Example usage for java.net URLConnection getExpiration

Introduction

In this page you can find the example usage for java.net URLConnection getExpiration.

Prototype

public long getExpiration() 

Source Link

Document

Returns the value of the expires header field.

Usage

From source file:MainClass.java

public static void main(String args[]) throws Exception {
    int c;/*from w w  w . j  av  a2 s . c  om*/
    URL hp = new URL("http", "www.java2s.com", 80, "/");
    URLConnection hpCon = hp.openConnection();
    System.out.println("Date: " + hpCon.getDate());
    System.out.println("Type: " + hpCon.getContentType());
    System.out.println("Exp: " + hpCon.getExpiration());
    System.out.println("Last M: " + hpCon.getLastModified());
    System.out.println("Length: " + hpCon.getContentLength());
}

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From source file:Main.java

public static void main(String args[]) throws Exception {
    int c;//ww w .ja  v a  2 s  . co m
    URL hp = new URL("http://www.internic.net");
    URLConnection hpCon = hp.openConnection();

    long d = hpCon.getDate();
    if (d == 0)
        System.out.println("No date information.");
    else
        System.out.println("Date: " + new Date(d));

    System.out.println("Content-Type: " + hpCon.getContentType());

    d = hpCon.getExpiration();
    if (d == 0)
        System.out.println("No expiration information.");
    else
        System.out.println("Expires: " + new Date(d));

    d = hpCon.getLastModified();
    if (d == 0)
        System.out.println("No last-modified information.");
    else
        System.out.println("Last-Modified: " + new Date(d));

    int len = hpCon.getContentLength();
    if (len == -1)
        System.out.println("Content length unavailable.");
    else
        System.out.println("Content-Length: " + len);

    if (len != 0) {
        InputStream input = hpCon.getInputStream();
        int i = len;
        while (((c = input.read()) != -1)) { // && (--i > 0)) {
            System.out.print((char) c);
        }
        input.close();

    } else {
        System.out.println("No content available.");
    }

}

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From source file:Main.java

public static void main(String args[]) throws Exception {

    URL u = new URL("http://www.java2s.com");
    URLConnection uc = u.openConnection();
    System.out.println("Content-type: " + uc.getContentType());
    System.out.println("Content-encoding: " + uc.getContentEncoding());
    System.out.println("Date: " + new Date(uc.getDate()));
    System.out.println("Last modified: " + new Date(uc.getLastModified()));
    System.out.println("Expiration date: " + new Date(uc.getExpiration()));
    System.out.println("Content-length: " + uc.getContentLength());
}

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From source file:Main.java

public static void main(String args[]) throws Exception {

    URL u = new URL("http://www.java2s.com");
    URLConnection uc = u.openConnection();
    uc.connect();//  ww  w  .  j av a 2 s.  c  o  m
    System.out.println("Content-type: " + uc.getContentType());
    System.out.println("Content-encoding: " + uc.getContentEncoding());
    System.out.println("Date: " + new Date(uc.getDate()));
    System.out.println("Last modified: " + new Date(uc.getLastModified()));
    System.out.println("Expiration date: " + new Date(uc.getExpiration()));
    System.out.println("Content-length: " + uc.getContentLength());
}

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From source file:URLConnectionTest.java

public static void main(String[] args) {
    try {//  ww w.java2 s . c  om
        String urlName;
        if (args.length > 0)
            urlName = args[0];
        else
            urlName = "http://java.sun.com";

        URL url = new URL(urlName);
        URLConnection connection = url.openConnection();

        // set username, password if specified on command line

        if (args.length > 2) {
            String username = args[1];
            String password = args[2];
            String input = username + ":" + password;
            String encoding = base64Encode(input);
            connection.setRequestProperty("Authorization", "Basic " + encoding);
        }

        connection.connect();

        // print header fields

        Map<String, List<String>> headers = connection.getHeaderFields();
        for (Map.Entry<String, List<String>> entry : headers.entrySet()) {
            String key = entry.getKey();
            for (String value : entry.getValue())
                System.out.println(key + ": " + value);
        }

        // print convenience functions

        System.out.println("----------");
        System.out.println("getContentType: " + connection.getContentType());
        System.out.println("getContentLength: " + connection.getContentLength());
        System.out.println("getContentEncoding: " + connection.getContentEncoding());
        System.out.println("getDate: " + connection.getDate());
        System.out.println("getExpiration: " + connection.getExpiration());
        System.out.println("getLastModifed: " + connection.getLastModified());
        System.out.println("----------");

        Scanner in = new Scanner(connection.getInputStream());

        // print first ten lines of contents

        for (int n = 1; in.hasNextLine() && n <= 10; n++)
            System.out.println(in.nextLine());
        if (in.hasNextLine())
            System.out.println(". . .");
    } catch (IOException e) {
        e.printStackTrace();
    }
}

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From source file:GetURLInfo.java

/** Use the URLConnection class to get info about the URL */
public static void printinfo(URL url) throws IOException {
    URLConnection c = url.openConnection(); // Get URLConnection from URL
    c.connect(); // Open a connection to URL

    // Display some information about the URL contents
    System.out.println("  Content Type: " + c.getContentType());
    System.out.println("  Content Encoding: " + c.getContentEncoding());
    System.out.println("  Content Length: " + c.getContentLength());
    System.out.println("  Date: " + new Date(c.getDate()));
    System.out.println("  Last Modified: " + new Date(c.getLastModified()));
    System.out.println("  Expiration: " + new Date(c.getExpiration()));

    // If it is an HTTP connection, display some additional information.
    if (c instanceof HttpURLConnection) {
        HttpURLConnection h = (HttpURLConnection) c;
        System.out.println("  Request Method: " + h.getRequestMethod());
        System.out.println("  Response Message: " + h.getResponseMessage());
        System.out.println("  Response Code: " + h.getResponseCode());
    }/* www  .j  a v a 2  s.  c  o m*/
}

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From source file:org.apache.synapse.registry.url.SimpleURLRegistry.java

public RegistryEntry getRegistryEntry(String key) {

    if (log.isDebugEnabled()) {
        log.debug("Perform RegistryEntry lookup for key : " + key);
    }//from   w  w  w .  jav  a2s  . c o  m
    URL url = SynapseConfigUtils.getURLFromPath(root + key,
            properties.get(SynapseConstants.SYNAPSE_HOME) != null
                    ? properties.get(SynapseConstants.SYNAPSE_HOME).toString()
                    : "");
    if (url == null) {
        return null;
    }
    URLConnection connection = SynapseConfigUtils.getURLConnection(url);
    if (connection == null) {
        if (log.isDebugEnabled()) {
            log.debug("Cannot create a URLConnection for given URL : " + url);
        }
        return null;
    }

    RegistryEntryImpl wre = new RegistryEntryImpl();
    wre.setKey(key);
    wre.setName(url.getFile());
    wre.setType(connection.getContentType());
    wre.setDescription("Resource at : " + url.toString());
    wre.setLastModified(connection.getLastModified());
    wre.setVersion(connection.getLastModified());
    if (connection.getExpiration() > 0) {
        wre.setCachableDuration(connection.getExpiration() - System.currentTimeMillis());
    } else {
        wre.setCachableDuration(getCachableDuration());
    }
    return wre;
}

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From source file:org.rhq.plugins.apache_bmx.ApacheDiscovery.java

/**
 * Run the discovery//from  w  w w . j a  va  2  s  .c om
 */
public Set<DiscoveredResourceDetails> discoverResources(ResourceDiscoveryContext discoveryContext)
        throws Exception {

    Set<DiscoveredResourceDetails> discoveredResources = new HashSet<DiscoveredResourceDetails>();

    /**
     * Discover apache with mod_bmx by pinging ist bmx-handler
     *
     * A discovered resource must have a unique key, that must
     * stay the same when the resource is discovered the next
     * time
     */
    Configuration config = discoveryContext.getDefaultPluginConfiguration();
    String host = config.getSimpleValue("host", "localhost");
    String portS = config.getSimpleValue("port", "80");
    int port = Integer.valueOf(portS);
    String handler = config.getSimpleValue("bmxHandler", "/bmx");

    URL url = new URL("http", host, port, handler);
    URLConnection conn = url.openConnection();
    conn.getExpiration();

    String urlString = url.toString();

    config.put(new PropertySimple("bmxUrl", urlString));
    config.put(new PropertySimple("vhost", "_GLOBAL_"));

    DiscoveredResourceDetails detail = new DiscoveredResourceDetails(discoveryContext.getResourceType(), // ResourceType
            urlString, // Resource key
            "Apache server at " + urlString, // Resource Name
            null, // Version - TODO: get from mod_bmx
            "Apache httpd with mod_bmx", // Description
            config, // COnfiguration
            null // process scans
    );

    // Add to return values
    discoveredResources.add(detail);
    log.info("Discovered new ... httpd at " + urlString);

    return discoveredResources;

}

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From source file:org.theospi.portfolio.presentation.export.StreamedPage.java

public InputStream getStream() throws IOException {
    URLConnection conn = Access.getAccess().openConnection(link);

    // fetch and store final redirected URL and response headers
    InputStream returned = conn.getInputStream();

    this.setContentEncoding(conn.getContentEncoding());
    this.setContentType(conn.getContentType());
    this.setExpiration(conn.getExpiration());
    this.setLastModified(conn.getLastModified());

    return returned;
}

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From source file:org.wso2.carbon.mediation.registry.ESBRegistry.java

public RegistryEntry getRegistryEntry(String key) {

    // get information from the actual resource
    MediationRegistryEntryImpl entryEmbedded = new MediationRegistryEntryImpl();

    try {/*  w ww  . j ava  2 s.  c o  m*/
        URL url = new URL(getRoot() + key);
        if ("file".equals(url.getProtocol())) {
            try {
                url.openStream();
            } catch (IOException ignored) {
                if (!localRegistry.endsWith(URL_SEPARATOR)) {
                    localRegistry = localRegistry + URL_SEPARATOR;
                }
                url = new URL(url.getProtocol() + ":" + localRegistry + key);
                try {
                    url.openStream();
                } catch (IOException e) {
                    return null;
                }
            }
        }
        URLConnection urlc = url.openConnection();

        entryEmbedded.setKey(key);
        entryEmbedded.setName(url.getFile());
        entryEmbedded.setType(ESBRegistryConstants.FILE);

        entryEmbedded.setDescription("Resource at : " + url.toString());
        entryEmbedded.setLastModified(urlc.getLastModified());
        entryEmbedded.setVersion(urlc.getLastModified());
        if (urlc.getExpiration() > 0) {
            entryEmbedded.setCachableDuration(urlc.getExpiration() - System.currentTimeMillis());
        } else {
            entryEmbedded.setCachableDuration(getCachableDuration());
        }

    } catch (MalformedURLException e) {
        handleException("Invalid URL reference " + getRoot() + key, e);
    } catch (IOException e) {
        handleException("IO Error reading from URL " + getRoot() + key, e);
    }

    // get information from the database
    PersistenceManager persistenceManager = PersistenceManager.getInstance();
    RegistryEntryDO registryEntryDO = persistenceManager.getRegistryEntry(key);

    if (registryEntryDO != null) {

        if (registryEntryDO.getExpiryTime() != null) {
            entryEmbedded.setCachableDuration(registryEntryDO.getExpiryTime());
        } else {
            entryEmbedded.setCachableDuration(0);
        }
    }

    return entryEmbedded;
}

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