com.foursoft.xml.postprocessing.ParentPropertyHandler Maven / Gradle / Ivy
/*-
* ========================LICENSE_START=================================
* xml-runtime
* %%
* Copyright (C) 2019 4Soft GmbH
* %%
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
* =========================LICENSE_END==================================
*/
package com.foursoft.xml.postprocessing;
import com.foursoft.xml.annotations.XmlParent;
import java.lang.reflect.Field;
public class ParentPropertyHandler {
private final Field field;
private final Class> typeOfField;
public ParentPropertyHandler(final Field field) {
if (!field.isAnnotationPresent(XmlParent.class)) {
throw new ModelPostProcessorException(
"For the field " + field.getName() + " in " + field.getDeclaringClass()
.getName() + " no parent annotation is present.");
}
this.field = field;
this.field.setAccessible(true);
typeOfField = field.getType();
}
public boolean isHandlingParent(final Object parent) {
return typeOfField.isInstance(parent);
}
public void handleParentProperty(final Object target, final Object parent) {
try {
field.set(target, parent);
} catch (final IllegalArgumentException | IllegalAccessException e) {
throw new ModelPostProcessorException("Can not set parent property value.", e);
}
}
}
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