Apply package name size limit to packages

Fixes: 336214088
Test: btest android.devicepolicy.cts.PermitInputMethodsTest#setPermittedInputMethods_packageNameTooLong_throwsException[IncludeRunOnProfileOwnerProfileWithNoDeviceOwner]
Change-Id: If6625fff147e095e1ac81d6ad1815772dbea80ab
diff --git a/core/java/android/app/admin/StringSetPolicyValue.java b/core/java/android/app/admin/PackageSetPolicyValue.java
similarity index 71%
rename from core/java/android/app/admin/StringSetPolicyValue.java
rename to core/java/android/app/admin/PackageSetPolicyValue.java
index 12b11f4..8b253a2 100644
--- a/core/java/android/app/admin/StringSetPolicyValue.java
+++ b/core/java/android/app/admin/PackageSetPolicyValue.java
@@ -28,18 +28,18 @@
 /**
  * @hide
  */
-public final class StringSetPolicyValue extends PolicyValue<Set<String>> {
+public final class PackageSetPolicyValue extends PolicyValue<Set<String>> {
 
-    public StringSetPolicyValue(@NonNull Set<String> value) {
+    public PackageSetPolicyValue(@NonNull Set<String> value) {
         super(value);
         if (Flags.devicePolicySizeTrackingInternalBugFixEnabled()) {
-            for (String str : value) {
-                PolicySizeVerifier.enforceMaxStringLength(str, "policyValue");
+            for (String packageName : value) {
+                PolicySizeVerifier.enforceMaxPackageNameLength(packageName);
             }
         }
     }
 
-    public StringSetPolicyValue(Parcel source) {
+    public PackageSetPolicyValue(Parcel source) {
         this(readValues(source));
     }
 
@@ -56,7 +56,7 @@
     public boolean equals(@Nullable Object o) {
         if (this == o) return true;
         if (o == null || getClass() != o.getClass()) return false;
-        StringSetPolicyValue other = (StringSetPolicyValue) o;
+        PackageSetPolicyValue other = (PackageSetPolicyValue) o;
         return Objects.equals(getValue(), other.getValue());
     }
 
@@ -67,7 +67,7 @@
 
     @Override
     public String toString() {
-        return "StringSetPolicyValue { " + getValue() + " }";
+        return "PackageNameSetPolicyValue { " + getValue() + " }";
     }
 
     @Override
@@ -84,16 +84,16 @@
     }
 
     @NonNull
-    public static final Creator<StringSetPolicyValue> CREATOR =
-            new Creator<StringSetPolicyValue>() {
+    public static final Creator<PackageSetPolicyValue> CREATOR =
+            new Creator<PackageSetPolicyValue>() {
                 @Override
-                public StringSetPolicyValue createFromParcel(Parcel source) {
-                    return new StringSetPolicyValue(source);
+                public PackageSetPolicyValue createFromParcel(Parcel source) {
+                    return new PackageSetPolicyValue(source);
                 }
 
                 @Override
-                public StringSetPolicyValue[] newArray(int size) {
-                    return new StringSetPolicyValue[size];
+                public PackageSetPolicyValue[] newArray(int size) {
+                    return new PackageSetPolicyValue[size];
                 }
             };
 }
diff --git a/services/devicepolicy/java/com/android/server/devicepolicy/DevicePolicyManagerService.java b/services/devicepolicy/java/com/android/server/devicepolicy/DevicePolicyManagerService.java
index dd173af..375fc5a 100644
--- a/services/devicepolicy/java/com/android/server/devicepolicy/DevicePolicyManagerService.java
+++ b/services/devicepolicy/java/com/android/server/devicepolicy/DevicePolicyManagerService.java
@@ -349,8 +349,8 @@
 import android.app.admin.PreferentialNetworkServiceConfig;
 import android.app.admin.SecurityLog;
 import android.app.admin.SecurityLog.SecurityEvent;
+import android.app.admin.PackageSetPolicyValue;
 import android.app.admin.StartInstallingUpdateCallback;
-import android.app.admin.StringSetPolicyValue;
 import android.app.admin.SystemUpdateInfo;
 import android.app.admin.SystemUpdatePolicy;
 import android.app.admin.UnsafeStateException;
@@ -12073,7 +12073,7 @@
                 mDevicePolicyEngine.setLocalPolicy(
                         PolicyDefinition.PERMITTED_INPUT_METHODS,
                         admin,
-                        new StringSetPolicyValue(new HashSet<>(packageList)),
+                        new PackageSetPolicyValue(new HashSet<>(packageList)),
                         userId);
             }
         }
@@ -20358,12 +20358,12 @@
             mDevicePolicyEngine.setGlobalPolicy(
                     PolicyDefinition.USER_CONTROLLED_DISABLED_PACKAGES,
                     enforcingAdmin,
-                    new StringSetPolicyValue(packages));
+                    new PackageSetPolicyValue(packages));
         } else {
             mDevicePolicyEngine.setLocalPolicy(
                     PolicyDefinition.USER_CONTROLLED_DISABLED_PACKAGES,
                     enforcingAdmin,
-                    new StringSetPolicyValue(packages),
+                    new PackageSetPolicyValue(packages),
                     caller.getUserId());
         }
     }
@@ -24045,7 +24045,7 @@
                         mDevicePolicyEngine.setLocalPolicy(
                                 PolicyDefinition.PERMITTED_INPUT_METHODS,
                                 enforcingAdmin,
-                                new StringSetPolicyValue(
+                                new PackageSetPolicyValue(
                                         new HashSet<>(admin.permittedInputMethods)),
                                 admin.getUserHandle().getIdentifier());
                     }
@@ -24054,7 +24054,7 @@
                         mDevicePolicyEngine.setLocalPolicy(
                                 PolicyDefinition.PERMITTED_INPUT_METHODS,
                                 enforcingAdmin,
-                                new StringSetPolicyValue(
+                                new PackageSetPolicyValue(
                                         new HashSet<>(admin.getParentActiveAdmin()
                                                 .permittedInputMethods)),
                                 getProfileParentId(admin.getUserHandle().getIdentifier()));
@@ -24110,12 +24110,14 @@
                         mDevicePolicyEngine.setGlobalPolicy(
                                 PolicyDefinition.USER_CONTROLLED_DISABLED_PACKAGES,
                                 enforcingAdmin,
-                                new StringSetPolicyValue(new HashSet<>(admin.protectedPackages)));
+                                new PackageSetPolicyValue(
+                                        new HashSet<>(admin.protectedPackages)));
                     } else {
                         mDevicePolicyEngine.setLocalPolicy(
                                 PolicyDefinition.USER_CONTROLLED_DISABLED_PACKAGES,
                                 enforcingAdmin,
-                                new StringSetPolicyValue(new HashSet<>(admin.protectedPackages)),
+                                new PackageSetPolicyValue(
+                                        new HashSet<>(admin.protectedPackages)),
                                 admin.getUserHandle().getIdentifier());
                     }
                 }
diff --git a/services/devicepolicy/java/com/android/server/devicepolicy/StringSetPolicySerializer.java b/services/devicepolicy/java/com/android/server/devicepolicy/PackageSetPolicySerializer.java
similarity index 87%
rename from services/devicepolicy/java/com/android/server/devicepolicy/StringSetPolicySerializer.java
rename to services/devicepolicy/java/com/android/server/devicepolicy/PackageSetPolicySerializer.java
index a9d65ac..c4da029 100644
--- a/services/devicepolicy/java/com/android/server/devicepolicy/StringSetPolicySerializer.java
+++ b/services/devicepolicy/java/com/android/server/devicepolicy/PackageSetPolicySerializer.java
@@ -19,7 +19,7 @@
 import android.annotation.NonNull;
 import android.annotation.Nullable;
 import android.app.admin.PolicyValue;
-import android.app.admin.StringSetPolicyValue;
+import android.app.admin.PackageSetPolicyValue;
 import android.util.Log;
 
 import com.android.modules.utils.TypedXmlPullParser;
@@ -30,7 +30,7 @@
 import java.util.Set;
 
 // TODO(scottjonathan): Replace with generic set implementation
-final class StringSetPolicySerializer extends PolicySerializer<Set<String>> {
+final class PackageSetPolicySerializer extends PolicySerializer<Set<String>> {
     private static final String ATTR_VALUES = "strings";
     private static final String ATTR_VALUES_SEPARATOR = ";";
     @Override
@@ -45,10 +45,10 @@
     PolicyValue<Set<String>> readFromXml(TypedXmlPullParser parser) {
         String valuesStr = parser.getAttributeValue(/* namespace= */ null, ATTR_VALUES);
         if (valuesStr == null) {
-            Log.e(DevicePolicyEngine.TAG, "Error parsing StringSet policy value.");
+            Log.e(DevicePolicyEngine.TAG, "Error parsing PackageSet policy value.");
             return null;
         }
         Set<String> values = Set.of(valuesStr.split(ATTR_VALUES_SEPARATOR));
-        return new StringSetPolicyValue(values);
+        return new PackageSetPolicyValue(values);
     }
 }
diff --git a/services/devicepolicy/java/com/android/server/devicepolicy/StringSetUnion.java b/services/devicepolicy/java/com/android/server/devicepolicy/PackageSetUnion.java
similarity index 79%
rename from services/devicepolicy/java/com/android/server/devicepolicy/StringSetUnion.java
rename to services/devicepolicy/java/com/android/server/devicepolicy/PackageSetUnion.java
index 5298960..d1e241b 100644
--- a/services/devicepolicy/java/com/android/server/devicepolicy/StringSetUnion.java
+++ b/services/devicepolicy/java/com/android/server/devicepolicy/PackageSetUnion.java
@@ -18,14 +18,15 @@
 
 import android.annotation.NonNull;
 import android.app.admin.PolicyValue;
-import android.app.admin.StringSetPolicyValue;
+import android.app.admin.PackageSetPolicyValue;
+import android.app.admin.StringSetUnion;
 
 import java.util.HashSet;
 import java.util.LinkedHashMap;
 import java.util.Objects;
 import java.util.Set;
 
-final class StringSetUnion extends ResolutionMechanism<Set<String>> {
+final class PackageSetUnion extends ResolutionMechanism<Set<String>> {
 
     @Override
     PolicyValue<Set<String>> resolve(
@@ -38,17 +39,17 @@
         for (PolicyValue<Set<String>> policy : adminPolicies.values()) {
             unionOfPolicies.addAll(policy.getValue());
         }
-        return new StringSetPolicyValue(unionOfPolicies);
+        return new PackageSetPolicyValue(unionOfPolicies);
     }
 
     @Override
-    android.app.admin.StringSetUnion getParcelableResolutionMechanism() {
-        return new android.app.admin.StringSetUnion();
+    StringSetUnion getParcelableResolutionMechanism() {
+        return new StringSetUnion();
     }
 
 
     @Override
     public String toString() {
-        return "SetUnion {}";
+        return "PackageSetUnion {}";
     }
 }
diff --git a/services/devicepolicy/java/com/android/server/devicepolicy/PolicyDefinition.java b/services/devicepolicy/java/com/android/server/devicepolicy/PolicyDefinition.java
index 9a73d5e..8d980b5 100644
--- a/services/devicepolicy/java/com/android/server/devicepolicy/PolicyDefinition.java
+++ b/services/devicepolicy/java/com/android/server/devicepolicy/PolicyDefinition.java
@@ -162,9 +162,9 @@
             new PolicyDefinition<>(
                     new NoArgsPolicyKey(
                             DevicePolicyIdentifiers.USER_CONTROL_DISABLED_PACKAGES_POLICY),
-                    new StringSetUnion(),
+                    new PackageSetUnion(),
                     PolicyEnforcerCallbacks::setUserControlDisabledPackages,
-                    new StringSetPolicySerializer());
+                    new PackageSetPolicySerializer());
 
     // This is saved in the static map sPolicyDefinitions so that we're able to reconstruct the
     // actual policy with the correct arguments (i.e. packageName) when reading the policies from
@@ -328,7 +328,7 @@
             new MostRecent<>(),
             POLICY_FLAG_LOCAL_ONLY_POLICY | POLICY_FLAG_INHERITABLE,
             (Set<String> value, Context context, Integer userId, PolicyKey policyKey) -> true,
-            new StringSetPolicySerializer());
+            new PackageSetPolicySerializer());
 
 
     static PolicyDefinition<Boolean> SCREEN_CAPTURE_DISABLED = new PolicyDefinition<>(