org.apache.johnzon.jsonb.converter.JohnzonJsonbAdapter Maven / Gradle / Ivy
/*
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you 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.
*/
package org.apache.johnzon.jsonb.converter;
import org.apache.johnzon.mapper.TypeAwareAdapter;
import org.apache.johnzon.mapper.internal.AdapterKey;
import javax.json.bind.JsonbException;
import javax.json.bind.adapter.JsonbAdapter;
import java.lang.reflect.Type;
public class JohnzonJsonbAdapter implements TypeAwareAdapter {
private final JsonbAdapter delegate;
private final Type from;
private final Type to;
private final AdapterKey key;
public JohnzonJsonbAdapter(final JsonbAdapter delegate, final Type from, final Type to) {
this.delegate = delegate;
this.from = from;
this.to = to;
this.key = new AdapterKey(from, to);
}
@Override
public OriginalType to(final JsonType obj) {
if (obj == null) {
return null;
}
try {
return delegate.adaptFromJson(obj);
} catch (final Exception e) {
throw new JsonbException(e.getMessage(), e);
}
}
@Override
public JsonType from(final OriginalType obj) {
if (obj == null) {
return null;
}
try {
return delegate.adaptToJson(obj);
} catch (final Exception e) {
throw new JsonbException(e.getMessage(), e);
}
}
@Override
public AdapterKey getKey() {
return key;
}
@Override
public Type getTo() {
return to;
}
@Override
public Type getFrom() {
return from;
}
}