Example usage for java.io ByteArrayInputStream reset

Introduction

In this page you can find the example usage for java.io ByteArrayInputStream reset.

Prototype

public synchronized void reset()

Source Link

Document

Resets the buffer to the marked position.

Usage

From source file:org.pentaho.reporting.engine.classic.core.modules.output.table.html.helper.DefaultHtmlContentGenerator.java

private String queryMimeType(final byte[] data) throws IOException {
    final ByteArrayInputStream stream = new ByteArrayInputStream(data);
    if (isGIF(stream)) {
        return "image/gif";
    }//from   w w  w.j  a v a 2 s  .c om
    stream.reset();
    if (isJPEG(stream)) {
        return "image/jpeg";
    }
    stream.reset();
    if (isPNG(stream)) {
        return "image/png";
    }
    return null;
}

From source file:org.sensorhub.test.service.sos.TestSOSService.java

@Test(expected = OGCException.class)
public void testGetResultWrongOffering() throws Exception {
    deployService(buildSensorProvider1(), buildSensorProvider2());

    InputStream is = new URL(SERVICE_ENDPOINT
            + "?service=SOS&version=2.0&request=GetResult&offering=urn:mysos:wrong&observedProperty=urn:blabla:temperature")
                    .openStream();//from  w ww . j  a  v a  2s . co m
    ByteArrayOutputStream os = new ByteArrayOutputStream();
    IOUtils.copy(is, os);

    // read back and print
    ByteArrayInputStream bis = new ByteArrayInputStream(os.toByteArray());
    IOUtils.copy(bis, System.out);
    bis.reset();

    // parse and generate exception
    OGCExceptionReader.parseException(bis);
}

From source file:org.sensorhub.test.service.sos.TestSOSService.java

@Test(expected = OGCException.class)
public void testGetObsWrongFormat() throws Exception {
    deployService(buildSensorProvider1());

    InputStream is = new URL(SERVICE_ENDPOINT
            + "?service=SOS&version=2.0&request=GetObservation&offering=urn:mysos:sensor1&observedProperty=urn:blabla:temperature&responseFormat=badformat")
                    .openStream();//w w w  . ja va  2 s  . c  o m
    ByteArrayOutputStream os = new ByteArrayOutputStream();
    IOUtils.copy(is, os);

    // read back and print
    ByteArrayInputStream bis = new ByteArrayInputStream(os.toByteArray());
    IOUtils.copy(bis, System.out);
    bis.reset();

    // parse and generate exception
    OGCExceptionReader.parseException(bis);
}

From source file:org.wso2.carbon.analytics.datasource.core.AnalyticsFileSystemTest.java

private void fileReadSeekPosition(String path, int n, int chunk, int... locs) throws IOException {
    byte[] data = generateData(n);
    OutputStream out = this.analyticsFileSystem.createOutput(path);
    out.write(data, 0, data.length);/*  w  w  w  . j a va  2  s. c  om*/
    out.close();
    byte[] din = new byte[chunk];
    ByteArrayInputStream bin = new ByteArrayInputStream(data);
    byte[] din2 = new byte[chunk];
    DataInput in = this.analyticsFileSystem.createInput(path);
    int count, count2;
    for (int i : locs) {
        in.seek(i);
        Assert.assertEquals(in.getPosition(), i);
        count = in.read(din, 0, din.length);
        Assert.assertEquals(in.getPosition(), i + (count < 0 ? 0 : count));
        bin.reset();
        bin.skip(i);
        count2 = bin.read(din2, 0, din2.length);
        Assert.assertEquals(count, count2);
        Assert.assertEquals(din, din2);
    }
}

From source file:org.xwiki.contrib.ldap.XWikiLDAPUtils.java

/**
 * Sync user avatar with LDAP/*from  w ww . ja  va 2  s .  co  m*/
 * 
 * @param ldapUid value of the unique identifier for the user to update.
 * @param userProfile the XWiki user profile document.
 * @param context the XWiki context.
 * @return true if avatar was updated, false otherwise.
 * @throws XWikiException
 */
protected boolean updatePhotoFromLdap(String ldapUid, XWikiDocument userProfile, XWikiContext context)
        throws XWikiException {
    BaseClass userClass = context.getWiki().getUserClass(context);
    BaseObject userObj = userProfile.getXObject(userClass.getDocumentReference());

    // Get current user avatar
    String userAvatar = userObj.getStringValue("avatar");
    XWikiAttachment currentPhoto = null;
    if (userAvatar != null) {
        currentPhoto = userProfile.getAttachment(userAvatar);
    }

    // Get properties
    String photoAttachmentName = this.configuration
            .getLDAPParam(XWikiLDAPConfig.PREF_LDAP_PHOTO_ATTACHMENT_NAME, "ldapPhoto", context);
    String ldapPhotoAttribute = this.configuration.getLDAPParam(XWikiLDAPConfig.PREF_LDAP_PHOTO_ATTRIBUTE,
            XWikiLDAPConfig.DEFAULT_PHOTO_ATTRIBUTE, context);

    // Proceed only if any of conditions are true:
    // 1. User do not have avatar currently
    // 2. User have avatar and avatar file name is equals to PREF_LDAP_PHOTO_ATTACHMENT_NAME
    if (StringUtils.isEmpty(userAvatar) || photoAttachmentName.equals(FilenameUtils.getBaseName(userAvatar))
            || currentPhoto == null) {
        // Obtain photo from LDAP
        byte[] ldapPhoto = null;
        List<XWikiLDAPSearchAttribute> ldapAttributes = searchUserAttributesByUid(ldapUid,
                new String[] { ldapPhotoAttribute });
        if (ldapAttributes != null) {
            // searchUserAttributesByUid method may return dn as 1st element
            // Let's iterate over array and search ldapPhotoAttribute
            for (XWikiLDAPSearchAttribute attribute : ldapAttributes) {
                if (attribute.name.equals(ldapPhotoAttribute)) {
                    ldapPhoto = attribute.byteValue;
                }
            }
        }

        if (ldapPhoto != null) {
            ByteArrayInputStream ldapPhotoInputStream = new ByteArrayInputStream(ldapPhoto);
            // Try to guess image type
            String ldapPhotoType = guessImageType(ldapPhotoInputStream);
            ldapPhotoInputStream.reset();

            if (ldapPhotoType != null) {
                String photoAttachmentFullName = photoAttachmentName + "." + ldapPhotoType.toLowerCase();

                if (!StringUtils.isEmpty(userAvatar) && currentPhoto != null) {
                    try {
                        // Compare current xwiki avatar and LDAP photo
                        if (!IOUtils.contentEquals(currentPhoto.getContentInputStream(context),
                                ldapPhotoInputStream)) {
                            ldapPhotoInputStream.reset();

                            // Store photo
                            return addPhotoToProfile(userProfile, context, ldapPhotoInputStream,
                                    ldapPhoto.length, photoAttachmentFullName);
                        }
                    } catch (IOException ex) {
                        LOGGER.error(ex.getMessage());
                    }
                } else if (addPhotoToProfile(userProfile, context, ldapPhotoInputStream, ldapPhoto.length,
                        photoAttachmentFullName)) {
                    PropertyClass avatarProperty = (PropertyClass) userClass.getField("avatar");
                    userObj.safeput("avatar", avatarProperty.fromString(photoAttachmentFullName));
                    return true;
                }
            } else {
                LOGGER.info("Unable to determine LDAP photo image type.");
            }
        } else if (currentPhoto != null) {
            // Remove current avatar
            PropertyClass avatarProperty = (PropertyClass) userClass.getField("avatar");
            userObj.safeput("avatar", avatarProperty.fromString(""));
            return true;
        }
    }

    return false;
}

From source file:ws.michalski.sepa.pain.SEPAAutoReader.java

/**
 * Liefert xmlns Attribut von des XML /*from   ww w .  ja v  a2s  . co m*/
 * @param String zum Suchen als XPath Ausdruck
 * @param Attribut
 * @return String
 */
private String getXmlnsAttribut(ByteArrayInputStream is) {

    String erg = null;

    is.reset();

    DocumentBuilderFactory dbf = DocumentBuilderFactory.newInstance();
    DocumentBuilder db;
    Document doc = null;
    try {
        db = dbf.newDocumentBuilder();
        doc = db.parse(is);
    } catch (ParserConfigurationException e) {
        log.error(e);
    } catch (SAXException e) {
        log.error(e);
    } catch (IOException e) {
        log.error(e);
    }

    Element rootNode = doc.getDocumentElement();

    erg = rootNode.getAttribute("xmlns");

    is.reset();

    return erg;
}