Example usage for java.io BufferedInputStream close

Introduction

In this page you can find the example usage for java.io BufferedInputStream 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:Main.java

/**
 * Parses the input stream of a URL and generates an XML document.
 * @param xmlUrl The URL of the XML document.
 * @return The parsed document.//from  w w w .j  a  v  a  2s .  com
 */
public static Document parseXML(URL xmlUrl) {
    InputStream is = null;
    BufferedInputStream bis = null;
    try {
        is = xmlUrl.openConnection().getInputStream();
        bis = new BufferedInputStream(is);
        return parseXML(bis);
    } catch (Exception e) {
        throw new RuntimeException("Failed to read XML URL:" + xmlUrl, e);
    } finally {
        try {
            bis.close();
        } catch (Exception e) {
        }
        try {
            is.close();
        } catch (Exception e) {
        }
    }
}

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From source file:Main.java

public static void copyFile(File in, File out) throws IOException {
    // avoids copying a file to itself
    if (in.equals(out)) {
        return;/*w w w .j  a  va 2  s  .  c om*/
    }
    // ensure the output file location exists
    out.getCanonicalFile().getParentFile().mkdirs();

    BufferedInputStream fis = new BufferedInputStream(new FileInputStream(in));
    BufferedOutputStream fos = new BufferedOutputStream(new FileOutputStream(out));

    // a temporary buffer to read into
    byte[] tmpBuffer = new byte[8192];
    int len = 0;
    while ((len = fis.read(tmpBuffer)) != -1) {
        // add the temp data to the output
        fos.write(tmpBuffer, 0, len);
    }
    // close the input stream
    fis.close();
    // close the output stream
    fos.flush();
    fos.close();
}

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From source file:Main.java

/**
 * Method read.//from  ww  w .jav  a  2s . c om
 * 
 * @param filepath
 *            String
 * @return Properties
 * @throws FileNotFoundException
 */
public static Properties read(String filepath) throws FileNotFoundException {
    Properties rval;
    BufferedInputStream bis = null;

    try {
        File file = new File(filepath);

        bis = new BufferedInputStream(new FileInputStream(file));
        rval = new Properties();

        rval.load(bis);

        return rval;
    } catch (IOException e) {
    } finally {
        if (bis != null) {
            try {
                bis.close();
            } catch (IOException e) {
            }

            bis = null;
        }
    }

    // try relative to java.home
    try {
        File file = new File(System.getProperty("java.home") + File.separator + filepath);

        bis = new BufferedInputStream(new FileInputStream(file));
        rval = new Properties();

        rval.load(bis);

        return rval;
    } catch (IOException e) {
    } finally {
        if (bis != null) {
            try {
                bis.close();
            } catch (IOException e) {
            }

            bis = null;
        }
    }

    throw new FileNotFoundException("Property file " + filepath + " not found");
}

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From source file:com.codemarvels.ant.aptrepotask.utils.Utils.java

/**
 * Compute the given message digest for a file.
 * //w ww.java 2  s. c om
 * @param hashType algorithm to be used (as {@code String})
 * @param file File to compute the digest for (as {@code File}).
 * @return A {@code String} for the hex encoded digest.
 * @throws MojoExecutionException
 */
public static String getDigest(String hashType, File file) {
    try {
        FileInputStream fis = new FileInputStream(file);
        BufferedInputStream bis = new BufferedInputStream(fis);
        MessageDigest digest = MessageDigest.getInstance(hashType);
        DigestInputStream dis = new DigestInputStream(bis, digest);
        @SuppressWarnings("unused")
        int ch;
        while ((ch = dis.read()) != -1)
            ;
        String hex = new String(Hex.encodeHex(digest.digest()));
        fis.close();
        bis.close();
        dis.close();
        return hex;
    } catch (NoSuchAlgorithmException e) {
        throw new RuntimeException("could not create digest", e);
    } catch (FileNotFoundException e) {
        throw new RuntimeException("could not create digest", e);
    } catch (IOException e) {
        throw new RuntimeException("could not create digest", e);
    }
}

---

From source file:Main.java

@SuppressWarnings("SameParameterValue")
public static Bitmap fetchAndRescaleBitmap(String uri, int width, int height) throws IOException {
    URL url = new URL(uri);
    BufferedInputStream is = null;
    try {//from  w w  w  . java 2 s.  co m
        HttpURLConnection urlConnection = (HttpURLConnection) url.openConnection();
        is = new BufferedInputStream(urlConnection.getInputStream());
        is.mark(MAX_READ_LIMIT_PER_IMG);
        int scaleFactor = findScaleFactor(width, height, is);
        is.reset();
        return scaleBitmap(scaleFactor, is);
    } finally {
        if (is != null) {
            is.close();
        }
    }
}

---

From source file:edu.du.penrose.systems.util.HttpClientUtils.java

/**
 * Get file from URL, directories are created and files overwritten.
 * /*from   w  w  w .  j av a  2 s  .  c o m*/
 * 
 * @deprecated use  org.apache.commons.io.FileUtils.copyURLToFile(URL, File)
 * @param requestUrl
 * @param outputPathAndFileName
 *
 * @return int request status code OR -1 if an exception occurred
 */
static public int getToFile(String requestUrl, String outputPathAndFileName) {
    int resultStatus = -1;

    File outputFile = new File(outputPathAndFileName);
    String outputPath = outputFile.getAbsolutePath().replace(outputFile.getName(), "");
    File outputDir = new File(outputPath);
    if (!outputDir.exists()) {
        outputDir.mkdir();
    }

    HttpClient client = new HttpClient();

    //   client.getState().setCredentials(
    //         new AuthScope("localhost", 7080, null ),
    //         new UsernamePasswordCredentials("nation", "nationPW") 
    //     );
    //   client.getParams().setAuthenticationPreemptive(true);

    HttpMethod method = new GetMethod(requestUrl);

    //   method.setDoAuthentication( true );   
    //  client.getParams().setAuthenticationPreemptive(true);

    // Execute and print response
    try {

        OutputStream os = new FileOutputStream(outputFile);

        client.executeMethod(method);
        InputStream is = method.getResponseBodyAsStream();
        BufferedInputStream bis = new BufferedInputStream(is);

        byte[] bytes = new byte[8192]; // reading as chunk of 8192 bytes
        int count = bis.read(bytes);
        while (count != -1 && count <= 8192) {
            os.write(bytes, 0, count);
            count = bis.read(bytes);
        }
        bis.close();
        os.close();
        resultStatus = method.getStatusCode();

    } catch (Exception e) {
        e.printStackTrace();
    } finally {
        method.releaseConnection();
    }

    return resultStatus;
}

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From source file:Main.java

public static void downLoadFile(final String strUrl, final String fileURL, final int bufferLength) {
    BufferedInputStream in = null;
    BufferedOutputStream out = null;
    try {/*  w ww . j a va  2  s .com*/

        in = new BufferedInputStream(new URL(strUrl).openStream());
        File img = new File(fileURL);
        out = new BufferedOutputStream(new FileOutputStream(img));
        byte[] buf = new byte[bufferLength];
        int count = in.read(buf);
        while (count != -1) {
            out.write(buf, 0, count);
            count = in.read(buf);
        }
        in.close();
        out.close();

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

    }

}

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From source file:com.amalto.workbench.utils.ResourcesUtil.java

private static String readFileAsString(String fileName) throws Exception {
    FileInputStream fis = new FileInputStream(fileName);
    BufferedInputStream in = new BufferedInputStream(fis);
    byte buffer[] = new byte[256];
    StringBuffer picStr = new StringBuffer();
    Encoder encoder = Base64.getEncoder();
    while (in.read(buffer) >= 0) {
        picStr.append(encoder.encodeToString(buffer));
    }/*ww w.jav a  2 s .  c  om*/
    fis.close();
    fis = null;
    in.close();
    in = null;
    buffer = null;
    return picStr.toString();
}

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From source file:Main.java

public static File getFileFromCacheOrURL(File cacheDir, URL url) throws IOException {
    Log.i(TAG, "getFileFromCacheOrURL(): url = " + url.toExternalForm());

    String filename = url.getFile();
    int lastSlashPos = filename.lastIndexOf('/');
    String fileNameNoPath = new String(lastSlashPos == -1 ? filename : filename.substring(lastSlashPos + 1));

    File file = new File(cacheDir, fileNameNoPath);

    if (file.exists()) {
        if (file.length() > 0) {
            Log.i(TAG, "File exists in cache as: " + file.getAbsolutePath());
            return file;
        } else {//from  w ww .j  a va2s  .  c o  m
            Log.i(TAG, "Deleting zero length file " + file.getAbsolutePath());
            file.delete();
        }
    }

    Log.i(TAG, "File " + file.getAbsolutePath() + " does not exists.");

    URLConnection ucon = url.openConnection();
    ucon.setReadTimeout(5000);
    ucon.setConnectTimeout(30000);

    InputStream is = ucon.getInputStream();
    BufferedInputStream inStream = new BufferedInputStream(is, 1024 * 5);
    FileOutputStream outStream = new FileOutputStream(file);
    byte[] buff = new byte[5 * 1024];

    // Read bytes (and store them) until there is nothing more to read(-1)
    int len;
    while ((len = inStream.read(buff)) != -1) {
        outStream.write(buff, 0, len);
    }

    // Clean up
    outStream.flush();
    outStream.close();
    inStream.close();
    return file;
}

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From source file:com.bahmanm.karun.Utils.java

/**
 * Extracts a gzip'ed tar archive./*from www .j av a  2s  . c om*/
 * 
 * @param archivePath Path to archive
 * @param destDir Destination directory
 * @throws IOException 
 */
public synchronized static void extractTarGz(String archivePath, File destDir)
        throws IOException, ArchiveException {
    // copy
    File tarGzFile = File.createTempFile("karuntargz", "", destDir);
    copyFile(archivePath, tarGzFile.getAbsolutePath());

    // decompress
    File tarFile = File.createTempFile("karuntar", "", destDir);
    FileInputStream fin = new FileInputStream(tarGzFile);
    BufferedInputStream bin = new BufferedInputStream(fin);
    FileOutputStream fout = new FileOutputStream(tarFile);
    GzipCompressorInputStream gzIn = new GzipCompressorInputStream(bin);
    final byte[] buffer = new byte[1024];
    int n = 0;
    while (-1 != (n = gzIn.read(buffer))) {
        fout.write(buffer, 0, n);
    }
    bin.close();
    fin.close();
    gzIn.close();
    fout.close();

    // extract
    final InputStream is = new FileInputStream(tarFile);
    ArchiveInputStream ain = new ArchiveStreamFactory().createArchiveInputStream("tar", is);
    TarArchiveEntry entry = null;
    while ((entry = (TarArchiveEntry) ain.getNextEntry()) != null) {
        OutputStream out;
        if (entry.isDirectory()) {
            File f = new File(destDir, entry.getName());
            f.mkdirs();
            continue;
        } else
            out = new FileOutputStream(new File(destDir, entry.getName()));
        IOUtils.copy(ain, out);
        out.close();
    }
    ain.close();
    is.close();
}

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