Copyright (c) 2015, 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.
/**
 * Copyright (c) 2015, 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.security;

import android.os.Parcel;
import android.os.Parcelable;

Class for handling the additional arguments to some keystore binder calls.
This must be kept in sync with the deserialization code in system/security/keystore.
@hide
/**
 * Class for handling the additional arguments to some keystore binder calls.
 * This must be kept in sync with the deserialization code in system/security/keystore.
 * @hide
 */
public class KeystoreArguments implements Parcelable {
    public byte[][] args;

    public static final Parcelable.Creator<KeystoreArguments> CREATOR = new
            Parcelable.Creator<KeystoreArguments>() {
                public KeystoreArguments createFromParcel(Parcel in) {
                    return new KeystoreArguments(in);
                }
                public KeystoreArguments[] newArray(int size) {
                    return new KeystoreArguments[size];
                }
            };

    public KeystoreArguments() {
        args = null;
    }

    public KeystoreArguments(byte[][] args) {
        this.args = args;
    }

    private KeystoreArguments(Parcel in) {
        readFromParcel(in);
    }

    @Override
    public void writeToParcel(Parcel out, int flags) {
        if (args == null) {
            out.writeInt(0);
        } else {
            out.writeInt(args.length);
            for (byte[] arg : args) {
                out.writeByteArray(arg);
            }
        }
    }

    private void readFromParcel(Parcel in) {
        int length = in.readInt();
        args = new byte[length][];
        for (int i = 0; i < length; i++) {
            args[i] = in.createByteArray();
        }
    }

    @Override
    public int describeContents() {
        return 0;
    }
}