diff -r 000000000000 -r 6474c204b198 mobile/android/thirdparty/ch/boye/httpclientandroidlib/conn/OperatedClientConnection.java --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/mobile/android/thirdparty/ch/boye/httpclientandroidlib/conn/OperatedClientConnection.java Wed Dec 31 06:09:35 2014 +0100 @@ -0,0 +1,152 @@ +/* + * ==================================================================== + * Licensed to the Apache Software Foundation (ASF) under one + * or more contributor license agreements. See the NOTICE file + * distributed with this work for additional information + * regarding copyright ownership. The ASF licenses this file + * to you under the Apache License, Version 2.0 (the + * "License"); you may not use this file except in compliance + * with the License. You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, + * software distributed under the License is distributed on an + * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY + * KIND, either express or implied. See the License for the + * specific language governing permissions and limitations + * under the License. + * ==================================================================== + * + * This software consists of voluntary contributions made by many + * individuals on behalf of the Apache Software Foundation. For more + * information on the Apache Software Foundation, please see + * . + * + */ + +package ch.boye.httpclientandroidlib.conn; + +import java.io.IOException; +import java.net.Socket; + +import ch.boye.httpclientandroidlib.HttpClientConnection; +import ch.boye.httpclientandroidlib.HttpHost; +import ch.boye.httpclientandroidlib.HttpInetConnection; +import ch.boye.httpclientandroidlib.params.HttpParams; + +/** + * A client-side connection that relies on outside logic to connect sockets to the + * appropriate hosts. It can be operated directly by an application, or through an + * {@link ClientConnectionOperator operator}. + * + * @since 4.0 + */ +public interface OperatedClientConnection extends HttpClientConnection, HttpInetConnection { + + /** + * Obtains the target host for this connection. + * If the connection is to a proxy but not tunnelled, this is + * the proxy. If the connection is tunnelled through a proxy, + * this is the target of the tunnel. + *
+ * The return value is well-defined only while the connection is open. + * It may change even while the connection is open, + * because of an {@link #update update}. + * + * @return the host to which this connection is opened + */ + HttpHost getTargetHost(); + + /** + * Indicates whether this connection is secure. + * The return value is well-defined only while the connection is open. + * It may change even while the connection is open, + * because of an {@link #update update}. + * + * @return true if this connection is secure, + * false otherwise + */ + boolean isSecure(); + + /** + * Obtains the socket for this connection. + * The return value is well-defined only while the connection is open. + * It may change even while the connection is open, + * because of an {@link #update update}. + * + * @return the socket for communicating with the + * {@link #getTargetHost target host} + */ + Socket getSocket(); + + /** + * Signals that this connection is in the process of being open. + *

+ * By calling this method, the connection can be re-initialized + * with a new Socket instance before {@link #openCompleted} is called. + * This enabled the connection to close that socket if + * {@link ch.boye.httpclientandroidlib.HttpConnection#shutdown shutdown} + * is called before it is fully open. Closing an unconnected socket + * will interrupt a thread that is blocked on the connect. + * Otherwise, that thread will either time out on the connect, + * or it returns successfully and then opens this connection + * which was just shut down. + *

+ * This method can be called multiple times if the connection + * is layered over another protocol. Note: This method + * will not close the previously used socket. It is + * the caller's responsibility to close that socket if it is + * no longer required. + *

+ * The caller must invoke {@link #openCompleted} in order to complete + * the process. + * + * @param sock the unconnected socket which is about to + * be connected. + * @param target the target host of this connection + */ + void opening(Socket sock, HttpHost target) + throws IOException; + + /** + * Signals that the connection has been successfully open. + * An attempt to call this method on an open connection will cause + * an exception. + * + * @param secure true if this connection is secure, for + * example if an SSLSocket is used, or + * false if it is not secure + * @param params parameters for this connection. The parameters will + * be used when creating dependent objects, for example + * to determine buffer sizes. + */ + void openCompleted(boolean secure, HttpParams params) + throws IOException; + + /** + * Updates this connection. + * A connection can be updated only while it is open. + * Updates are used for example when a tunnel has been established, + * or when a TLS/SSL connection has been layered on top of a plain + * socket connection. + *
+ * Note: Updating the connection will not close the + * previously used socket. It is the caller's responsibility to close + * that socket if it is no longer required. + * + * @param sock the new socket for communicating with the target host, + * or null to continue using the old socket. + * If null is passed, helper objects that + * depend on the socket should be re-used. In that case, + * some changes in the parameters will not take effect. + * @param target the new target host of this connection + * @param secure true if this connection is now secure, + * false if it is not secure + * @param params new parameters for this connection + */ + void update(Socket sock, HttpHost target, + boolean secure, HttpParams params) + throws IOException; + +}