org.smallmind.web.jersey.aop.AbstractIndexedJsonEntity Maven / Gradle / Ivy
/*
* Copyright (c) 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016, 2017, 2018, 2019, 2020 David Berkman
*
* This file is part of the SmallMind Code Project.
*
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* it and/or modify it under either, at your discretion...
*
* 1) The terms of GNU Affero General Public License as published by the
* Free Software Foundation, either version 3 of the License, or (at
* your option) any later version.
*
* ...or...
*
* 2) The terms of the Apache License, Version 2.0.
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* of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* General Public License or Apache License for more details.
*
* You should have received a copy of the GNU Affero General Public License
* and the Apache License along with the SmallMind Code Project. If not, see
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* If you modify this Program, or any covered work, by linking or
* combining it with other code, such other code is not for that reason
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package org.smallmind.web.jersey.aop;
import java.lang.reflect.Constructor;
import javax.xml.bind.annotation.adapters.XmlAdapter;
import javax.xml.bind.annotation.adapters.XmlJavaTypeAdapter;
import org.smallmind.nutsnbolts.reflection.type.GenericUtility;
import org.smallmind.web.json.scaffold.util.JsonCodec;
public abstract class AbstractIndexedJsonEntity implements JsonEntity {
private static final Class[] NO_ARG_SIGNATURE = new Class[0];
private Object[] arguments;
public AbstractIndexedJsonEntity () {
}
public AbstractIndexedJsonEntity (Object[] arguments) {
this.arguments = arguments;
}
public Object[] getArguments () {
return arguments;
}
public void setArguments (Object[] arguments) {
this.arguments = arguments;
}
@Override
public T getParameter (String key, Class clazz, ParameterAnnotations parameterAnnotations) {
int index;
try {
index = Integer.parseInt(key);
} catch (NumberFormatException numberFormatException) {
throw new ParameterProcessingException(numberFormatException);
}
if (index < 0) {
throw new ParameterProcessingException("Entity argument index must be >= 0");
} else if (index >= arguments.length) {
return null;
} else {
XmlJavaTypeAdapter xmlJavaTypeAdapter;
if ((xmlJavaTypeAdapter = parameterAnnotations.getAnnotation(XmlJavaTypeAdapter.class)) != null) {
try {
XmlAdapter xmlAdapter;
Constructor adapterConstructor;
if ((adapterConstructor = xmlJavaTypeAdapter.value().getConstructor(NO_ARG_SIGNATURE)) == null) {
throw new ParameterProcessingException("XmlAdapter of type(%s) must have a no arg constructor", xmlJavaTypeAdapter.value().getName());
}
xmlAdapter = adapterConstructor.newInstance();
return JsonCodec.convert(xmlAdapter.unmarshal(JsonCodec.convert(arguments[index], GenericUtility.getTypeArgumentsOfSubclass(XmlAdapter.class, xmlAdapter.getClass()).get(0))), clazz);
} catch (Exception exception) {
throw new ParameterProcessingException(exception);
}
} else {
return JsonCodec.convert(arguments[index], clazz);
}
}
}
}