Example usage for java.io OutputStream close

List of usage examples for java.io OutputStream close

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Introduction

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

Prototype

public void close() throws IOException

Source Link

Document

Closes this output stream and releases any system resources associated with this stream.

Usage

From source file:cz.muni.fi.xklinec.zipstream.App.java

/**
 * Entry point. // w  w w . j  a  v a  2  s. c  o m
 * 
 * @param args
 * @throws FileNotFoundException
 * @throws IOException
 * @throws NoSuchFieldException
 * @throws ClassNotFoundException
 * @throws NoSuchMethodException 
 */
public static void main(String[] args) throws FileNotFoundException, IOException, NoSuchFieldException,
        ClassNotFoundException, NoSuchMethodException, InterruptedException {
    OutputStream fos = null;
    InputStream fis = null;

    if ((args.length != 0 && args.length != 2)) {
        System.err.println(String.format("Usage: app.jar source.apk dest.apk"));
        return;
    } else if (args.length == 2) {
        System.err.println(
                String.format("Will use file [%s] as input file and [%s] as output file", args[0], args[1]));
        fis = new FileInputStream(args[0]);
        fos = new FileOutputStream(args[1]);
    } else if (args.length == 0) {
        System.err.println(String.format("Will use file [STDIN] as input file and [STDOUT] as output file"));
        fis = System.in;
        fos = System.out;
    }

    final Deflater def = new Deflater(9, true);
    ZipArchiveInputStream zip = new ZipArchiveInputStream(fis);

    // List of postponed entries for further "processing".
    List<PostponedEntry> peList = new ArrayList<PostponedEntry>(6);

    // Output stream
    ZipArchiveOutputStream zop = new ZipArchiveOutputStream(fos);
    zop.setLevel(9);

    // Read the archive
    ZipArchiveEntry ze = zip.getNextZipEntry();
    while (ze != null) {

        ZipExtraField[] extra = ze.getExtraFields(true);
        byte[] lextra = ze.getLocalFileDataExtra();
        UnparseableExtraFieldData uextra = ze.getUnparseableExtraFieldData();
        byte[] uextrab = uextra != null ? uextra.getLocalFileDataData() : null;

        // ZipArchiveOutputStream.DEFLATED
        // 

        // Data for entry
        byte[] byteData = Utils.readAll(zip);
        byte[] deflData = new byte[0];
        int infl = byteData.length;
        int defl = 0;

        // If method is deflated, get the raw data (compress again).
        if (ze.getMethod() == ZipArchiveOutputStream.DEFLATED) {
            def.reset();
            def.setInput(byteData);
            def.finish();

            byte[] deflDataTmp = new byte[byteData.length * 2];
            defl = def.deflate(deflDataTmp);

            deflData = new byte[defl];
            System.arraycopy(deflDataTmp, 0, deflData, 0, defl);
        }

        System.err.println(String.format(
                "ZipEntry: meth=%d " + "size=%010d isDir=%5s " + "compressed=%07d extra=%d lextra=%d uextra=%d "
                        + "comment=[%s] " + "dataDesc=%s " + "UTF8=%s " + "infl=%07d defl=%07d " + "name [%s]",
                ze.getMethod(), ze.getSize(), ze.isDirectory(), ze.getCompressedSize(),
                extra != null ? extra.length : -1, lextra != null ? lextra.length : -1,
                uextrab != null ? uextrab.length : -1, ze.getComment(),
                ze.getGeneralPurposeBit().usesDataDescriptor(), ze.getGeneralPurposeBit().usesUTF8ForNames(),
                infl, defl, ze.getName()));

        final String curName = ze.getName();

        // META-INF files should be always on the end of the archive, 
        // thus add postponed files right before them
        if (curName.startsWith("META-INF") && peList.size() > 0) {
            System.err.println(
                    "Now is the time to put things back, but at first, I'll perform some \"facelifting\"...");

            // Simulate som evil being done
            Thread.sleep(5000);

            System.err.println("OK its done, let's do this.");
            for (PostponedEntry pe : peList) {
                System.err.println(
                        "Adding postponed entry at the end of the archive! deflSize=" + pe.deflData.length
                                + "; inflSize=" + pe.byteData.length + "; meth: " + pe.ze.getMethod());

                pe.dump(zop, false);
            }

            peList.clear();
        }

        // Capturing interesting files for us and store for later.
        // If the file is not interesting, send directly to the stream.
        if ("classes.dex".equalsIgnoreCase(curName) || "AndroidManifest.xml".equalsIgnoreCase(curName)) {
            System.err.println("### Interesting file, postpone sending!!!");

            PostponedEntry pe = new PostponedEntry(ze, byteData, deflData);
            peList.add(pe);
        } else {
            // Write ZIP entry to the archive
            zop.putArchiveEntry(ze);
            // Add file data to the stream
            zop.write(byteData, 0, infl);
            zop.closeArchiveEntry();
        }

        ze = zip.getNextZipEntry();
    }

    // Cleaning up stuff
    zip.close();
    fis.close();

    zop.finish();
    zop.close();
    fos.close();

    System.err.println("THE END!");
}

From source file:client.QueryLastFm.java

License:asdf

public static void main(String[] args) throws Exception {

    // isAlreadyInserted("asdfs","jas,jnjkah");

    // FileWriter fw = new FileWriter(".\\tracks.csv");
    OutputStream track_os = new FileOutputStream(".\\tracks.csv");
    PrintWriter out = new PrintWriter(new OutputStreamWriter(track_os, "UTF-8"));

    OutputStream track_id_os = new FileOutputStream(".\\track_id_sim_track_id.csv");
    PrintWriter track_id_out = new PrintWriter(new OutputStreamWriter(track_id_os, "UTF-8"));

    track_id_out.print("");

    ByteArrayInputStream input;// w  ww  .ja v a  2s.c o  m
    Document doc = null;
    CloseableHttpClient httpclient = HttpClients.createDefault();

    String trackName = "";
    String artistName = "";
    String sourceMbid = "";
    out.print("ID");// first row first column
    out.print(",");
    out.print("TrackName");// first row second column
    out.print(",");
    out.println("Artist");// first row third column

    track_id_out.print("source");// first row second column
    track_id_out.print(",");
    track_id_out.println("target");// first row third column
    // track_id_out.print(",");
    // track_id_out.println("type");// first row third column

    // out.flush();

    // out.close();

    // fw.close();

    // os.close();

    try {
        URI uri = new URIBuilder().setScheme("http").setHost("ws.audioscrobbler.com").setPath("/2.0/")
                .setParameter("method", "track.getsimilar").setParameter("artist", "cher")
                .setParameter("track", "believe").setParameter("limit", "100")
                .setParameter("api_key", "88858618961414f8bec919bddd057044").build();

        // new URIBuilder().
        HttpGet request = new HttpGet(uri);

        // request.
        // This is useful for last.fm logging and preventing them from blocking this client
        request.setHeader(HttpHeaders.USER_AGENT,
                "nileshmore@gatech.edu - ClassAssignment at GeorgiaTech Non-commercial use");

        HttpGet httpGet = new HttpGet(
                "http://ws.audioscrobbler.com/2.0/?method=track.getsimilar&artist=cher&track=believe&limit=4&api_key=88858618961414f8bec919bddd057044");
        CloseableHttpResponse response = httpclient.execute(request);

        int statusCode = response.getStatusLine().getStatusCode();
        DocumentBuilderFactory factory = DocumentBuilderFactory.newInstance();
        DocumentBuilder builder = factory.newDocumentBuilder();
        // The underlying HTTP connection is still held by the response object
        // to allow the response content to be streamed directly from the network socket.
        // In order to ensure correct deallocation of system resources
        // the user MUST call CloseableHttpResponse#close() from a finally clause.
        // Please note that if response content is not fully consumed the underlying
        // connection cannot be safely re-used and will be shut down and discarded
        // by the connection manager.
        try {
            if (statusCode == 200) {
                HttpEntity entity1 = response.getEntity();
                BufferedReader br = new BufferedReader(
                        new InputStreamReader((response.getEntity().getContent())));
                Document document = builder.parse((response.getEntity().getContent()));
                Element root = document.getDocumentElement();
                root.normalize();
                // Need to focus and resolve this part
                NodeList nodes;
                nodes = root.getChildNodes();

                nodes = root.getElementsByTagName("track");
                if (nodes.getLength() == 0) {
                    // System.out.println("empty");
                    return;
                }
                Node trackNode;
                for (int k = 0; k < nodes.getLength(); k++) // can access all tracks now
                {
                    trackNode = nodes.item(k);
                    NodeList trackAttributes = trackNode.getChildNodes();

                    // check if mbid is present in track attributes
                    // System.out.println("Length  " + (trackAttributes.item(5).getNodeName().compareToIgnoreCase("mbid") == 0));

                    if ((trackAttributes.item(5).getNodeName().compareToIgnoreCase("mbid") == 0)) {
                        if (((Element) trackAttributes.item(5)).hasChildNodes())
                            ;// System.out.println("Go aHead");
                        else
                            continue;
                    } else
                        continue;

                    for (int n = 0; n < trackAttributes.getLength(); n++) {
                        Node attribute = trackAttributes.item(n);
                        if ((attribute.getNodeName().compareToIgnoreCase("name")) == 0) {
                            // System.out.println(((Element)attribute).getFirstChild().getNodeValue());
                            trackName = ((Element) attribute).getFirstChild().getNodeValue(); // make string encoding as UTF-8 ************ 

                        }

                        if ((attribute.getNodeName().compareToIgnoreCase("mbid")) == 0) {
                            // System.out.println(n +  "   " +  ((Element)attribute).getFirstChild().getNodeValue());
                            sourceMbid = attribute.getFirstChild().getNodeValue();

                        }

                        if ((attribute.getNodeName().compareToIgnoreCase("artist")) == 0) {
                            NodeList ArtistNodeList = attribute.getChildNodes();
                            for (int j = 0; j < ArtistNodeList.getLength(); j++) {
                                Node Artistnode = ArtistNodeList.item(j);
                                if ((Artistnode.getNodeName().compareToIgnoreCase("name")) == 0) {
                                    // System.out.println(((Element)Artistnode).getFirstChild().getNodeValue());
                                    artistName = ((Element) Artistnode).getFirstChild().getNodeValue();
                                }
                            }
                        }
                    }
                    out.print(sourceMbid);
                    out.print(",");
                    out.print(trackName);
                    out.print(",");
                    out.println(artistName);
                    // out.print(",");
                    findSimilarTracks(track_id_out, sourceMbid, trackName, artistName);

                }
                track_id_out.flush();

                out.flush();
                out.close();
                track_id_out.close();
                track_os.close();

                // fw.close();
                Element trac = (Element) nodes.item(0);
                // trac.normalize();
                nodes = trac.getChildNodes();
                // System.out.println(nodes.getLength());

                for (int i = 0; i < nodes.getLength(); i++) {
                    Node node = nodes.item(i);
                    // System.out.println(node.getNodeName());
                    if ((node.getNodeName().compareToIgnoreCase("name")) == 0) {
                        // System.out.println(((Element)node).getFirstChild().getNodeValue());
                    }

                    if ((node.getNodeName().compareToIgnoreCase("mbid")) == 0) {
                        // System.out.println(((Element)node).getFirstChild().getNodeValue());
                    }

                    if ((node.getNodeName().compareToIgnoreCase("artist")) == 0) {

                        // System.out.println("Well");
                        NodeList ArtistNodeList = node.getChildNodes();
                        for (int j = 0; j < ArtistNodeList.getLength(); j++) {
                            Node Artistnode = ArtistNodeList.item(j);
                            if ((Artistnode.getNodeName().compareToIgnoreCase("name")) == 0) {
                                /* System.out.println(((Element)Artistnode).getFirstChild().getNodeValue());*/
                            }
                            /*System.out.println(Artistnode.getNodeName());*/
                        }
                    }

                }
                /*if(node instanceof Element){
                  //a child element to process
                  Element child = (Element) node;
                  String attribute = child.getAttribute("width");
                }*/

                // System.out.println(root.getAttribute("status"));
                NodeList tracks = root.getElementsByTagName("track");
                Element track = (Element) tracks.item(0);
                // System.out.println(track.getTagName());
                track.getChildNodes();

            } else {
                System.out.println("failed with status" + response.getStatusLine());
            }
            // input = (ByteArrayInputStream)entity1.getContent();
            // do something useful with the response body
            // and ensure it is fully consumed
        } finally {
            response.close();
        }
    }

    finally {
        System.out.println("Exited succesfully.");
        httpclient.close();

    }
}

From source file:Main.java

public static void close(OutputStream out) {
    try {/* w w  w.  j a v a  2  s  . c o  m*/
        out.close();
    } catch (IOException e) {
        e.printStackTrace();
    }
}

From source file:Main.java

private static void close(OutputStream os) throws IOException {
    if (os != null) {
        os.close();
    }//  ww  w .ja va  2 s .c o  m
}

From source file:Main.java

public static void close(OutputStream outputStream) {
    try {/*from ww w . j a v  a 2  s  .  c  om*/
        outputStream.close();
    } catch (IOException e) {
        e.printStackTrace();
    }
}

From source file:Main.java

public static void writeAll(String fileName, byte[] data) throws IOException {
    OutputStream stream = new FileOutputStream(fileName);
    stream.write(data);//  ww  w .  ja v a  2s.  com
    stream.close();
}

From source file:Main.java

public static void closeQuietly(OutputStream out) {
    try {/*w  ww . ja  v a 2 s .c o  m*/
        if (out != null)
            out.close();
    } catch (IOException ignore) {
    }
}

From source file:Main.java

/**
 * Marshal an arbitrary object with JAXB.
 *
 * @param object Object//  w ww  .j a v a 2s .c  o m
 * @param stream Output stream to write to
 */
public static void marshal(Object object, OutputStream stream) throws Exception {
    JAXB.marshal(object, stream);
    stream.close();
}

From source file:Main.java

public static void closeOutputStream(OutputStream os) {
    if (os != null) {
        try {/*  ww w  .  j  av a  2s  .  c o m*/
            os.close();
        } catch (IOException e) {
            //pass
        } finally {
            os = null;
        }
    }
}

From source file:Main.java

public static void closeStream(OutputStream stream) {
    if (null != stream) {
        try {/*from w ww . j  av a  2 s  .c o  m*/
            stream.close();
        } catch (IOException e) {
            e.printStackTrace();
        }
    }
}