Examples of java.net.URLStreamHandler

java.net.URLStreamHandler
The abstract class URLStreamHandler is the common superclass for all stream protocol handlers. A stream protocol handler knows how to make a connection for a particular protocol type, such as http, ftp, or gopher.
In most cases, an instance of a URLStreamHandler subclass is not created directly by an application. Rather, the first time a protocol name is encountered when constructing a URL, the appropriate stream protocol handler is automatically loaded. @author James Gosling @version 1.73, 04/07/06 @see java.net.URL#URL(java.lang.String,java.lang.String,int,java.lang.String) @since JDK1.0

    private static final Map m_handlerToURL = new HashMap();
    private void init(String protocol, URLStreamHandlerFactory factory)
    {
        try
        {
            URLStreamHandler handler = getBuiltInStreamHandler(protocol, factory);
            if (handler != null)
            {
                URL url = new URL(protocol, null, -1, "", handler);
                m_handlerToURL.put(handler, url);
            }

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                return (URLStreamHandler) m_builtIn.get(protocol);
            }
        }
        if (factory != null)
        {
            URLStreamHandler result = factory.createURLStreamHandler(protocol);
            if (result != null)
            {
                return addToCache(protocol, result);
            }
        }
        // Check for built-in handlers for the mime type.
        // Iterate over built-in packages.
        URLStreamHandler handler = loadBuiltInStreamHandler(protocol, null);
        if (handler == null)
        {
            handler = loadBuiltInStreamHandler(protocol, ClassLoader.getSystemClassLoader());
        }
        return addToCache(protocol, handler);

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        // IMPLEMENTATION NOTE: Caching is not strictly necessary for
        // stream handlers since the Java runtime caches them. Caching is
        // performed for code consistency between stream and content
        // handlers and also because caching behavior may not be guaranteed
        // across different JRE implementations.
        URLStreamHandler handler = getFromStreamCache(protocol);


        if (handler != null)
        {
            return handler;
        }

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    };
    
    private ClassLoader mockClassLoader(String ... paths) throws MalformedURLException, IOException {
        final ClassLoader cl = Mockito.mock(ClassLoader.class);
        final JarURLConnection conn = Mockito.mock(JarURLConnection.class);
        final URLStreamHandler handler = new URLStreamHandler() {
            @Override
            protected URLConnection openConnection(final URL url) throws IOException {
                if(throwExceptionOnOpenConnection) {
                    throw new IOException("Throwing up for testing that");
                }

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    public static void setHandlerPackage(String handlerPackage) {
        WonderlandURLStreamHandlerFactory.handlerPackage = handlerPackage;
    }
    
    public URLStreamHandler createURLStreamHandler(String protocol) {
        URLStreamHandler u = null;




        // hardcode the list of protocol handelers.  We do this because
        // trying to load a handler class that doesn't exist using
        // Class.forName() throws a ClassCircularityError.

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        return connection;
    }


    public static ConnectionFactoryImpl createFromURL(final String urlString) throws MalformedURLException
    {
        URL url = new URL(null, urlString, new URLStreamHandler()
                    {
                        @Override
                        protected URLConnection openConnection(URL u) throws IOException
                        {
                            throw new UnsupportedOperationException();

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      for(final Map.Entry<ArchivePath, Node> entry : classes.entrySet()) 
      {
         try 
         {
            beanClasses.add(
                  new URL(null, "archive://" + entry.getKey().get(), new URLStreamHandler() 
                  {
                     @Override
                     protected java.net.URLConnection openConnection(URL u) throws java.io.IOException 
                     {
                        return new URLConnection(u)

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      for (final Map.Entry<ArchivePath, Node> entry : beansXmls.entrySet())
      {
         try
         {
            addWebBeansXmlLocation(
                  new URL(null, "archive:/" + entry.getKey().get(), new URLStreamHandler()
                  {
                     @Override
                     protected java.net.URLConnection openConnection(URL u) throws java.io.IOException
                     {
                        return new URLConnection(u)

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        if (debug >= 1)
            log("addRepository(" + repository + ")");


        // Add this repository to our underlying class loader
        try {
            URLStreamHandler streamHandler = null;
            String protocol = parseProtocol(repository);
            if (factory != null)
                streamHandler = factory.createURLStreamHandler(protocol);
            URL url = new URL(null, repository, streamHandler);
            super.addURL(url);

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     * @exception IllegalArgumentException if the manifest of a JAR file
     *  cannot be processed correctly
     */
    protected void addRepositoryInternal(String repository) {


        URLStreamHandler streamHandler = null;
        String protocol = parseProtocol(repository);
        if (factory != null)
            streamHandler = factory.createURLStreamHandler(protocol);


        // Validate the manifest of a JAR file repository

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