Example usage for java.io ByteArrayOutputStream size

Introduction

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

Prototype

public synchronized int size() 

Source Link

Document

Returns the current size of the buffer.

Usage

From source file:org.dataconservancy.packaging.tool.ser.JenaModelSerializerTest.java

/**
 * Insures that serialization with a null language doesn't throw an exception
 *
 * @throws Exception/*from w w  w  .ja  va  2 s.  c  o m*/
 */
@Test
public void testSerializeNullLang() throws Exception {
    //        File out = File.createTempFile("JenaModelSerializerTest", ".out");
    ByteArrayOutputStream out = new ByteArrayOutputStream();

    // Create a simple model to serialize
    Model m = ModelFactory.createDefaultModel();
    m.add(m.createStatement(m.createResource(IPM_NS + "subject"), m.createProperty(IPM_NS, "predicate"),
            m.createResource(IPM_NS + "object")));

    // Set a base URI
    underTest.setBase(IPM_NS);
    // Set a null language
    assertNull(underTest.getLang());

    // Perform the test
    underTest.marshalOutputStream(m, out);

    // Assert that we have some output
    assertTrue(out.size() > 1);
}

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From source file:org.dataconservancy.packaging.tool.ser.JenaModelSerializerTest.java

/**
 * Insures that serialization with a null base URI doesn't throw an exception
 *
 * @throws Exception//from   w  ww  .  jav  a 2s  . c  om
 */
@Test
public void testSerializeNullBase() throws Exception {
    //        File out = File.createTempFile("JenaModelSerializerTest", ".out");
    ByteArrayOutputStream out = new ByteArrayOutputStream();

    // Create a simple model to serialize
    Model m = ModelFactory.createDefaultModel();
    m.add(m.createStatement(m.createResource(IPM_NS + "subject"), m.createProperty(IPM_NS, "predicate"),
            m.createResource(IPM_NS + "object")));

    // Set a null base URI
    assertNull(underTest.getBase());
    // Set a language
    underTest.setLang("RDF/XML");

    // Perform the test
    underTest.marshalOutputStream(m, out);

    // Assert that we have some output
    assertTrue(out.size() > 1);
}

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From source file:caarray.client.test.grid.GridApiFacade.java

public Integer copyFileContentsUtils(String api, List<CaArrayEntityReference> fileReferences,
        boolean compressed) throws Exception {
    if (fileReferences.isEmpty())
        return 0;

    int total = 0;
    for (int i = 0; i < fileReferences.size(); i++) {
        ByteArrayOutputStream stream = new ByteArrayOutputStream();

        dataApiUtils.copyFileContentsToOutputStream(fileReferences.get(i), compressed, stream);
        total += stream.size();
    }/*from w w w .  j a v a  2s.com*/
    return total;
}

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From source file:org.dataconservancy.packaging.tool.ser.JenaModelSerializerTest.java

/**
 * Insures serialization with a null language and null base URI doesn't throw an exception.
 *
 * @throws Exception/*  ww  w. ja v a2s .c  o m*/
 */
@Test
public void testSerializeNullLangAndNullBase() throws Exception {
    //        File out = File.createTempFile("JenaModelSerializerTest", ".out");
    ByteArrayOutputStream out = new ByteArrayOutputStream();

    // Create a simple model to serialize
    Model m = ModelFactory.createDefaultModel();
    m.add(m.createStatement(m.createResource(IPM_NS + "subject"), m.createProperty(IPM_NS, "predicate"),
            m.createResource(IPM_NS + "object")));

    // Set a null base URI
    assertNull(underTest.getBase());
    // Set a null language
    assertNull(underTest.getLang());

    // Perform the test
    underTest.marshalOutputStream(m, out);

    // Assert that we have some output
    assertTrue(out.size() > 1);
}

---

From source file:org.kuali.kfs.kns.util.WebUtils.java

/**
 * A file that is not of type text/plain or text/html can be output through
 * the response using this method.//from  ww  w. jav  a 2s.co  m
 *
 * @param response
 * @param contentType
 * @param byteArrayOutputStream
 * @param fileName
 */
public static void saveMimeOutputStreamAsFile(HttpServletResponse response, String contentType,
        ByteArrayOutputStream byteArrayOutputStream, String fileName) throws IOException {
    // If there are quotes in the name, we should replace them to avoid issues.
    // The filename will be wrapped with quotes below when it is set in the header
    String updateFileName;
    if (fileName.contains("\"")) {
        updateFileName = fileName.replaceAll("\"", "");
    } else {
        updateFileName = fileName;
    }

    // set response
    response.setContentType(contentType);
    response.setHeader("Content-disposition", "attachment; filename=\"" + updateFileName + "\"");
    response.setHeader("Expires", "0");
    response.setHeader("Cache-Control", "must-revalidate, post-check=0, pre-check=0");
    response.setHeader("Pragma", "public");
    response.setContentLength(byteArrayOutputStream.size());

    // write to output
    OutputStream outputStream = response.getOutputStream();
    byteArrayOutputStream.writeTo(response.getOutputStream());
    outputStream.flush();
    outputStream.close();
}

---

From source file:org.kuali.rice.kns.util.WebUtils.java

/**
 * A file that is not of type text/plain or text/html can be output through
 * the response using this method./*from   w  w w  . j  a v a2s. c  o m*/
 * 
 * @param response
 * @param contentType
 * @param byteArrayOutputStream
 * @param fileName
 */
public static void saveMimeOutputStreamAsFile(HttpServletResponse response, String contentType,
        ByteArrayOutputStream byteArrayOutputStream, String fileName) throws IOException {

    // If there are quotes in the name, we should replace them to avoid issues.
    // The filename will be wrapped with quotes below when it is set in the header
    String updateFileName;
    if (fileName.contains("\"")) {
        updateFileName = fileName.replaceAll("\"", "");
    } else {
        updateFileName = fileName;
    }

    // set response
    response.setContentType(contentType);
    response.setHeader("Content-disposition", "attachment; filename=\"" + updateFileName + "\"");
    response.setHeader("Expires", "0");
    response.setHeader("Cache-Control", "must-revalidate, post-check=0, pre-check=0");
    response.setHeader("Pragma", "public");
    response.setContentLength(byteArrayOutputStream.size());

    // write to output
    OutputStream outputStream = response.getOutputStream();
    byteArrayOutputStream.writeTo(response.getOutputStream());
    outputStream.flush();
    outputStream.close();
}

---

From source file:com.akamai.edgegrid.auth.EdgeGridV1Signer.java

/**
 * Get the SHA-256 hash of the POST body.
 * /*from w w w .  ja v a  2  s. c  om*/
 * @param request the request.
 * @return the canonicalized data, and the possibly updated request.
 * @throws RequestSigningException
 */
protected CanonicalizerHelper getContentHash(HttpRequest request) throws RequestSigningException {
    String data = "";
    HttpRequest updatedRequest = request;

    // only do hash for POSTs for this version
    if ("POST".equalsIgnoreCase(request.getRequestMethod())) {

        HttpContent content = request.getContent();
        if (content != null) {
            try {
                ByteArrayOutputStream bos = new ByteArrayOutputStream();
                content.writeTo(bos);

                byte[] contentBytes = bos.toByteArray();

                int lengthToHash = bos.size();
                if (lengthToHash > maxBodySize) {
                    LOGGER.warn(String.format(
                            "Message body length '%d' is larger than the max '%d'. "
                                    + "Using '%d' bytes for computing the hash.",
                            lengthToHash, maxBodySize, maxBodySize));
                    lengthToHash = maxBodySize;
                } else {
                    if (LOGGER.isDebugEnabled()) {
                        LOGGER.debug(String.format("Content: %s", Base64.encodeBase64String(contentBytes)));
                    }
                }

                byte[] digestBytes = getHash(contentBytes, 0, lengthToHash);

                if (LOGGER.isDebugEnabled()) {
                    LOGGER.debug(String.format("Content hash: %s", Base64.encodeBase64String(digestBytes)));
                }

                // for non-retryable content, reset the content for downstream handlers
                if (!content.retrySupported()) {
                    HttpContent newContent = new ByteArrayContent(content.getType(), contentBytes);
                    updatedRequest = request.setContent(newContent);
                }

                data = Base64.encodeBase64String(digestBytes);
            } catch (IOException ioe) {
                throw new RequestSigningException("Failed to get content hash: failed to read content", ioe);
            }
        }
    }

    return new CanonicalizerHelper(data, updatedRequest);
}

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From source file:com.xpn.xwiki.plugin.image.ImagePlugin.java

/**
 * Reduces the size (i.e. the number of bytes) of an image by scaling its width and height and by reducing its
 * compression quality. This helps decreasing the time needed to download the image attachment.
 * //from   w w  w. ja v  a2  s.c om
 * @param attachment the image to be shrunk
 * @param requestedWidth the desired image width; this value is taken into account only if it is greater than zero
 *            and less than the current image width
 * @param requestedHeight the desired image height; this value is taken into account only if it is greater than zero
 *            and less than the current image height
 * @param keepAspectRatio {@code true} to preserve the image aspect ratio even when both requested dimensions are
 *            properly specified (in this case the image will be resized to best fit the rectangle with the
 *            requested width and height), {@code false} otherwise
 * @param requestedQuality the desired compression quality
 * @param context the XWiki context
 * @return the modified image attachment
 * @throws Exception if shrinking the image fails
 */
private XWikiAttachment shrinkImage(XWikiAttachment attachment, int requestedWidth, int requestedHeight,
        boolean keepAspectRatio, float requestedQuality, XWikiContext context) throws Exception {
    Image image = this.imageProcessor.readImage(attachment.getContentInputStream(context));

    // Compute the new image dimension.
    int currentWidth = image.getWidth(null);
    int currentHeight = image.getHeight(null);
    int[] dimensions = reduceImageDimensions(currentWidth, currentHeight, requestedWidth, requestedHeight,
            keepAspectRatio);

    float quality = requestedQuality;
    if (quality < 0) {
        // If no scaling is needed and the quality parameter is not specified, return the original image.
        if (dimensions[0] == currentWidth && dimensions[1] == currentHeight) {
            return attachment;
        }
        quality = this.defaultQuality;
    }

    // Scale the image to the new dimensions.
    RenderedImage shrunkImage = this.imageProcessor.scaleImage(image, dimensions[0], dimensions[1]);

    // Write the shrunk image to a byte array output stream.
    ByteArrayOutputStream bout = new ByteArrayOutputStream();
    this.imageProcessor.writeImage(shrunkImage, attachment.getMimeType(context), quality, bout);

    // Create an image attachment for the shrunk image.
    XWikiAttachment thumbnail = (XWikiAttachment) attachment.clone();
    thumbnail.setContent(new ByteArrayInputStream(bout.toByteArray()), bout.size());

    return thumbnail;
}

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From source file:com.adaptris.util.text.mime.MultiPartOutput.java

private void inMemoryWrite(OutputStream out) throws MessagingException, IOException {
    MimeMultipart multipart = new MimeMultipart();
    ByteArrayOutputStream partOut = new ByteArrayOutputStream();
    mimeHeader.setHeader(HEADER_CONTENT_TYPE, multipart.getContentType());
    // Write the part out to the stream first.
    for (KeyedBodyPart kbp : parts) {
        multipart.addBodyPart(kbp.getData());
    }/*from  w  ww .  ja  v a  2s . c  o m*/
    multipart.writeTo(partOut);
    mimeHeader.setHeader(HEADER_CONTENT_LENGTH, String.valueOf(partOut.size()));
    writeHeaders(mimeHeader, out);
    out.write(partOut.toByteArray());
}

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From source file:com.norconex.commons.lang.io.ByteArrayOutputStreamTest.java

@Test
public void testByteArrayOutputStream() throws IOException {
    String val1 = "0123456789";
    String val2 = "ABCDEFGHIJKLMNOPQRSTUVWXYZ";
    byte[] b = null;
    ByteArrayOutputStream out = new ByteArrayOutputStream(5);
    String enc = CharEncoding.US_ASCII;

    // test nothing written
    b = new byte[5];
    Assert.assertEquals("no-write-yet-getByte", -1, out.getByte(5));
    Assert.assertEquals("no-write-yet-getBytes", -1, out.getBytes(b, 0));

    // test getByte()
    out.write(val1.getBytes(enc));
    Assert.assertEquals("getByte-0", '0', (char) out.getByte(0));
    Assert.assertEquals("getByte-5", '5', (char) out.getByte(5));
    Assert.assertEquals("getByte-9", '9', (char) out.getByte(9));
    Assert.assertEquals("getByte-10", -1, out.getByte(10));
    Assert.assertEquals("val1-count", 10, out.size());

    // test getBytes()
    b = new byte[6];
    out.getBytes(b, 0);// www  .ja  v a  2 s .c o m
    Assert.assertEquals("getBytes-012345", "012345", new String(b, enc));

    b = new byte[3];
    out.getBytes(b, 6);
    Assert.assertEquals("getBytes-678", "678", new String(b, enc));

    b = new byte[3];
    out.getBytes(b, 6);
    Assert.assertEquals("getBytes-678", "678", new String(b, enc));

    b = new byte[12];
    int read = out.getBytes(b, 8);
    Assert.assertEquals("getBytes-89", "89", new String(b, 0, read, enc));
    out.write(val2.getBytes(enc));
    out.getBytes(b, 8);
    Assert.assertEquals("getBytes-89ABCDEFGHIJ", "89ABCDEFGHIJ", new String(b, enc));

    // toByteArray()
    Assert.assertEquals("toByteArray", val1 + val2, new String(out.toByteArray(), enc));

    out.close();
}

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