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      1 /*
      2  * Copyright (C) 2011 The Android Open Source Project
      3  *
      4  * Licensed under the Apache License, Version 2.0 (the "License");
      5  * you may not use this file except in compliance with the License.
      6  * You may obtain a copy of the License at
      7  *
      8  *      http://www.apache.org/licenses/LICENSE-2.0
      9  *
     10  * Unless required by applicable law or agreed to in writing, software
     11  * distributed under the License is distributed on an "AS IS" BASIS,
     12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
     13  * See the License for the specific language governing permissions and
     14  * limitations under the License.
     15  */
     16 
     17 package android.content.pm;
     18 
     19 import android.os.Parcel;
     20 import android.os.Parcelable;
     21 
     22 import java.security.PublicKey;
     23 
     24 /**
     25  * Contains information about a package verifier as used by
     26  * {@code PackageManagerService} during package verification.
     27  *
     28  * @hide
     29  */
     30 public class VerifierInfo implements Parcelable {
     31     /** Package name of the verifier. */
     32     public final String packageName;
     33 
     34     /** Signatures used to sign the package verifier's package. */
     35     public final PublicKey publicKey;
     36 
     37     /**
     38      * Creates an object that represents a verifier info object.
     39      *
     40      * @param packageName the package name in Java-style. Must not be {@code
     41      *            null} or empty.
     42      * @param publicKey the public key for the signer encoded in Base64. Must
     43      *            not be {@code null} or empty.
     44      * @throws IllegalArgumentException if either argument is null or empty.
     45      */
     46     public VerifierInfo(String packageName, PublicKey publicKey) {
     47         if (packageName == null || packageName.length() == 0) {
     48             throw new IllegalArgumentException("packageName must not be null or empty");
     49         } else if (publicKey == null) {
     50             throw new IllegalArgumentException("publicKey must not be null");
     51         }
     52 
     53         this.packageName = packageName;
     54         this.publicKey = publicKey;
     55     }
     56 
     57     private VerifierInfo(Parcel source) {
     58         packageName = source.readString();
     59         publicKey = (PublicKey) source.readSerializable();
     60     }
     61 
     62     @Override
     63     public int describeContents() {
     64         return 0;
     65     }
     66 
     67     @Override
     68     public void writeToParcel(Parcel dest, int flags) {
     69         dest.writeString(packageName);
     70         dest.writeSerializable(publicKey);
     71     }
     72 
     73     public static final Parcelable.Creator<VerifierInfo> CREATOR
     74             = new Parcelable.Creator<VerifierInfo>() {
     75         public VerifierInfo createFromParcel(Parcel source) {
     76             return new VerifierInfo(source);
     77         }
     78 
     79         public VerifierInfo[] newArray(int size) {
     80             return new VerifierInfo[size];
     81         }
     82     };
     83 }