io.swagger.oas.inflector.config.DirectionDeserializer Maven / Gradle / Ivy
/*
* Copyright 2017 SmartBear Software
*
* 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 io.swagger.oas.inflector.config;
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 java.io.IOException;
import java.util.EnumSet;
import java.util.Set;
public class DirectionDeserializer extends JsonDeserializer> {
@Override
public Set deserialize(JsonParser jp,
DeserializationContext ctxt) throws IOException {
final JsonToken token = jp.getCurrentToken();
if (token == JsonToken.VALUE_FALSE) {
return EnumSet.noneOf(Configuration.Direction.class);
} else if (token == JsonToken.VALUE_TRUE) {
return EnumSet.allOf(Configuration.Direction.class);
} else if (token == JsonToken.START_ARRAY) {
final Set items = EnumSet.noneOf(Configuration.Direction.class);
while (true) {
final JsonToken next = jp.nextToken();
if (next == JsonToken.VALUE_STRING) {
final String name = jp.getText();
items.add(Configuration.Direction.valueOf(name));
} else if (next == JsonToken.END_ARRAY) {
return items;
} else {
break;
}
}
}
throw ctxt.mappingException(Configuration.Direction.class);
}
}