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/*
* Copyright 2013 FasterXML.com
*
* 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.
*/
package com.fasterxml.jackson.datatype.jsr310.deser;
import java.io.IOException;
import java.time.DateTimeException;
import java.util.Arrays;
import com.fasterxml.jackson.core.JsonParser;
import com.fasterxml.jackson.core.JsonToken;
import com.fasterxml.jackson.databind.DeserializationContext;
import com.fasterxml.jackson.databind.JsonDeserializer;
import com.fasterxml.jackson.databind.JsonMappingException;
import com.fasterxml.jackson.databind.deser.std.StdScalarDeserializer;
import com.fasterxml.jackson.databind.jsontype.TypeDeserializer;
/**
* Base class that indicates that all JSR310 datatypes are deserialized from scalar JSON types.
*
* @author Nick Williams
* @since 2.2
*/
abstract class JSR310DeserializerBase extends StdScalarDeserializer
{
private static final long serialVersionUID = 1L;
protected JSR310DeserializerBase(Class supportedType)
{
super(supportedType);
}
@Override
public Object deserializeWithType(JsonParser parser, DeserializationContext context,
TypeDeserializer typeDeserializer)
throws IOException
{
return typeDeserializer.deserializeTypedFromAny(parser, context);
}
protected BOGUS _reportWrongToken(DeserializationContext context,
JsonToken exp, String unit) throws IOException
{
context.reportWrongTokenException((JsonDeserializer)this, exp,
"Expected %s for '%s' of %s value",
exp.name(), unit, handledType().getName());
return null;
}
protected BOGUS _reportWrongToken(JsonParser parser, DeserializationContext context,
JsonToken... expTypes) throws IOException
{
// 20-Apr-2016, tatu: No multiple-expected-types handler yet, construct message
// here
return context.reportInputMismatch(handledType(),
"Unexpected token (%s), expected one of %s for %s value",
parser.getCurrentToken(),
Arrays.asList(expTypes).toString(),
handledType().getName());
}
@SuppressWarnings("unchecked")
protected R _handleDateTimeException(DeserializationContext context,
DateTimeException e0, String value) throws JsonMappingException
{
try {
return (R) context.handleWeirdStringValue(handledType(), value,
"Failed to deserialize %s: (%s) %s",
handledType().getName(), e0.getClass().getName(), e0.getMessage());
} catch (JsonMappingException e) {
e.initCause(e0);
throw e;
} catch (IOException e) {
if (null == e.getCause()) {
e.initCause(e0);
}
throw JsonMappingException.fromUnexpectedIOE(e);
}
}
@SuppressWarnings("unchecked")
protected R _handleUnexpectedToken(DeserializationContext context,
JsonParser parser, String message, Object... args) throws JsonMappingException {
try {
return (R) context.handleUnexpectedToken(handledType(), parser.getCurrentToken(),
parser, message, args);
} catch (JsonMappingException e) {
throw e;
} catch (IOException e) {
throw JsonMappingException.fromUnexpectedIOE(e);
}
}
@SuppressWarnings("unchecked")
protected R _handleUnexpectedToken(DeserializationContext context,
JsonParser parser, JsonToken... expTypes) throws JsonMappingException {
return _handleUnexpectedToken(context, parser,
"Unexpected token (%s), expected one of %s for %s value",
parser.currentToken(),
Arrays.asList(expTypes),
handledType().getName());
}
/**
* Helper method used to peel off spurious wrappings of DateTimeException
*
* @param e DateTimeException to peel
*
* @return DateTimeException that does not have another DateTimeException as its cause.
*/
protected DateTimeException _peelDTE(DateTimeException e) {
while (true) {
Throwable t = e.getCause();
if (t != null && t instanceof DateTimeException) {
e = (DateTimeException) t;
continue;
}
break;
}
return e;
}
}