Example usage for java.io ByteArrayOutputStream close

Introduction

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

Prototype

public void close() throws IOException 

Source Link

Document

Closing a ByteArrayOutputStream has no effect.

Usage

From source file:com.netsteadfast.greenstep.util.SimpleUtils.java

/**
 * Encode image to string// w w w. j  a  v  a2  s. c  om
 * @param image The image to encode
 * @param type jpeg, bmp, ...
 * @return encoded string
 */
public static String encodeToString(BufferedImage image, String type) {
    String imageString = null;
    ByteArrayOutputStream bos = new ByteArrayOutputStream();
    try {
        ImageIO.write(image, type, bos);
        byte[] imageBytes = bos.toByteArray();
        imageString = DatatypeConverter.printBase64Binary(imageBytes);
        bos.close();
    } catch (IOException e) {
        e.printStackTrace();
    }
    return imageString;
}

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From source file:com.stacksync.desktop.util.FileUtil.java

public static byte[] gzip(byte[] content) throws IOException {
    ByteArrayOutputStream byteArrayOutputStream = new ByteArrayOutputStream();

    GZIPOutputStream gzipOutputStream = new GZIPOutputStream(byteArrayOutputStream);
    gzipOutputStream.write(content);//w  w  w. java 2  s  .c om
    gzipOutputStream.close();

    byte[] result = byteArrayOutputStream.toByteArray();
    byteArrayOutputStream.close();

    return result;
}

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From source file:fr.gael.dhus.datastore.processing.ProcessingUtils.java

public static List<MetadataIndex> getIndexesFrom(URL url) {
    java.util.Collection<String> properties = null;
    DrbNode node = null;//from   w  ww .ja va2 s. c o  m
    DrbCortexItemClass cl = null;

    // Prepare the index structure.
    List<MetadataIndex> indexes = new ArrayList<MetadataIndex>();

    // Prepare the DRb node to be processed
    try {
        // First : force loading the model before accessing items.
        node = ProcessingUtils.getNodeFromPath(url.getPath());
        cl = ProcessingUtils.getClassFromNode(node);
        logger.info("Class \"" + cl.getLabel() + "\" for product " + node.getName());

        // Get all values of the metadata properties attached to the item
        // class or any of its super-classes
        properties = cl.listPropertyStrings(METADATA_NAMESPACE + PROPERTY_METADATA_EXTRACTOR, false);

        // Return immediately if no property value were found
        if (properties == null) {
            logger.warn("Item \"" + cl.getLabel() + "\" has no metadata defined.");
            return null;
        }
    } catch (IOException e) {
        throw new UnsupportedOperationException("Error While decoding drb node", e);
    }

    // Loop among retrieved property values
    for (String property : properties) {
        // Filter possible XML markup brackets that could have been encoded
        // in a CDATA section
        property = property.replaceAll("&lt;", "<");
        property = property.replaceAll("&gt;", ">");
        /*
         * property = property.replaceAll("\n", " "); // Replace eol by blank
         * space property = property.replaceAll(" +", " "); // Remove
         * contiguous blank spaces
         */

        // Create a query for the current metadata extractor
        Query metadataQuery = new Query(property);

        // Evaluate the XQuery
        DrbSequence metadataSequence = metadataQuery.evaluate(node);

        // Check that something results from the evaluation: jump to next
        // value otherwise
        if ((metadataSequence == null) || (metadataSequence.getLength() < 1)) {
            continue;
        }

        // Loop among results
        for (int iitem = 0; iitem < metadataSequence.getLength(); iitem++) {
            // Get current metadata node
            DrbNode n = (DrbNode) metadataSequence.getItem(iitem);

            // Get name
            DrbAttribute name_att = n.getAttribute("name");
            Value name_v = null;
            if (name_att != null)
                name_v = name_att.getValue();
            String name = null;
            if (name_v != null)
                name = name_v.convertTo(Value.STRING_ID).toString();

            // get type
            DrbAttribute type_att = n.getAttribute("type");
            Value type_v = null;
            if (type_att != null)
                type_v = type_att.getValue();
            else
                type_v = new fr.gael.drb.value.String(MIME_PLAIN_TEXT);
            String type = type_v.convertTo(Value.STRING_ID).toString();

            // get category
            DrbAttribute cat_att = n.getAttribute("category");
            Value cat_v = null;
            if (cat_att != null)
                cat_v = cat_att.getValue();
            else
                cat_v = new fr.gael.drb.value.String("product");
            String category = cat_v.convertTo(Value.STRING_ID).toString();

            // get category
            DrbAttribute qry_att = n.getAttribute("queryable");
            String queryable = null;
            if (qry_att != null) {
                Value qry_v = qry_att.getValue();
                if (qry_v != null)
                    queryable = qry_v.convertTo(Value.STRING_ID).toString();
            }

            // Get value
            String value = null;
            if (MIME_APPLICATION_GML.equals(type) && n.hasChild()) {
                ByteArrayOutputStream out = new ByteArrayOutputStream();
                XmlWriter.writeXML(n.getFirstChild(), out);
                value = out.toString();
                try {
                    out.close();
                } catch (IOException e) {
                    logger.warn("Cannot close stream !", e);
                }
            } else
            // Case of "text/plain"
            {
                Value value_v = n.getValue();
                if (value_v != null) {
                    value = value_v.convertTo(Value.STRING_ID).toString();
                    value = value.trim();
                }
            }

            if ((name != null) && (value != null)) {
                MetadataIndex index = new MetadataIndex();
                index.setName(name);
                try {
                    index.setType(new MimeType(type).toString());
                } catch (MimeTypeParseException e) {
                    logger.warn("Wrong metatdata extractor mime type in class \"" + cl.getLabel()
                            + "\" for metadata called \"" + name + "\".", e);
                }
                index.setCategory(category);
                index.setValue(value);
                index.setQueryable(queryable);
                indexes.add(index);
            } else {
                String field_name = "";
                if (name != null)
                    field_name = name;
                else if (queryable != null)
                    field_name = queryable;
                else if (category != null)
                    field_name = "of category " + category;

                logger.warn("Nothing extracted for field " + field_name);
            }
        }
    }
    return indexes;
}

---

From source file:com.iStudy.Study.Renren.Util.java

public static byte[] getBytes(String url, Bundle params) {
    try {// w ww . j  ava  2  s. c  o  m
        HttpURLConnection conn = openConn(url, "post", params);
        ByteArrayOutputStream os = new ByteArrayOutputStream();
        byte[] buf = new byte[1024];
        InputStream is = conn.getInputStream();
        for (int i = 0; (i = is.read(buf)) > 0;) {
            os.write(buf, 0, i);
        }
        is.close();
        os.close();
        return os.toByteArray();
    } catch (Exception e) {
        Log.e(LOG_TAG, e.getMessage());
        throw new RuntimeException(e.getMessage(), e);
    }
}

---

From source file:com.nloko.android.Utils.java

public static byte[] getByteArrayFromInputStream(InputStream is) {
    if (is == null) {
        throw new IllegalArgumentException("is");
    }//from www  . ja v  a 2s .c om

    int size = 8192;
    int read = 0;
    ByteArrayOutputStream bytes = new ByteArrayOutputStream(size);
    byte[] buffer = new byte[size];
    byte[] array = null;

    try {
        while ((read = is.read(buffer, 0, buffer.length)) > 0) {
            bytes.write(buffer, 0, read);
        }
    } catch (IOException ex) {
        return null;
    } finally {
        try {
            if (bytes != null) {
                array = bytes.toByteArray();
                bytes.close();
            }
        } catch (IOException e) {
        }
    }

    return array;
}

---

From source file:es.sm2.openppm.core.plugin.action.GenericAction.java

/**
 *
 * @param files/*from  www .j  av a2 s.  com*/
 * @return
 * @throws IOException
 */
public static byte[] zipFiles(List<File> files) throws IOException {

    ByteArrayOutputStream baos = new ByteArrayOutputStream();
    ZipOutputStream zos = new ZipOutputStream(baos);

    for (File f : files) {

        zos.putNextEntry(new ZipEntry(f.getName()));

        zos.write(getBytesFromFile(f.getAbsoluteFile()));

        zos.closeEntry();
    }

    zos.flush();
    baos.flush();
    zos.close();
    baos.close();

    return baos.toByteArray();
}

---

From source file:com.ah.ui.actions.config.OnBoardUISettingAction.java

public static byte[] file2ByteArray(File inFile) {
    byte[] ret = null;
    InputStream in = null;//from  ww w  .  ja  v  a2s. co  m
    try {
        in = new FileInputStream(inFile);

        byte[] buffer = new byte[1024];
        ByteArrayOutputStream out = new ByteArrayOutputStream();
        int readSize = 0;
        try {
            while ((readSize = in.read(buffer)) >= 0) {
                out.write(buffer, 0, readSize);
            }
            ret = out.toByteArray();
        } catch (IOException e) {
            logger.error(e.getMessage());
        } finally {
            try {
                in.close();
            } catch (IOException e) {
                logger.error(e.getMessage());
            }
            try {
                out.close();
            } catch (IOException e) {
                logger.error(e.getMessage());
            }
        }
    } catch (FileNotFoundException e) {
        logger.error(e.getMessage());
    }
    return ret;
}

---

From source file:net.naijatek.myalumni.util.utilities.FileUtil.java

public static byte[] getBytes(final InputStream inputStream) throws IOException {
    ByteArrayOutputStream byteArrayOutputStream = new ByteArrayOutputStream(1024);
    byte[] block = new byte[512];
    while (true) {
        int readLength = inputStream.read(block);
        if (readLength == -1) {
            break; // end of file
        }/*ww  w.  j a v a  2s . c om*/
        byteArrayOutputStream.write(block, 0, readLength);
    }
    byte[] retValue = byteArrayOutputStream.toByteArray();
    byteArrayOutputStream.close();
    return retValue;
}

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From source file:outfox.dict.contest.util.FileUtils.java

/**
 * ??/*w w  w  . java2 s.  c o  m*/
 * @param downloadUrl
 * @return
 */
public static byte[] getbytesFromURL(String downloadUrl) {
    HttpURLConnection httpUrl = null;
    ByteArrayOutputStream out = null;
    byte[] byteArray = null;
    InputStream in = null;
    try {
        // 
        URL url = new URL(downloadUrl);
        httpUrl = (HttpURLConnection) url.openConnection();
        // ?
        httpUrl.connect();
        // ??
        in = httpUrl.getInputStream();

        out = new ByteArrayOutputStream();
        byte[] b = new byte[4096];
        int n;
        while ((n = in.read(b)) != -1) {
            out.write(b, 0, n);
        }
        byteArray = out.toByteArray();
        in.close();
        out.close();
        httpUrl.disconnect();
    } catch (Exception e) {
        LOG.error("FileUtils.getBytesFromURL error...", e);
    }
    return byteArray;
}

---

From source file:ZipUtil.java

/**
 * Inflates a previously deflated file.//from   w  w w.  j a v a  2  s . c  om
 */
public static byte[] unzipByteArray(byte[] file) throws IOException {
    byte[] byReturn = null;

    Inflater oInflate = new Inflater(false);
    oInflate.setInput(file);

    ByteArrayOutputStream oZipStream = new ByteArrayOutputStream();
    try {
        while (!oInflate.finished()) {
            byte[] byRead = new byte[ZIP_BUFFER_SIZE];
            int iBytesRead = oInflate.inflate(byRead);
            if (iBytesRead == byRead.length) {
                oZipStream.write(byRead);
            } else {
                oZipStream.write(byRead, 0, iBytesRead);
            }
        }
        byReturn = oZipStream.toByteArray();
    } catch (DataFormatException ex) {
        throw new IOException("Attempting to unzip file that is not zipped.");
    } finally {
        oZipStream.close();
    }
    return byReturn;
}

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