Example usage for java.io InputStream available

List of usage examples for java.io InputStream available

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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:it.pronetics.madstore.server.test.servlet.DataServlet.java

public void init(ServletConfig config) throws ServletException {
    try {//from w ww . j  a  v a2  s. c  o  m
        super.init(config);
        ctx = WebApplicationContextUtils.getWebApplicationContext(getServletContext());
        Map collectionRepositories = ctx.getBeansOfType(CollectionRepository.class);
        Map entryRepositories = ctx.getBeansOfType(EntryRepository.class);
        if (collectionRepositories.size() != 1 || entryRepositories.size() != 1) {
            throw new IllegalStateException();
        } else {
            collectionRepository = (CollectionRepository) collectionRepositories.values().toArray()[0];
            entryRepository = (EntryRepository) entryRepositories.values().toArray()[0];
        }
        InputStream collectionStream = Thread.currentThread().getContextClassLoader()
                .getResourceAsStream("entriesCollection.xml");
        InputStream entryStream1 = Thread.currentThread().getContextClassLoader()
                .getResourceAsStream("entry1.xml");
        InputStream entryStream2 = Thread.currentThread().getContextClassLoader()
                .getResourceAsStream("entry2.xml");
        InputStream entryStream3 = Thread.currentThread().getContextClassLoader()
                .getResourceAsStream("entry3.xml");

        byte[] bytes = new byte[collectionStream.available()];
        collectionStream.read(bytes);
        Element collection = DomHelper.getDomFromString(new String(bytes));

        bytes = new byte[entryStream1.available()];
        entryStream1.read(bytes);
        Element entry1 = DomHelper.getDomFromString(new String(bytes));

        bytes = new byte[entryStream2.available()];
        entryStream2.read(bytes);
        Element entry2 = DomHelper.getDomFromString(new String(bytes));

        bytes = new byte[entryStream3.available()];
        entryStream3.read(bytes);
        Element entry3 = DomHelper.getDomFromString(new String(bytes));

        collectionKey = collectionRepository.putIfAbsent(collection);
        entryRepository.put(collectionKey, entry1);
        entryRepository.put(collectionKey, entry2);
        entryRepository.put(collectionKey, entry3);
    } catch (Exception ex) {
        throw new ServletException(ex.getMessage(), ex);
    }
}

From source file:com.stepsdk.android.api.APIClient.java

private MultipartEntity addFile(MultipartEntity mpEntity, String key, String fromPath) throws IOException {

    String filepath;//  w ww . j a  v a  2s  .c  o  m
    try {
        filepath = URLDecoder.decode(fromPath, "UTF-8"); // handle special character
    } catch (Exception e) {
        filepath = fromPath;
    }
    String fromFilename = filepath.substring(filepath.lastIndexOf("/") + 1);

    String filename = "";
    long filesize = 0;
    ContentBody cbFile = null;

    log(TAG, "from upload path: " + fromPath);

    // upload from content uri
    if (fromPath.indexOf("content://") > -1) {
        Uri uri = Uri.parse(fromPath);
        String mime = mContext.getContentResolver().getType(uri);
        String extension = MimeTypeMap.getSingleton().getExtensionFromMimeType(mime);
        String mediatype = mime.substring(0, mime.indexOf('/'));

        InputStream is = mContext.getContentResolver().openInputStream(uri);
        filesize = is.available();
        filename = mediatype + fromFilename + "." + extension;
        cbFile = new InputStreamBody(is, mime, filename);

    } else { //upload from file uri
        File file = new File(filepath);

        filesize = file.length();
        filename = fromFilename;
        cbFile = new FileBody(file, FileUtil.getMimeTypeFromFilePath(fromPath));
    }

    //final String finalfilename = filename;
    final long finalfilesize = filesize;
    //final int task_id = params[1].getIntExtra("cancel_task_id", 0);
    //final Intent cancelintent = params[1];
    //final Intent doneintent = params[2];

    mpEntity.addPart(key, cbFile);

    return mpEntity;
}

From source file:calliope.db.CouchConnection.java

/**
 * Fetch a resource from the server, or try to.
 * @param db the name of the database/*from ww w.j  a v  a  2 s. c  o  m*/
 * @param docID the docid of the reputed resource
 * @return the response as a string or null if not found
 */
@Override
public String getFromDb(String db, String docID) throws AeseException {
    try {
        //long startTime = System.currentTimeMillis();
        String login = (user == null) ? "" : user + ":" + password + "@";
        docID = convertDocID(docID);
        URL u = new URL("http://" + login + host + ":" + dbPort + "/" + db + "/" + docID);
        URLConnection conn = u.openConnection();
        InputStream is = conn.getInputStream();
        ByteHolder bh = new ByteHolder();
        long timeTaken = 0, start = System.currentTimeMillis();
        // HttpURLConnection seems to use non-blocking I/O
        while (timeTaken < bigTimeout && (is.available() > 0 || timeTaken < smallTimeout)) {
            if (is.available() > 0) {
                byte[] data = new byte[is.available()];
                is.read(data);
                bh.append(data);
                // restart timeout
                timeTaken = 0;
            } else
                timeTaken = System.currentTimeMillis() - start;
        }
        is.close();
        if (bh.isEmpty())
            throw new FileNotFoundException("failed to fetch resource " + db + "/" + docID);
        //System.out.println("time taken to fetch from couch: "
        //+(System.currentTimeMillis()-startTime) );
        else
            return new String(bh.getData(), "UTF-8");
    } catch (Exception e) {
        throw new AeseException(e);
    }
}

From source file:net.solarnetwork.node.io.rxtx.SerialPortSupport.java

protected final void readAvailable(InputStream in, ByteArrayOutputStream sink) {
    byte[] buf = new byte[1024];
    try {//from  ww w  .j a  v  a2 s . c o m
        int len = -1;
        while (in.available() > 0 && (len = in.read(buf, 0, buf.length)) > 0) {
            sink.write(buf, 0, len);
        }
    } catch (IOException e) {
        log.warn("IOException reading serial data: {}", e.getMessage());
    }
    if (eventLog.isTraceEnabled()) {
        eventLog.trace("Finished reading data: {}", asciiDebugValue(sink.toByteArray()));
    }
}

From source file:net.solarnetwork.node.io.rxtx.SerialPortSupport.java

/**
 * Read from the InputStream until it is empty.
 * /* ww w .j  a v  a  2s. c o m*/
 * @param in
 */
protected void drainInputStream(InputStream in) {
    byte[] buf = new byte[1024];
    int len = -1;
    int total = 0;
    try {
        final int max = Math.min(in.available(), buf.length);
        eventLog.trace("Attempting to drain {} bytes from serial port", max);
        while (max > 0 && (len = in.read(buf, 0, max)) > 0) {
            // keep draining
            total += len;
        }
    } catch (IOException e) {
        // ignore this
    }
    eventLog.trace("Drained {} bytes from serial port", total);
}

From source file:org.dataone.proto.trove.mn.service.v1.impl.MNReadImpl.java

@Override
public InputStream get(Identifier pid)
        throws InvalidToken, NotAuthorized, NotImplemented, ServiceFailure, NotFound, InsufficientResources {

    InputStream inputStream = null;
    try {// w w  w.j a  v  a  2 s  . c o m
        ObjectList objectList = new ObjectList();
        inputStream = (InputStream) dataoneDataObjectDirectory.get(pid);

        //            logger.info("get filepath: " + filePath);
        //            inputStream = new FileInputStream(new File(filePath));
        logger.debug("is it available? " + inputStream.available());
    } catch (FileNotFoundException ex) {
        logger.warn(ex);
        NotFound exception = new NotFound("000", ex.getMessage());
        throw exception;
    } catch (IOException ex) {
        logger.warn(ex);
        ServiceFailure exception = new ServiceFailure("001", ex.getMessage());
        throw exception;
    }
    return inputStream;
}

From source file:org.dataone.proto.trove.mn.rest.v1.ObjectController.java

/**
 * update the object requested//from w  w  w .ja  va 2 s .  c  om
 *
 * @param request
 * @param response
 * @param pid
 * @throws InvalidToken
 * @throws ServiceFailure
 * @throws IOException
 * @throws NotAuthorized
 * @throws NotFound
 * @throws NotImplemented
 */
@RequestMapping(value = "/v1/object/{pid}", method = RequestMethod.PUT)
public void update(MultipartHttpServletRequest fileRequest, HttpServletResponse response,
        @PathVariable String pid)
        throws InvalidToken, ServiceFailure, IOException, NotAuthorized, NotFound, NotImplemented,
        InvalidRequest, InsufficientResources, InvalidSystemMetadata, IdentifierNotUnique, UnsupportedType {

    debugRequest(fileRequest);
    Identifier id = new Identifier();
    try {
        id.setValue(urlCodec.decode(pid, "UTF-8"));
    } catch (DecoderException ex) {
        throw new ServiceFailure("20000", ex.getMessage());
    } catch (UnsupportedEncodingException ex) {
        throw new ServiceFailure("20001", ex.getMessage());
    }
    if (!this.logRequest(fileRequest, Event.UPDATE, id)) {

        throw new ServiceFailure("20001", "unable to log request");
    }
    Session session = new Session();
    InputStream objectInputStream = null;
    MultipartFile sytemMetaDataMultipart = null;
    MultipartFile objectMultipart = null;

    SystemMetadata systemMetadata = null;
    Set<String> keys = fileRequest.getFileMap().keySet();
    for (String key : keys) {
        if (key.equalsIgnoreCase("sysmeta")) {
            sytemMetaDataMultipart = fileRequest.getFileMap().get(key);
        } else {
            objectMultipart = fileRequest.getFileMap().get(key);
        }
    }
    if (sytemMetaDataMultipart != null) {
        try {

            systemMetadata = (SystemMetadata) TypeMarshaller.unmarshalTypeFromStream(SystemMetadata.class,
                    sytemMetaDataMultipart.getInputStream());
        } catch (IOException ex) {
            throw new InvalidSystemMetadata("15001", ex.getMessage());
        } catch (JiBXException ex) {
            throw new InvalidSystemMetadata("15002", ex.getMessage());
        } catch (InstantiationException ex) {
            throw new InvalidSystemMetadata("15003", ex.getMessage());
        } catch (IllegalAccessException ex) {
            throw new InvalidSystemMetadata("15004", ex.getMessage());
        }
    } else {
        throw new InvalidSystemMetadata("15005",
                "System Metadata was not found as Part of Multipart Mime message");
    }
    if (objectMultipart != null && !(objectMultipart.isEmpty())) {
        try {
            objectInputStream = objectMultipart.getInputStream();
        } catch (IOException ex) {
            throw new InvalidRequest("15006", ex.getMessage());
        }
    } else {
        throw new InvalidRequest("15007", "Object to be created is not attached");
    }

    id.setValue(systemMetadata.getIdentifier().getValue());

    DateTime dt = new DateTime();
    systemMetadata.setDateSysMetadataModified(dt.toDate());

    mnStorage.update(id, null, id, null);
    InputStream in = mnRead.get(id);
    OutputStream out = response.getOutputStream();
    try {

        byte[] buffer = null;
        int filesize = in.available();
        if (filesize < 250000) {
            buffer = new byte[SMALL_BUFF_SIZE];
        } else if (filesize >= 250000 && filesize <= 500000) {
            buffer = new byte[MED_BUFF_SIZE];
        } else {
            buffer = new byte[LARGE_BUFF_SIZE];
        }
        while (true) {
            int amountRead = in.read(buffer);
            if (amountRead == -1) {
                break;
            }
            out.write(buffer, 0, amountRead);
            out.flush();
        }
    } finally {
        if (in != null) {
            in.close();
        }
        if (out != null) {
            out.flush();
            out.close();
        }

    }
}

From source file:J2MESecondExample.java

private void downloadPage(String url) throws IOException {
    StringBuffer b = new StringBuffer();
    InputStream is = null;
    HttpConnection c = null;//w w w. j a va  2 s .c  om
    TextBox t = null;
    try {
        long len = 0;
        int ch = 0;

        c = (HttpConnection) Connector.open(url);
        is = c.openInputStream();

        len = c.getLength();
        if (len != -1) {
            // Read exactly Content-Length bytes
            for (int i = 0; i < len; i++)
                if ((ch = is.read()) != -1)
                    b.append((char) ch);
        } else {
            // Read till the connection is closed.
            while ((ch = is.read()) != -1) {
                len = is.available();
                b.append((char) ch);
            }
        }
        t = new TextBox("hello again....", b.toString(), 1024, 0);
    } finally {
        is.close();
        c.close();
    }

    display.setCurrent(t);
}

From source file:com.ikon.servlet.admin.RepositoryViewServlet.java

/**
 * Get properties from node//w  ww.j av  a 2  s. co  m
 */
private Collection<HashMap<String, String>> getProperties(Node node)
        throws ValueFormatException, RepositoryException {
    ArrayList<HashMap<String, String>> al = new ArrayList<HashMap<String, String>>();

    for (PropertyIterator pi = node.getProperties(); pi.hasNext();) {
        HashMap<String, String> hm = new HashMap<String, String>();
        Property p = pi.nextProperty();
        PropertyDefinition pd = p.getDefinition();

        hm.put("pName", p.getName());
        hm.put("pProtected", Boolean.toString(pd.isProtected()));
        hm.put("pMultiple", Boolean.toString(pd.isMultiple()));
        hm.put("pType", NODE_TYPE[pd.getRequiredType()]);

        if (pd.getRequiredType() == PropertyType.BINARY) {
            InputStream is = p.getStream();

            try {
                hm.put("pValue", "DATA: " + FormatUtil.formatSize(is.available()));
            } catch (IOException e) {
                e.printStackTrace();
            } finally {
                IOUtils.closeQuietly(is);
            }
        } else {
            if (pd.isMultiple()) {
                hm.put("pValue", toString(p.getValues(), "<br/>"));
            } else {
                if (p.getName().equals(Scripting.SCRIPT_CODE)) {
                    hm.put("pValue", p.getString());
                } else {
                    hm.put("pValue", p.getString());
                }
            }
        }

        al.add(hm);
    }

    // Add universal node id
    HashMap<String, String> hm = new HashMap<String, String>();
    hm.put("pName", "jcr:aid");
    hm.put("pProtected", Boolean.toString(true));
    hm.put("pMultiple", Boolean.toString(false));
    hm.put("pType", "VIRTUAL");
    hm.put("pValue", ((NodeImpl) node).getId().toString());
    al.add(hm);

    Collections.sort(al, new PropertyCmp());
    return al;
}

From source file:org.rapidandroid.activity.FormReviewer.java

private void doCsvDirectBednetsInjection() {
    String rawMessageText = "";

    try {//from   w  w  w  . j  a  va 2  s  .  com
        InputStream is = this.getAssets().open("testdata/rawdata.csv");

        int size = is.available();

        // Read the entire asset into a local byte buffer.
        byte[] buffer = new byte[size];
        is.read(buffer);
        is.close();

        // Convert the buffer into a Java string.
        String text = new String(buffer);

        rawMessageText = text;

    } catch (IOException e) {
        // Should never happen!
        throw new RuntimeException(e);
    }

    StringReader sr = new StringReader(rawMessageText);
    BufferedReader bufRdr = new BufferedReader(sr);

    String line = null;
    //      int row = 0;
    //      int col = 0;
    Vector<String[]> lines = new Vector<String[]>();
    // read each line of text file
    try {
        while ((line = bufRdr.readLine()) != null) {
            StringTokenizer st = new StringTokenizer(line, ",");
            int tokCount = st.countTokens();

            String[] tokenizedLine = new String[tokCount];
            int toki = 0;
            while (st.hasMoreTokens()) {
                tokenizedLine[toki] = st.nextToken();
                toki++;
            }
            lines.add(tokenizedLine);
        }
    } catch (IOException e) {
        // TODO Auto-generated catch block
        e.printStackTrace();
    } finally {

        try {
            sr.close();
            bufRdr.close();
        } catch (IOException e) {
            // TODO Auto-generated catch block
            e.printStackTrace();
        }
    }
    int len = lines.size();

    for (int i = 0; i < len; i++) {
        String[] csvline = lines.get(i);

        String datestr = csvline[0];

        Date dateval = new Date();
        try {
            dateval = Message.SQLDateFormatter.parse(datestr);
        } catch (ParseException e) {
            // TODO Auto-generated catch block
            e.printStackTrace();

        }
        String sender = csvline[1];
        String text = csvline[2];

        Monitor monitor = MessageTranslator.GetMonitorAndInsertIfNew(this, sender);

        ContentValues messageValues = new ContentValues();
        messageValues.put(RapidSmsDBConstants.Message.MESSAGE, text);
        messageValues.put(RapidSmsDBConstants.Message.MONITOR, monitor.getID());

        messageValues.put(RapidSmsDBConstants.Message.TIME, Message.SQLDateFormatter.format(dateval));
        messageValues.put(RapidSmsDBConstants.Message.RECEIVE_TIME, Message.SQLDateFormatter.format(dateval));
        messageValues.put(RapidSmsDBConstants.Message.IS_OUTGOING, false);

        Uri msgUri = null;

        msgUri = this.getContentResolver().insert(RapidSmsDBConstants.Message.CONTENT_URI, messageValues);
        Vector<IParseResult> results = ParsingService.ParseMessage(mForm, text);
        ParsedDataTranslator.InsertFormData(this, mForm,
                Integer.valueOf(msgUri.getPathSegments().get(1)).intValue(), results);
    }

}