com.orange.clara.cloud.truststore.CertificateJsonDeserializer.java Source code

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Here is the source code for com.orange.clara.cloud.truststore.CertificateJsonDeserializer.java

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/*
 *
 *  * Copyright (C) 2015 Orange
 *  * 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.orange.clara.cloud.truststore;

import com.fasterxml.jackson.core.JsonParser;
import com.fasterxml.jackson.core.JsonProcessingException;
import com.fasterxml.jackson.core.JsonToken;
import com.fasterxml.jackson.core.type.TypeReference;
import com.fasterxml.jackson.databind.DeserializationContext;
import com.fasterxml.jackson.databind.JsonDeserializer;
import com.fasterxml.jackson.databind.ObjectMapper;

import java.io.IOException;
import java.security.cert.Certificate;
import java.util.ArrayList;
import java.util.List;
import java.util.stream.Collectors;

/**
 * Created by sbortolussi on 27/10/2015.
 */
public class CertificateJsonDeserializer extends JsonDeserializer<List<Certificate>> {

    @Override
    public List<Certificate> deserialize(JsonParser jp, DeserializationContext ctxt)
            throws IOException, JsonProcessingException {
        ObjectMapper mapper = (ObjectMapper) jp.getCodec();
        if (jp.getCurrentToken().equals(JsonToken.START_ARRAY)) {
            final List<String> certificates = mapper.readValue(jp, new TypeReference<List<String>>() {
            });
            final List<Certificate> collect = certificates.stream().map(e -> CertificateFactory.newInstance(e))
                    .collect(Collectors.toList());
            return collect;
        } else {
            //consume this stream
            mapper.readTree(jp);
            return new ArrayList<Certificate>();
        }
    }
}