Example usage for java.io PrintStream close

List of usage examples for java.io PrintStream close

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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:NMTFUtils.GetFWords.java

public static void getTopWordsLSFTL(String base) throws IOException {
    int TOP_NUM = 20;
    List<String> dictsLists = FileUtils.readLines(new File(dicpath));
    List<String> indexLists = FileUtils.readLines(new File("G:\\syn_github\\KLSNMF\\KLSNMF\\indext.csv"));
    Map<String, String> wordMaps = new HashMap<>();

    for (String line : dictsLists) {
        String[] split = line.split("@:@");
        if (split.length != 2) {
            wordMaps.put(split[0], "");
        } else {/*from  w  w w . j  a v  a  2s  .c  o m*/
            wordMaps.put(split[0], split[1]);
        }
    }
    PrintStream ps = new PrintStream(
            "G:\\\\\\journal\\" + base + "\\LSFTLs-TopWordt.txt");
    for (int li = 0; li < indexLists.size(); li++) {
        String[] split = indexLists.get(li).split(",");
        StringBuilder topWords = new StringBuilder();
        for (int i = 0; i < TOP_NUM; i++) {
            String get = wordMaps.get(split[i]);
            if (get != null) {
                topWords.append(get.trim()).append(" ");
            } else {
                System.out.println(split[i]);
                return;
            }
        }
        System.out.println(topWords);
        ps.println("TOP:" + (li + 1) + " " + topWords);
    }
    ps.flush();
    ps.close();

}

From source file:NMTFUtils.GetFWords.java

public static void getTopWordsTriTL(String base) throws IOException {
    int TOP_NUM = 20;
    List<String> dictsLists = FileUtils.readLines(new File(dicpath));
    List<String> indexLists = FileUtils.readLines(new File("F:\\matlab_code\\TriTL\\indext.csv"));
    Map<String, String> wordMaps = new HashMap<>();

    for (String line : dictsLists) {
        String[] split = line.split("@:@");
        if (split.length != 2) {
            wordMaps.put(split[0], "");
        } else {//from   ww  w  . j a  v a2 s .  co m
            wordMaps.put(split[0], split[1]);
        }

    }
    PrintStream ps = new PrintStream(
            "G:\\\\\\journal\\" + base + "\\TRITLt-TopWords.txt");
    for (int li = 0; li < indexLists.size(); li++) {
        String[] split = indexLists.get(li).split(",");
        StringBuilder topWords = new StringBuilder();
        for (int i = 0; i < TOP_NUM; i++) {
            String get = wordMaps.get(split[i]);
            if (get != null) {
                topWords.append(get.trim()).append(" ");
            } else {
                System.out.println(split[i]);
                return;
            }
        }
        System.out.println(topWords);
        ps.println("TOP:" + (li + 1) + " " + topWords);
    }
    ps.flush();
    ps.close();

}

From source file:edu.umn.cs.spatialHadoop.indexing.Indexer.java

private static void indexLocal(Path inPath, final Path outPath, OperationsParams params)
        throws IOException, InterruptedException {
    Job job = Job.getInstance(params);//from  w  w  w  .j  a va  2s. c  o m
    final Configuration conf = job.getConfiguration();

    final String sindex = conf.get("sindex");

    // Start reading input file
    List<InputSplit> splits = new ArrayList<InputSplit>();
    final SpatialInputFormat3<Rectangle, Shape> inputFormat = new SpatialInputFormat3<Rectangle, Shape>();
    FileSystem inFs = inPath.getFileSystem(conf);
    FileStatus inFStatus = inFs.getFileStatus(inPath);
    if (inFStatus != null && !inFStatus.isDir()) {
        // One file, retrieve it immediately.
        // This is useful if the input is a hidden file which is automatically
        // skipped by FileInputFormat. We need to plot a hidden file for the case
        // of plotting partition boundaries of a spatial index
        splits.add(new FileSplit(inPath, 0, inFStatus.getLen(), new String[0]));
    } else {
        SpatialInputFormat3.setInputPaths(job, inPath);
        for (InputSplit s : inputFormat.getSplits(job))
            splits.add(s);
    }

    // Copy splits to a final array to be used in parallel
    final FileSplit[] fsplits = splits.toArray(new FileSplit[splits.size()]);
    boolean replicate = PartitionerReplicate.get(sindex);

    // Set input file MBR if not already set
    Rectangle inputMBR = (Rectangle) OperationsParams.getShape(conf, "mbr");
    if (inputMBR == null) {
        inputMBR = FileMBR.fileMBR(inPath, new OperationsParams(conf));
        OperationsParams.setShape(conf, "mbr", inputMBR);
    }

    setLocalIndexer(conf, sindex);
    final Partitioner partitioner = createPartitioner(inPath, outPath, conf, sindex);

    final IndexRecordWriter<Shape> recordWriter = new IndexRecordWriter<Shape>(partitioner, replicate, sindex,
            outPath, conf);
    for (FileSplit fsplit : fsplits) {
        RecordReader<Rectangle, Iterable<Shape>> reader = inputFormat.createRecordReader(fsplit, null);
        if (reader instanceof SpatialRecordReader3) {
            ((SpatialRecordReader3) reader).initialize(fsplit, conf);
        } else if (reader instanceof RTreeRecordReader3) {
            ((RTreeRecordReader3) reader).initialize(fsplit, conf);
        } else if (reader instanceof HDFRecordReader) {
            ((HDFRecordReader) reader).initialize(fsplit, conf);
        } else {
            throw new RuntimeException("Unknown record reader");
        }

        final IntWritable partitionID = new IntWritable();

        while (reader.nextKeyValue()) {
            Iterable<Shape> shapes = reader.getCurrentValue();
            if (replicate) {
                for (final Shape s : shapes) {
                    partitioner.overlapPartitions(s, new ResultCollector<Integer>() {
                        @Override
                        public void collect(Integer id) {
                            partitionID.set(id);
                            try {
                                recordWriter.write(partitionID, s);
                            } catch (IOException e) {
                                throw new RuntimeException(e);
                            }
                        }
                    });
                }
            } else {
                for (final Shape s : shapes) {
                    int pid = partitioner.overlapPartition(s);
                    if (pid != -1) {
                        partitionID.set(pid);
                        recordWriter.write(partitionID, s);
                    }
                }
            }
        }
        reader.close();
    }
    recordWriter.close(null);

    // Write the WKT formatted master file
    Path masterPath = new Path(outPath, "_master." + sindex);
    FileSystem outFs = outPath.getFileSystem(params);
    Path wktPath = new Path(outPath, "_" + sindex + ".wkt");
    PrintStream wktOut = new PrintStream(outFs.create(wktPath));
    wktOut.println("ID\tBoundaries\tRecord Count\tSize\tFile name");
    Text tempLine = new Text2();
    Partition tempPartition = new Partition();
    LineReader in = new LineReader(outFs.open(masterPath));
    while (in.readLine(tempLine) > 0) {
        tempPartition.fromText(tempLine);
        wktOut.println(tempPartition.toWKT());
    }
    in.close();
    wktOut.close();
}

From source file:com.meetingninja.csse.database.AgendaDatabaseAdapter.java

public static JsonNode update(String agendaID, Map<String, String> key_values)
        throws JsonGenerationException, IOException, InterruptedException {
    // prepare POST payload
    ByteArrayOutputStream json = new ByteArrayOutputStream();
    // this type of print stream allows us to get a string easily
    PrintStream ps = new PrintStream(json);

    // Create a generator to build the JSON string
    JsonGenerator jgen = JFACTORY.createGenerator(ps, JsonEncoding.UTF8);
    for (String key : key_values.keySet()) {
        jgen.flush();/*  www .  j a va  2s . c o  m*/
        // Build JSON Object
        jgen.writeStartObject();
        jgen.writeStringField(Keys.Agenda.ID, agendaID);
        jgen.writeStringField("field", key);
        jgen.writeStringField("value", key_values.get(key));
        jgen.writeEndObject();
        jgen.writeRaw("\f"); // write a form-feed to separate the payloads
    }

    jgen.close();
    // Get JSON Object payload from print stream
    String payload = json.toString("UTF8");
    ps.close();
    // The backend can only update a single field at a time
    String[] payloads = payload.split("\f\\s*"); // split at each form-feed
    Thread t = new Thread(new Thread(new Runnable() {
        @Override
        public void run() {
            try {
                Thread.sleep(500);
            } catch (InterruptedException e) {
                e.getLocalizedMessage();
            }
        }
    }));
    String response = "";
    for (String p : payloads) {
        t.run();
        response = updateHelper(p);
    }
    return MAPPER.readTree(response);
}

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

public static Partition fileMBRLocal(Path[] inFiles, final OperationsParams params)
        throws IOException, InterruptedException {
    // 1- Split the input path/file to get splits that can be processed independently
    final SpatialInputFormat3<Rectangle, Shape> inputFormat = new SpatialInputFormat3<Rectangle, Shape>();
    Job job = Job.getInstance(params);/*from   w  ww  .  j a va 2 s  . c  om*/
    SpatialInputFormat3.setInputPaths(job, inFiles);
    final List<org.apache.hadoop.mapreduce.InputSplit> splits = inputFormat.getSplits(job);
    int parallelism = params.getInt("parallel", Runtime.getRuntime().availableProcessors());

    // 2- Process splits in parallel
    List<Map<String, Partition>> allMbrs = Parallel.forEach(splits.size(),
            new RunnableRange<Map<String, Partition>>() {
                @Override
                public Map<String, Partition> run(int i1, int i2) {
                    Map<String, Partition> mbrs = new HashMap<String, Partition>();
                    for (int i = i1; i < i2; i++) {
                        try {
                            org.apache.hadoop.mapreduce.lib.input.FileSplit fsplit = (org.apache.hadoop.mapreduce.lib.input.FileSplit) splits
                                    .get(i);
                            final RecordReader<Rectangle, Iterable<Shape>> 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");
                            }
                            Partition p = mbrs.get(fsplit.getPath().getName());
                            if (p == null) {
                                p = new Partition();
                                p.filename = fsplit.getPath().getName();
                                p.cellId = p.filename.hashCode();
                                p.size = 0;
                                p.recordCount = 0;
                                p.set(Double.MAX_VALUE, Double.MAX_VALUE, -Double.MAX_VALUE, -Double.MAX_VALUE);
                                mbrs.put(p.filename, p);
                            }
                            Text temp = new Text2();
                            while (reader.nextKeyValue()) {
                                Iterable<Shape> shapes = reader.getCurrentValue();
                                for (Shape s : shapes) {
                                    Rectangle mbr = s.getMBR();
                                    if (mbr != null)
                                        p.expand(mbr);
                                    p.recordCount++;
                                    temp.clear();
                                    s.toText(temp);
                                    p.size += temp.getLength() + 1;
                                }
                            }
                        } catch (IOException e) {
                            throw new RuntimeException(e);
                        } catch (InterruptedException e) {
                            throw new RuntimeException(e);
                        }
                    }
                    return mbrs;
                }
            }, parallelism);
    Map<String, Partition> mbrs = allMbrs.remove(allMbrs.size() - 1);
    for (Map<String, Partition> list : allMbrs) {
        for (Partition p1 : list.values()) {
            Partition p2 = mbrs.get(p1.filename);
            if (p2 != null) {
                p2.expand(p1);
            } else {
                mbrs.put(p1.filename, p1);
            }
        }
    }

    // Cache the final result, if needed
    for (Path inFile : inFiles) {
        FileSystem inFs = inFile.getFileSystem(params);
        if (!inFs.getFileStatus(inFile).isDir())
            continue;
        Path gindex_path = new Path(inFile, "_master.heap");
        // Answer has been already cached (may be by another job)
        if (inFs.exists(gindex_path))
            continue;
        FileStatus[] files = inFs.listStatus(inFile, SpatialSite.NonHiddenFileFilter);
        PrintStream wktout = new PrintStream(inFs.create(new Path(inFile, "_heap.wkt"), false));
        PrintStream gout = new PrintStream(inFs.create(gindex_path, false));

        Text text = new Text2();
        for (FileStatus file : files) {
            text.clear();
            Partition p = mbrs.get(file.getPath().getName());
            gout.println(p.toText(text).toString());
            wktout.println(p.toWKT());
        }

        wktout.close();
        gout.close();
    }

    // Return the final answer
    Partition finalResult = new Partition();
    finalResult.size = finalResult.recordCount = 0;
    finalResult.x1 = finalResult.y1 = Double.MAX_VALUE;
    finalResult.x2 = finalResult.y2 = -Double.MAX_VALUE;
    for (Partition p2 : mbrs.values())
        finalResult.expand(p2);
    return finalResult;
}

From source file:com.meetingninja.csse.database.GroupDatabaseAdapter.java

public static Group createGroup(Group g) throws IOException, MalformedURLException {
    // Server URL setup
    String _url = getBaseUri().build().toString();

    // establish connection
    URL url = new URL(_url);
    HttpURLConnection conn = (HttpURLConnection) url.openConnection();

    conn.setRequestMethod("POST");
    addRequestHeader(conn, true);//from  w w  w . j  a  v a 2  s .c o  m

    // prepare POST payload
    ByteArrayOutputStream json = new ByteArrayOutputStream();
    // this type of print stream allows us to get a string easily
    PrintStream ps = new PrintStream(json);
    // Create a generator to build the JSON string
    JsonGenerator jgen = JFACTORY.createGenerator(ps, JsonEncoding.UTF8);

    // Build JSON Object
    jgen.writeStartObject();
    jgen.writeStringField(Keys.Group.TITLE, g.getGroupTitle());
    jgen.writeArrayFieldStart(Keys.Group.MEMBERS);
    for (User member : g.getMembers()) {
        jgen.writeStartObject();
        jgen.writeStringField(Keys.User.ID, member.getID());
        jgen.writeEndObject();

    }
    jgen.writeEndArray();
    jgen.writeEndObject();
    jgen.close();

    // Get JSON Object payload from print stream
    String payload = json.toString("UTF8");
    ps.close();

    // send payload
    int responseCode = sendPostPayload(conn, payload);
    String response = getServerResponse(conn);

    // prepare to get the id of the created Meeting
    // Map<String, String> responseMap = new HashMap<String, String>();

    /*
     * result should get valid={"meetingID":"##"}
     */
    String result = new String();
    if (!response.isEmpty()) {
        // responseMap = MAPPER.readValue(response,
        // new TypeReference<HashMap<String, String>>() {
        // });
        JsonNode groupNode = MAPPER.readTree(response);
        if (!groupNode.has(Keys.Group.ID)) {
            result = "invalid";
        } else
            result = groupNode.get(Keys.Group.ID).asText();
    }

    if (!result.equalsIgnoreCase("invalid"))
        g.setID(result);

    conn.disconnect();
    return g;
}

From source file:org.apache.mahout.utils.MatrixDumper.java

private static void exportCSV(Path inputPath, String outputFile, boolean doLabels) throws IOException {
    SequenceFileValueIterator<MatrixWritable> it = new SequenceFileValueIterator<>(inputPath, true,
            new Configuration());
    Matrix m = it.next().get();//from  ww  w  . j a v  a 2s.c o  m
    it.close();
    PrintStream ps = getPrintStream(outputFile);
    String[] columnLabels = getLabels(m.numCols(), m.getColumnLabelBindings(), "col");
    String[] rowLabels = getLabels(m.numRows(), m.getRowLabelBindings(), "row");
    if (doLabels) {
        ps.print("rowid,");
        ps.print(columnLabels[0]);
        for (int c = 1; c < m.numCols(); c++) {
            ps.print(',' + columnLabels[c]);
        }
        ps.println();
    }
    for (int r = 0; r < m.numRows(); r++) {
        if (doLabels) {
            ps.print(rowLabels[0] + ',');
        }
        ps.print(Double.toString(m.getQuick(r, 0)));
        for (int c = 1; c < m.numCols(); c++) {
            ps.print(",");
            ps.print(Double.toString(m.getQuick(r, c)));
        }
        ps.println();
    }
    if (ps != System.out) {
        ps.close();
    }
}

From source file:org.apache.ofbiz.base.util.KeyStoreUtil.java

public static Certificate pemToCert(Reader r) throws IOException, CertificateException {
    String header = "-----BEGIN CERTIFICATE-----";
    String footer = "-----END CERTIFICATE-----";

    BufferedReader reader = new BufferedReader(r);
    ByteArrayOutputStream baos = new ByteArrayOutputStream();
    PrintStream ps = new PrintStream(baos);

    String line;/*from   w w  w . j  a  v  a  2s .  c o m*/

    // ignore up to the header
    while ((line = reader.readLine()) != null && !line.equals(header)) {
    }

    // no header found
    if (line == null) {
        throw new IOException("Error reading certificate, missing BEGIN boundary");
    }

    // in between the header and footer is the actual certificate
    while ((line = reader.readLine()) != null && !line.equals(footer)) {
        line = line.replaceAll("\\s", "");
        ps.print(line);
    }

    // no footer found
    if (line == null) {
        throw new IOException("Error reading certificate, missing END boundary");
    }
    ps.close();

    // decode the buffer to a X509Certificate

    CertificateFactory cf = CertificateFactory.getInstance("X.509");
    byte[] certBytes = Base64.decodeBase64(baos.toByteArray());
    return cf.generateCertificate(new ByteArrayInputStream(certBytes));
}

From source file:com.meetingninja.csse.database.AgendaDatabaseAdapter.java

public static Agenda createAgenda(Agenda create) throws IOException {
    Agenda newAgenda = new Agenda(create);
    // Server URL setup
    String _url = getBaseUri().build().toString();
    // Establish connection
    URL url = new URL(_url);
    HttpURLConnection conn = (HttpURLConnection) url.openConnection();

    // add request header
    conn.setRequestMethod(IRequest.POST);
    addRequestHeader(conn, true);/*from   w ww .  j a v  a 2 s .  c  o m*/

    // prepare POST payload
    ByteArrayOutputStream json = new ByteArrayOutputStream();
    // this type of print stream allows us to get a string easily
    PrintStream ps = new PrintStream(json);
    // Create a generator to build the JSON string
    JsonGenerator jgen = JFACTORY.createGenerator(ps, JsonEncoding.UTF8);

    // Build JSON Object
    jgen.writeStartObject(); // start agenda
    jgen.writeStringField(Keys.Agenda.TITLE, create.getTitle());
    jgen.writeStringField(Keys.Agenda.MEETING, create.getAttachedMeetingID());
    jgen.writeArrayFieldStart(Keys.Agenda.TOPIC); // start topics
    MAPPER.writeValue(jgen, create.getTopics()); // recursively does
    // subtopics
    jgen.writeEndArray(); // end topics
    jgen.writeEndObject(); // end agenda
    jgen.close();

    // Get JSON Object payload from print stream
    String payload = json.toString("UTF8");
    ps.close();

    // Send payload
    int responseCode = sendPostPayload(conn, payload);
    String response = getServerResponse(conn);

    newAgenda = parseAgenda(MAPPER.readTree(response));
    return newAgenda;
}

From source file:com.meetingninja.csse.database.NotesDatabaseAdapter.java

public static String createNote(Note n) throws Exception {
    // Server URL setup
    String _url = getBaseUri().build().toString();

    // Establish connection
    URL url = new URL(_url);
    HttpURLConnection conn = (HttpURLConnection) url.openConnection();

    // add request header
    conn.setRequestMethod(IRequest.POST);
    //addRequestHeader(conn, true);

    // prepare POST payload
    ByteArrayOutputStream json = new ByteArrayOutputStream();
    // this type of print stream allows us to get a string easily
    PrintStream ps = new PrintStream(json);
    // Create a generator to build the JSON string
    JsonGenerator jgen = JFACTORY.createGenerator(ps, JsonEncoding.UTF8);

    // Build JSON Object
    jgen.writeStartObject();/*from w w  w  .  j  a  va2s.  com*/
    jgen.writeStringField(Keys.Note.CREATED_BY, n.getCreatedBy());
    jgen.writeStringField(Keys.Note.TITLE, n.getTitle());
    jgen.writeStringField(Keys.Note.DESC, n.getDescription());
    jgen.writeStringField(Keys.Note.CONTENT, n.getContent());
    jgen.writeStringField(Keys.Note.UPDATED, n.getDateCreated());
    jgen.writeEndObject();
    jgen.close();

    // Get JSON Object payload from print stream
    String payload = json.toString("UTF8");
    Log.d("CREATENOTE_payload", payload);
    ps.close();

    // Send payload
    int responseCode = sendPostPayload(conn, payload);
    String response = getServerResponse(conn);
    Log.d("CREATENOTE_response", response);

    String ID = "";
    if (!response.isEmpty()) {
        JsonNode tree = MAPPER.readTree(response);
        if (!tree.has(Keys.Note.ID))
            ID = "-1";
        else
            ID = tree.get(Keys.Note.ID).asText();
    }

    conn.disconnect();
    return ID;
}