com.meltmedia.jackson.crypto.beans.Base64Deserializer.java Source code

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Here is the source code for com.meltmedia.jackson.crypto.beans.Base64Deserializer.java

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/**
 * Copyright (C) 2014 meltmedia (christian.trimble@meltmedia.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.meltmedia.jackson.crypto.beans;

import java.io.IOException;
import org.apache.commons.codec.binary.Base64;

import com.fasterxml.jackson.core.JsonParser;
import com.fasterxml.jackson.core.JsonProcessingException;
import com.fasterxml.jackson.databind.BeanProperty;
import com.fasterxml.jackson.databind.DeserializationContext;
import com.fasterxml.jackson.databind.JsonDeserializer;
import com.fasterxml.jackson.databind.JsonMappingException;
import com.fasterxml.jackson.databind.deser.ContextualDeserializer;
import com.fasterxml.jackson.databind.deser.ResolvableDeserializer;

public class Base64Deserializer extends JsonDeserializer<String>
        implements ContextualDeserializer, ResolvableDeserializer {

    Base64 decoder = new Base64();

    @Override
    public String deserialize(JsonParser parser, DeserializationContext arg1)
            throws IOException, JsonProcessingException {

        byte[] decoded = decoder.decode(parser.readValueAs(String.class));
        return new String(decoded, "UTF-8");
    }

    @Override
    public void resolve(DeserializationContext arg0) throws JsonMappingException {
    }

    @Override
    public JsonDeserializer<?> createContextual(DeserializationContext arg0, BeanProperty arg1)
            throws JsonMappingException {
        return this;
    }

}