128 lines
3.4 KiB
Java
128 lines
3.4 KiB
Java
/*
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* Copyright (C) 2023 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package android.app.admin;
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import android.annotation.NonNull;
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import android.annotation.Nullable;
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import android.annotation.SuppressLint;
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import android.annotation.SystemApi;
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import android.os.Bundle;
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import android.os.Parcelable;
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import com.android.modules.utils.TypedXmlPullParser;
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import com.android.modules.utils.TypedXmlSerializer;
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import android.util.Log;
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import org.xmlpull.v1.XmlPullParserException;
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import java.io.IOException;
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import java.util.Objects;
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/**
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* Abstract class used to identify a policy returned from
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* {@link DevicePolicyManager#getDevicePolicyState()}.
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*
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* @hide
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*/
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// This is ok as the constructor is hidden and all subclasses have implemented Parcelable.
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@SuppressLint({"ParcelNotFinal", "ParcelCreator"})
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@SystemApi
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public abstract class PolicyKey implements Parcelable {
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static final String TAG = "PolicyKey";
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/**
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* @hide
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*/
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static final String ATTR_POLICY_IDENTIFIER = "policy-identifier";
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private final String mIdentifier;
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/**
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* @hide
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*/
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protected PolicyKey(@NonNull String identifier) {
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mIdentifier = Objects.requireNonNull(identifier);
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}
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/**
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* Returns the string identifier for this policy.
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*/
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@NonNull
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public String getIdentifier() {
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return mIdentifier;
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}
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/**
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* @hide
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*/
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public boolean hasSameIdentifierAs(PolicyKey other) {
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if (other == null) {
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return false;
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}
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return mIdentifier.equals(other.mIdentifier);
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}
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/**
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* @hide
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*/
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@Nullable
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public static PolicyKey readGenericPolicyKeyFromXml(TypedXmlPullParser parser) {
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String identifier = parser.getAttributeValue(
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/* namespace= */ null, ATTR_POLICY_IDENTIFIER);
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if (identifier == null) {
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Log.wtf(TAG, "Error parsing generic policy key, identifier is null.");
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return null;
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}
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return new NoArgsPolicyKey(identifier);
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}
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/**
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* @hide
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*/
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public void saveToXml(TypedXmlSerializer serializer) throws IOException {
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serializer.attribute(/* namespace= */ null, ATTR_POLICY_IDENTIFIER, mIdentifier);
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}
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/**
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* @hide
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*/
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public PolicyKey readFromXml(TypedXmlPullParser parser)
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throws XmlPullParserException, IOException {
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// No need to read anything
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return this;
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}
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/**
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* @hide
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*/
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public abstract void writeToBundle(Bundle bundle);
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@Override
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public boolean equals(@Nullable Object o) {
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if (this == o) return true;
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if (o == null || getClass() != o.getClass()) return false;
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PolicyKey other = (PolicyKey) o;
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return Objects.equals(mIdentifier, other.mIdentifier);
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}
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@Override
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public int hashCode() {
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return Objects.hash(mIdentifier);
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}
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}
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