Move services/shell to services/service_manager

services/shell/public/java/src/org/chromium/services/shell/InterfaceRegistry.java

-// Copyright 2016 The Chromium Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style license that can be
-// found in the LICENSE file.
-
-package org.chromium.services.shell;
-
-import org.chromium.mojo.bindings.Interface;
-import org.chromium.mojo.system.MessagePipeHandle;
-import org.chromium.mojo.system.MojoException;
-import org.chromium.shell.mojom.InterfaceProvider;
-
-import java.util.HashMap;
-import java.util.Map;
-
-/**
- * A registry where interfaces may be registered to be exposed to another application.
- *
- * To use, define a class that implements your specific interface. Then
- * implement an InterfaceFactory that creates instances of your implementation
- * and register that on the registry with a Manager for the interface like this:
- *
- *   registry.addInterface(InterfaceType.MANAGER, factory);
- */
-public class InterfaceRegistry implements InterfaceProvider {
-    private final Map<String, InterfaceBinder> mBinders = new HashMap<String, InterfaceBinder>();
-
-    public <I extends Interface> void addInterface(
-            Interface.Manager<I, ? extends I.Proxy> manager, InterfaceFactory<I> factory) {
-        mBinders.put(manager.getName(), new InterfaceBinder<I>(manager, factory));
-    }
-
-    public static InterfaceRegistry create(MessagePipeHandle pipe) {
-        InterfaceRegistry registry = new InterfaceRegistry();
-        InterfaceProvider.MANAGER.bind(registry, pipe);
-        return registry;
-    }
-
-    @Override
-    public void getInterface(String name, MessagePipeHandle pipe) {
-        InterfaceBinder binder = mBinders.get(name);
-        if (binder == null) {
-            return;
-        }
-        binder.bindToMessagePipe(pipe);
-    }
-
-    @Override
-    public void close() {
-        mBinders.clear();
-    }
-
-    @Override
-    public void onConnectionError(MojoException e) {
-        close();
-    }
-
-    InterfaceRegistry() {}
-
-    private static class InterfaceBinder<I extends Interface> {
-        private Interface.Manager<I, ? extends I.Proxy> mManager;
-        private InterfaceFactory<I> mFactory;
-
-        public InterfaceBinder(
-                Interface.Manager<I, ? extends I.Proxy> manager, InterfaceFactory<I> factory) {
-            mManager = manager;
-            mFactory = factory;
-        }
-
-        public void bindToMessagePipe(MessagePipeHandle pipe) {
-            I impl = mFactory.createImpl();
-            if (impl == null) {
-                pipe.close();
-                return;
-            }
-            mManager.bind(impl, pipe);
-        }
-    }
-}