/*
* Copyright 2004-2015 the Seasar Foundation and the Others.
*
* 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.seasar.extension.dataset.types;
import org.seasar.extension.dataset.ColumnType;
/**
* 汎用的なオブジェクト用の {@link ColumnType}です。
*
* @author higa
*
*/
public class ObjectType implements ColumnType {
ObjectType() {
}
public Object convert(Object value, String formatPattern) {
return value;
}
public boolean equals(Object arg1, Object arg2) {
if (arg1 == null) {
return arg2 == null;
}
return doEquals(arg1, arg2);
}
/**
* 等しいかどうかを返します。
*
* @param arg1
* 引数1
* @param arg2
* 引数1
* @return 等しいかどうか
*/
protected boolean doEquals(Object arg1, Object arg2) {
try {
arg1 = convert(arg1, null);
} catch (Throwable t) {
return false;
}
try {
arg2 = convert(arg2, null);
} catch (Throwable t) {
return false;
}
if ((arg1 instanceof Comparable) && (arg2 instanceof Comparable)) {
return ((Comparable) arg1).compareTo(arg2) == 0;
}
return arg1.equals(arg2);
}
public Class getType() {
return Object.class;
}
}