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package android.taobao.atlas.runtime;
import android.content.ComponentName;
import android.content.Context;
import android.content.Intent;
import android.content.pm.PackageManager;
import android.content.pm.ResolveInfo;
import android.taobao.atlas.bundleInfo.AtlasBundleInfoManager;
import android.taobao.atlas.framework.Atlas;
import android.taobao.atlas.framework.BundleImpl;
import android.taobao.atlas.framework.Framework;
import android.taobao.atlas.runtime.newcomponent.AdditionalPackageManager;
import android.taobao.atlas.util.StringUtils;
import android.text.TextUtils;
import java.util.List;
/**
* Created by guanjie on 16/7/20.
*/
public class ServiceDetector {
public static final String ADDITIONAL_SERVICE = "atlas_external_service";
public static class DetectResult {
public static final int BUNDLE_PREPARED = 1;
public static final int BUNDLE_UNPREPARED = -1;
public static final int BUNDLE_WAIT = 0;
public int resultCode ;
public ResultListener mListener;
public void setResultListener(ResultListener listener){
mListener = listener;
}
public interface ResultListener{
void onPrepared(int resultCode);
}
}
public static DetectResult prepareServiceBundle(Intent intent, final int retryCount) {
return prepareServiceBundle(intent,retryCount,null);
}
private static DetectResult prepareServiceBundle(final Intent service, final int retryCount, final DetectResult result) {
if(service!=null) {
String componentName = findComponent(service);
if(TextUtils.isEmpty(componentName)){
return updateResult(DetectResult.BUNDLE_PREPARED,result);
}
String bundleName = AtlasBundleInfoManager.instance().getBundleForComponet(componentName);
if(TextUtils.isEmpty(bundleName)){
if(isClassExistInMaindex(componentName)){
return updateResult(DetectResult.BUNDLE_PREPARED,result);
}else{
return updateResult(DetectResult.BUNDLE_UNPREPARED,result);
}
}else{
BundleImpl impl = (BundleImpl)Atlas.getInstance().getBundle(bundleName);
if(impl!=null && impl.checkValidate()){
return updateResult(DetectResult.BUNDLE_PREPARED,result);
}else {
if(retryCount>0){
final DetectResult newResult = updateResult(DetectResult.BUNDLE_WAIT, result);
BundleUtil.checkBundleStateAsync(bundleName,
new Runnable() {
@Override
public void run() {
int newRetryCout = retryCount-1;
prepareServiceBundle(service,newRetryCout,newResult);
}
}, null);
return newResult;
}else{
DetectResult newResult = updateResult(DetectResult.BUNDLE_UNPREPARED, result);
return newResult;
}
}
}
}
return updateResult(DetectResult.BUNDLE_UNPREPARED,result);
}
private static DetectResult updateResult(int resultCode, DetectResult result){
if(result!=null && result.mListener!=null){
result.mListener.onPrepared(resultCode);
}
if(result==null){
result = new DetectResult();
}
result.resultCode = resultCode;
return result;
}
public static boolean isClassExistInMaindex(String componentName){
/*
* Try to get class from system classloader
*/
try {
Class<?> clazz = null;
clazz = Framework.getSystemClassLoader().loadClass(componentName);
if (clazz != null) {
return true;
}
} catch (ClassNotFoundException e) {
return false;
}
return false;
}
/***
* Android L (lollipop, API 21) introduced a new problem when trying to invoke implicit intent,
* "java.lang.IllegalArgumentException: Service Intent must be explicit"
*
* If you are using an implicit intent, and know only 1 target would answer this intent,
* This method will help you turn the implicit intent into the explicit form.
*
* Inspired from SO answer: http://stackoverflow.com/a/26318757/1446466
* @param context
* @param implicitIntent - The original implicit intent
* @return Explicit Intent created from the implicit original intent
*/
public static Intent createExplicitFromImplicitIntent(Context context, Intent implicitIntent) {
// Retrieve all services that can match the given intent
PackageManager pm = context.getPackageManager();
List<ResolveInfo> resolveInfo = pm.queryIntentServices(implicitIntent, 0);
// Make sure only one match was found
if (resolveInfo == null || resolveInfo.size() != 1) {
return implicitIntent;
}
// Get component info and create ComponentName
ResolveInfo serviceInfo = resolveInfo.get(0);
String packageName = serviceInfo.serviceInfo.packageName;
String className = serviceInfo.serviceInfo.name;
if(packageName!=null && packageName.equals(context.getPackageName())) {
ComponentName component = new ComponentName(packageName, className);
// Create a new intent. Use the old one for extras and such reuse
Intent explicitIntent = new Intent(implicitIntent);
// Set the component to be explicit
explicitIntent.setComponent(component);
return explicitIntent;
}else{
return implicitIntent;
}
}
public static String findComponent(Intent intent){
/*
* Get Package name and component name
*/
String packageName = null;
String componentName = null;
if (intent.getComponent() != null) {
packageName = intent.getComponent().getPackageName();
componentName = intent.getComponent().getClassName();
ResolveInfo resolveInfo = RuntimeVariables.androidApplication.getPackageManager().resolveService(intent, 0);
if (resolveInfo != null && resolveInfo.serviceInfo != null) {
if(resolveInfo instanceof AdditionalPackageManager.ExternalResolverInfo){
//set explicit component
intent.putExtra(ADDITIONAL_SERVICE,true);
}
}
} else {
ResolveInfo resolveInfo = RuntimeVariables.androidApplication.getPackageManager().resolveService(intent, 0);
if (resolveInfo != null && resolveInfo.serviceInfo != null) {
packageName = resolveInfo.serviceInfo.packageName;
if(resolveInfo instanceof AdditionalPackageManager.ExternalResolverInfo){
//set explicit component
intent.putExtra(ADDITIONAL_SERVICE,true);
intent.setClassName(RuntimeVariables.androidApplication.getPackageName(),resolveInfo.serviceInfo.name);
}
componentName = resolveInfo.serviceInfo.name;
}
}
/*
* Taobao may start a component not exist in com.taobao.taobao package
*/
if(!StringUtils.equals(RuntimeVariables.androidApplication.getPackageName(), packageName)){
return null;
}
return componentName;
}
}