Example usage for java.net URI getHost

Introduction

In this page you can find the example usage for java.net URI getHost.

Prototype

public String getHost() 

Source Link

Document

Returns the host component of this URI.

Usage

From source file:edu.internet2.middleware.openid.message.encoding.EncodingUtils.java

/**
 * Append the URL encoded OpenID message parameters to the query string of the provided URI.
 * /*from w w  w.  ja  va2  s .co m*/
 * @param uri URI to append OpenID message parameter to
 * @param message URL encoded OpenID message parameters
 * @return URI with message parameters appended
 */
public static URI appendMessageParameters(URI uri, String message) {
    if (uri == null || message == null) {
        return uri;
    }

    // build new query string
    StringBuffer queryBuffer = new StringBuffer();
    if (uri.getRawQuery() != null) {
        queryBuffer.append(uri.getRawQuery());
    }
    if (queryBuffer.length() > 0 && queryBuffer.charAt(queryBuffer.length() - 1) != '&') {
        queryBuffer.append('&');
    }
    queryBuffer.append(message);

    try {
        return URIUtils.createURI(uri.getScheme(), uri.getHost(), uri.getPort(), uri.getPath(),
                queryBuffer.toString(), uri.getFragment());
    } catch (URISyntaxException e) {
        log.error("Unable to append message parameters to URI: {}", e);
    }

    return null;
}

---

From source file:com.buaa.cfs.utils.NetUtils.java

/**
 * Resolve the uri's hostname and add the default port if not in the uri
 *
 * @param uri         to resolve//from  www .  j  a  v a 2 s.  c o  m
 * @param defaultPort if none is given
 *
 * @return URI
 */
public static URI getCanonicalUri(URI uri, int defaultPort) {
    // skip if there is no authority, ie. "file" scheme or relative uri
    String host = uri.getHost();
    if (host == null) {
        return uri;
    }
    String fqHost = canonicalizeHost(host);
    int port = uri.getPort();
    // short out if already canonical with a port
    if (host.equals(fqHost) && port != -1) {
        return uri;
    }
    // reconstruct the uri with the canonical host and port
    try {
        uri = new URI(uri.getScheme(), uri.getUserInfo(), fqHost, (port == -1) ? defaultPort : port,
                uri.getPath(), uri.getQuery(), uri.getFragment());
    } catch (URISyntaxException e) {
        throw new IllegalArgumentException(e);
    }
    return uri;
}

---

From source file:com.sworddance.util.UriFactoryImpl.java

/**
 * NOT checking for !uri.{@link java.net.URI#isAbsolute()} because protocol-less uri ( '//example.com' ) is not absolute.
 * @param uri// w w w .java  2s  . co m
 * @return false if uri == null or the uri.getHost() has no top-level-domain (no '.' in the last 8 characters )
 */
public static boolean isNonLocalUri(URI uri) {
    if (uri != null) {
        String host = uri.getHost();
        if (isNotBlank(host)) {
            // top-level domains ( .info, .com, .org, etc )  are at most 4 characters long + 1 for the dot.
            // so checking for a '.' in the last 8 characters is a reasonable quick test to make sure the domain is
            // a real domain.
            // Above is not true: internationalized domain names (e.g. xn--80ahbyhddgf2au1c.xn--p1ai )
            int dotPos = host.lastIndexOf('.');
            if (dotPos >= 0) {
                // now look for ip address ranges that are declared local
                Matcher matcher = IPV4_ADDRESSES.matcher(host);
                if (matcher.matches()) {
                    // ipv4 address
                    //  http://en.wikipedia.org/wiki/Reserved_IP_addresses
                    int first = Integer.parseInt(matcher.group(1));
                    int second = Integer.parseInt(matcher.group(2));
                    int third = Integer.parseInt(matcher.group(3));
                    int fourth = Integer.parseInt(matcher.group(4));
                    if (first >= 224) {
                        // 224.0.0.0 - 255.255.255.255 : various multicast and reserved blocks
                        return false;
                    } else if (first < 0 || first > 255 || second < 0 || second > 255 || third < 0
                            || third > 255 || fourth < 0 || fourth > 255) {
                        // some out of bounds number for ip address : lets just declare it bad.
                        return false;
                    } else {
                        switch (first) {
                        case 0: // 0.0.0.0  0.255.255.255 : all reserved
                            return false;
                        case 10: // 10.0.0.0  10.255.255.255 : all reserved
                            return false;
                        case 100:
                            // 100.64.0.0  100.127.255.255
                            // communication between service providers
                            return second < 64 || second > 127;
                        case 127:// 127.0.0.0  127.255.255.255 : all reserved
                            return false;
                        case 169:
                            // 169.254.0.0  169.254.255.255
                            return second != 254;
                        case 172:
                            // 172.16.0.0  172.31.255.255
                            return second < 16 || second > 31;
                        case 192:
                            switch (second) {
                            case 0:
                                if (third == 0) {
                                    // 192.0.0.0  192.0.0.7
                                    return fourth > 7;
                                } else {
                                    // 192.0.2.0  192.0.2.255
                                    return third != 2;
                                }
                            case 88:
                                // 192.88.99.0  192.88.99.255
                                return third != 99;
                            case 168:
                                // 192.168.0.0  192.168.255.255
                                return false;
                            default:
                                return true;
                            }
                        case 198:
                            switch (second) {
                            case 18:
                            case 19:
                                // 198.18.0.0  198.19.255.255
                                return false;
                            case 51:
                                // 198.51.100.0  198.51.100.255
                                return third != 100;
                            default:
                                return true;
                            }
                        case 203:
                            // 203.0.113.0  203.0.113.255
                            return second != 0 || third != 113;
                        }
                        return true;
                    }
                } else if (false/*test for ipv6 */) {

                } else {
                    return true;
                }
            }
        }
    }
    return false;
}

---

From source file:com.sworddance.util.UriFactoryImpl.java

/**
 * @param originalUri//from  www .ja v a2 s  . co m
 * @param uri
 * @return true if the uri's have the same host / domain. Always returns false if either uri has a "mailTo" scheme.
 */
public static boolean isSameHost(URI originalUri, URI uri) {
    if (isWebUri(originalUri) || isWebUri(uri)) {
        return false;
    } else {
        String originalHost = originalUri.getHost();
        String host = uri.getHost();
        return equalsIgnoreCase(originalHost, host);
    }
}

---

From source file:edu.washington.cs.mystatus.odk.utilities.WebUtils.java

/**
 * Common method for returning a parsed xml document given a url and the
 * http context and client objects involved in the web connection.
 *
 * @param urlString/* w  w w . j av  a 2  s .  com*/
 * @param localContext
 * @param httpclient
 * @return
 */
public static DocumentFetchResult getXmlDocument(String urlString, HttpContext localContext,
        HttpClient httpclient) {
    URI u = null;
    try {
        URL url = new URL(urlString);
        u = url.toURI();
    } catch (Exception e) {
        e.printStackTrace();
        return new DocumentFetchResult(e.getLocalizedMessage()
                // + app.getString(R.string.while_accessing) + urlString);
                + ("while accessing") + urlString, 0);
    }

    if (u.getHost() == null) {
        return new DocumentFetchResult("Invalid server URL (no hostname): " + urlString, 0);
    }

    // if https then enable preemptive basic auth...
    if (u.getScheme().equals("https")) {
        enablePreemptiveBasicAuth(localContext, u.getHost());
    }

    // set up request...
    HttpGet req = WebUtils.createOpenRosaHttpGet(u);

    HttpResponse response = null;
    try {
        response = httpclient.execute(req, localContext);
        int statusCode = response.getStatusLine().getStatusCode();

        HttpEntity entity = response.getEntity();

        if (statusCode != HttpStatus.SC_OK) {
            WebUtils.discardEntityBytes(response);
            if (statusCode == HttpStatus.SC_UNAUTHORIZED) {
                // clear the cookies -- should not be necessary?
                MyStatus.getInstance().getCookieStore().clear();
            }
            String webError = response.getStatusLine().getReasonPhrase() + " (" + statusCode + ")";

            return new DocumentFetchResult(u.toString() + " responded with: " + webError, statusCode);
        }

        if (entity == null) {
            String error = "No entity body returned from: " + u.toString();
            Log.e(t, error);
            return new DocumentFetchResult(error, 0);
        }

        if (!entity.getContentType().getValue().toLowerCase(Locale.ENGLISH)
                .contains(WebUtils.HTTP_CONTENT_TYPE_TEXT_XML)) {
            WebUtils.discardEntityBytes(response);
            String error = "ContentType: " + entity.getContentType().getValue() + " returned from: "
                    + u.toString()
                    + " is not text/xml.  This is often caused a network proxy.  Do you need to login to your network?";
            Log.e(t, error);
            return new DocumentFetchResult(error, 0);
        }
        // parse response
        Document doc = null;
        try {
            InputStream is = null;
            InputStreamReader isr = null;
            try {
                is = entity.getContent();
                isr = new InputStreamReader(is, "UTF-8");
                doc = new Document();
                KXmlParser parser = new KXmlParser();
                parser.setInput(isr);
                parser.setFeature(XmlPullParser.FEATURE_PROCESS_NAMESPACES, true);
                doc.parse(parser);
                isr.close();
                isr = null;
            } finally {
                if (isr != null) {
                    try {
                        // ensure stream is consumed...
                        final long count = 1024L;
                        while (isr.skip(count) == count)
                            ;
                    } catch (Exception e) {
                        // no-op
                    }
                    try {
                        isr.close();
                    } catch (Exception e) {
                        // no-op
                    }
                }
                if (is != null) {
                    try {
                        is.close();
                    } catch (Exception e) {
                        // no-op
                    }
                }
            }
        } catch (Exception e) {
            e.printStackTrace();
            String error = "Parsing failed with " + e.getMessage() + "while accessing " + u.toString();
            Log.e(t, error);
            return new DocumentFetchResult(error, 0);
        }

        boolean isOR = false;
        Header[] fields = response.getHeaders(WebUtils.OPEN_ROSA_VERSION_HEADER);
        if (fields != null && fields.length >= 1) {
            isOR = true;
            boolean versionMatch = false;
            boolean first = true;
            StringBuilder b = new StringBuilder();
            for (Header h : fields) {
                if (WebUtils.OPEN_ROSA_VERSION.equals(h.getValue())) {
                    versionMatch = true;
                    break;
                }
                if (!first) {
                    b.append("; ");
                }
                first = false;
                b.append(h.getValue());
            }
            if (!versionMatch) {
                Log.w(t, WebUtils.OPEN_ROSA_VERSION_HEADER + " unrecognized version(s): " + b.toString());
            }
        }
        return new DocumentFetchResult(doc, isOR);
    } catch (Exception e) {
        clearHttpConnectionManager();
        e.printStackTrace();
        String cause;
        Throwable c = e;
        while (c.getCause() != null) {
            c = c.getCause();
        }
        cause = c.toString();
        String error = "Error: " + cause + " while accessing " + u.toString();

        Log.w(t, error);
        return new DocumentFetchResult(error, 0);
    }
}

---

From source file:org.soyatec.windowsazure.internal.util.HttpUtilities.java

/**
 * Remove the query part from URI./*  w w  w .j  ava 2s .  c  om*/
 * 
 * @param uri
 * @return URI after remove the query part.
 */
public static URI removeQueryPart(URI uri) {
    try {
        return URIUtils.createURI(uri.getScheme(), uri.getHost(), uri.getPort(), uri.getPath(), null, null);
    } catch (URISyntaxException e) {
        Logger.error("Remove query part from uri failed.", e);
        return uri;
    }
}

---

From source file:com.github.diogochbittencourt.googleplaydownloader.downloader.impl.DownloadThread.java

static final private boolean isLocalHost(String url) {
    if (url == null) {
        return false;
    }//from  w w w . j a  va2s .  c  o m

    try {
        final URI uri = URI.create(url);
        final String host = uri.getHost();
        if (host != null) {
            // TODO: InetAddress.isLoopbackAddress should be used to check
            // for localhost. However no public factory methods exist which
            // can be used without triggering DNS lookup if host is not
            // localhost.
            if (host.equalsIgnoreCase("localhost") || host.equals("127.0.0.1") || host.equals("[::1]")) {
                return true;
            }
        }
    } catch (IllegalArgumentException iex) {
        // Ignore (URI.create)
    }

    return false;
}

---

From source file:org.koboc.collect.android.utilities.WebUtils.java

/**
 * Common method for returning a parsed xml document given a url and the
 * http context and client objects involved in the web connection.
 *
 * @param urlString//www .  j  av  a  2s .c  o m
 * @param localContext
 * @param httpclient
 * @return
 */
public static DocumentFetchResult getXmlDocument(String urlString, HttpContext localContext,
        HttpClient httpclient) {
    URI u = null;
    try {
        URL url = new URL(urlString);
        u = url.toURI();
    } catch (Exception e) {
        e.printStackTrace();
        return new DocumentFetchResult(e.getLocalizedMessage()
                // + app.getString(R.string.while_accessing) + urlString);
                + ("while accessing") + urlString, 0);
    }

    if (u.getHost() == null) {
        return new DocumentFetchResult("Invalid server URL (no hostname): " + urlString, 0);
    }

    // if https then enable preemptive basic auth...
    if (u.getScheme().equals("https")) {
        enablePreemptiveBasicAuth(localContext, u.getHost());
    }

    // set up request...
    HttpGet req = WebUtils.createOpenRosaHttpGet(u);

    HttpResponse response = null;
    try {

        response = httpclient.execute(req, localContext);
        int statusCode = response.getStatusLine().getStatusCode();

        HttpEntity entity = response.getEntity();

        if (statusCode != HttpStatus.SC_OK) {
            WebUtils.discardEntityBytes(response);
            if (statusCode == HttpStatus.SC_UNAUTHORIZED) {
                // clear the cookies -- should not be necessary?
                Collect.getInstance().getCookieStore().clear();
            }
            String webError = response.getStatusLine().getReasonPhrase() + " (" + statusCode + ")";

            return new DocumentFetchResult(u.toString() + " responded with: " + webError, statusCode);
        }

        if (entity == null) {
            String error = "No entity body returned from: " + u.toString();
            Log.e(t, error);
            return new DocumentFetchResult(error, 0);
        }

        if (!entity.getContentType().getValue().toLowerCase(Locale.ENGLISH)
                .contains(WebUtils.HTTP_CONTENT_TYPE_TEXT_XML)) {
            WebUtils.discardEntityBytes(response);
            String error = "ContentType: " + entity.getContentType().getValue() + " returned from: "
                    + u.toString()
                    + " is not text/xml.  This is often caused a network proxy.  Do you need to login to your network?";
            Log.e(t, error);
            return new DocumentFetchResult(error, 0);
        }
        // parse response
        Document doc = null;
        try {
            InputStream is = null;
            InputStreamReader isr = null;
            try {
                is = entity.getContent();
                isr = new InputStreamReader(is, "UTF-8");
                doc = new Document();
                KXmlParser parser = new KXmlParser();
                parser.setInput(isr);
                parser.setFeature(XmlPullParser.FEATURE_PROCESS_NAMESPACES, true);
                doc.parse(parser);
                isr.close();
                isr = null;
            } finally {
                if (isr != null) {
                    try {
                        // ensure stream is consumed...
                        final long count = 1024L;
                        while (isr.skip(count) == count)
                            ;
                    } catch (Exception e) {
                        // no-op
                    }
                    try {
                        isr.close();
                    } catch (Exception e) {
                        // no-op
                    }
                }
                if (is != null) {
                    try {
                        is.close();
                    } catch (Exception e) {
                        // no-op
                    }
                }
            }
        } catch (Exception e) {
            e.printStackTrace();
            String error = "Parsing failed with " + e.getMessage() + "while accessing " + u.toString();
            Log.e(t, error);
            return new DocumentFetchResult(error, 0);
        }

        boolean isOR = false;
        Header[] fields = response.getHeaders(WebUtils.OPEN_ROSA_VERSION_HEADER);
        if (fields != null && fields.length >= 1) {
            isOR = true;
            boolean versionMatch = false;
            boolean first = true;
            StringBuilder b = new StringBuilder();
            for (Header h : fields) {
                if (WebUtils.OPEN_ROSA_VERSION.equals(h.getValue())) {
                    versionMatch = true;
                    break;
                }
                if (!first) {
                    b.append("; ");
                }
                first = false;
                b.append(h.getValue());
            }
            if (!versionMatch) {
                Log.w(t, WebUtils.OPEN_ROSA_VERSION_HEADER + " unrecognized version(s): " + b.toString());
            }
        }
        return new DocumentFetchResult(doc, isOR);
    } catch (Exception e) {
        clearHttpConnectionManager();
        e.printStackTrace();
        String cause;
        Throwable c = e;
        while (c.getCause() != null) {
            c = c.getCause();
        }
        cause = c.toString();
        String error = "Error: " + cause + " while accessing " + u.toString();

        Log.w(t, error);
        return new DocumentFetchResult(error, 0);
    }
}

---

From source file:com.sworddance.util.UriFactoryImpl.java

/**
 * TODO need to figure out what parts of WebLocationImpl belong here.
 * @param uri/*  w  ww  .j a v a 2  s. c om*/
 * @return uri
 */
public static URI getNormalizedUri(URI uri) {
    try {
        String path = uri.getPath();

        // see WebLocationImpl ( this implementation here may not be correct )
        return new URI(uri.getScheme(), uri.getHost(), path == null ? PATH_SEPARATOR : PATH_SEPARATOR + path,
                uri.getQuery());
    } catch (URISyntaxException e) {
        throw new IllegalArgumentException(e);
    }
}

---

From source file:com.sangupta.jerry.oauth.OAuthUtils.java

/**
 * Return the signing base URL that is appended after the HTTP VERB in OAuth
 * header.//from  ww  w . j a  va 2  s.c o m
 * 
 * @param uri
 *            the {@link URI} instance from which the signing base is
 *            extracted
 * 
 * @return the extracted signing base from the {@link URI} instance
 */
public static String getSigningBaseURL(URI uri) {
    if (uri == null) {
        throw new IllegalArgumentException("URI cannot be null");
    }

    StringBuilder builder = new StringBuilder();
    builder.append(uri.getScheme().toLowerCase());
    builder.append("://");
    builder.append(uri.getHost().toLowerCase());

    int port = uri.getPort();
    if (!(port == 80 || port == -1)) {
        builder.append(':');
        builder.append(String.valueOf(port));
    }

    builder.append(uri.getPath());

    return builder.toString();
}

---

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