/*
*
* * Copyright 2015 Van Shu
* *
* * 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.mobimvp.cliques.util;
import com.facebook.stetho.inspector.network.DefaultResponseHandler;
import com.facebook.stetho.inspector.network.NetworkEventReporter;
import com.facebook.stetho.inspector.network.NetworkEventReporterImpl;
import com.squareup.okhttp.Connection;
import com.squareup.okhttp.Interceptor;
import com.squareup.okhttp.MediaType;
import com.squareup.okhttp.Request;
import com.squareup.okhttp.RequestBody;
import com.squareup.okhttp.Response;
import com.squareup.okhttp.ResponseBody;
import java.io.IOException;
import java.io.InputStream;
import java.util.concurrent.atomic.AtomicInteger;
import javax.annotation.Nullable;
import okio.Buffer;
import okio.BufferedSource;
import okio.Okio;
/**
* Provides easy integration with <a href="http://square.github.io/okhttp/">OkHttp</a> 2.2.0+
* by way of the new <a href="https://github.com/square/okhttp/wiki/Interceptors">Interceptor</a>
* system. To use:
* <pre>
* OkHttpClient client = new OkHttpClient();
* client.networkInterceptors().add(new StethoInterceptor());
* </pre>
*/
public class StethoInterceptor implements Interceptor {
private final NetworkEventReporter mEventReporter = NetworkEventReporterImpl.get();
private final AtomicInteger mNextRequestId = new AtomicInteger(0);
@Override
public Response intercept(Chain chain) throws IOException {
String requestId = String.valueOf(mNextRequestId.getAndIncrement());
Request request = chain.request();
int requestSize = 0;
if (mEventReporter.isEnabled()) {
OkHttpInspectorRequest inspectorRequest = new OkHttpInspectorRequest(requestId, request);
mEventReporter.requestWillBeSent(inspectorRequest);
byte[] requestBody = inspectorRequest.body();
if (requestBody != null) {
requestSize += requestBody.length;
}
}
Response response;
try {
response = chain.proceed(request);
} catch (IOException e) {
if (mEventReporter.isEnabled()) {
mEventReporter.httpExchangeFailed(requestId, e.toString());
}
throw e;
}
if (mEventReporter.isEnabled()) {
if (requestSize > 0) {
mEventReporter.dataSent(requestId, requestSize, requestSize);
}
Connection connection = chain.connection();
mEventReporter.responseHeadersReceived(
new OkHttpInspectorResponse(
requestId,
request,
response,
connection));
ResponseBody body = response.body();
MediaType contentType = null;
InputStream responseStream = null;
if (body != null) {
contentType = body.contentType();
responseStream = body.byteStream();
}
responseStream = mEventReporter.interpretResponseStream(
requestId,
contentType != null ? contentType.toString() : null,
response.header("Content-Encoding"),
responseStream,
new DefaultResponseHandler(mEventReporter, requestId));
if (responseStream != null) {
response = response.newBuilder()
.body(new ForwardingResponseBody(body, responseStream))
.build();
}
}
return response;
}
private static class OkHttpInspectorRequest implements NetworkEventReporter.InspectorRequest {
private final String mRequestId;
private final Request mRequest;
private byte[] mBody;
private boolean mBodyGenerated;
public OkHttpInspectorRequest(String requestId, Request request) {
mRequestId = requestId;
mRequest = request;
}
@Override
public String id() {
return mRequestId;
}
@Override
public String friendlyName() {
// Hmm, can we do better? tag() perhaps?
return null;
}
@Nullable
@Override
public Integer friendlyNameExtra() {
return null;
}
@Override
public String url() {
return mRequest.urlString();
}
@Override
public String method() {
return mRequest.method();
}
@Nullable
@Override
public byte[] body() throws IOException {
if (!mBodyGenerated) {
mBodyGenerated = true;
mBody = generateBody();
}
return mBody;
}
private byte[] generateBody() throws IOException {
RequestBody body = mRequest.body();
if (body == null) {
return null;
}
Buffer buffer = new Buffer();
body.writeTo(buffer);
return buffer.readByteArray();
}
@Override
public int headerCount() {
return mRequest.headers().size();
}
@Override
public String headerName(int index) {
return mRequest.headers().name(index);
}
@Override
public String headerValue(int index) {
return mRequest.headers().value(index);
}
@Nullable
@Override
public String firstHeaderValue(String name) {
return mRequest.header(name);
}
}
private static class OkHttpInspectorResponse implements NetworkEventReporter.InspectorResponse {
private final String mRequestId;
private final Request mRequest;
private final Response mResponse;
private final Connection mConnection;
public OkHttpInspectorResponse(
String requestId,
Request request,
Response response,
Connection connection) {
mRequestId = requestId;
mRequest = request;
mResponse = response;
mConnection = connection;
}
@Override
public String requestId() {
return mRequestId;
}
@Override
public String url() {
return mRequest.urlString();
}
@Override
public int statusCode() {
return mResponse.code();
}
@Override
public String reasonPhrase() {
return mResponse.message();
}
@Override
public boolean connectionReused() {
// Not sure...
return false;
}
@Override
public int connectionId() {
return mConnection.hashCode();
}
@Override
public boolean fromDiskCache() {
return mResponse.cacheResponse() != null;
}
@Override
public int headerCount() {
return mResponse.headers().size();
}
@Override
public String headerName(int index) {
return mResponse.headers().name(index);
}
@Override
public String headerValue(int index) {
return mResponse.headers().value(index);
}
@Nullable
@Override
public String firstHeaderValue(String name) {
return mResponse.header(name);
}
}
private static class ForwardingResponseBody extends ResponseBody {
private final ResponseBody mBody;
private final BufferedSource mInterceptedSource;
public ForwardingResponseBody(ResponseBody body, InputStream interceptedStream) {
mBody = body;
mInterceptedSource = Okio.buffer(Okio.source(interceptedStream));
}
@Override
public MediaType contentType() {
return mBody.contentType();
}
@Override
public long contentLength() {
return mBody.contentLength();
}
@Override
public BufferedSource source() {
// close on the delegating body will actually close this intercepted source, but it
// was derived from mBody.byteStream() therefore the close will be forwarded all the
// way to the original.
return mInterceptedSource;
}
}
}