Example usage for java.io BufferedInputStream BufferedInputStream

Introduction

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

Prototype

public BufferedInputStream(InputStream in) 

Source Link

Document

Creates a BufferedInputStream and saves its argument, the input stream in, for later use.

Usage

From source file:com.smash.revolance.ui.model.helper.ArchiveHelper.java

public static File buildArchive(File archive, File... files) throws FileNotFoundException {
    FileOutputStream fos = new FileOutputStream(archive);
    ZipOutputStream zos = new ZipOutputStream(fos);
    int bytesRead;
    byte[] buffer = new byte[1024];
    CRC32 crc = new CRC32();

    for (File file : files) {
        if (!file.exists()) {
            System.err.println("Skipping: " + file);
            continue;
        }/*from w w  w .  j a v a 2s .  c o m*/
        BufferedInputStream bis = null;
        try {
            bis = new BufferedInputStream(new FileInputStream(file));
            crc.reset();
            while ((bytesRead = bis.read(buffer)) != -1) {
                crc.update(buffer, 0, bytesRead);
            }

            bis.close();

            // Reset to beginning of input stream
            bis = new BufferedInputStream(new FileInputStream(file));
            String entryPath = FileHelper.getRelativePath(archive.getParentFile(), file);

            ZipEntry entry = new ZipEntry(entryPath);
            entry.setMethod(ZipEntry.STORED);
            entry.setCompressedSize(file.length());
            entry.setSize(file.length());
            entry.setCrc(crc.getValue());
            zos.putNextEntry(entry);
            while ((bytesRead = bis.read(buffer)) != -1) {
                zos.write(buffer, 0, bytesRead);
            }
        } catch (FileNotFoundException e) {

        } catch (IOException e) {
            e.printStackTrace(); //To change body of catch statement use File | Settings | File Templates.
        } finally {
            IOUtils.closeQuietly(bis);
        }
    }
    IOUtils.closeQuietly(zos);
    return archive;
}

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From source file:de.suse.swamp.util.FileUtils.java

/**
 * Decompress the provided Stream to "targetPath"
 *//* w w w.  j av  a 2  s  .  co  m*/
public static void uncompress(InputStream inputFile, String targetPath) throws Exception {
    ZipInputStream zin = new ZipInputStream(new BufferedInputStream(inputFile));
    BufferedOutputStream dest = null;
    ZipEntry entry;
    while ((entry = zin.getNextEntry()) != null) {
        int count;
        byte data[] = new byte[2048];
        // write the files to the disk
        if (entry.isDirectory()) {
            org.apache.commons.io.FileUtils.forceMkdir(new File(targetPath + "/" + entry.getName()));
        } else {
            FileOutputStream fos = new FileOutputStream(targetPath + "/" + entry.getName());
            dest = new BufferedOutputStream(fos, 2048);
            while ((count = zin.read(data, 0, 2048)) != -1) {
                dest.write(data, 0, count);
            }
            dest.flush();
            dest.close();
        }
    }
}

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From source file:JarResources.java

public JarResources(String jarFileName) throws Exception {
    this.jarFileName = jarFileName;
    ZipFile zf = new ZipFile(jarFileName);
    Enumeration e = zf.entries();
    while (e.hasMoreElements()) {
        ZipEntry ze = (ZipEntry) e.nextElement();

        htSizes.put(ze.getName(), new Integer((int) ze.getSize()));
    }/*from  w w w .  jav a2  s.c  o  m*/
    zf.close();

    // extract resources and put them into the hashtable.
    FileInputStream fis = new FileInputStream(jarFileName);
    BufferedInputStream bis = new BufferedInputStream(fis);
    ZipInputStream zis = new ZipInputStream(bis);
    ZipEntry ze = null;
    while ((ze = zis.getNextEntry()) != null) {
        if (ze.isDirectory()) {
            continue;
        }

        int size = (int) ze.getSize();
        // -1 means unknown size.
        if (size == -1) {
            size = ((Integer) htSizes.get(ze.getName())).intValue();
        }

        byte[] b = new byte[(int) size];
        int rb = 0;
        int chunk = 0;
        while (((int) size - rb) > 0) {
            chunk = zis.read(b, rb, (int) size - rb);
            if (chunk == -1) {
                break;
            }
            rb += chunk;
        }

        htJarContents.put(ze.getName(), b);
    }
}

---

From source file:com.usefullc.platform.common.utils.IOUtils.java

/**
 * /*from  www.j  a  v a  2 s  .  co  m*/
 * 
 * @param path
 * @param fileName
 * @param response
 * @return
 */
public static void download(String path, String fileName, HttpServletResponse response) {
    try {

        if (StringUtils.isEmpty(path)) {
            throw new IllegalArgumentException("?");
        } else {
            File file = new File(path);
            if (!file.exists()) {
                throw new IllegalArgumentException("??");
            }
        }
        if (StringUtils.isEmpty(fileName)) {
            throw new IllegalArgumentException("???");
        }
        if (response == null) {
            throw new IllegalArgumentException("response ?");
        }

        // path
        File file = new File(path);

        // ??
        InputStream fis = new BufferedInputStream(new FileInputStream(path));
        byte[] buffer = new byte[fis.available()];
        fis.read(buffer);
        fis.close();
        // response
        response.reset();

        // ??linux ?  linux utf-8,windows  GBK)
        String defaultEncoding = System.getProperty("file.encoding");
        if (defaultEncoding != null && defaultEncoding.equals("UTF-8")) {

            response.addHeader("Content-Disposition",
                    "attachment;filename=" + new String(fileName.getBytes("GBK"), "iso-8859-1"));
        } else {
            response.addHeader("Content-Disposition",
                    "attachment;filename=" + new String(fileName.getBytes(), "iso-8859-1"));
        }

        // responseHeader
        response.addHeader("Content-Length", "" + file.length());
        response.setContentType("application/octet-stream");
        OutputStream toClient = new BufferedOutputStream(response.getOutputStream());
        toClient.write(buffer);
        toClient.flush();
        toClient.close();
    } catch (Exception ex) {
        ex.printStackTrace();
    }
}

---

From source file:com.mc.printer.model.utils.ZipHelper.java

public static void unZip(String sourceZip, String outDirName) throws IOException {
    log.info("unzip source:" + sourceZip);
    log.info("unzip to :" + outDirName);
    ZipFile zfile = new ZipFile(sourceZip);
    System.out.println(zfile.getName());
    Enumeration zList = zfile.entries();
    ZipEntry ze = null;/*from w ww . j a va 2 s  . c om*/
    byte[] buf = new byte[1024];
    while (zList.hasMoreElements()) {
        //ZipFileZipEntry
        ze = (ZipEntry) zList.nextElement();
        if (ze.isDirectory()) {
            continue;
        }
        //ZipEntry?InputStreamOutputStream
        File fil = getRealFileName(outDirName, ze.getName());

        OutputStream os = new BufferedOutputStream(new FileOutputStream(fil));
        InputStream is = new BufferedInputStream(zfile.getInputStream(ze));
        int readLen = 0;
        while ((readLen = is.read(buf, 0, 1024)) != -1) {
            os.write(buf, 0, readLen);
        }
        is.close();
        os.close();
        log.debug("Extracted: " + ze.getName());
    }
    zfile.close();

}

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From source file:de.thischwa.pmcms.tool.ChecksumTool.java

/**
 * Wrapper to {@link #get(InputStream)}.
 *///from  w ww . jav a  2s.co  m
public static Map<String, String> get(final File checksumXmlFile) {
    try {
        return get(new BufferedInputStream(new FileInputStream(checksumXmlFile)));
    } catch (Exception e) {
        throw new FatalException("Error while reading checksum file: " + e.getMessage(), e);
    }
}

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From source file:net.GoTicketing.GetNecessaryCookie.java

public static void getCookie(String host, String referer, String target, Map<String, String> cookieMap) {

    try (CloseableHttpClient httpClient = HttpClients.createDefault()) {
        HttpGet httpGet = new HttpGet(host + target);
        httpGet.setConfig(DEFAULT_PARAMS);

        String cookies = CookieMapToString(cookieMap);
        if (!cookies.equals(""))
            httpGet.setHeader("Cookie", cookies);

        httpGet.setHeader("Referer", host + referer);

        try (CloseableHttpResponse httpResponse = httpClient.execute(httpGet)) {

            //  HttpStatusCode != 200 && != 404
            if (httpResponse.getStatusLine().getStatusCode() != HttpStatus.SC_OK
                    && httpResponse.getStatusLine().getStatusCode() != HttpStatus.SC_NOT_FOUND) {
                String ErrorCode = "Response Status : " + httpResponse.getStatusLine().getStatusCode();
                throw new IOException(ErrorCode);
            }/*from   w w  w  .  j  a va 2 s . c o m*/

            try (BufferedInputStream buff = new BufferedInputStream(httpResponse.getEntity().getContent())) {
                String hstr;
                for (Header header : httpResponse.getHeaders("Set-Cookie")) {
                    hstr = header.getValue().split(";")[0];
                    cookieMap.put(hstr.split("=", 2)[0], hstr.split("=", 2)[1]);
                }
            }
        }
    } catch (IOException ex) {
        logger.log(Level.WARNING, "Get cookie from {0} failed in exception : {1}", new Object[] { target, ex });
    }
}

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From source file:eu.scape_project.arc2warc.utils.ArcUtils.java

/**
 * Read the ARC record content into a byte array. Note that the record
 * content can be only read once, it is "consumed" afterwards.
 *
 * @param arcRecord ARC record.//ww  w  .j  a va2 s.  c  o  m
 * @return Content byte array.
 * @throws IOException If content is too large to be stored in a byte array.
 */
public static byte[] arcRecordPayloadToByteArray(ARCRecord arcRecord) throws IOException {
    // Byte point where the content of the ARC record begins
    int contentBegin = (int) arcRecord.getMetaData().getContentBegin();
    ByteArrayOutputStream baos = new ByteArrayOutputStream();
    BufferedInputStream buffis = new BufferedInputStream(arcRecord);
    BufferedOutputStream buffos = new BufferedOutputStream(baos);
    byte[] tempBuffer = new byte[BUFFER_SIZE];
    int bytesRead;
    // skip header content
    buffis.skip(contentBegin);
    while ((bytesRead = buffis.read(tempBuffer)) != -1) {
        buffos.write(tempBuffer, 0, bytesRead);
    }
    buffis.close();
    buffos.flush();
    buffos.close();
    return baos.toByteArray();
}

---

From source file:de.tudarmstadt.lt.utilities.IOUtils.java

public static String read(InputStream is, Charset charset) throws FileNotFoundException, IOException {
    SimpleByteArrayInputStream in = new SimpleByteArrayInputStream(new BufferedInputStream(is));
    byte[] bytes = in.readAll();
    in.close();/*from w  ww  . j a v  a2s  .c o m*/
    String result = stringFromBytes(bytes, charset);
    return result;
}

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From source file:com.bdaum.zoom.net.core.internal.Activator.java

public static InputStream openStream(String url, int timeout)
        throws MalformedURLException, IOException, HttpException {
    URL u = new URL(url);
    URLConnection con = u.openConnection();
    con.setConnectTimeout(timeout);/*  w ww.j a  v  a  2s . co  m*/
    con.setReadTimeout(timeout);
    try {
        return new BufferedInputStream(con.getInputStream());
    } catch (IOException e) {
        int responseCode = -1;
        if (con instanceof HttpURLConnection)
            responseCode = ((HttpURLConnection) con).getResponseCode();
        else if (con instanceof HttpsURLConnection)
            responseCode = ((HttpsURLConnection) con).getResponseCode();
        if (responseCode >= 0 && responseCode != HttpStatus.SC_OK)
            throw new HttpException(getStatusText(responseCode), e);
        throw e;
    }
}

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