        LOG.info("Local union progress " + newProgress + "%");
                    }
                }
            };

            final List<Geometry> localUnion = new ArrayList<Geometry>();
            ResultCollector<Geometry> output = new ResultCollector<Geometry>() {
                @Override
                public void collect(Geometry r) {
                    localUnion.add(r);
                }
            };

            final int MaxBatchSize = 100000;
            Geometry[] batch = new Geometry[MaxBatchSize];
            int batchSize = 0;
            for (int i = i1; i < i2; i++) {
                splitsProgress.set(i);
                try {
                    FileSplit fsplit = (FileSplit) splits.get(i);
                    final RecordReader<Rectangle, Iterable<S>> reader = inputFormat.createRecordReader(fsplit,
                            null);
                    if (reader instanceof SpatialRecordReader3) {
                        ((SpatialRecordReader3) reader).initialize(fsplit, params);
                    } else if (reader instanceof RTreeRecordReader3) {
                        ((RTreeRecordReader3) reader).initialize(fsplit, params);
                    } else if (reader instanceof HDFRecordReader) {
                        ((HDFRecordReader) reader).initialize(fsplit, params);
                    } else {
                        throw new RuntimeException("Unknown record reader");
                    }
                    while (reader.nextKeyValue()) {
                        Iterable<S> shapes = reader.getCurrentValue();
                        for (S s : shapes) {
                            if (s.geom == null)
                                continue;
                            batch[batchSize++] = s.geom;
                            if (batchSize >= MaxBatchSize) {
                                SpatialAlgorithms.multiUnion(batch, progress, output);
                                batchSize = 0;
                            }
                        }
                    }
                    reader.close();
                } catch (IOException e) {
                    LOG.error("Error processing split " + splits.get(i), e);
                } catch (InterruptedException e) {
                    LOG.error("Error processing split " + splits.get(i), e);
                }
            }
            // Union all remaining geometries
            try {
                Geometry[] finalBatch = new Geometry[batchSize];
                System.arraycopy(batch, 0, finalBatch, 0, batchSize);
                SpatialAlgorithms.multiUnion(finalBatch, progress, output);
                return localUnion;
            } catch (IOException e) {
                // Should never happen as the context is passed as null
                throw new RuntimeException("Error in local union", e);
            }
        }
    }, parallelism);

    // Write result to output
    LOG.info("Merge the results of all splits");
    int totalNumGeometries = 0;
    for (List<Geometry> result : results)
        totalNumGeometries += result.size();
    List<Geometry> allInOne = new ArrayList<Geometry>(totalNumGeometries);
    for (List<Geometry> result : results)
        allInOne.addAll(result);

    final S outShape = (S) params.getShape("shape");
    final PrintStream out;
    if (outPath == null || !params.getBoolean("output", true)) {
        // Skip writing the output
        out = new PrintStream(new NullOutputStream());
    } else {
        FileSystem outFS = outPath.getFileSystem(params);
        out = new PrintStream(outFS.create(outPath));
    }

    SpatialAlgorithms.multiUnion(allInOne.toArray(new Geometry[allInOne.size()]),
            new Progressable.NullProgressable() {
                int lastProgress = 0;

                public void progress(float p) {
                    int newProgresss = (int) (p * 100);
                    if (newProgresss > lastProgress) {
                        LOG.info("Global union progress " + (lastProgress = newProgresss) + "%");
                    }
                }
            }, new ResultCollector<Geometry>() {
                Text line = new Text2();

                @Override
                public void collect(Geometry r) {
                    outShape.geom = r;
                    outShape.toText(line);
                    out.println(line);
                }
            });
    out.close();
}

---

From source file:net.rim.ejde.internal.packaging.RAPCFile.java

/**
 * Collects a resource file content (like .rapc)
 *
 * @param relativeTo/*from w  ww  . j  a  va  2s .c o  m*/
 * @return
 * @throws IDEError
 */
private byte[] collectResourceInformation() throws IDEError {
    ByteArrayOutputStream bout = new ByteArrayOutputStream();
    PrintStream out;
    try {
        out = new PrintStream(bout, false, "UTF-8");
    } catch (UnsupportedEncodingException uee) {
        out = new PrintStream(bout);
    }

    for (int i = 0; i < _rapcContents.size(); ++i) {
        out.println(_rapcContents.elementAt(i));
    }

    out.close();
    return bout.toByteArray();
}

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From source file:com.ning.billing.beatrix.osgi.SetupBundleWithAssertion.java

private void createConfigFile(final PluginJavaConfig pluginConfig) throws IOException {

    PrintStream printStream = null;
    try {/*from   ww w .j a  va2s. c o  m*/
        final File configFile = new File(pluginConfig.getPluginVersionRoot(),
                config.getOSGIKillbillPropertyName());
        configFile.createNewFile();
        printStream = new PrintStream(new FileOutputStream(configFile));
        printStream.print("pluginType=" + PluginType.NOTIFICATION);
    } finally {
        if (printStream != null) {
            printStream.close();
        }
    }
}

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From source file:gov.nih.nci.ncicb.tcga.dcc.qclive.common.logging.LoggerDestinationFastTest.java

@Test
public void stdoutLoggerDestination() throws IOException, LoggerDestination.LoggerException {

    PrintStream outStream = null;

    try {/*from w  ww  .  j av  a  2s . c o m*/
        // redirect stdout to a file
        String outfile = OUTPUT_PATH + "stdout.txt";
        //noinspection IOResourceOpenedButNotSafelyClosed
        outStream = new PrintStream(new BufferedOutputStream(new FileOutputStream(outfile)));
        System.setOut(outStream);
        // send message to logger destination
        StdoutLoggerDestination dest = new StdoutLoggerDestination();
        dest.setMinLevel(Level.DEBUG);
        String message = "THIS IS AN ERROR MESSAGE";
        dest.logToDestination(Level.ERROR, message);
        outStream.close();
        // read in output file and compare to expected
        assertEquals(message, readFirstLine(outfile));
        new File(outfile).deleteOnExit();
    } finally {
        IOUtils.closeQuietly(outStream);
    }
}

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From source file:fr.gouv.culture.vitam.droid.DroidHandler.java

/**
 * Check one InputStream/*from w  w w . j ava2  s .c  om*/
 * 
 * @param in
 * @param argument
 * @return a List of DroidFileFOrmat
 * @throws CommandExecutionException
 */
public List<DroidFileFormat> checkFileFormat(InputStream in, VitamArgument argument)
        throws CommandExecutionException {
    String path = "";
    String slash = File.separator;
    String slash1 = slash;

    path = "";
    ResultPrinter resultPrinter = new ResultPrinter(vitamBinarySignatureIdentifier,
            containerSignatureDefinitions, path, slash, slash1, argument.archive, argument.checkSubFormat);

    // change System.out
    PrintStream oldOut = System.out;
    DroidFileFormatOutputStream out = new DroidFileFormatOutputStream(
            vitamBinarySignatureIdentifier.getSigFile(), argument);
    PrintStream newOut = new PrintStream(out, true);
    try {
        System.setOut(newOut);
        realCheck(in, resultPrinter);
    } finally {
        // reset System.out
        System.setOut(oldOut);
        newOut.close();
        newOut = null;
    }
    return out.getResult();
}

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From source file:de.uni_koblenz.jgralab.utilities.tg2dot.Tg2Dot.java

public InputStream convertToGraphVizStream(GraphVizProgram prog) throws IOException {
    String executionString = String.format("%s%s -T%s", prog.path, prog.layouter, prog.outputFormat);
    final Process process = Runtime.getRuntime().exec(executionString);
    InputStream inputStream = new BufferedInputStream(process.getInputStream());
    new Thread() {
        @Override/*w  w w . j  a  va2 s  .co  m*/
        public void run() {
            PrintStream ps = new PrintStream(process.getOutputStream());
            convert(ps);
            ps.flush();
            ps.close();
        };
    }.start();
    return inputStream;
}

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From source file:com.taobao.adfs.util.Utilities.java

public static String getThrowableStackTrace(Throwable t) {
    PrintStream printStream = null;
    try {/* www  .  java  2  s. c  o  m*/
        OutputStream outputStream = null;
        outputStream = new ByteArrayOutputStream(1024);
        printStream = new PrintStream(outputStream);
        t.printStackTrace(printStream);
        printStream.flush();
        return outputStream.toString();
    } catch (Exception e) {
        return "unknow";
    } finally {
        if (printStream != null)
            printStream.close();
    }
}

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From source file:fr.gouv.culture.vitam.droid.DroidHandler.java

/**
 * Check one file//w w  w . j a v  a2  s  .  c o m
 * 
 * @param file
 * @param argument
 * @return a List of DroidFileFOrmat
 * @throws CommandExecutionException
 */
public List<DroidFileFormat> checkFileFormat(File file, VitamArgument argument)
        throws CommandExecutionException {
    Collection<File> matchedFiles = new ArrayList<File>(1);

    String path = file.getAbsolutePath();
    String slash = path.contains(FORWARD_SLASH) ? FORWARD_SLASH : BACKWARD_SLASH;
    String slash1 = slash;

    matchedFiles.add(file);
    path = "";
    ResultPrinter resultPrinter = new ResultPrinter(vitamBinarySignatureIdentifier,
            containerSignatureDefinitions, path, slash, slash1, argument.archive, argument.checkSubFormat);

    // change System.out
    PrintStream oldOut = System.out;
    DroidFileFormatOutputStream out = new DroidFileFormatOutputStream(
            vitamBinarySignatureIdentifier.getSigFile(), argument);
    PrintStream newOut = new PrintStream(out, true);
    try {
        System.setOut(newOut);
        realCheck(file, resultPrinter);
    } finally {
        // reset System.out
        System.setOut(oldOut);
        newOut.close();
        newOut = null;
    }
    return out.getResult();
}

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From source file:dynamicrefactoring.interfaz.dynamic.DynamicExamplesTab.java

/**
 * Genera htmls mediante java2html para visualizar los ejemplos de la
 * refactorizacin en un navegador html.//from   w w w. j a  v a 2s .c  o  m
 */
private void generarHTMLS() {
    // directorio de la refactorizacion
    String dirRefactoring = new File(refactoringDefinition.getExamplesAbsolutePath().get(0).getAfter())
            .getParent();

    // Cambiamos de extensin los ficheros .txt por .java para que puedan
    // ser interpretados
    // por java2HTML
    copyExampleFilesWithOtherExtension(".java");

    try {
        // redirijo la consola a un fichero .txt para que no salga las
        // trazas de la
        // biblioteca java2html.
        PrintStream out = new PrintStream(
                new FileOutputStream(dirRefactoring + File.separator + "consola.txt"));
        System.setOut(out);

        Java2HTML java2html = new Java2HTML();
        String[] dir = new String[1];
        dir[0] = dirRefactoring;
        java2html.setJavaDirectorySource(dir);
        java2html.setDestination(dirRefactoring);
        java2html.buildJava2HTML();

        out.close();

    } catch (Exception e) {
        e.printStackTrace();
    }

}

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