Example usage for java.io InputStream available

Introduction

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

Prototype

public int available() throws IOException 

Source Link

Document

Returns an estimate of the number of bytes that can be read (or skipped over) from this input stream without blocking, which may be 0, or 0 when end of stream is detected.

Usage

From source file:net.sf.infrared.collector.impl.persistence.InProcessDataSource.java

boolean copy(String src, File dest) {
    // @TODO replace this with Commons FileUtils
    if (dest.exists()) {
        if (log.isDebugEnabled()) {
            log.debug(dest.getAbsoluteFile() + " exists");
        }/*from   ww w. j  a  v  a2  s.c  o m*/
        return false;
    } else {
        if (log.isDebugEnabled()) {
            log.debug(dest.getAbsoluteFile() + " doesn't exists");
        }
    }

    URL srcUrl = null;
    try {
        srcUrl = Thread.currentThread().getContextClassLoader().getResource(src);
    } catch (Throwable th) {
        log.error("Failed to find default in-process DB schema", th);
        return false;
    }

    if (srcUrl == null) {
        log.error("Failed to find default in-process DB schema");
        return false;
    }

    InputStream srcStream = null;
    byte[] bytes = null;
    try {
        srcStream = srcUrl.openStream();
        bytes = new byte[srcStream.available()];
        srcStream.read(bytes);
    } catch (IOException e) {
        log.fatal("Failed to read in-process DB schema from " + srcUrl, e);
        return false;
    } finally {
        try {
            if (srcStream != null) {
                srcStream.close();
            }
        } catch (IOException ignored) {
        }
    }

    FileOutputStream destStream = null;
    try {
        if (!dest.getParentFile().exists()) {
            dest.getParentFile().mkdirs();
        }
        dest.createNewFile();
        destStream = new FileOutputStream(dest);
        destStream.write(bytes);
        if (log.isDebugEnabled()) {
            log.debug("Create new in-process database at " + getDbPath());
        }
        return true;
    } catch (IOException e) {
        log.fatal("Failed to create file " + dest, e);
        return false;
    } finally {
        try {
            if (destStream != null) {
                destStream.close();
            }
        } catch (IOException ignored) {
        }
    }
}

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From source file:gemlite.core.internal.support.hotdeploy.scanner.ScannerIteratorItem.java

private byte[] readContent(ClassLoader loader, JarEntry entry) throws IOException {
    URL url = loader.getResource(entry.getName());
    URLConnection ulc = url.openConnection();
    InputStream in3 = ulc.getInputStream();
    InputStream in2 = url.openStream();

    InputStream in = loader.getResourceAsStream(entry.getName());
    if (in == null) {
        LogUtil.getCoreLog().trace("ReadContent inputStream is null entry.name={} , loader={}", entry.getName(),
                loader);//from ww  w .j  a v a2  s  .  co m
    }

    BufferedInputStream bi = new BufferedInputStream(in);
    byte[] bt = new byte[in.available()];
    bi.read(bt);
    bi.close();
    in.close();
    return bt;
}

---

From source file:us.pserver.revok.http.HttpContentFactory.java

/**
 * Create the <code>HttpEntity</code> with the content to be transmitted.
 * @return The <code>HttpEntity</code> with the content to be transmitted.
 * @throws IOException In case of error creating the <code>HttpEntity</code>.
 *//*  w  w w  . j  a  v  a  2s. c o m*/
public HttpEntity create() throws IOException {
    if (key == null && obj == null && input == null)
        return null;
    InputStream istream = createStream();
    return new InputStreamEntity(istream, istream.available(), type);
}

---

From source file:com.serphacker.serposcope.scraper.http.extensions.ScrapClientSSLConnectionFactory.java

private void verifyHostname(final SSLSocket sslsock, final String hostname) throws IOException {
    try {// w  w  w . ja v a 2  s .c om
        SSLSession session = sslsock.getSession();
        if (session == null) {
            // In our experience this only happens under IBM 1.4.x when
            // spurious (unrelated) certificates show up in the server'
            // chain.  Hopefully this will unearth the real problem:
            final InputStream in = sslsock.getInputStream();
            in.available();
            // If ssl.getInputStream().available() didn't cause an
            // exception, maybe at least now the session is available?
            session = sslsock.getSession();
            if (session == null) {
                // If it's still null, probably a startHandshake() will
                // unearth the real problem.
                sslsock.startHandshake();
                session = sslsock.getSession();
            }
        }
        if (session == null) {
            throw new SSLHandshakeException("SSL session not available");
        }

        if (this.log.isDebugEnabled()) {
            this.log.debug("Secure session established");
            this.log.debug(" negotiated protocol: " + session.getProtocol());
            this.log.debug(" negotiated cipher suite: " + session.getCipherSuite());

            try {

                final Certificate[] certs = session.getPeerCertificates();
                final X509Certificate x509 = (X509Certificate) certs[0];
                final X500Principal peer = x509.getSubjectX500Principal();

                this.log.debug(" peer principal: " + peer.toString());
                final Collection<List<?>> altNames1 = x509.getSubjectAlternativeNames();
                if (altNames1 != null) {
                    final List<String> altNames = new ArrayList<String>();
                    for (final List<?> aC : altNames1) {
                        if (!aC.isEmpty()) {
                            altNames.add((String) aC.get(1));
                        }
                    }
                    this.log.debug(" peer alternative names: " + altNames);
                }

                final X500Principal issuer = x509.getIssuerX500Principal();
                this.log.debug(" issuer principal: " + issuer.toString());
                final Collection<List<?>> altNames2 = x509.getIssuerAlternativeNames();
                if (altNames2 != null) {
                    final List<String> altNames = new ArrayList<String>();
                    for (final List<?> aC : altNames2) {
                        if (!aC.isEmpty()) {
                            altNames.add((String) aC.get(1));
                        }
                    }
                    this.log.debug(" issuer alternative names: " + altNames);
                }
            } catch (Exception ignore) {
            }
        }

        HostnameVerifier hostnameVerifier = insecure ? insecureHostnameVerifier : defaultHostnameVerifier;
        if (!hostnameVerifier.verify(hostname, session)) {
            final Certificate[] certs = session.getPeerCertificates();
            final X509Certificate x509 = (X509Certificate) certs[0];
            final X500Principal x500Principal = x509.getSubjectX500Principal();
            throw new SSLPeerUnverifiedException("Host name '" + hostname + "' does not match "
                    + "the certificate subject provided by the peer (" + x500Principal.toString() + ")");
        }
        // verifyHostName() didn't blowup - good!
    } catch (final IOException iox) {
        // close the socket before re-throwing the exception
        try {
            sslsock.close();
        } catch (final Exception x) {
            /*ignore*/ }
        throw iox;
    }
}

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From source file:controller.servlet.PostServlet.java

/**
 * Handles the HTTP <code>POST</code> method.
 *
 * @param request servlet request//  ww w .jav a 2 s.  c  om
 * @param response servlet response
 * @throws ServletException if a servlet-specific error occurs
 * @throws IOException if an I/O error occurs
 */
@Override
protected void doPost(HttpServletRequest request, HttpServletResponse response)
        throws ServletException, IOException {
    request.setCharacterEncoding("UTF-8");
    response.setCharacterEncoding("UTF-8");
    PostDAOService postService = PostDAO.getInstance();
    String title = null;
    String shortTitle = null;
    String sCategoryID = null;
    String content = null;
    String link = null;
    String action = null;
    // String pathImage;
    String imageName = "";
    boolean isUploadSuccess = false;
    ServletFileUpload fileUpload = new ServletFileUpload();
    try {
        FileItemIterator itr = fileUpload.getItemIterator(request);
        while (itr.hasNext()) {
            FileItemStream fileItemStream = itr.next();
            if (fileItemStream.isFormField()) {
                String fieldName = fileItemStream.getFieldName();
                InputStream is = fileItemStream.openStream();

                byte[] b = new byte[is.available()];
                is.read(b);
                String value = new String(b, "UTF-8");
                if (fieldName.equals("action")) {
                    action = value;
                }
                if (fieldName.equals("title")) {
                    title = value;
                }
                if (fieldName.equals("content")) {
                    content = value;
                }
                if (fieldName.equals("short-title")) {
                    shortTitle = value;
                }
                if (fieldName.equals("category-id")) {
                    sCategoryID = value;
                }
                if (fieldName.equals("link")) {
                    link = value;
                }

            } else {
                String realPath = getServletContext().getRealPath("/");
                String filePath = realPath.replace("\\build\\web", "\\web\\image\\post");//Duong dan luu file anh
                imageName = fileItemStream.getName();
                StringTokenizer token = new StringTokenizer(imageName, ".");
                String fileNameExtension = "";
                while (token.hasMoreElements()) {
                    fileNameExtension = token.nextElement().toString();
                }
                System.out.println("img: " + imageName);
                if (!imageName.equals("")) {
                    imageName = Support.randomString();
                    isUploadSuccess = FileUpload.processFile(filePath, fileItemStream, imageName,
                            fileNameExtension);
                    imageName += "." + fileNameExtension;
                }
            }
        }
        Post currentPost = new Post();
        currentPost.setPostID(postService.nextID());
        currentPost.setTitle(title);
        currentPost.setShortTitle(shortTitle);
        currentPost.setCategory(new Category(Integer.valueOf(sCategoryID), "", false));
        currentPost.setContent(content);
        currentPost.setDatePost(Support.getDatePost());
        currentPost.setUser((User) request.getSession().getAttribute(Constants.CURRENT_USER));
        currentPost.setLink(link);
        currentPost.setActive(false);
        request.setAttribute(Constants.CURRENT_POST, currentPost);
        request.setAttribute(Constants.LIST_CATEGORY, CategoryDAO.getInstance().getCategories());
        if (action != null) {
            switch (action) {
            case "up-load":
                upLoad(request, response, imageName, isUploadSuccess);
                break;
            case "add-topic":
                addTopic(request, response, currentPost);
                break;
            }
        }
    } catch (IOException | org.apache.tomcat.util.http.fileupload.FileUploadException e) {
        response.getWriter().println(e.toString());
    }
}

---

From source file:no.nordicsemi.android.nrftoolbox.dfu.HexInputStream.java

private int calculateBinSize() throws IOException {
    int binSize = 0;
    final InputStream in = this.in;
    in.mark(in.available());

    int b, lineSize, type;
    try {/* w  w w  . j  a va  2s .  c  o  m*/
        b = in.read();
        while (true) {
            checkComma(b);

            lineSize = readByte(in); // reading the length of the data in this line
            in.skip(4); // skipping address part
            type = readByte(in); // reading the line type
            switch (type) {
            case 0x00:
                // data type line
                binSize += lineSize;
                break;
            case 0x01:
                // end of file
                return binSize;
            case 0x02:
                // extended segment address record
            case 0x04:
                // extended linear address record
            default:
                break;
            }
            in.skip(lineSize * 2 /* 2 hex per one byte */ + 2 /* check sum */);
            // skip end of line
            while (true) {
                b = in.read();

                if (b != '\n' && b != '\r') {
                    break;
                }
            }
        }
    } finally {
        try {
            in.reset();
        } catch (IOException ex) {
            this.in = new BufferedInputStream(
                    new DefaultHttpClient().execute(this.httpGet).getEntity().getContent());
        }
    }
}

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From source file:com.temenos.interaction.example.mashup.streaming.HypermediaITCase.java

@Test
public void testFollowRelsToProfileImage() throws IOException, UniformInterfaceException, URISyntaxException {
    RepresentationFactory representationFactory = new StandardRepresentationFactory();

    ClientResponse response = webResource.path("/").accept(MediaType.APPLICATION_HAL_JSON)
            .get(ClientResponse.class);
    assertEquals(Response.Status.Family.SUCCESSFUL,
            Response.Status.fromStatusCode(response.getStatus()).getFamily());
    ReadableRepresentation homeResource = representationFactory.readRepresentation(
            MediaType.APPLICATION_HAL_JSON.toString(), new InputStreamReader(response.getEntityInputStream()));
    Link profileLink = homeResource.getLinkByRel("http://relations.rimdsl.org/profile");
    assertNotNull(profileLink);//from   w w w  . j a  va  2  s .c  o  m
    response.close();

    ClientResponse profileResponse = webResource.uri(new URI(profileLink.getHref()))
            .accept(MediaType.APPLICATION_HAL_JSON).get(ClientResponse.class);
    assertEquals(Response.Status.Family.SUCCESSFUL,
            Response.Status.fromStatusCode(profileResponse.getStatus()).getFamily());
    ReadableRepresentation profileResource = representationFactory.readRepresentation(
            MediaType.APPLICATION_HAL_JSON.toString(),
            new InputStreamReader(profileResponse.getEntityInputStream()));
    assertEquals("someone@somewhere.com", profileResource.getProperties().get("email"));
    Link profileImageLink = profileResource.getLinkByRel("http://relations.rimdsl.org/image");
    assertNotNull(profileImageLink);
    profileResponse.close();

    ClientResponse profileImageResponse = webResource.uri(new URI(profileImageLink.getHref()))
            .get(ClientResponse.class);
    assertEquals(Response.Status.Family.SUCCESSFUL,
            Response.Status.fromStatusCode(profileImageResponse.getStatus()).getFamily());
    InputStream imageStream = profileImageResponse.getEntityInputStream();
    FileOutputStream fos = new FileOutputStream("./testimg.jpg");
    try {
        IOUtils.copy(imageStream, fos);
    } finally {
        IOUtils.closeQuietly(imageStream);
    }
    fos.flush();
    fos.close();

    // check image received correctly
    assertEquals("image/jpeg", profileImageResponse.getHeaders().getFirst("Content-Type"));
    long originalFileSize;
    InputStream stream = null;
    try {
        URL url = this.getClass().getResource("/testimg.jpg");
        stream = url.openStream();
        originalFileSize = stream.available();
    } finally {
        IOUtils.closeQuietly(stream);
    }
    File receivedImage = new File("./testimg.jpg");
    assertEquals(originalFileSize, receivedImage.length());
    profileImageResponse.close();
}

---

From source file:mitm.common.util.SizeLimitedInputStreamTest.java

@Test
public void testLimitNoException() throws IOException, CertificateException, NoSuchProviderException {
    InputStream input = new FileInputStream(new File(testBase, "certificates/random-self-signed-1000.p7b"));

    final int maxBytes = 1000;

    InputStream limitedInput = new SizeLimitedInputStream(input, maxBytes, false);

    byte[] data = IOUtils.toByteArray(limitedInput);

    /*/*w  w w  . j  ava2  s. c om*/
     * Actual read is 4096 because the buffer size is 4096
     */
    assertEquals(4096, data.length);

    assertEquals(0, limitedInput.available());
    assertEquals(-1, limitedInput.read());
    assertEquals(-1, limitedInput.read(data));
    assertEquals(-1, limitedInput.read(data, 0, 100));
    assertEquals(0, limitedInput.skip(10));
}

---

From source file:IAAS.Monitoring.java

public boolean updateContainer(int container, int ram, int cpu) throws JSchException, IOException {
    JSch jsch = new JSch();
    String command;/* w w  w  .  j  av  a 2 s.c om*/
    if (cpu == 0)
        command = "/root/scripts/update_container.sh " + container + " " + ram;
    else
        command = "/root/scripts/update_container.sh " + container + " " + ram + " " + cpu;

    Session session = jsch.getSession(this.user, this.host, this.port);
    session.setConfig("StrictHostKeyChecking", "no");
    session.setPassword(this.pwd);
    session.connect();
    ChannelExec channel = (ChannelExec) session.openChannel("exec");
    channel.setCommand(command);
    channel.setInputStream(null);
    ((ChannelExec) channel).setErrStream(System.err);
    InputStream in = channel.getInputStream();
    channel.connect();
    boolean result = channel.isConnected();
    System.out.println("Unix system connected...");
    byte[] tmp = new byte[1024];
    boolean test = true;
    while (test) {
        while (in.available() > 0) {
            int i = in.read(tmp, 0, 1024);
            if (i < 0) {
                break;
            }
            String line = new String(tmp, 0, i);

            System.out.println("Unix system console output: ");
            System.out.println("Here is a line " + line);
        }
        if (channel.isClosed()) {
            test = false;
            break;
        }
        try {
            Thread.sleep(1000);
        } catch (Exception ee) {
            //ignore
        }
    }
    channel.disconnect();
    session.disconnect();

    //return Pattern.matches(pattern, text);
    return result;
}

---

From source file:cc.arduino.plugins.wifi101.flashers.Flasher.java

public byte[] getData() throws IOException {
    InputStream in = null;
    try {/*from w ww  .ja va2  s .co  m*/
        in = new FileInputStream(file);
        ByteArrayOutputStream res = new ByteArrayOutputStream();
        byte buff[] = new byte[4096];
        while (in.available() > 0) {
            int read = in.read(buff);
            if (read == -1) {
                break;
            }
            res.write(buff, 0, read);
        }
        return res.toByteArray();
    } finally {
        if (in != null) {
            in.close();
        }
    }
}

---

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