Example usage for java.net HttpURLConnection getContentType

Introduction

In this page you can find the example usage for java.net HttpURLConnection getContentType.

Prototype

public String getContentType() 

Source Link

Document

Returns the value of the content-type header field.

Usage

From source file:org.mapfish.print.PDFUtils.java

private static Image loadImageFromUrl(final RenderingContext context, final URI uri,
        final boolean alwaysThrowExceptionOnError) throws IOException, DocumentException {
    if (!uri.isAbsolute()) {
        //Assumption is that the file is on the local file system
        return Image.getInstance(uri.toString());
    } else if ("file".equalsIgnoreCase(uri.getScheme())) {
        String path;/*from w ww  .  j  a  v a 2  s.  c  o  m*/
        if (uri.getHost() != null && uri.getPath() != null) {
            path = uri.getHost() + uri.getPath();
        } else if (uri.getHost() == null && uri.getPath() != null) {
            path = uri.getPath();
        } else {
            path = uri.toString().substring("file:".length()).replaceAll("/+", "/");
        }
        path = path.replace("/", File.separator);
        return Image.getInstance(new File(path).toURI().toURL());
    } else {

        final String contentType;
        final int statusCode;
        final String statusText;
        byte[] data = null;
        try {
            //read the whole image content in memory, then give that to iText
            if ((uri.getScheme().equals("http") || uri.getScheme().equals("https"))
                    && context.getConfig().localHostForwardIsFrom(uri.getHost())) {
                String scheme = uri.getScheme();
                final String host = uri.getHost();
                if (uri.getScheme().equals("https") && context.getConfig().localHostForwardIsHttps2http()) {
                    scheme = "http";
                }
                URL url = new URL(scheme, "localhost", uri.getPort(), uri.getPath() + "?" + uri.getQuery());

                HttpURLConnection connexion = (HttpURLConnection) url.openConnection();
                connexion.setRequestProperty("Host", host);
                for (Map.Entry<String, String> entry : context.getHeaders().entrySet()) {
                    connexion.setRequestProperty(entry.getKey(), entry.getValue());
                }
                InputStream is = null;
                try {
                    try {
                        is = connexion.getInputStream();
                        ByteArrayOutputStream baos = new ByteArrayOutputStream();
                        byte[] buffer = new byte[1024];
                        int length;
                        while ((length = is.read(buffer)) != -1) {
                            baos.write(buffer, 0, length);
                        }
                        baos.flush();
                        data = baos.toByteArray();
                    } catch (IOException e) {
                        LOGGER.warn(e);
                    }
                    statusCode = connexion.getResponseCode();
                    statusText = connexion.getResponseMessage();
                    contentType = connexion.getContentType();
                } finally {
                    if (is != null) {
                        is.close();
                    }
                }
            } else {
                GetMethod getMethod = null;
                try {
                    getMethod = new GetMethod(uri.toString());
                    for (Map.Entry<String, String> entry : context.getHeaders().entrySet()) {
                        getMethod.setRequestHeader(entry.getKey(), entry.getValue());
                    }
                    if (LOGGER.isDebugEnabled())
                        LOGGER.debug("loading image: " + uri);
                    context.getConfig().getHttpClient(uri).executeMethod(getMethod);
                    statusCode = getMethod.getStatusCode();
                    statusText = getMethod.getStatusText();

                    Header contentTypeHeader = getMethod.getResponseHeader("Content-Type");
                    if (contentTypeHeader == null) {
                        contentType = "";
                    } else {
                        contentType = contentTypeHeader.getValue();
                    }
                    data = getMethod.getResponseBody();
                } finally {
                    if (getMethod != null) {
                        getMethod.releaseConnection();
                    }
                }
            }

            if (statusCode == 204) {
                // returns a transparent image
                if (LOGGER.isDebugEnabled())
                    LOGGER.debug("creating a transparent image for: " + uri);
                try {
                    final byte[] maskr = { (byte) 255 };
                    Image mask = Image.getInstance(1, 1, 1, 1, maskr);
                    mask.makeMask();
                    data = new byte[1 * 1 * 3];
                    Image image = Image.getInstance(1, 1, 3, 8, data);
                    image.setImageMask(mask);
                    return image;
                } catch (DocumentException e) {
                    LOGGER.warn("Couldn't generate a transparent image");

                    if (alwaysThrowExceptionOnError) {
                        throw e;
                    }

                    Image image = handleImageLoadError(context, e.getMessage());

                    LOGGER.warn("The status code was not a valid code, a default image is being returned.");

                    return image;
                }
            } else if (statusCode < 200 || statusCode >= 300 || contentType.startsWith("text/")
                    || contentType.equals("application/vnd" + ".ogc.se_xml")) {
                if (LOGGER.isDebugEnabled())
                    LOGGER.debug("Server returned an error for " + uri + ": " + new String(data));
                String errorMessage;
                if (statusCode < 200 || statusCode >= 300) {
                    errorMessage = "Error (status=" + statusCode + ") while reading the image from " + uri
                            + ": " + statusText;
                } else {
                    errorMessage = "Didn't receive an image while reading: " + uri;
                }

                if (alwaysThrowExceptionOnError) {
                    throw new IOException(errorMessage);
                }

                Image image = handleImageLoadError(context, errorMessage);

                LOGGER.warn("The status code was not a valid code, a default image is being returned.");

                return image;
            } else {
                if (LOGGER.isDebugEnabled())
                    LOGGER.debug("loaded image: " + uri);
                return Image.getInstance(data);
            }
        } catch (IOException e) {
            LOGGER.error("Server returned an error for " + uri + ": " + e.getMessage());

            if (alwaysThrowExceptionOnError) {
                throw e;
            }

            return handleImageLoadError(context, e.getMessage());
        }
    }
}

---

From source file:org.drools.guvnor.server.jaxrs.CategoryResourceIntegrationTest.java

@Test
@RunAsClient/*from  w w w.j  a va  2 s  .c  o m*/
@Ignore
public void testGetAssetsByCategoryAsJaxb(@ArquillianResource URL baseURL) throws Exception {
    URL url = new URL(baseURL, "rest/categories/Home%20Mortgage/assets");
    HttpURLConnection connection = (HttpURLConnection) url.openConnection();
    connection.setRequestProperty("Authorization",
            "Basic " + new Base64().encodeToString(("admin:admin".getBytes())));
    connection.setRequestMethod("GET");
    connection.setRequestProperty("Accept", MediaType.APPLICATION_XML);
    connection.connect();
    assertEquals(200, connection.getResponseCode());
    assertEquals(MediaType.APPLICATION_XML, connection.getContentType());
    //logger.log(LogLevel, IOUtils.toString(connection.getInputStream()));
}

---

From source file:org.drools.guvnor.server.jaxrs.CategoryResourceIntegrationTest.java

@Test
@RunAsClient/*from  w w  w  .  ja  v  a2  s.com*/
@Ignore
public void testGetAssetsByCategoryAndPageAsJaxb(@ArquillianResource URL baseURL) throws Exception {
    URL url = new URL(baseURL, "rest/categories/Home%20Mortgage/assets//page/0");
    HttpURLConnection connection = (HttpURLConnection) url.openConnection();
    connection.setRequestProperty("Authorization",
            "Basic " + new Base64().encodeToString(("admin:admin".getBytes())));
    connection.setRequestMethod("GET");
    connection.setRequestProperty("Accept", MediaType.APPLICATION_XML);
    connection.connect();
    assertEquals(200, connection.getResponseCode());
    assertEquals(MediaType.APPLICATION_XML, connection.getContentType());
    //logger.log(LogLevel, IOUtils.toString(connection.getInputStream()));
}

---

From source file:org.drools.guvnor.server.jaxrs.CategoryResourceIntegrationTest.java

@Test
@RunAsClient/*from  w  w w  .  j  a  v  a2 s .c  o m*/
@Ignore
public void testGetAssetsByCategoryAsJson(@ArquillianResource URL baseURL) throws Exception {
    URL url = new URL(baseURL, "rest/categories/Home%20Mortgage/assets");
    HttpURLConnection connection = (HttpURLConnection) url.openConnection();
    connection.setRequestProperty("Authorization",
            "Basic " + new Base64().encodeToString(("admin:admin".getBytes())));
    connection.setRequestMethod("GET");
    connection.setRequestProperty("Accept", MediaType.APPLICATION_JSON);
    connection.connect();
    assertEquals(200, connection.getResponseCode());
    assertEquals(MediaType.APPLICATION_JSON, connection.getContentType());
    //logger.log(LogLevel, IOUtils.toString(connection.getInputStream()));

}

---

From source file:org.drools.guvnor.server.jaxrs.CategoryResourceIntegrationTest.java

@Test
@RunAsClient//from   w  w  w .j  ava 2s. c  om
@Ignore
public void testGetAssetsByCategoryAndPageAsJson(@ArquillianResource URL baseURL) throws Exception {
    URL url = new URL(baseURL, "rest/categories/Home%20Mortgage/assets//page/0");
    HttpURLConnection connection = (HttpURLConnection) url.openConnection();
    connection.setRequestProperty("Authorization",
            "Basic " + new Base64().encodeToString(("admin:admin".getBytes())));
    connection.setRequestMethod("GET");
    connection.setRequestProperty("Accept", MediaType.APPLICATION_JSON);
    connection.connect();
    assertEquals(200, connection.getResponseCode());
    assertEquals(MediaType.APPLICATION_JSON, connection.getContentType());
    //logger.log(LogLevel, IOUtils.toString(connection.getInputStream()));

}

---

From source file:org.sakaiproject.profile2.conversion.ProfileConverter.java

private void retrieveMainImage(String userUuid, String mainUrl) {
    InputStream inputStream = null;
    try {//from w w w .ja v  a 2s . c o m
        URL url = new URL(mainUrl);
        HttpURLConnection openConnection = (HttpURLConnection) url.openConnection();
        openConnection.setReadTimeout(5000);
        openConnection.setConnectTimeout(5000);
        openConnection.setInstanceFollowRedirects(true);
        openConnection.connect();
        int responseCode = openConnection.getResponseCode();
        if (responseCode == HttpURLConnection.HTTP_OK) {

            String mimeType = openConnection.getContentType();
            inputStream = openConnection.getInputStream();
            // Convert the image.
            byte[] imageMain = ProfileUtils.scaleImage(inputStream, ProfileConstants.MAX_IMAGE_XY, mimeType);

            //create resource ID
            String mainResourceId = sakaiProxy.getProfileImageResourcePath(userUuid,
                    ProfileConstants.PROFILE_IMAGE_MAIN);
            log.info("Profile2 image converter: mainResourceId: " + mainResourceId);

            //save, if error, log and return.
            if (!sakaiProxy.saveFile(mainResourceId, userUuid, DEFAULT_FILE_NAME, mimeType, imageMain)) {
                log.error("Profile2 image importer: Saving main profile image failed.");
            } else {
                ci.setImage(imageMain);
                ci.setMimeType(mimeType);
                ci.setFileName(DEFAULT_FILE_NAME);
                ci.setMainResourceId(mainResourceId);
                ci.setNeedsSaving(true);
            }
        } else {
            log.warn("Failed to get good response for user " + userUuid + " for " + mainUrl + " got "
                    + responseCode);
        }
    } catch (MalformedURLException e) {
        log.info("Invalid URL for user: " + userUuid + " of: " + mainUrl);
    } catch (IOException e) {
        log.warn("Failed to download image for: " + userUuid + " from: " + mainUrl + " error of: "
                + e.getMessage());
    } finally {
        if (inputStream != null) {
            try {
                inputStream.close();
            } catch (IOException ioe) {
                log.info("Failed to close input stream for request to: " + mainUrl);
            }
        }
    }
}

---

From source file:org.drools.guvnor.server.jaxrs.AssetPackageResourceIntegrationTest.java

@Test
@RunAsClient//  ww  w  .  ja  va2s .c  o  m
public void testGetAssetSource(@ArquillianResource URL baseURL) throws Exception {
    URL url = new URL(baseURL, "rest/packages/restPackage1/assets/model1/source");
    HttpURLConnection connection = (HttpURLConnection) url.openConnection();
    connection.setRequestProperty("Authorization",
            "Basic " + new Base64().encodeToString(("admin:admin".getBytes())));
    connection.setRequestMethod("GET");
    connection.setRequestProperty("Accept", MediaType.TEXT_PLAIN);
    connection.connect();
    assertEquals(200, connection.getResponseCode());
    assertEquals(MediaType.TEXT_PLAIN, connection.getContentType());
    String result = IOUtils.toString(connection.getInputStream());
    assertTrue(result.contains("declare Album2"));
    assertTrue(result.contains("genre2: String"));
}

---

From source file:org.ejbca.core.protocol.ocsp.OcspJunitHelper.java

/**
 *
 * @param ocspPackage/*  w w  w .  jav  a 2s .  c  o m*/
 * @param nonce
 * @param respCode expected response code, OK = 0, if not 0, response checking will not continue after response code is checked.
 * @param httpCode, normally 200 for OK or OCSP error. Can be 400 is more than 1 million bytes is sent for example
 * @return a SingleResp or null if respCode != 0
 * @throws IOException
 * @throws OCSPException
 * @throws NoSuchProviderException
 * @throws CertificateException on parsing errors.
 * @throws OperatorCreationException 
 */
protected SingleResp[] sendOCSPPost(byte[] ocspPackage, String nonce, int respCode, int httpCode)
        throws IOException, OCSPException, NoSuchProviderException, OperatorCreationException,
        CertificateException {
    // POST the OCSP request
    URL url = new URL(this.sBaseURL + this.urlEnding);
    HttpURLConnection con = (HttpURLConnection) url.openConnection();
    // we are going to do a POST
    con.setDoOutput(true);
    con.setRequestMethod("POST");

    // POST it
    con.setRequestProperty("Content-Type", "application/ocsp-request");
    OutputStream os = con.getOutputStream();
    os.write(ocspPackage);
    os.close();
    assertEquals("Response code", httpCode, con.getResponseCode());
    if (con.getResponseCode() != 200) {
        return null; // if it is an http error code we don't need to test any more
    }
    // Some appserver (Weblogic) responds with "application/ocsp-response; charset=UTF-8"
    assertNotNull("No Content-Type in reply.", con.getContentType());
    assertTrue(con.getContentType().startsWith("application/ocsp-response"));
    OCSPResp response = new OCSPResp(IOUtils.toByteArray(con.getInputStream()));
    assertEquals("Response status not the expected.", respCode, response.getStatus());
    if (respCode != 0) {
        assertNull("According to RFC 2560, responseBytes are not set on error.", response.getResponseObject());
        return null; // it messes up testing of invalid signatures... but is needed for the unsuccessful responses
    }
    BasicOCSPResp brep = (BasicOCSPResp) response.getResponseObject();
    X509CertificateHolder[] chain = brep.getCerts();
    assertNotNull(
            "No certificate chain returned in response (chain == null), is ocsp.includesignercert=false in ocsp.properties?. It should be set to default value for test to run.",
            chain);
    boolean verify = brep.isSignatureValid(new JcaContentVerifierProviderBuilder().build(chain[0]));
    assertTrue("Response failed to verify.", verify);
    // Check nonce (if we sent one)
    if (nonce != null) {
        byte[] noncerep = brep.getExtension(OCSPObjectIdentifiers.id_pkix_ocsp_nonce).getExtnValue()
                .getEncoded();
        assertNotNull(noncerep);
        ASN1InputStream ain = new ASN1InputStream(noncerep);
        ASN1OctetString oct = ASN1OctetString.getInstance(ain.readObject());
        ain.close();
        assertEquals(nonce, new String(oct.getOctets()));
    }
    SingleResp[] singleResps = brep.getResponses();
    return singleResps;
}

---

From source file:org.drools.guvnor.server.jaxrs.CategoryResourceIntegrationTest.java

@Test
@RunAsClient//from w  w  w .  j a  v a 2 s .co m
@Ignore
public void testGetAssetsByCategoryAndPageAsAtom(@ArquillianResource URL baseURL) throws Exception {
    URL url = new URL(baseURL, "rest/categories/Home%20Mortgage/assets//page/0");
    HttpURLConnection connection = (HttpURLConnection) url.openConnection();
    connection.setRequestProperty("Authorization",
            "Basic " + new Base64().encodeToString(("admin:admin".getBytes())));
    connection.setRequestMethod("GET");
    connection.setRequestProperty("Accept", MediaType.APPLICATION_ATOM_XML);
    connection.connect();
    assertEquals(200, connection.getResponseCode());
    assertEquals(MediaType.APPLICATION_ATOM_XML, connection.getContentType());
    //logger.log(LogLevel, IOUtils.toString(connection.getInputStream()));
}

---

From source file:org.drools.guvnor.server.jaxrs.AssetPackageResourceIntegrationTest.java

@Test
@RunAsClient//from w w  w  . java  2s.c  o m
public void testGetAssetAsJaxB(@ArquillianResource URL baseURL) throws Exception {
    URL url = new URL(baseURL, "rest/packages/restPackage1/assets/model1");
    HttpURLConnection connection = (HttpURLConnection) url.openConnection();
    connection.setRequestProperty("Authorization",
            "Basic " + new Base64().encodeToString(("admin:admin".getBytes())));
    connection.setRequestMethod("GET");
    connection.setRequestProperty("Accept", MediaType.APPLICATION_XML);
    connection.connect();
    assertEquals(200, connection.getResponseCode());
    assertEquals(MediaType.APPLICATION_XML, connection.getContentType());
}

---

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