Examples of org.apache.http.conn.ConnectionRequest

org.apache.http.conn.ConnectionRequest
Encapsulates a request for a {@link HttpClientConnection}. @since 4.3


        // Get some random data
        final HttpGet httpget = new HttpGet("/random/20000");
        final HttpResponse response = this.httpclient.execute(target, httpget);


        ConnectionRequest connreq = this.connManager.requestConnection(new HttpRoute(target), null);
        try {
            connreq.get(250, TimeUnit.MILLISECONDS);
            Assert.fail("ConnectionPoolTimeoutException should have been thrown");
        } catch (final ConnectionPoolTimeoutException expected) {
        }


        final HttpEntity e = response.getEntity();
        Assert.assertNotNull(e);
        httpget.abort();


        // Expect zero connections in the pool
        Assert.assertEquals(0, this.connManager.getTotalStats().getAvailable());


        // Make sure one connection is available
        connreq = this.connManager.requestConnection(new HttpRoute(target), null);
        final HttpClientConnection conn = connreq.get(250, TimeUnit.MILLISECONDS);


        this.connManager.releaseConnection(conn, null, -1, null);
    }

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        // Get some random data
        final HttpGet httpget = new HttpGet("/dropdead");
        final HttpResponse response = this.httpclient.execute(target, httpget);


        ConnectionRequest connreq = this.connManager.requestConnection(new HttpRoute(target), null);
        try {
            connreq.get(250, TimeUnit.MILLISECONDS);
            Assert.fail("ConnectionPoolTimeoutException should have been thrown");
        } catch (final ConnectionPoolTimeoutException expected) {
        }


        final HttpEntity e = response.getEntity();
        Assert.assertNotNull(e);
        // Read the content
        try {
            EntityUtils.toByteArray(e);
            Assert.fail("MalformedChunkCodingException should have been thrown");
        } catch (final MalformedChunkCodingException expected) {


        }


        // Expect zero connections in the pool
        Assert.assertEquals(0, this.connManager.getTotalStats().getAvailable());


        // Make sure one connection is available
        connreq = this.connManager.requestConnection(new HttpRoute(target), null);
        final HttpClientConnection conn = connreq.get(250, TimeUnit.MILLISECONDS);


        this.connManager.releaseConnection(conn, null, -1, null);
    }

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        Args.notNull(route, "HTTP route");
        if (this.log.isDebugEnabled()) {
            this.log.debug("Connection request: " + format(route, state) + formatStats(route));
        }
        final Future<CPoolEntry> future = this.pool.lease(route, state, null);
        return new ConnectionRequest() {


            @Override
            public boolean cancel() {
                return future.cancel(true);
            }

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     * properly released back to the connection manager.
     */
    @Test
    public void testSocketConnectFailureReleasesConnection() throws Exception {
        final HttpClientConnection conn = Mockito.mock(HttpClientConnection.class);
        final ConnectionRequest connrequest = Mockito.mock(ConnectionRequest.class);
        Mockito.when(connrequest.get(
                Mockito.anyInt(), Mockito.any(TimeUnit.class))).thenReturn(conn);
        final HttpClientConnectionManager connmgr = Mockito.mock(HttpClientConnectionManager.class);
        Mockito.doThrow(new ConnectException()).when(connmgr).connect(
                Mockito.any(HttpClientConnection.class),
                Mockito.any(HttpRoute.class),

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    @Override
    public final ConnectionRequest requestConnection(
            final HttpRoute route,
            final Object state) {
        Args.notNull(route, "Route");
        return new ConnectionRequest() {


            @Override
            public boolean cancel() {
                // Nothing to abort, since requests are immediate.
                return false;

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            // If this is the redirect route, stub the return value
            // so-as to pretend the host is waiting on a slot...
            if(route.getTargetHost().getHostName().equals("localhost")) {
                final Thread currentThread = Thread.currentThread();


                return new ConnectionRequest() {


                    @Override
                    public boolean cancel() {
                        currentThread.interrupt();
                        return true;

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                final HttpRoute route,
                final Object state) {


            final Thread currentThread = Thread.currentThread();


            return new ConnectionRequest() {


                @Override
                public boolean cancel() {
                    currentThread.interrupt();
                    return true;

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    private static HttpClientConnection getConnection(
            final HttpClientConnectionManager mgr,
            final HttpRoute route,
            final long timeout,
            final TimeUnit unit) throws ConnectionPoolTimeoutException, ExecutionException, InterruptedException {
        final ConnectionRequest connRequest = mgr.requestConnection(route, null);
        return connRequest.get(timeout, unit);
    }

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    }


    private static HttpClientConnection getConnection(
            final HttpClientConnectionManager mgr,
            final HttpRoute route) throws ConnectionPoolTimeoutException, ExecutionException, InterruptedException {
        final ConnectionRequest connRequest = mgr.requestConnection(route, null);
        return connRequest.get(0, TimeUnit.MILLISECONDS);
    }

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        final HttpRoute route = new HttpRoute(target);


        Mockito.when(connFactory.create(
                Mockito.eq(route), Mockito.<ConnectionConfig>any())).thenReturn(conn);


        final ConnectionRequest connRequest1 = mgr.requestConnection(route, null);
        final HttpClientConnection conn1 = connRequest1.get(0, TimeUnit.MILLISECONDS);
        Assert.assertNotNull(conn1);
        Assert.assertFalse(conn1.isOpen());


        mgr.releaseConnection(conn1, null, 100, TimeUnit.MILLISECONDS);


        Assert.assertNull(mgr.getRoute());
        Assert.assertNull(mgr.getState());


        final ConnectionRequest connRequest2 = mgr.requestConnection(route, null);
        final HttpClientConnection conn2 = connRequest2.get(0, TimeUnit.MILLISECONDS);
        Assert.assertNotNull(conn2);
        Assert.assertFalse(conn2.isOpen());


        Mockito.verify(connFactory, Mockito.times(2)).create(
                Mockito.eq(route), Mockito.<ConnectionConfig>any());

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