Example usage for java.io BufferedOutputStream write

List of usage examples for java.io BufferedOutputStream write

  1. HOME
  2. Java
  3. java
  4. java.io.*
  5. BufferedOutputStream
  6. write

Introduction

In this page you can find the example usage for java.io BufferedOutputStream write.

Prototype

@Override
public synchronized void write(int b) throws IOException

Source Link

Document

Writes the specified byte to this buffered output stream.

Usage

From source file:GZIPcompress.java

public static void main(String[] args) throws IOException {
    if (args.length == 0) {
        System.out.println("Usage: \nGZIPcompress file\n" + "\tUses GZIP compression to compress "
                + "the file to test.gz");
        System.exit(1);/*from www  . j a  v a 2s  .  co  m*/
    }
    BufferedReader in = new BufferedReader(new FileReader(args[0]));
    BufferedOutputStream out = new BufferedOutputStream(new GZIPOutputStream(new FileOutputStream("test.gz")));
    System.out.println("Writing file");
    int c;
    while ((c = in.read()) != -1)
        out.write(c);
    in.close();
    out.close();
    System.out.println("Reading file");
    BufferedReader in2 = new BufferedReader(
            new InputStreamReader(new GZIPInputStream(new FileInputStream("test.gz"))));
    String s;
    while ((s = in2.readLine()) != null)
        System.out.println(s);
}

From source file:MyTest.DownloadFileTest.java

public static void main(String args[]) {
    CloseableHttpClient httpclient = HttpClients.createDefault();
    String url = "http://www.myexperiment.org/workflows/16/download/Pathways_and_Gene_annotations_for_QTL_region-v7.t2flow?version=7";
    System.out.println(url.charAt(50));
    HttpGet httpget = new HttpGet(url);
    HttpEntity entity = null;/*from   w w  w  .  j  a v  a  2  s  .  c o m*/
    try {
        HttpResponse response = httpclient.execute(httpget);
        entity = response.getEntity();
        if (entity != null) {
            InputStream is = entity.getContent();
            String filename = "testdata/Pathways_and_Gene_annotations_for_QTL_region-v7.t2flow";
            BufferedInputStream bis = new BufferedInputStream(is);
            BufferedOutputStream bos = new BufferedOutputStream(new FileOutputStream(new File(filename)));
            int readedByte;
            while ((readedByte = bis.read()) != -1) {
                bos.write(readedByte);
            }
            bis.close();
            bos.close();
        }
        httpclient.close();
    } catch (IOException ex) {
        Logger.getLogger(DownloadFileTest.class.getName()).log(Level.SEVERE, null, ex);
    }

}

From source file:BufferedCopy.java

public static void main(String[] args) throws Exception {
    BufferedInputStream bis = null;
    BufferedOutputStream bos = null;

    FileInputStream fis = new FileInputStream(args[0]);
    bis = new BufferedInputStream(fis);

    FileOutputStream fos = new FileOutputStream(args[1]);
    bos = new BufferedOutputStream(fos);

    int byte_;
    while ((byte_ = bis.read()) != -1)
        bos.write(byte_);
}

From source file:Base64Stuff.java

public static void main(String[] args) {
    //Random random = new Random();
    try {/*from w  ww .  j  a  v a 2  s .  c  om*/
        File file1 = new File("C:\\\\Program Files\\\\ImageJ\\\\images\\\\confocal-series-10001.tif");
        //File file2 = new File("C:\\Program Files\\ImageJ\\images\\confocal-series-10000.tif");
        ImagePlus image1 = new ImagePlus(
                "C:\\\\Program Files\\\\ImageJ\\\\images\\\\confocal-series-10001.tif");
        //ImagePlus image2 = new ImagePlus("C:\\Program Files\\ImageJ\\images\\two.tif");

        byte[] myBytes1 = org.apache.commons.io.FileUtils.readFileToByteArray(file1);
        //byte[] myBytes2 = org.apache.commons.io.FileUtils.readFileToByteArray(file2);
        //random.nextBytes(randomBytes);

        //String internalVersion1 = com.sun.org.apache.xerces.internal.impl.dv.util.Base64.encode(myBytes1);
        //String internalVersion2 = com.sun.org.apache.xerces.internal.impl.dv.util.Base64.encode(myBytes2);
        byte[] apacheBytes1 = org.apache.commons.codec.binary.Base64.encodeBase64(myBytes1);
        //byte[] apacheBytes2 =  org.apache.commons.codec.binary.Base64.encodeBase64(myBytes2);
        String string1 = new String(apacheBytes1);
        //String string2 = new String(apacheBytes2);

        System.out.println("File1 length:" + string1.length());
        //System.out.println("File2 length:" + string2.length());
        System.out.println(string1);
        //System.out.println(string2);

        System.out.println("Image1 size: (" + image1.getWidth() + "," + image1.getHeight() + ")");
        //System.out.println("Image2 size: (" + image2.getWidth() + "," + image2.getHeight() + ")");

        String urlParameters = "data=" + string1 + "&size=1000x1000";

        URL url = new URL("http://api.qrserver.com/v1/create-qr-code/");
        URLConnection conn = url.openConnection();

        conn.setDoOutput(true);

        OutputStreamWriter writer = new OutputStreamWriter(conn.getOutputStream());

        writer.write(urlParameters);
        writer.flush();

        //byte buf[] = new byte[700000000];

        BufferedInputStream reader = new BufferedInputStream(conn.getInputStream());
        BufferedOutputStream bos = new BufferedOutputStream(
                new FileOutputStream("C:\\Users\\expertoweb\\Desktop\\qrcode2.png"));

        int data;
        while ((data = reader.read()) != -1) {
            bos.write(data);
        }

        writer.close();
        reader.close();
        bos.close();

    } catch (IOException e) {
    }
}

From source file:Main.java

public static void main(String[] args) throws IOException {
    FileOutputStream f = new FileOutputStream("test.zip");
    CheckedOutputStream csum = new CheckedOutputStream(f, new Adler32());
    ZipOutputStream zos = new ZipOutputStream(csum);
    BufferedOutputStream out = new BufferedOutputStream(zos);
    zos.setComment("A test of Java Zipping");

    for (int i = 0; i < args.length; i++) {
        System.out.println("Writing file " + args[i]);
        BufferedReader in = new BufferedReader(new FileReader(args[i]));
        zos.putNextEntry(new ZipEntry(args[i]));
        int c;//from w w  w. ja  va2 s.c om
        while ((c = in.read()) != -1)
            out.write(c);
        in.close();
    }
    out.close();

    System.out.println("Checksum: " + csum.getChecksum().getValue());

    System.out.println("Reading file");
    FileInputStream fi = new FileInputStream("test.zip");
    CheckedInputStream csumi = new CheckedInputStream(fi, new Adler32());
    ZipInputStream in2 = new ZipInputStream(csumi);
    BufferedInputStream bis = new BufferedInputStream(in2);
    ZipEntry ze;
    while ((ze = in2.getNextEntry()) != null) {
        System.out.println("Reading file " + ze);
        int x;
        while ((x = bis.read()) != -1)
            System.out.write(x);
    }
    System.out.println("Checksum: " + csumi.getChecksum().getValue());
    bis.close();

}

From source file:ZipCompress.java

public static void main(String[] args) throws IOException {
    FileOutputStream f = new FileOutputStream("test.zip");
    CheckedOutputStream csum = new CheckedOutputStream(f, new Adler32());
    ZipOutputStream zos = new ZipOutputStream(csum);
    BufferedOutputStream out = new BufferedOutputStream(zos);
    zos.setComment("A test of Java Zipping");
    // No corresponding getComment(), though.
    for (int i = 0; i < args.length; i++) {
        System.out.println("Writing file " + args[i]);
        BufferedReader in = new BufferedReader(new FileReader(args[i]));
        zos.putNextEntry(new ZipEntry(args[i]));
        int c;//from w w w  . jav a 2s .c o  m
        while ((c = in.read()) != -1)
            out.write(c);
        in.close();
    }
    out.close();
    // Checksum valid only after the file has been closed!
    System.out.println("Checksum: " + csum.getChecksum().getValue());
    // Now extract the files:
    System.out.println("Reading file");
    FileInputStream fi = new FileInputStream("test.zip");
    CheckedInputStream csumi = new CheckedInputStream(fi, new Adler32());
    ZipInputStream in2 = new ZipInputStream(csumi);
    BufferedInputStream bis = new BufferedInputStream(in2);
    ZipEntry ze;
    while ((ze = in2.getNextEntry()) != null) {
        System.out.println("Reading file " + ze);
        int x;
        while ((x = bis.read()) != -1)
            System.out.write(x);
    }
    System.out.println("Checksum: " + csumi.getChecksum().getValue());
    bis.close();
    // Alternative way to open and read zip files:
    ZipFile zf = new ZipFile("test.zip");
    Enumeration e = zf.entries();
    while (e.hasMoreElements()) {
        ZipEntry ze2 = (ZipEntry) e.nextElement();
        System.out.println("File: " + ze2);
        // ... and extract the data as before
    }
}

From source file:boa.compiler.BoaCompiler.java

public static void main(final String[] args) throws IOException {
    CommandLine cl = processCommandLineOptions(args);
    if (cl == null)
        return;/*from   w ww  .jav  a  2 s .co  m*/
    final ArrayList<File> inputFiles = BoaCompiler.inputFiles;

    // get the name of the generated class
    final String className = getGeneratedClass(cl);

    // get the filename of the jar we will be writing
    final String jarName;
    if (cl.hasOption('o'))
        jarName = cl.getOptionValue('o');
    else
        jarName = className + ".jar";

    // make the output directory
    File outputRoot = null;
    if (cl.hasOption("cd")) {
        outputRoot = new File(cl.getOptionValue("cd"));
    } else {
        outputRoot = new File(new File(System.getProperty("java.io.tmpdir")), UUID.randomUUID().toString());
    }
    final File outputSrcDir = new File(outputRoot, "boa");
    if (!outputSrcDir.mkdirs())
        throw new IOException("unable to mkdir " + outputSrcDir);

    // find custom libs to load
    final List<URL> libs = new ArrayList<URL>();
    if (cl.hasOption('l'))
        for (final String lib : cl.getOptionValues('l'))
            libs.add(new File(lib).toURI().toURL());

    final File outputFile = new File(outputSrcDir, className + ".java");
    final BufferedOutputStream o = new BufferedOutputStream(new FileOutputStream(outputFile));
    try {
        final List<String> jobnames = new ArrayList<String>();
        final List<String> jobs = new ArrayList<String>();
        boolean isSimple = true;

        final List<Program> visitorPrograms = new ArrayList<Program>();

        SymbolTable.initialize(libs);

        final int maxVisitors;
        if (cl.hasOption('v'))
            maxVisitors = Integer.parseInt(cl.getOptionValue('v'));
        else
            maxVisitors = Integer.MAX_VALUE;

        for (int i = 0; i < inputFiles.size(); i++) {
            final File f = inputFiles.get(i);
            try {
                final BoaLexer lexer = new BoaLexer(new ANTLRFileStream(f.getAbsolutePath()));
                lexer.removeErrorListeners();
                lexer.addErrorListener(new LexerErrorListener());

                final CommonTokenStream tokens = new CommonTokenStream(lexer);
                final BoaParser parser = new BoaParser(tokens);
                parser.removeErrorListeners();
                parser.addErrorListener(new BaseErrorListener() {
                    @Override
                    public void syntaxError(Recognizer<?, ?> recognizer, Object offendingSymbol, int line,
                            int charPositionInLine, String msg, RecognitionException e)
                            throws ParseCancellationException {
                        throw new ParseCancellationException(e);
                    }
                });

                final BoaErrorListener parserErrorListener = new ParserErrorListener();
                final Start p = parse(tokens, parser, parserErrorListener);
                if (cl.hasOption("ast"))
                    new ASTPrintingVisitor().start(p);

                final String jobName = "" + i;

                try {
                    if (!parserErrorListener.hasError) {
                        new TypeCheckingVisitor().start(p, new SymbolTable());

                        final TaskClassifyingVisitor simpleVisitor = new TaskClassifyingVisitor();
                        simpleVisitor.start(p);

                        LOG.info(f.getName() + ": task complexity: "
                                + (!simpleVisitor.isComplex() ? "simple" : "complex"));
                        isSimple &= !simpleVisitor.isComplex();

                        new ShadowTypeEraser().start(p);
                        new InheritedAttributeTransformer().start(p);

                        new LocalAggregationTransformer().start(p);

                        // if a job has no visitor, let it have its own method
                        // also let jobs have own methods if visitor merging is disabled
                        if (!simpleVisitor.isComplex() || maxVisitors < 2 || inputFiles.size() == 1) {
                            new VisitorOptimizingTransformer().start(p);

                            if (cl.hasOption("pp"))
                                new PrettyPrintVisitor().start(p);
                            if (cl.hasOption("ast2"))
                                new ASTPrintingVisitor().start(p);
                            final CodeGeneratingVisitor cg = new CodeGeneratingVisitor(jobName);
                            cg.start(p);
                            jobs.add(cg.getCode());

                            jobnames.add(jobName);
                        }
                        // if a job has visitors, fuse them all together into a single program
                        else {
                            p.getProgram().jobName = jobName;
                            visitorPrograms.add(p.getProgram());
                        }
                    }
                } catch (final TypeCheckException e) {
                    parserErrorListener.error("typecheck", lexer, null, e.n.beginLine, e.n.beginColumn,
                            e.n2.endColumn - e.n.beginColumn + 1, e.getMessage(), e);
                }
            } catch (final Exception e) {
                System.err.print(f.getName() + ": compilation failed: ");
                e.printStackTrace();
            }
        }

        if (!visitorPrograms.isEmpty())
            try {
                for (final Program p : new VisitorMergingTransformer().mergePrograms(visitorPrograms,
                        maxVisitors)) {
                    new VisitorOptimizingTransformer().start(p);

                    if (cl.hasOption("pp"))
                        new PrettyPrintVisitor().start(p);
                    if (cl.hasOption("ast2"))
                        new ASTPrintingVisitor().start(p);
                    final CodeGeneratingVisitor cg = new CodeGeneratingVisitor(p.jobName);
                    cg.start(p);
                    jobs.add(cg.getCode());

                    jobnames.add(p.jobName);
                }
            } catch (final Exception e) {
                System.err.println("error fusing visitors - falling back: " + e);
                e.printStackTrace();

                for (final Program p : visitorPrograms) {
                    new VisitorOptimizingTransformer().start(p);

                    if (cl.hasOption("pp"))
                        new PrettyPrintVisitor().start(p);
                    if (cl.hasOption("ast2"))
                        new ASTPrintingVisitor().start(p);
                    final CodeGeneratingVisitor cg = new CodeGeneratingVisitor(p.jobName);
                    cg.start(p);
                    jobs.add(cg.getCode());

                    jobnames.add(p.jobName);
                }
            }

        if (jobs.size() == 0)
            throw new RuntimeException("no files compiled without error");

        final ST st = AbstractCodeGeneratingVisitor.stg.getInstanceOf("Program");

        st.add("name", className);
        st.add("numreducers", inputFiles.size());
        st.add("jobs", jobs);
        st.add("jobnames", jobnames);
        st.add("combineTables", CodeGeneratingVisitor.combineAggregatorStrings);
        st.add("reduceTables", CodeGeneratingVisitor.reduceAggregatorStrings);
        st.add("splitsize", isSimple ? 64 * 1024 * 1024 : 10 * 1024 * 1024);
        if (DefaultProperties.localDataPath != null) {
            st.add("isLocal", true);
        }

        o.write(st.render().getBytes());
    } finally {
        o.close();
    }

    compileGeneratedSrc(cl, jarName, outputRoot, outputFile);
}

From source file:Main.java

public static void saveFile(File f, byte[] content) throws IOException {
    FileOutputStream fos = new FileOutputStream(f);
    try {/*from ww w .ja va2  s . c  o  m*/
        BufferedOutputStream bos = new BufferedOutputStream(fos);
        bos.write(content);
        bos.flush();
    } finally {
        fos.close();
    }
}

From source file:Main.java

public static void writeFully(File file, byte[] data) throws IOException {
    final OutputStream out = new FileOutputStream(file);
    final BufferedOutputStream bos = new BufferedOutputStream(out);
    try {//from  ww  w. j a v a 2 s .  c o  m
        bos.write(data);
    } finally {
        bos.flush();
        bos.close();
    }
}

From source file:Main.java

public static void writeData(OutputStream stream, String str) {
    if (null == stream || TextUtils.isEmpty(str)) {
        return;/*ww  w. j av a 2 s .com*/
    }

    str = str + "\r\n";

    try {
        BufferedOutputStream bufferedOutputStream = new BufferedOutputStream(stream);
        bufferedOutputStream.write(str.getBytes());
        bufferedOutputStream.flush();
    } catch (Exception ex) {
        ex.printStackTrace();
    } finally {

    }
}