100 lines
3.1 KiB
Java
100 lines
3.1 KiB
Java
/*
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* Copyright (C) 2010 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.mtp;
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import android.compat.annotation.UnsupportedAppUsage;
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import java.util.ArrayList;
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import java.util.List;
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/**
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* Encapsulates the ObjectPropList dataset used by the GetObjectPropList command.
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* The fields of this class are read by JNI code in android_media_MtpDatabase.cpp
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*/
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class MtpPropertyList {
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// list of object handles (first field in quadruplet)
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private List<Integer> mObjectHandles;
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// list of object property codes (second field in quadruplet)
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private List<Integer> mPropertyCodes;
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// list of data type codes (third field in quadruplet)
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private List<Integer> mDataTypes;
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// list of long int property values (fourth field in quadruplet, when value is integer type)
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private List<Long> mLongValues;
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// list of long int property values (fourth field in quadruplet, when value is string type)
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private List<String> mStringValues;
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// Return value of this operation
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private int mCode;
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public MtpPropertyList(int code) {
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mCode = code;
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mObjectHandles = new ArrayList<>();
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mPropertyCodes = new ArrayList<>();
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mDataTypes = new ArrayList<>();
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mLongValues = new ArrayList<>();
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mStringValues = new ArrayList<>();
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}
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@UnsupportedAppUsage
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public void append(int handle, int property, int type, long value) {
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mObjectHandles.add(handle);
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mPropertyCodes.add(property);
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mDataTypes.add(type);
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mLongValues.add(value);
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mStringValues.add(null);
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}
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@UnsupportedAppUsage
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public void append(int handle, int property, String value) {
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mObjectHandles.add(handle);
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mPropertyCodes.add(property);
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mDataTypes.add(MtpConstants.TYPE_STR);
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mStringValues.add(value);
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mLongValues.add(0L);
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}
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public int getCode() {
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return mCode;
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}
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public int getCount() {
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return mObjectHandles.size();
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}
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public int[] getObjectHandles() {
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return mObjectHandles.stream().mapToInt(Integer::intValue).toArray();
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}
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public int[] getPropertyCodes() {
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return mPropertyCodes.stream().mapToInt(Integer::intValue).toArray();
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}
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public int[] getDataTypes() {
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return mDataTypes.stream().mapToInt(Integer::intValue).toArray();
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}
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public long[] getLongValues() {
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return mLongValues.stream().mapToLong(Long::longValue).toArray();
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}
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public String[] getStringValues() {
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return mStringValues.toArray(new String[0]);
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}
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}
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