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/*
* MIT License
*
* Copyright (c) 2019 WANG Lingsong
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in all
* copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
* SOFTWARE.
*/
package org.jsfr.json.resolver;
import org.jsfr.json.exception.ResolverException;
import java.lang.reflect.Array;
import java.lang.reflect.Field;
import java.util.List;
public class PoJoResolver implements DocumentResolver {
@Override
public Object resolve(Object object, String field) {
Object value;
try {
Field declaredField = object.getClass().getDeclaredField(field);
declaredField.setAccessible(true);
value = declaredField.get(object);
} catch (IllegalAccessException | NoSuchFieldException e) {
throw new ResolverException("Failed to resolve field: " + field, e);
}
return value;
}
@Override
public Object resolve(Object list, int index) {
if (list instanceof List) {
return ((List) list).get(index);
} else if (list.getClass().isArray()) {
return Array.get(list, index);
}
throw new UnsupportedOperationException("Unsupported list object " + list);
}
}