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:com.wooki.test.unit.ConversionsTest.java

@Test(enabled = true)
public void docbookConversion() {
    String result = "<book>     <bookinfo>       <title>An Example Book</title>              <author>         <firstname>Your first name</firstname>         <surname>Your surname</surname>         <affiliation>           <address><email>foo@example.com</email></address>         </affiliation>       </author>          <copyright>         <year>2000</year>         <holder>Copyright string here</holder>       </copyright>          <abstract>         <para>If your book has an abstract then it should go here.</para>       </abstract>     </bookinfo>        <preface>       <title>Preface</title>          <para>Your book may have a preface, in which case it should be placed         here.</para>     </preface>              <chapter>       <title>My First Chapter</title>          <para>This is the first chapter in my book.</para>          <sect1>         <title>My First Section</title>            <para>This is the first section in my book.</para>       </sect1>     </chapter>   </book>";
    Resource resource = new ByteArrayResource(result.getBytes());
    InputStream xhtml = fromDocbookConvertor.performTransformation(resource);
    File htmlFile = null;//from  www  .j ava  2  s  .  c  o  m
    try {
        htmlFile = File.createTempFile("wooki", ".html");
        FileOutputStream fos = new FileOutputStream(htmlFile);
        logger.debug("HTML File is " + htmlFile.getAbsolutePath());
        byte[] content = null;
        int available = 0;
        while ((available = xhtml.available()) > 0) {
            content = new byte[available];
            xhtml.read(content);
            fos.write(content);
        }
        fos.flush();
        fos.close();
    } catch (IOException e) {
        e.printStackTrace();
        logger.error(e.getLocalizedMessage());
        return;
    }
    logger.debug("Docbook to xhtml ok");
    SAXParserFactory factory = SAXParserFactory.newInstance();

    // cration d'un parseur SAX
    SAXParser parser;
    try {
        parser = factory.newSAXParser();
        parser.parse(new InputSource(new FileInputStream(htmlFile)), htmlParser);
    } catch (ParserConfigurationException e) {
        e.printStackTrace();
        logger.error(e.getLocalizedMessage());
    } catch (SAXException e) {
        e.printStackTrace();
        logger.error(e.getLocalizedMessage());
    } catch (IOException e) {
        e.printStackTrace();
        logger.error(e.getLocalizedMessage());
    }

    Book book = htmlParser.getBook();
    logger.debug("The book title is " + book.getTitle());

}

From source file:com.wooki.test.unit.ConversionsTest.java

@Test(enabled = true)
public void testAptConversion() {
    String result = "   ------\n            Title\n            ------\n            Author\n            ------\n             Date\n\n  Paragraph 1, line 1.\n  Paragraph 1, line 2.\n\n  Paragraph 2, line 1.\n  Paragraph 2, line 2.\n\nSection title\n\n* Sub-section title\n\n** Sub-sub-section title\n\n*** Sub-sub-sub-section title\n\n**** Sub-sub-sub-sub-section title\n\n      * List item 1.\n\n      * List item 2.\n\n        Paragraph contained in list item 2.\n\n            * Sub-list item 1.\n\n            * Sub-list item 2.\n\n      * List item 3.\n        Force end of list:\n\n      []\n\n+------------------------------------------+\nVerbatim text not contained in list item 3\n+------------------------------------------+\n\n      [[1]] Numbered item 1.\n\n                [[A]] Numbered item A.\n\n                [[B]] Numbered item B.\n\n      [[2]] Numbered item 2.\n\n  List numbering schemes: [[1]], [[a]], [[A]], [[i]], [[I]].\n\n      [Defined term 1] of definition list.\n\n      [Defined term 2] of definition list.\n\n+-------------------------------+\nVerbatim text\n                        in a box\n+-------------------------------+\n\n  --- instead of +-- suppresses the box around verbatim text.\n\n[Figure name] Figure caption\n\n*----------*--------------+----------------:\n| Centered | Left-aligned | Right-aligned  |\n| cell 1,1 | cell 1,2     | cell 1,3       |\n*----------*--------------+----------------:\n| cell 2,1 | cell 2,2     | cell 2,3       |\n*----------*--------------+----------------:\nTable caption\n\n  No grid, no caption:\n\n*-----*------*\n cell | cell\n*-----*------*\n cell | cell\n*-----*------*\n\n  Horizontal line:\n\n=======================================================================\n\n^L\n  New page.\n\n  <Italic> font. <<Bold>> font. <<<Monospaced>>> font.\n\n  {Anchor}. Link to {{anchor}}. Link to {{http://www.pixware.fr}}.\n  Link to {{{anchor}showing alternate text}}.\n  Link to {{{http://www.pixware.fr}Pixware home page}}.\n\n  Force line\\\n  break.\n\n  Non\\ breaking\\ space.\n\n  Escaped special characters: \\~, \\=, \\-, \\+, \\*, \\[, \\], \\<, \\>, \\{, \\}, \\\\.\n\n  Copyright symbol: \\251, \\xA9, \\u00a9.\n\n~~Commented out.";
    File aptFile = null;/*www . j  a v  a2  s.  c o m*/
    String from = "apt";
    File out = null;

    try {
        out = File.createTempFile("fromAptToXHTML", ".html");
        InputStream apt = new ByteArrayInputStream(result.getBytes());
        try {
            aptFile = File.createTempFile("wooki", ".apt");
            FileOutputStream fos = new FileOutputStream(aptFile);
            logger.debug("APT File is " + aptFile.getAbsolutePath());
            byte[] content = null;
            int available = 0;
            while ((available = apt.available()) > 0) {
                content = new byte[available];
                apt.read(content);
                fos.write(content);
            }
            fos.flush();
            fos.close();
        } catch (IOException e) {
            // TODO Auto-generated catch block
            e.printStackTrace();
        }
        String to = "xhtml";
        Converter converter = new DefaultConverter();
        InputFileWrapper input = InputFileWrapper.valueOf(aptFile.getAbsolutePath(), from, "ISO-8859-1",
                converter.getInputFormats());

        OutputFileWrapper output = OutputFileWrapper.valueOf(out.getAbsolutePath(), to, "UTF-8",
                converter.getOutputFormats());

        converter.convert(input, output);
    } catch (UnsupportedFormatException e) {
        e.printStackTrace();
    } catch (ConverterException e) {
        e.printStackTrace();
    } catch (IOException e1) {
        // TODO Auto-generated catch block
        e1.printStackTrace();
    }
    InputStream newHTML = fromAptToDocbook.performTransformation(new FileSystemResource(out));
    SAXParserFactory factory = SAXParserFactory.newInstance();

    // cration d'un parseur SAX
    SAXParser parser;
    try {
        parser = factory.newSAXParser();
        parser.parse(new InputSource(newHTML), htmlParser);
    } catch (ParserConfigurationException e) {
        e.printStackTrace();
        logger.error(e.getLocalizedMessage());
    } catch (SAXException e) {
        e.printStackTrace();
        logger.error(e.getLocalizedMessage());
    } catch (IOException e) {
        e.printStackTrace();
        logger.error(e.getLocalizedMessage());
    }

    Book book = htmlParser.getBook();
    logger.debug("The book title is " + book.getTitle());
}

From source file:com.wooki.test.unit.ConversionsTest.java

@Test(enabled = true)
public void testAPTConversion() {
    String result = /*
                     * generator .adaptContent(
                     */"<h2>SubTitle</h2><p>Lorem ipsum</p><h3>SubTitle2</h3><p>Lorem ipsum</p>"/* ) */;

    Resource resource = new ByteArrayResource(result.getBytes());
    InputStream xhtml = toXHTMLConvertor.performTransformation(resource);
    logger.debug("Document to xhtml ok");
    InputStream apt = toAPTConvertor.performTransformation(new InputStreamResource(xhtml));
    logger.debug("xhtml to apt ok");
    File aptFile;//from ww w.j a v a 2s.  co m
    try {
        aptFile = File.createTempFile("wooki", ".apt");
        FileOutputStream fos = new FileOutputStream(aptFile);
        logger.debug("APT File is " + aptFile.getAbsolutePath());
        byte[] content = null;
        int available = 0;
        while ((available = apt.available()) > 0) {
            content = new byte[available];
            apt.read(content);
            fos.write(content);
        }
        fos.flush();
        fos.close();
    } catch (IOException e) {
        // TODO Auto-generated catch block
        e.printStackTrace();
    }
}

From source file:org.apache.cxf.transport.http.asyncclient.SharedOutputBuffer.java

public int copy(InputStream in) throws IOException {
    this.lock.lock();
    int total = 0;
    try {/*from   w  w  w .j a v  a2s. c  o m*/
        if (this.shutdown || this.endOfStream) {
            throw new IllegalStateException("Buffer already closed for writing");
        }
        setInputMode();
        int i = 0;
        boolean yielded = false;
        while (i != -1) {
            if (!this.buffer.hasRemaining()) {
                flushContent();
                setInputMode();
            }
            i = in.available();
            if (i == 0 && !yielded) {
                //nothing avail right now, we'll attempt an
                //output, but not really force a flush.
                if (buffer.position() != 0 && this.ioctrl != null) {
                    this.ioctrl.requestOutput();
                }
                try {
                    condition.awaitNanos(1);
                } catch (InterruptedException e) {
                    //ignore
                }
                setInputMode();
                yielded = true;
            } else {
                int p = this.buffer.position();
                i = in.read(this.buffer.array(), this.buffer.position(), this.buffer.remaining());
                yielded = false;
                if (i != -1) {
                    total += i;
                    buffer.position(p + i);
                }
                /*
                System.out.println("p: " + p + "  " + i + " " + this.buffer.position() 
                               + " " + this.buffer.hasRemaining());
                               */
            }
        }
    } finally {
        this.lock.unlock();
    }
    return total;
}

From source file:com.wooki.test.unit.ConversionsTest.java

@Test(enabled = true)
public void testLatexConversion() {
    String result = /*
                     * generator .adaptContent(
                     */"<h2>SubTitle</h2><p>Lorem ipsum</p><h3>SubTitle2</h3><p>Lorem ipsum</p>"/* ) */;

    Resource resource = new ByteArrayResource(result.getBytes());

    /** Generate Latex */
    InputStream xhtml = toXHTMLConvertor.performTransformation(resource);
    InputStream improvedXhtml = toImprovedXHTML4LatexConvertor
            .performTransformation(new InputStreamResource(xhtml));
    InputStream latex = toLatexConvertor.performTransformation(new InputStreamResource(improvedXhtml));
    logger.debug("xhtml to apt ok");
    File latexFile;//from  w w w .j  a v  a2  s. co m
    try {
        latexFile = File.createTempFile("wooki", ".latex");
        FileOutputStream fos = new FileOutputStream(latexFile);
        logger.debug("latex File is " + latexFile.getAbsolutePath());
        byte[] content = null;
        int available = 0;
        while ((available = latex.available()) > 0) {
            content = new byte[available];
            latex.read(content);
            fos.write(content);
        }
        fos.flush();
        fos.close();
    } catch (IOException e) {
        // TODO Auto-generated catch block
        e.printStackTrace();
    }
}

From source file:org.wso2.carbon.ml.rest.api.ModelApiV10.java

/**
 * Predict using a file and return as a list of predicted values.
 * @param modelId Unique id of the model
 * @param dataFormat Data format of the file (CSV or TSV)
 * @param inputStream File input stream generated from the file used for predictions
 * @return JSON array of predictions//from  w w  w  .  ja v a  2s .c  o m
 */
@POST
@Path("/predict")
@Produces(MediaType.APPLICATION_JSON)
@Consumes(MediaType.MULTIPART_FORM_DATA)
public Response predict(@Multipart("modelId") long modelId, @Multipart("dataFormat") String dataFormat,
        @Multipart("file") InputStream inputStream) {
    PrivilegedCarbonContext carbonContext = PrivilegedCarbonContext.getThreadLocalCarbonContext();
    int tenantId = carbonContext.getTenantId();
    String userName = carbonContext.getUsername();
    try {
        // validate input parameters
        // if it is a file upload, check whether the file is sent
        if (inputStream == null || inputStream.available() == 0) {
            String msg = String.format(
                    "Error occurred while reading the file for model [id] %s of tenant [id] %s and [user] %s .",
                    modelId, tenantId, userName);
            logger.error(msg);
            return Response.status(Response.Status.INTERNAL_SERVER_ERROR).entity(new MLErrorBean(msg)).build();
        }
        List<?> predictions = mlModelHandler.predict(tenantId, userName, modelId, dataFormat, inputStream);
        return Response.ok(predictions).build();
    } catch (IOException e) {
        String msg = MLUtils.getErrorMsg(String.format(
                "Error occurred while reading the file for model [id] %s of tenant [id] %s and [user] %s.",
                modelId, tenantId, userName), e);
        logger.error(msg, e);
        return Response.status(Response.Status.BAD_REQUEST).entity(new MLErrorBean(e.getMessage())).build();
    } catch (MLModelHandlerException e) {
        String msg = MLUtils.getErrorMsg(String.format(
                "Error occurred while predicting from model [id] %s of tenant [id] %s and [user] %s.", modelId,
                tenantId, userName), e);
        logger.error(msg, e);
        return Response.status(Response.Status.INTERNAL_SERVER_ERROR).entity(new MLErrorBean(e.getMessage()))
                .build();
    }
}

From source file:org.wso2.carbon.ml.rest.api.ModelApiV10.java

/**
 * Predict using a file and return predictions as a CSV.
 * @param modelId Unique id of the model
 * @param dataFormat Data format of the file (CSV or TSV)
 * @param columnHeader Whether the file contains the column header as the first row (YES or NO)
 * @param inputStream Input stream generated from the file used for predictions
 * @return A file as a {@link javax.ws.rs.core.StreamingOutput}
 *//*from w  ww . j av  a2  s . com*/
@POST
@Path("/predictionStreams")
@Produces(MediaType.APPLICATION_OCTET_STREAM)
@Consumes(MediaType.MULTIPART_FORM_DATA)
public Response streamingPredict(@Multipart("modelId") long modelId, @Multipart("dataFormat") String dataFormat,
        @Multipart("columnHeader") String columnHeader, @Multipart("file") InputStream inputStream) {
    PrivilegedCarbonContext carbonContext = PrivilegedCarbonContext.getThreadLocalCarbonContext();
    int tenantId = carbonContext.getTenantId();
    String userName = carbonContext.getUsername();
    try {
        // validate input parameters
        // if it is a file upload, check whether the file is sent
        if (inputStream == null || inputStream.available() == 0) {
            String msg = String.format(
                    "Error occurred while reading the file for model [id] %s of tenant [id] %s and [user] %s .",
                    modelId, tenantId, userName);
            logger.error(msg);
            return Response.status(Response.Status.BAD_REQUEST).entity(new MLErrorBean(msg)).build();
        }
        final String predictions = mlModelHandler.streamingPredict(tenantId, userName, modelId, dataFormat,
                columnHeader, inputStream);
        StreamingOutput stream = new StreamingOutput() {
            @Override
            public void write(OutputStream outputStream) throws IOException {
                Writer writer = new BufferedWriter(
                        new OutputStreamWriter(outputStream, StandardCharsets.UTF_8));
                writer.write(predictions);
                writer.flush();
                writer.close();
            }
        };
        return Response.ok(stream).header("Content-disposition",
                "attachment; filename=Predictions_" + modelId + "_" + MLUtils.getDate() + MLConstants.CSV)
                .build();
    } catch (IOException e) {
        String msg = MLUtils.getErrorMsg(String.format(
                "Error occurred while reading the file for model [id] %s of tenant [id] %s and [user] %s.",
                modelId, tenantId, userName), e);
        logger.error(msg, e);
        return Response.status(Response.Status.BAD_REQUEST).entity(new MLErrorBean(e.getMessage())).build();
    } catch (MLModelHandlerException e) {
        String msg = MLUtils.getErrorMsg(String.format(
                "Error occurred while predicting from model [id] %s of tenant [id] %s and [user] %s.", modelId,
                tenantId, userName), e);
        logger.error(msg, e);
        return Response.status(Response.Status.INTERNAL_SERVER_ERROR).entity(new MLErrorBean(e.getMessage()))
                .build();
    }
}

From source file:com.farmerbb.notepad.activity.MainActivity.java

private boolean importNote(Uri uri) {
    try {/*from   w  ww . jav  a 2s . com*/
        File importedFile = new File(getFilesDir(), Long.toString(System.currentTimeMillis()));
        long suffix = 0;

        // Handle cases where a note may have a duplicate title
        while (importedFile.exists()) {
            suffix++;
            importedFile = new File(getFilesDir(), Long.toString(System.currentTimeMillis() + suffix));
        }

        InputStream is = getContentResolver().openInputStream(uri);
        byte[] data = new byte[is.available()];

        if (data.length > 0) {
            OutputStream os = new FileOutputStream(importedFile);
            is.read(data);
            os.write(data);
            is.close();
            os.close();
        }

        return true;
    } catch (IOException e) {
        return false;
    }
}

From source file:edu.hackathon.perseus.core.httpSpeedTest.java

private double doUpload(String phpFile, InputStream uploadFileIs, String fileName) {
    URLConnection conn = null;/*from   w w  w .  j a va2s  . co  m*/
    OutputStream os = null;
    InputStream is = null;
    double bw = 0.0;

    try {
        String response = "";
        Date oldTime = new Date();
        URL url = new URL(amazonDomain + "/" + phpFile);
        String boundary = "---------------------------4664151417711";
        conn = url.openConnection();
        conn.setDoOutput(true);
        conn.setConnectTimeout(5000);
        conn.setReadTimeout(5000);

        byte[] fileData = new byte[uploadFileIs.available()];
        uploadFileIs.read(fileData);
        uploadFileIs.close();

        String message1 = "--" + boundary + CrLf;
        message1 += "Content-Disposition: form-data;";
        message1 += "name=\"uploadedfile\"; filename=\"" + fileName + "\"" + CrLf;
        message1 += "Content-Type: text/plain; charset=UTF-8" + CrLf + CrLf;

        // the file is sent between the messages in the multipart message.
        String message2 = CrLf + "--" + boundary + "--" + CrLf;

        conn.setRequestProperty("Content-Type", "multipart/form-data; boundary=" + boundary);

        int contentLenght = message1.length() + message2.length() + fileData.length;

        // might not need to specify the content-length when sending chunked data.
        conn.setRequestProperty("Content-Length", String.valueOf(contentLenght));

        os = conn.getOutputStream();

        os.write(message1.getBytes());

        // SEND THE IMAGE
        int index = 0;
        int size = 1024;
        do {
            if ((index + size) > fileData.length) {
                size = fileData.length - index;
            }
            os.write(fileData, index, size);
            index += size;
        } while (index < fileData.length);

        os.write(message2.getBytes());
        os.flush();

        is = conn.getInputStream();

        char buff = 512;
        int len;
        byte[] data = new byte[buff];
        do {
            len = is.read(data);

            if (len > 0) {
                response += new String(data, 0, len);
            }
        } while (len > 0);

        if (response.equals("200")) {
            Date newTime = new Date();
            double milliseconds = newTime.getTime() - oldTime.getTime();
            bw = ((double) contentLenght * 8) / (milliseconds * (double) 1000);
        }
    } catch (Exception e) {
        System.out.println("Exception is fired in upload test. error:" + e.getMessage());
    } finally {
        try {
            os.close();
        } catch (Exception e) {
            //System.out.println("Exception is fired in os.close. error:" + e.getMessage());
        }
        try {
            is.close();
        } catch (Exception e) {
            //System.out.println("Exception is fired in is.close. error:" + e.getMessage());
        }
    }
    return bw;
}

From source file:com.esofthead.mycollab.module.file.servlet.UserAvatarHttpServletRequestHandler.java

@Override
protected void onHandleRequest(HttpServletRequest request, HttpServletResponse response)
        throws ServletException, IOException {
    if (!StorageFactory.getInstance().isFileStorage()) {
        throw new MyCollabException("This servlet support file system setting only");
    }//  ww  w.  j  a v a 2  s.  c  o m

    String path = request.getPathInfo();

    if (path != null) {
        path = FilenameUtils.getBaseName(path);
        int lastIndex = path.lastIndexOf("_");
        if (lastIndex > 0) {
            String username = path.substring(0, lastIndex);
            int size = Integer.valueOf(path.substring(lastIndex + 1, path.length()));
            FileStorage fileStorage = (FileStorage) StorageFactory.getInstance();
            File avatarFile = fileStorage.getAvatarFile(username, size);
            InputStream avatarInputStream;
            if (avatarFile != null) {
                avatarInputStream = new FileInputStream(avatarFile);
            } else {
                String userAvatarPath = String.format("assets/icons/default_user_avatar_%d.png", size);
                avatarInputStream = UserAvatarHttpServletRequestHandler.class.getClassLoader()
                        .getResourceAsStream(userAvatarPath);
                if (avatarInputStream == null) {
                    LOG.error("Error to get avatar",
                            new MyCollabException("Invalid request for avatar " + path));
                    return;
                }
            }

            response.setHeader("Content-Type", "image/png");
            response.setHeader("Content-Length", String.valueOf(avatarInputStream.available()));

            try (BufferedInputStream input = new BufferedInputStream(avatarInputStream);
                    BufferedOutputStream output = new BufferedOutputStream(response.getOutputStream())) {
                byte[] buffer = new byte[8192];
                int length;
                while ((length = input.read(buffer)) > 0) {
                    output.write(buffer, 0, length);
                }
            }
        } else {
            LOG.error("Invalid path " + path);
        }
    }
}