1 /* 2 * Copyright (C) 2014 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 package android.hardware.camera2.marshal.impl; 17 18 import static android.hardware.camera2.impl.CameraMetadataNative.*; 19 import static android.hardware.camera2.marshal.MarshalHelpers.*; 20 21 import android.hardware.camera2.marshal.Marshaler; 22 import android.hardware.camera2.marshal.MarshalQueryable; 23 import android.hardware.camera2.utils.TypeReference; 24 25 import java.nio.ByteBuffer; 26 27 /** 28 * Marshal booleans: TYPE_BYTE <-> boolean/Boolean 29 */ 30 public class MarshalQueryableBoolean implements MarshalQueryable<Boolean> { 31 32 private class MarshalerBoolean extends Marshaler<Boolean> { 33 protected MarshalerBoolean(TypeReference<Boolean> typeReference, int nativeType) { 34 super(MarshalQueryableBoolean.this, typeReference, nativeType); 35 } 36 37 @Override 38 public void marshal(Boolean value, ByteBuffer buffer) { 39 boolean unboxValue = value; 40 buffer.put((byte)(unboxValue ? 1 : 0)); 41 } 42 43 @Override 44 public Boolean unmarshal(ByteBuffer buffer) { 45 return buffer.get() != 0; 46 } 47 48 @Override 49 public int getNativeSize() { 50 return SIZEOF_BYTE; 51 } 52 } 53 54 @Override 55 public Marshaler<Boolean> createMarshaler(TypeReference<Boolean> managedType, 56 int nativeType) { 57 return new MarshalerBoolean(managedType, nativeType); 58 } 59 60 @Override 61 public boolean isTypeMappingSupported(TypeReference<Boolean> managedType, int nativeType) { 62 return (Boolean.class.equals(managedType.getType()) 63 || boolean.class.equals(managedType.getType())) && nativeType == TYPE_BYTE; 64 } 65 66 67 } 68
