Copyright (c) 2008, http://www.snakeyaml.org
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.
/**
 * Copyright (c) 2008, http://www.snakeyaml.org
 *
 * 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 org.yaml.snakeyaml.introspector;

import java.lang.annotation.Annotation;
import java.lang.reflect.Field;
import java.util.List;

import org.yaml.snakeyaml.error.YAMLException;
import org.yaml.snakeyaml.util.ArrayUtils;


A FieldProperty is a Property which is accessed as
a field, without going through accessor methods (setX, getX). The field may
have any scope (public, package, protected, private).

/**
 * <p>
 * A <code>FieldProperty</code> is a <code>Property</code> which is accessed as
 * a field, without going through accessor methods (setX, getX). The field may
 * have any scope (public, package, protected, private).
 * </p>
 */
public class FieldProperty extends GenericProperty {

    private final Field field;

    public FieldProperty(Field field) {
        super(field.getName(), field.getType(), field.getGenericType());
        this.field = field;
        field.setAccessible(true);
    }

    @Override
    public void set(Object object, Object value) throws Exception {
        field.set(object, value);
    }

    @Override
    public Object get(Object object) {
        try {
            return field.get(object);
        } catch (Exception e) {
            throw new YAMLException("Unable to access field " + field.getName() + " on object "
                    + object + " : " + e);
        }
    }

    @Override
    public List<Annotation> getAnnotations() {
        return ArrayUtils.toUnmodifiableList(field.getAnnotations());
    }

    @Override
    public <A extends Annotation> A getAnnotation(Class<A> annotationType) {
        return field.getAnnotation(annotationType);
    }

}