/*
* Copyright 2013 the original author or authors.
*
* 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.modelmapper.jackson;
import java.io.IOException;
import java.util.Collection;
import org.modelmapper.internal.util.Lists;
import org.modelmapper.spi.ValueReader;
import com.fasterxml.jackson.databind.JsonNode;
import com.fasterxml.jackson.databind.node.NumericNode;
import com.fasterxml.jackson.databind.node.ObjectNode;
import com.fasterxml.jackson.databind.node.POJONode;
/**
* JsonNode ValueReader implementation.
*
* @author Jonathan Halterman
*/
public class JsonNodeValueReader implements ValueReader<JsonNode> {
public Object get(JsonNode source, String memberName) {
JsonNode propertyNode = source.get(memberName);
if (propertyNode == null)
throw new IllegalArgumentException();
switch (propertyNode.getNodeType()) {
case BOOLEAN:
return propertyNode.asBoolean();
case NULL:
return null;
case NUMBER:
return ((NumericNode) propertyNode).numberValue();
case POJO:
return ((POJONode) propertyNode).getPojo();
case STRING:
return propertyNode.asText();
case BINARY:
try {
return propertyNode.binaryValue();
} catch (IOException ignore) {
return null;
}
case ARRAY:
case OBJECT:
case MISSING:
default:
return propertyNode;
}
}
public Collection<String> memberNames(JsonNode source) {
if (source.isObject())
return Lists.from(((ObjectNode) source).fieldNames());
return null;
}
@Override
public String toString() {
return "Jackson";
}
}