it.tidalwave.role.ui.function.CopyIfEmptyOrConform Maven / Gradle / Ivy
/*
* #%L
* *********************************************************************************************************************
*
* These Foolish Things - Miscellaneous utilities
* http://thesefoolishthings.tidalwave.it - git clone [email protected]:tidalwave/thesefoolishthings-src.git
* %%
* Copyright (C) 2009 - 2016 Tidalwave s.a.s. (http://tidalwave.it)
* %%
* *********************************************************************************************************************
*
* 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.
*
* *********************************************************************************************************************
*
* $Id$
*
* *********************************************************************************************************************
* #L%
*/
package it.tidalwave.role.ui.function;
import javax.annotation.Nonnull;
import it.tidalwave.role.ui.ChangingSource;
/***********************************************************************************************************************
*
* @author Fabrizio Giudici
* @version $Id$
*
**********************************************************************************************************************/
public class CopyIfEmptyOrConform extends WeakCopyFunctionSupport
{
@Nonnull
public static CopyIfEmptyOrConform copyIfEmptyOrConform (final @Nonnull ChangingSource source)
{
return new CopyIfEmptyOrConform(source);
}
public CopyIfEmptyOrConform (final @Nonnull ChangingSource sourceProperty)
{
super(sourceProperty);
}
@Override
protected boolean shouldChange (final String oldValue, final String newValue)
{
return oldValue.equals(targetValue) || "".equals(targetValue);
}
}
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