JavaTypeAdapterDataTypeHandler.java
/*
* Portions of this software was developed by employees of the National Institute
* of Standards and Technology (NIST), an agency of the Federal Government and is
* being made available as a public service. Pursuant to title 17 United States
* Code Section 105, works of NIST employees are not subject to copyright
* protection in the United States. This software may be subject to foreign
* copyright. Permission in the United States and in foreign countries, to the
* extent that NIST may hold copyright, to use, copy, modify, create derivative
* works, and distribute this software and its documentation without fee is hereby
* granted on a non-exclusive basis, provided that this notice and disclaimer
* of warranty appears in all copies.
*
* THE SOFTWARE IS PROVIDED 'AS IS' WITHOUT ANY WARRANTY OF ANY KIND, EITHER
* EXPRESSED, IMPLIED, OR STATUTORY, INCLUDING, BUT NOT LIMITED TO, ANY WARRANTY
* THAT THE SOFTWARE WILL CONFORM TO SPECIFICATIONS, ANY IMPLIED WARRANTIES OF
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE, AND FREEDOM FROM
* INFRINGEMENT, AND ANY WARRANTY THAT THE DOCUMENTATION WILL CONFORM TO THE
* SOFTWARE, OR ANY WARRANTY THAT THE SOFTWARE WILL BE ERROR FREE. IN NO EVENT
* SHALL NIST BE LIABLE FOR ANY DAMAGES, INCLUDING, BUT NOT LIMITED TO, DIRECT,
* INDIRECT, SPECIAL OR CONSEQUENTIAL DAMAGES, ARISING OUT OF, RESULTING FROM,
* OR IN ANY WAY CONNECTED WITH THIS SOFTWARE, WHETHER OR NOT BASED UPON WARRANTY,
* CONTRACT, TORT, OR OTHERWISE, WHETHER OR NOT INJURY WAS SUSTAINED BY PERSONS OR
* PROPERTY OR OTHERWISE, AND WHETHER OR NOT LOSS WAS SUSTAINED FROM, OR AROSE OUT
* OF THE RESULTS OF, OR USE OF, THE SOFTWARE OR SERVICES PROVIDED HEREUNDER.
*/
package gov.nist.secauto.metaschema.databind.model.info;
import gov.nist.secauto.metaschema.core.datatype.IDataTypeAdapter;
import gov.nist.secauto.metaschema.core.util.ObjectUtils;
import gov.nist.secauto.metaschema.databind.io.BindingException;
import gov.nist.secauto.metaschema.databind.io.json.IJsonParsingContext;
import gov.nist.secauto.metaschema.databind.io.json.IJsonWritingContext;
import gov.nist.secauto.metaschema.databind.io.xml.IXmlParsingContext;
import gov.nist.secauto.metaschema.databind.io.xml.IXmlWritingContext;
import gov.nist.secauto.metaschema.databind.model.IBoundFieldInstance;
import gov.nist.secauto.metaschema.databind.model.IClassBinding;
import java.io.IOException;
import javax.xml.namespace.QName;
import javax.xml.stream.XMLStreamException;
import javax.xml.stream.events.StartElement;
import edu.umd.cs.findbugs.annotations.NonNull;
// TODO: implement can handle QName for XML parsing
class JavaTypeAdapterDataTypeHandler implements IDataTypeHandler {
@NonNull
private final IBoundFieldInstance property;
public JavaTypeAdapterDataTypeHandler(IBoundFieldInstance property) {
this.property = ObjectUtils.requireNonNull(property, "property");
}
@Override
public IDataTypeAdapter<?> getJavaTypeAdapter() {
return property.getDefinition().getJavaTypeAdapter();
}
@Override
public IClassBinding getClassBinding() {
// this is always null
return null;
}
@Override
public boolean isUnwrappedValueAllowedInXml() {
return getJavaTypeAdapter().isUnrappedValueAllowedInXml();
}
@Override
public boolean isJsonKeyRequired() {
return false;
}
@SuppressWarnings({
"resource", // not owned
"unchecked" })
@Override
public <T> T readItem(Object parentInstance, IJsonParsingContext context)
throws IOException {
return (T) getJavaTypeAdapter().parse(context.getReader());
}
@Override
public Object readItem(Object parentInstance, StartElement start, IXmlParsingContext context)
throws IOException, XMLStreamException {
return getJavaTypeAdapter().parse(context.getReader());
}
@Override
public void writeItem(Object item, QName currentParentName, IXmlWritingContext context)
throws IOException, XMLStreamException {
getJavaTypeAdapter().writeXmlValue(item, currentParentName, context.getWriter());
}
@SuppressWarnings("resource") // resource not owned
@Override
public void writeItem(Object targetObject, IJsonWritingContext context) throws IOException {
getJavaTypeAdapter().writeJsonValue(ObjectUtils.requireNonNull(targetObject), context.getWriter());
}
@Override
public Object copyItem(@NonNull Object fromItem, Object parentInstance) throws BindingException {
return getJavaTypeAdapter().copy(fromItem);
}
}