com.opensymphony.xwork2.conversion.impl.ArrayConverter Maven / Gradle / Ivy
/*
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you 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 com.opensymphony.xwork2.conversion.impl;
import com.opensymphony.xwork2.conversion.TypeConverter;
import java.lang.reflect.Array;
import java.lang.reflect.Member;
import java.util.Map;
public class ArrayConverter extends DefaultTypeConverter {
@Override
public Object convertValue(Map context, Object target, Member member, String propertyName, Object value, Class toType) {
Object result = null;
Class componentType = toType.getComponentType();
if (componentType != null) {
TypeConverter converter = getTypeConverter(context);
if (value.getClass().isArray()) {
int length = Array.getLength(value);
result = Array.newInstance(componentType, length);
for (int i = 0; i < length; i++) {
Object valueItem = Array.get(value, i);
Array.set(result, i, converter.convertValue(context, target, member, propertyName, valueItem, componentType));
}
} else {
result = Array.newInstance(componentType, 1);
Array.set(result, 0, converter.convertValue(context, target, member, propertyName, value, componentType));
}
}
return result;
}
}