Example usage for java.io InputStream close

List of usage examples for java.io InputStream close

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Introduction

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

Prototype

public void close() throws IOException

Source Link

Document

Closes this input stream and releases any system resources associated with the stream.

Usage

From source file:apps.ParsedPost.java

public static void main(String args[]) {

    Options options = new Options();

    options.addOption(INPUT_PARAM, null, true, INPUT_DESC);
    options.addOption(OUTPUT_PARAM, null, true, OUTPUT_DESC);
    options.addOption(MAX_NUM_REC_PARAM, null, true, MAX_NUM_REC_DESC);
    options.addOption(DEBUG_PRINT_PARAM, null, false, DEBUG_PRINT_DESC);
    options.addOption(EXCLUDE_CODE_PARAM, null, false, EXCLUDE_CODE_DESC);

    CommandLineParser parser = new org.apache.commons.cli.GnuParser();

    HashMap<String, ParsedPost> hQuestions = new HashMap<String, ParsedPost>();

    try {/*  w  w w .ja v  a 2  s.  co  m*/
        CommandLine cmd = parser.parse(options, args);

        String inputFile = cmd.getOptionValue(INPUT_PARAM);

        if (null == inputFile)
            Usage("Specify: " + INPUT_PARAM, options);

        String outputFile = cmd.getOptionValue(OUTPUT_PARAM);

        if (null == outputFile)
            Usage("Specify: " + OUTPUT_PARAM, options);

        InputStream input = CompressUtils.createInputStream(inputFile);
        BufferedWriter output = new BufferedWriter(new FileWriter(new File(outputFile)));

        int maxNumRec = Integer.MAX_VALUE;

        String tmp = cmd.getOptionValue(MAX_NUM_REC_PARAM);

        if (tmp != null)
            maxNumRec = Integer.parseInt(tmp);

        boolean debug = cmd.hasOption(DEBUG_PRINT_PARAM);

        boolean excludeCode = cmd.hasOption(EXCLUDE_CODE_PARAM);

        System.out.println("Processing at most " + maxNumRec + " records, excluding code? " + excludeCode);

        XmlIterator xi = new XmlIterator(input, ROOT_POST_TAG);

        String elem;

        output.write("<?xml version='1.0' encoding='UTF-8'?><ystfeed>\n");

        for (int num = 1; num <= maxNumRec && !(elem = xi.readNext()).isEmpty(); ++num) {
            ParsedPost post = null;
            try {
                post = parsePost(elem, excludeCode);

                if (!post.mAcceptedAnswerId.isEmpty()) {
                    hQuestions.put(post.mId, post);
                } else if (post.mpostIdType.equals("2")) {
                    String parentId = post.mParentId;
                    String id = post.mId;
                    if (!parentId.isEmpty()) {
                        ParsedPost parentPost = hQuestions.get(parentId);
                        if (parentPost != null && parentPost.mAcceptedAnswerId.equals(id)) {
                            output.write(createYahooAnswersQuestion(parentPost, post));
                            hQuestions.remove(parentId);
                        }
                    }
                }

            } catch (Exception e) {
                e.printStackTrace();
                throw new Exception("Error parsing record # " + num + ", error message: " + e);
            }
            if (debug) {
                System.out.println(String.format("%s parentId=%s acceptedAnswerId=%s type=%s", post.mId,
                        post.mParentId, post.mAcceptedAnswerId, post.mpostIdType));
                System.out.println("================================");
                if (!post.mTitle.isEmpty()) {
                    System.out.println(post.mTitle);
                    System.out.println("--------------------------------");
                }
                System.out.println(post.mBody);
                System.out.println("================================");
            }
        }

        output.write("</ystfeed>\n");

        input.close();
        output.close();

    } catch (ParseException e) {
        Usage("Cannot parse arguments", options);
    } catch (Exception e) {
        e.printStackTrace();
        System.err.println("Terminating due to an exception: " + e);
        System.exit(1);
    }

}

From source file:edu.cmu.lti.oaqa.knn4qa.apps.ParsedPost.java

public static void main(String args[]) {

    Options options = new Options();

    options.addOption(INPUT_PARAM, null, true, INPUT_DESC);
    options.addOption(OUTPUT_PARAM, null, true, OUTPUT_DESC);
    options.addOption(CommonParams.MAX_NUM_REC_PARAM, null, true, CommonParams.MAX_NUM_REC_DESC);
    options.addOption(DEBUG_PRINT_PARAM, null, false, DEBUG_PRINT_DESC);
    options.addOption(EXCLUDE_CODE_PARAM, null, false, EXCLUDE_CODE_DESC);

    CommandLineParser parser = new org.apache.commons.cli.GnuParser();

    HashMap<String, ParsedPost> hQuestions = new HashMap<String, ParsedPost>();

    try {/* ww  w.ja v a  2s. c o  m*/
        CommandLine cmd = parser.parse(options, args);

        String inputFile = cmd.getOptionValue(INPUT_PARAM);

        if (null == inputFile)
            Usage("Specify: " + INPUT_PARAM, options);

        String outputFile = cmd.getOptionValue(OUTPUT_PARAM);

        if (null == outputFile)
            Usage("Specify: " + OUTPUT_PARAM, options);

        InputStream input = CompressUtils.createInputStream(inputFile);
        BufferedWriter output = new BufferedWriter(new FileWriter(new File(outputFile)));

        int maxNumRec = Integer.MAX_VALUE;

        String tmp = cmd.getOptionValue(CommonParams.MAX_NUM_REC_PARAM);

        if (tmp != null)
            maxNumRec = Integer.parseInt(tmp);

        boolean debug = cmd.hasOption(DEBUG_PRINT_PARAM);

        boolean excludeCode = cmd.hasOption(EXCLUDE_CODE_PARAM);

        System.out.println("Processing at most " + maxNumRec + " records, excluding code? " + excludeCode);

        XmlIterator xi = new XmlIterator(input, ROOT_POST_TAG);

        String elem;

        output.write("<?xml version='1.0' encoding='UTF-8'?><ystfeed>\n");

        for (int num = 1; num <= maxNumRec && !(elem = xi.readNext()).isEmpty(); ++num) {
            ParsedPost post = null;
            try {
                post = parsePost(elem, excludeCode);

                if (!post.mAcceptedAnswerId.isEmpty()) {
                    hQuestions.put(post.mId, post);
                } else if (post.mpostIdType.equals("2")) {
                    String parentId = post.mParentId;
                    String id = post.mId;
                    if (!parentId.isEmpty()) {
                        ParsedPost parentPost = hQuestions.get(parentId);
                        if (parentPost != null && parentPost.mAcceptedAnswerId.equals(id)) {
                            output.write(createYahooAnswersQuestion(parentPost, post));
                            hQuestions.remove(parentId);
                        }
                    }
                }

            } catch (Exception e) {
                e.printStackTrace();
                throw new Exception("Error parsing record # " + num + ", error message: " + e);
            }
            if (debug) {
                System.out.println(String.format("%s parentId=%s acceptedAnswerId=%s type=%s", post.mId,
                        post.mParentId, post.mAcceptedAnswerId, post.mpostIdType));
                System.out.println("================================");
                if (!post.mTitle.isEmpty()) {
                    System.out.println(post.mTitle);
                    System.out.println("--------------------------------");
                }
                System.out.println(post.mBody);
                System.out.println("================================");
            }
        }

        output.write("</ystfeed>\n");

        input.close();
        output.close();

    } catch (ParseException e) {
        Usage("Cannot parse arguments", options);
    } catch (Exception e) {
        e.printStackTrace();
        System.err.println("Terminating due to an exception: " + e);
        System.exit(1);
    }

}

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

/**
 * Entry point. // w  w w  .  j  a v  a 2s.  c om
 * 
 * @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:Main.java

public static void close(InputStream in) {
    try {/*from   ww  w  .j  ava  2  s  .c  om*/
        in.close();
    } catch (IOException e) {
        e.printStackTrace();
    }
}

From source file:Main.java

public static String getLocalizedAssetPath(AssetManager assetManager, String pathTemplate) {
    String path = String.format(Locale.US, pathTemplate, "-" + Locale.getDefault().getLanguage().toLowerCase());

    try {/*www  .  java  2 s. c o  m*/
        InputStream is = assetManager.open(path);
        is.close();
    } catch (Exception ex) {
        path = String.format(Locale.US, pathTemplate, "");
    }

    return "file:///android_asset/" + path;
}

From source file:Main.java

public static void closeQuitely(InputStream in) throws IOException {
    try {//from  w  w  w. jav  a  2 s .c o  m
        in.close();
    } catch (IOException e) {
        e.printStackTrace();
    }
}

From source file:WBSTest.java

private static void initTorque() {
    try {/* w  ww.j a va 2 s .co m*/
        PropertiesConfiguration tcfg = new PropertiesConfiguration();
        System.out.println(WBSTest.class.getResource("/Torque.properties"));
        URL torqueURL = WBSTest.class.getResource("/Torque.properties");
        InputStream in = torqueURL.openStream();
        tcfg.load(in);
        in.close();
        Torque.init(tcfg); // Now really do it: initialize Torque

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

}

From source file:edu.lternet.pasta.datapackagemanager.checksum.DigestUtilsWrapper.java

/**
 * Gets the SHA-1 checksum of a file object based on its filename
 * // www .  j av  a2 s.  co  m
 * @param filename  filename of the file object whose checksum is being calculated
 * @return the SHA-1 checksum, a 40-character string
 * @throws Exception
 */
public static String getSHA1Checksum(String filename) throws Exception {
    InputStream fis = new FileInputStream(filename);
    fis.close();
    String shaHex = DigestUtils.shaHex(fis);
    return shaHex;
}

From source file:Main.java

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

From source file:Main.java

public static final void closeQuitely(InputStream is) {
    if (is != null) {
        try {// w ww  .  j  av  a2s.  c o  m
            is.close();
        } catch (Throwable ignored) {
            //ignored
        }
    }
}