/*
* Copyright 2009-2012 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.apache.ibatis.reflection.wrapper;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import org.apache.ibatis.reflection.MetaObject;
import org.apache.ibatis.reflection.SystemMetaObject;
import org.apache.ibatis.reflection.factory.ObjectFactory;
import org.apache.ibatis.reflection.property.PropertyTokenizer;
/**
* @author Clinton Begin
*/
public class MapWrapper extends BaseWrapper {
private Map<String, Object> map;
public MapWrapper(MetaObject metaObject, Map<String, Object> map) {
super(metaObject);
this.map = map;
}
@Override
public Object get(PropertyTokenizer prop) {
if (prop.getIndex() != null) {
Object collection = resolveCollection(prop, map);
return getCollectionValue(prop, collection);
} else {
return map.get(prop.getName());
}
}
@Override
public void set(PropertyTokenizer prop, Object value) {
if (prop.getIndex() != null) {
Object collection = resolveCollection(prop, map);
setCollectionValue(prop, collection, value);
} else {
map.put(prop.getName(), value);
}
}
@Override
public String findProperty(String name, boolean useCamelCaseMapping) {
return name;
}
@Override
public String[] getGetterNames() {
return map.keySet().toArray(new String[map.keySet().size()]);
}
@Override
public String[] getSetterNames() {
return map.keySet().toArray(new String[map.keySet().size()]);
}
@Override
public Class<?> getSetterType(String name) {
PropertyTokenizer prop = new PropertyTokenizer(name);
if (prop.hasNext()) {
MetaObject metaValue = metaObject.metaObjectForProperty(prop.getIndexedName());
if (metaValue == SystemMetaObject.NULL_META_OBJECT) {
return Object.class;
} else {
return metaValue.getSetterType(prop.getChildren());
}
} else {
if (map.get(name) != null) {
return map.get(name).getClass();
} else {
return Object.class;
}
}
}
@Override
public Class<?> getGetterType(String name) {
PropertyTokenizer prop = new PropertyTokenizer(name);
if (prop.hasNext()) {
MetaObject metaValue = metaObject.metaObjectForProperty(prop.getIndexedName());
if (metaValue == SystemMetaObject.NULL_META_OBJECT) {
return Object.class;
} else {
return metaValue.getGetterType(prop.getChildren());
}
} else {
if (map.get(name) != null) {
return map.get(name).getClass();
} else {
return Object.class;
}
}
}
@Override
public boolean hasSetter(String name) {
return true;
}
@Override
public boolean hasGetter(String name) {
PropertyTokenizer prop = new PropertyTokenizer(name);
if (prop.hasNext()) {
if (map.containsKey(prop.getIndexedName())) {
MetaObject metaValue = metaObject.metaObjectForProperty(prop.getIndexedName());
if (metaValue == SystemMetaObject.NULL_META_OBJECT) {
return true;
} else {
return metaValue.hasGetter(prop.getChildren());
}
} else {
return false;
}
} else {
return map.containsKey(prop.getName());
}
}
@Override
public MetaObject instantiatePropertyValue(String name, PropertyTokenizer prop, ObjectFactory objectFactory) {
HashMap<String, Object> map = new HashMap<String, Object>();
set(prop, map);
return MetaObject.forObject(map, metaObject.getObjectFactory(), metaObject.getObjectWrapperFactory());
}
@Override
public boolean isCollection() {
return false;
}
@Override
public void add(Object element) {
throw new UnsupportedOperationException();
}
@Override
public <E> void addAll(List<E> element) {
throw new UnsupportedOperationException();
}
}