com.urbanairship.api.common.parse.SetOfAPIDsDeserializer Maven / Gradle / Ivy

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/*
 * Copyright 2013 Urban Airship and Contributors
 */

package com.urbanairship.api.common.parse;

import org.codehaus.jackson.JsonParser;
import org.codehaus.jackson.type.TypeReference;

import java.io.IOException;
import java.util.Set;

public class SetOfAPIDsDeserializer {

    public static final SetOfAPIDsDeserializer INSTANCE = new SetOfAPIDsDeserializer();
    private static final String APID_FORMAT_ERROR_MESSAGE = "%s is not a valid device identifier";
    private static final int UUID_STRING_LENGTH = 36;

    private SetOfAPIDsDeserializer() { }

    public Set deserialize(JsonParser parser, String fieldName) {
        Set apids = SetOfStringsDeserializer.INSTANCE.deserialize(parser, fieldName);
        for (String apid : apids) {
            if (apid.length() < UUID_STRING_LENGTH) {
               throw new APIParsingException(String.format(APID_FORMAT_ERROR_MESSAGE, apid));
            }
        }
        return apids;
    }
}