Examples with ContentProvider android.content.ContentProvider used on opensource projects

Example 6 with ContentProvider

use of android.content.ContentProvider in project android_frameworks_base by crdroidandroid.

the class ActivityThread method installProvider.

/**
     * Installs the provider.
     *
     * Providers that are local to the process or that come from the system server
     * may be installed permanently which is indicated by setting noReleaseNeeded to true.
     * Other remote providers are reference counted.  The initial reference count
     * for all reference counted providers is one.  Providers that are not reference
     * counted do not have a reference count (at all).
     *
     * This method detects when a provider has already been installed.  When this happens,
     * it increments the reference count of the existing provider (if appropriate)
     * and returns the existing provider.  This can happen due to concurrent
     * attempts to acquire the same provider.
     */
private IActivityManager.ContentProviderHolder installProvider(Context context, IActivityManager.ContentProviderHolder holder, ProviderInfo info, boolean noisy, boolean noReleaseNeeded, boolean stable) {
    ContentProvider localProvider = null;
    IContentProvider provider;
    if (holder == null || holder.provider == null) {
        if (DEBUG_PROVIDER || noisy) {
            Slog.d(TAG, "Loading provider " + info.authority + ": " + info.name);
        }
        Context c = null;
        ApplicationInfo ai = info.applicationInfo;
        if (context.getPackageName().equals(ai.packageName)) {
            c = context;
        } else if (mInitialApplication != null && mInitialApplication.getPackageName().equals(ai.packageName)) {
            c = mInitialApplication;
        } else {
            try {
                c = context.createPackageContext(ai.packageName, Context.CONTEXT_INCLUDE_CODE);
            } catch (PackageManager.NameNotFoundException e) {
            // Ignore
            }
        }
        if (c == null) {
            Slog.w(TAG, "Unable to get context for package " + ai.packageName + " while loading content provider " + info.name);
            return null;
        }
        try {
            final java.lang.ClassLoader cl = c.getClassLoader();
            localProvider = (ContentProvider) cl.loadClass(info.name).newInstance();
            provider = localProvider.getIContentProvider();
            if (provider == null) {
                Slog.e(TAG, "Failed to instantiate class " + info.name + " from sourceDir " + info.applicationInfo.sourceDir);
                return null;
            }
            if (DEBUG_PROVIDER)
                Slog.v(TAG, "Instantiating local provider " + info.name);
            // XXX Need to create the correct context for this provider.
            localProvider.attachInfo(c, info);
        } catch (java.lang.Exception e) {
            if (!mInstrumentation.onException(null, e)) {
                throw new RuntimeException("Unable to get provider " + info.name + ": " + e.toString(), e);
            }
            return null;
        }
    } else {
        provider = holder.provider;
        if (DEBUG_PROVIDER)
            Slog.v(TAG, "Installing external provider " + info.authority + ": " + info.name);
    }
    IActivityManager.ContentProviderHolder retHolder;
    synchronized (mProviderMap) {
        if (DEBUG_PROVIDER)
            Slog.v(TAG, "Checking to add " + provider + " / " + info.name);
        IBinder jBinder = provider.asBinder();
        if (localProvider != null) {
            ComponentName cname = new ComponentName(info.packageName, info.name);
            ProviderClientRecord pr = mLocalProvidersByName.get(cname);
            if (pr != null) {
                if (DEBUG_PROVIDER) {
                    Slog.v(TAG, "installProvider: lost the race, " + "using existing local provider");
                }
                provider = pr.mProvider;
            } else {
                holder = new IActivityManager.ContentProviderHolder(info);
                holder.provider = provider;
                holder.noReleaseNeeded = true;
                pr = installProviderAuthoritiesLocked(provider, localProvider, holder);
                mLocalProviders.put(jBinder, pr);
                mLocalProvidersByName.put(cname, pr);
            }
            retHolder = pr.mHolder;
        } else {
            ProviderRefCount prc = mProviderRefCountMap.get(jBinder);
            if (prc != null) {
                if (DEBUG_PROVIDER) {
                    Slog.v(TAG, "installProvider: lost the race, updating ref count");
                }
                // system process).
                if (!noReleaseNeeded) {
                    incProviderRefLocked(prc, stable);
                    try {
                        ActivityManagerNative.getDefault().removeContentProvider(holder.connection, stable);
                    } catch (RemoteException e) {
                    //do nothing content provider object is dead any way
                    }
                }
            } else {
                ProviderClientRecord client = installProviderAuthoritiesLocked(provider, localProvider, holder);
                if (noReleaseNeeded) {
                    prc = new ProviderRefCount(holder, client, 1000, 1000);
                } else {
                    prc = stable ? new ProviderRefCount(holder, client, 1, 0) : new ProviderRefCount(holder, client, 0, 1);
                }
                mProviderRefCountMap.put(jBinder, prc);
            }
            retHolder = prc.holder;
        }
    }
    return retHolder;
}

Example 7 with ContentProvider

use of android.content.ContentProvider in project VirtualAPK by didi.

the class RemoteContentProvider method call.

@Override
public Bundle call(String method, String arg, Bundle extras) {
    Log.d(TAG, "call " + method + " with extras : " + extras);
    if (extras == null || extras.getString(KEY_WRAPPER_URI) == null) {
        return null;
    }
    Uri uri = Uri.parse(extras.getString(KEY_WRAPPER_URI));
    ContentProvider provider = getContentProvider(uri);
    if (provider != null) {
        return provider.call(method, arg, extras);
    }
    return null;
}

Example 8 with ContentProvider

use of android.content.ContentProvider in project VirtualAPK by didi.

the class RemoteContentProvider method delete.

@Override
public int delete(Uri uri, String selection, String[] selectionArgs) {
    ContentProvider provider = getContentProvider(uri);
    Uri pluginUri = Uri.parse(uri.getQueryParameter(KEY_URI));
    if (provider != null) {
        return provider.delete(pluginUri, selection, selectionArgs);
    }
    return 0;
}

Example 9 with ContentProvider

use of android.content.ContentProvider in project VirtualAPK by didi.

the class RemoteContentProvider method query.

@Override
public Cursor query(Uri uri, String[] projection, String selection, String[] selectionArgs, String sortOrder) {
    ContentProvider provider = getContentProvider(uri);
    Uri pluginUri = Uri.parse(uri.getQueryParameter(KEY_URI));
    if (provider != null) {
        return provider.query(pluginUri, projection, selection, selectionArgs, sortOrder);
    }
    return null;
}

Example 10 with ContentProvider

use of android.content.ContentProvider in project VirtualAPK by didi.

the class RemoteContentProvider method bulkInsert.

@Override
public int bulkInsert(Uri uri, ContentValues[] values) {
    ContentProvider provider = getContentProvider(uri);
    Uri pluginUri = Uri.parse(uri.getQueryParameter(KEY_URI));
    if (provider != null) {
        return provider.bulkInsert(pluginUri, values);
    }
    return 0;
}