Merge "Add class for holding information about calling app"

    field @NonNull public static final android.os.Parcelable.Creator<android.service.credentials.BeginGetCredentialsResponse> CREATOR;

  }

  public final class CallingAppInfo implements android.os.Parcelable {

    ctor public CallingAppInfo(@NonNull String, @NonNull java.util.Set<android.content.pm.Signature>);

    method public int describeContents();

    method @NonNull public String getPackageName();

    method @NonNull public java.util.Set<android.content.pm.Signature> getSignatures();

    method public void writeToParcel(@NonNull android.os.Parcel, int);

    field @NonNull public static final android.os.Parcelable.Creator<android.service.credentials.CallingAppInfo> CREATOR;

  }

  public final class CreateCredentialRequest implements android.os.Parcelable {

    ctor public CreateCredentialRequest(@NonNull String, @NonNull String, @NonNull android.os.Bundle);

    method public int describeContents();

/*

 * Copyright (C) 2022 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 android.service.credentials;

import android.annotation.NonNull;

import android.content.pm.Signature;

import android.os.Parcel;

import android.os.Parcelable;

import android.util.ArraySet;

import com.android.internal.util.AnnotationValidations;

import com.android.internal.util.Preconditions;

import java.util.Objects;

import java.util.Set;

/**

 * Information pertaining to the calling application, including the package name and a list of

 * app signatures.

 */

public final class CallingAppInfo implements Parcelable {

    @NonNull private final String mPackageName;

    @NonNull private final Set<Signature> mSignatures;

    /**

     * Constructs a new instance.

     *

     * @throws IllegalArgumentException If {@code packageName} is null or empty.

     * @throws NullPointerException If {@code signatures} is null.

     */

    public CallingAppInfo(@NonNull String packageName,

            @NonNull Set<Signature> signatures) {

        mPackageName = Preconditions.checkStringNotEmpty(packageName,

                "packageName must not be null or empty");

        mSignatures = Objects.requireNonNull(signatures);

    }

    private CallingAppInfo(@NonNull Parcel in) {

        final ClassLoader boot = Object.class.getClassLoader();

        mPackageName = in.readString8();

        ArraySet<Signature> signatures = (ArraySet<Signature>) in.readArraySet(boot);

        mSignatures = signatures == null ? new ArraySet<>() : signatures;

    }

    public static final @NonNull Creator<CallingAppInfo> CREATOR = new Creator<CallingAppInfo>() {

        @Override

        public CallingAppInfo createFromParcel(Parcel in) {

            return new CallingAppInfo(in);

        }

        @Override

        public CallingAppInfo[] newArray(int size) {

            return new CallingAppInfo[size];

        }

    };

    /** Returns the package name of the source of this info. */

    @NonNull public String getPackageName() {

        return mPackageName;

    }

    /** Returns the Set of signatures belonging to the app */

    @NonNull public Set<Signature> getSignatures() {

        return mSignatures;

    }

    @Override

    public int describeContents() {

        return 0;

    }

    @Override

    public void writeToParcel(@NonNull Parcel dest, int flags) {

        dest.writeString8(mPackageName);

        dest.writeArraySet(new ArraySet<>(mSignatures));

    }

    @Override

    public String toString() {

        return "CallingAppInfo {"

                + "packageName= " + mPackageName

                + ", No. of signatures: " + mSignatures.size()

                + " }";

    }

}