- /*
- * Copyright (C) 2007 Esmertec AG.
- * Copyright (C) 2007 The Android Open Source Project
- *
- * Licensed 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.
- */
- package com.android.im.imps;
- import com.android.im.engine.ImErrorInfo;
- abstract class AsyncTransaction extends ImpsTransaction {
- private final AsyncCompletion mCompletionCallback;
- private boolean mCompletionNotified;
- protected final ImpsTransactionManager mTransManager;
- AsyncTransaction(ImpsTransactionManager manager) {
- this(manager, null);
- }
- AsyncTransaction(ImpsTransactionManager manager, AsyncCompletion completion) {
- mTransManager = manager;
- mCompletionCallback = completion;
- manager.beginClientTransaction(this);
- }
- /**
- * Sends a request within this transaction.
- *
- * @param request the request to send.
- */
- public void sendRequest(Primitive request) {
- sendPrimitive(request);
- }
- /**
- * Notify that an error occurs in the transaction.
- *
- * @param error the error
- */
- final void notifyError(ImErrorInfo error) {
- notifyErrorResponse(new ImpsErrorInfo(error.getCode(), error.getDescription(), null));
- }
- /**
- * Notify that a response from the server has arrived.
- *
- * @param response the response.
- */
- final void notifyResponse(Primitive response) {
- response.setTransaction(this);
- ImpsErrorInfo error = ImpsUtils.checkResultError(response);
- if (error != null) {
- notifyErrorResponse(error);
- } else {
- notifySuccessResponse(response);
- }
- }
- protected void notifyErrorResponse(ImpsErrorInfo error) {
- onResponseError(error);
- mTransManager.endClientTransaction(this);
- notifyAsyncCompletionError(error);
- }
- protected void notifySuccessResponse(Primitive response) {
- onResponseOk(response);
- mTransManager.endClientTransaction(this);
- notifyAsyncCompletionSuccess();
- }
- public abstract void onResponseError(ImpsErrorInfo error);
- public abstract void onResponseOk(Primitive response);
- protected void notifyAsyncCompletionError(ImErrorInfo error) {
- if (!mCompletionNotified) {
- mCompletionNotified = true;
- if (mCompletionCallback != null)
- mCompletionCallback.onError(error);
- }
- }
- protected void notifyAsyncCompletionSuccess() {
- if (!mCompletionNotified) {
- mCompletionNotified = true;
- if (mCompletionCallback != null)
- mCompletionCallback.onComplete();
- }
- }
- }