content: /*
   * Copyright (C) 2014 The Android Open Source Project
   *
   * Licensed under the Apache License, Version 2.0 (the "License");
   * you may not use this file except in compliance with the License.
   * You may obtain a copy of the License at
   *
   *      http://www.apache.org/licenses/LICENSE-2.0
   *
   * Unless required by applicable law or agreed to in writing, software
   * distributed under the License is distributed on an "AS IS" BASIS,
   * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
   * See the License for the specific language governing permissions and
   * limitations under the License.
   */
  package android.hardware.camera2.marshal.impl;
  
  import static android.hardware.camera2.impl.CameraMetadataNative.*;
  import static android.hardware.camera2.marshal.MarshalHelpers.*;
  
  import android.hardware.camera2.marshal.Marshaler;
  import android.hardware.camera2.marshal.MarshalQueryable;
  import android.hardware.camera2.utils.TypeReference;
  
  import java.nio.ByteBuffer;
  
  /**
   * Marshal booleans: TYPE_BYTE <-> boolean/Boolean
   */
  public class MarshalQueryableBoolean implements MarshalQueryable<Boolean> {
  
      private class MarshalerBoolean extends Marshaler<Boolean> {
          protected MarshalerBoolean(TypeReference<Boolean> typeReference, int nativeType) {
              super(MarshalQueryableBoolean.this, typeReference, nativeType);
          }
  
          @Override
          public void marshal(Boolean value, ByteBuffer buffer) {
              boolean unboxValue = value;
              buffer.put((byte)(unboxValue ? 1 : 0));
          }
  
          @Override
          public Boolean unmarshal(ByteBuffer buffer) {
              return buffer.get() != 0;
          }
  
          @Override
          public int getNativeSize() {
              return SIZEOF_BYTE;
          }
      }
  
      @Override
      public Marshaler<Boolean> createMarshaler(TypeReference<Boolean> managedType,
              int nativeType) {
          return new MarshalerBoolean(managedType, nativeType);
      }
  
      @Override
      public boolean isTypeMappingSupported(TypeReference<Boolean> managedType, int nativeType) {
          return (Boolean.class.equals(managedType.getType())
                  || boolean.class.equals(managedType.getType())) && nativeType == TYPE_BYTE;
      }
  
  
  }
  