/*
* IronJacamar, a Java EE Connector Architecture implementation
* Copyright 2014, Red Hat Inc, and individual contributors
* as indicated by the @author tags. See the copyright.txt file in the
* distribution for a full listing of individual contributors.
*
* This is free software; you can redistribute it and/or modify it
* under the terms of the Eclipse Public License 1.0 as
* published by the Free Software Foundation.
*
* This software is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the Eclipse
* Public License for more details.
*
* You should have received a copy of the Eclipse Public License
* along with this software; if not, write to the Free
* Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
* 02110-1301 USA, or see the FSF site: http://www.fsf.org.
*/
package org.ironjacamar.common.api.metadata;
import org.ironjacamar.common.api.metadata.spec.XsdString;
import java.util.ArrayList;
import java.util.List;
/**
*
* A CopyUtil.
*
* @author <a href="stefano.maestri@ironjacamar.org">Stefano Maestri</a>
*
*/
public class CopyUtil
{
/**
*
* clone a list of IdDecoratedMetadata and deep into the elements
*
* @param <T> type extending {@link CopyableMetaData}
* @param list the list to clone
* @return cloned list
*/
public static <T extends CopyableMetaData> List<T> cloneList(List<T> list)
{
List<T> clone = new ArrayList<T>(list.size());
for (T item : list)
clone.add(clone(item));
return clone;
}
/**
*
* clone a list of string deep into elements
*
* @param list the list to clone
* @return cloned list
*/
public static List<String> cloneListOfStrings(List<String> list)
{
List<String> clone = new ArrayList<String>(list.size());
for (String item : list)
clone.add(cloneString(item));
return clone;
}
/**
*
* clone a String
*
* @param input the input
* @return cloned String
*/
public static String cloneString(String input)
{
return input;
}
/**
*
* Clone an IDDecoratedMetadata taking care of null cheks
*
* @param <T> type extending {@link CopyableMetaData}
* @param input type extending IdDecoratedMetadata
* @return cloned input
*
*/
@SuppressWarnings("unchecked")
public static <T extends CopyableMetaData> T clone(T input)
{
if (input instanceof XsdString)
{
return XsdString.isNull((XsdString) input) ? (T) XsdString.NULL_XSDSTRING : (T) input.copy();
}
else
{
return input == null ? null : (T) input.copy();
}
}
}