7da659bb6c
This commit is part of a large scale change to fix errorprone errors that have been downgraded to warnings in the android source tree, so that they can be promoted to errors again. The full list of changes include the following, but not all will be present in any one individual commit: BadAnnotationImplementation BadShiftAmount BanJNDI BoxedPrimitiveEquality ComparableType ComplexBooleanConstant CollectionToArraySafeParameter ConditionalExpressionNumericPromotion DangerousLiteralNull DoubleBraceInitialization DurationFrom DurationTemporalUnit EmptyTopLevelDeclaration EqualsNull EqualsReference FormatString FromTemporalAccessor GetClassOnAnnotation GetClassOnClass HashtableContains IdentityBinaryExpression IdentityHashMapBoxing InstantTemporalUnit InvalidTimeZoneID InvalidZoneId IsInstanceIncompatibleType JUnitParameterMethodNotFound LockOnBoxedPrimitive MathRoundIntLong MislabeledAndroidString MisusedDayOfYear MissingSuperCall MisusedWeekYear ModifyingCollectionWithItself NoCanIgnoreReturnValueOnClasses NonRuntimeAnnotation NullableOnContainingClass NullTernary OverridesJavaxInjectableMethod ParcelableCreator PeriodFrom PreconditionsInvalidPlaceholder ProtoBuilderReturnValueIgnored ProtoFieldNullComparison RandomModInteger RectIntersectReturnValueIgnored ReturnValueIgnored SelfAssignment SelfComparison SelfEquals SizeGreaterThanOrEqualsZero StringBuilderInitWithChar TreeToString TryFailThrowable UnnecessaryCheckNotNull UnusedCollectionModifiedInPlace XorPower See https://errorprone.info/bugpatterns for more information on the checks. Bug: 253827323 Test: m RUN_ERROR_PRONE=true javac-check Change-Id: I8446f9076a45ebf7e7ffa06cb0d4ddb1001b6c00
289 lines
12 KiB
Java
289 lines
12 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.content.ContentProviderClient;
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import android.database.Cursor;
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import android.net.Uri;
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import android.os.RemoteException;
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import android.provider.MediaStore.Audio;
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import android.provider.MediaStore.Files;
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import android.provider.MediaStore.Images;
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import android.util.Log;
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import java.util.ArrayList;
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/**
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* MtpPropertyGroup represents a list of MTP properties.
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* {@hide}
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*/
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class MtpPropertyGroup {
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private static final String TAG = MtpPropertyGroup.class.getSimpleName();
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private class Property {
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int code;
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int type;
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int column;
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Property(int code, int type, int column) {
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this.code = code;
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this.type = type;
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this.column = column;
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}
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}
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// list of all properties in this group
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private final Property[] mProperties;
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// list of columns for database query
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private String[] mColumns;
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private static final String PATH_WHERE = Files.FileColumns.DATA + "=?";
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// constructs a property group for a list of properties
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public MtpPropertyGroup(int[] properties) {
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int count = properties.length;
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ArrayList<String> columns = new ArrayList<>(count);
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columns.add(Files.FileColumns._ID);
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mProperties = new Property[count];
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for (int i = 0; i < count; i++) {
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mProperties[i] = createProperty(properties[i], columns);
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}
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count = columns.size();
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mColumns = new String[count];
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for (int i = 0; i < count; i++) {
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mColumns[i] = columns.get(i);
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}
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}
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private Property createProperty(int code, ArrayList<String> columns) {
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String column = null;
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int type;
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switch (code) {
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case MtpConstants.PROPERTY_STORAGE_ID:
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type = MtpConstants.TYPE_UINT32;
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break;
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case MtpConstants.PROPERTY_OBJECT_FORMAT:
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type = MtpConstants.TYPE_UINT16;
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break;
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case MtpConstants.PROPERTY_PROTECTION_STATUS:
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type = MtpConstants.TYPE_UINT16;
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break;
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case MtpConstants.PROPERTY_OBJECT_SIZE:
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type = MtpConstants.TYPE_UINT64;
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break;
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case MtpConstants.PROPERTY_OBJECT_FILE_NAME:
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type = MtpConstants.TYPE_STR;
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break;
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case MtpConstants.PROPERTY_NAME:
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type = MtpConstants.TYPE_STR;
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break;
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case MtpConstants.PROPERTY_DATE_MODIFIED:
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type = MtpConstants.TYPE_STR;
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break;
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case MtpConstants.PROPERTY_DATE_ADDED:
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type = MtpConstants.TYPE_STR;
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break;
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case MtpConstants.PROPERTY_ORIGINAL_RELEASE_DATE:
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column = Audio.AudioColumns.YEAR;
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type = MtpConstants.TYPE_STR;
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break;
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case MtpConstants.PROPERTY_PARENT_OBJECT:
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type = MtpConstants.TYPE_UINT32;
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break;
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case MtpConstants.PROPERTY_PERSISTENT_UID:
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type = MtpConstants.TYPE_UINT128;
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break;
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case MtpConstants.PROPERTY_DURATION:
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column = Audio.AudioColumns.DURATION;
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type = MtpConstants.TYPE_UINT32;
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break;
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case MtpConstants.PROPERTY_TRACK:
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column = Audio.AudioColumns.TRACK;
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type = MtpConstants.TYPE_UINT16;
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break;
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case MtpConstants.PROPERTY_DISPLAY_NAME:
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type = MtpConstants.TYPE_STR;
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break;
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case MtpConstants.PROPERTY_ARTIST:
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column = Audio.AudioColumns.ARTIST;
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type = MtpConstants.TYPE_STR;
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break;
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case MtpConstants.PROPERTY_ALBUM_NAME:
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column = Audio.AudioColumns.ALBUM;
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type = MtpConstants.TYPE_STR;
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break;
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case MtpConstants.PROPERTY_ALBUM_ARTIST:
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column = Audio.AudioColumns.ALBUM_ARTIST;
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type = MtpConstants.TYPE_STR;
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break;
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case MtpConstants.PROPERTY_GENRE:
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column = Audio.AudioColumns.GENRE;
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type = MtpConstants.TYPE_STR;
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break;
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case MtpConstants.PROPERTY_COMPOSER:
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column = Audio.AudioColumns.COMPOSER;
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type = MtpConstants.TYPE_STR;
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break;
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case MtpConstants.PROPERTY_DESCRIPTION:
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column = Images.ImageColumns.DESCRIPTION;
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type = MtpConstants.TYPE_STR;
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break;
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case MtpConstants.PROPERTY_AUDIO_WAVE_CODEC:
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case MtpConstants.PROPERTY_AUDIO_BITRATE:
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case MtpConstants.PROPERTY_SAMPLE_RATE:
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// these are special cased
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type = MtpConstants.TYPE_UINT32;
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break;
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case MtpConstants.PROPERTY_BITRATE_TYPE:
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case MtpConstants.PROPERTY_NUMBER_OF_CHANNELS:
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// these are special cased
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type = MtpConstants.TYPE_UINT16;
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break;
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default:
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type = MtpConstants.TYPE_UNDEFINED;
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Log.e(TAG, "unsupported property " + code);
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break;
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}
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if (column != null) {
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columns.add(column);
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return new Property(code, type, columns.size() - 1);
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} else {
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return new Property(code, type, -1);
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}
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}
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/**
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* Gets the values of the properties represented by this property group for the given
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* object and adds them to the given property list.
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* @return Response_OK if the operation succeeded.
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*/
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public int getPropertyList(ContentProviderClient provider, String volumeName,
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MtpStorageManager.MtpObject object, MtpPropertyList list) {
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Cursor c = null;
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int id = object.getId();
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String path = object.getPath().toString();
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for (Property property : mProperties) {
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if (property.column != -1 && c == null) {
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try {
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// Look up the entry in MediaProvider only if one of those properties is needed.
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final Uri uri = MtpDatabase.getObjectPropertiesUri(object.getFormat(),
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volumeName);
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c = provider.query(uri, mColumns,
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PATH_WHERE, new String[] {path}, null, null);
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if (c != null && !c.moveToNext()) {
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c.close();
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c = null;
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}
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} catch (IllegalArgumentException e) {
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return MtpConstants.RESPONSE_INVALID_OBJECT_PROP_CODE;
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} catch (RemoteException e) {
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Log.e(TAG, "Mediaprovider lookup failed");
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}
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}
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switch (property.code) {
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case MtpConstants.PROPERTY_PROTECTION_STATUS:
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// protection status is always 0
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list.append(id, property.code, property.type, 0);
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break;
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case MtpConstants.PROPERTY_NAME:
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case MtpConstants.PROPERTY_OBJECT_FILE_NAME:
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case MtpConstants.PROPERTY_DISPLAY_NAME:
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list.append(id, property.code, object.getName());
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break;
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case MtpConstants.PROPERTY_DATE_MODIFIED:
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case MtpConstants.PROPERTY_DATE_ADDED:
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// convert from seconds to DateTime
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list.append(id, property.code,
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format_date_time(object.getModifiedTime()));
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break;
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case MtpConstants.PROPERTY_STORAGE_ID:
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list.append(id, property.code, property.type, object.getStorageId());
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break;
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case MtpConstants.PROPERTY_OBJECT_FORMAT:
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list.append(id, property.code, property.type, object.getFormat());
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break;
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case MtpConstants.PROPERTY_OBJECT_SIZE:
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list.append(id, property.code, property.type, object.getSize());
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break;
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case MtpConstants.PROPERTY_PARENT_OBJECT:
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list.append(id, property.code, property.type,
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object.getParent().isRoot() ? 0 : object.getParent().getId());
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break;
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case MtpConstants.PROPERTY_PERSISTENT_UID:
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// The persistent uid must be unique and never reused among all objects,
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// and remain the same between sessions.
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long puid = (((long) object.getPath().toString().hashCode()) << 32)
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+ object.getModifiedTime();
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list.append(id, property.code, property.type, puid);
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break;
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case MtpConstants.PROPERTY_ORIGINAL_RELEASE_DATE:
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// release date is stored internally as just the year
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int year = 0;
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if (c != null)
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year = c.getInt(property.column);
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String dateTime = Integer.toString(year) + "0101T000000";
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list.append(id, property.code, dateTime);
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break;
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case MtpConstants.PROPERTY_TRACK:
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int track = 0;
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if (c != null)
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track = c.getInt(property.column);
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list.append(id, property.code, MtpConstants.TYPE_UINT16,
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track % 1000);
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break;
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case MtpConstants.PROPERTY_AUDIO_WAVE_CODEC:
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case MtpConstants.PROPERTY_AUDIO_BITRATE:
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case MtpConstants.PROPERTY_SAMPLE_RATE:
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// we don't have these in our database, so return 0
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list.append(id, property.code, MtpConstants.TYPE_UINT32, 0);
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break;
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case MtpConstants.PROPERTY_BITRATE_TYPE:
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case MtpConstants.PROPERTY_NUMBER_OF_CHANNELS:
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// we don't have these in our database, so return 0
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list.append(id, property.code, MtpConstants.TYPE_UINT16, 0);
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break;
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default:
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switch(property.type) {
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case MtpConstants.TYPE_UNDEFINED:
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list.append(id, property.code, property.type, 0);
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break;
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case MtpConstants.TYPE_STR:
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String value = "";
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if (c != null)
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value = c.getString(property.column);
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list.append(id, property.code, value);
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break;
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default:
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long longValue = 0L;
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if (c != null)
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longValue = c.getLong(property.column);
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list.append(id, property.code, property.type, longValue);
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}
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}
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}
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if (c != null)
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c.close();
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return MtpConstants.RESPONSE_OK;
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}
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private native String format_date_time(long seconds);
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}
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