com.meltmedia.jackson.crypto.Defaults.java Source code

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Here is the source code for com.meltmedia.jackson.crypto.Defaults.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;

import javax.validation.Validation;
import javax.validation.ValidationException;
import javax.validation.Validator;

import com.fasterxml.jackson.databind.ObjectMapper;

public class Defaults {
    public static final String DEFAULT_CIPHER = Ciphers.AES_256_CBC;
    public static final String DEFAULT_KEY_DERIVATION = KeyDerivations.PBKDF2;
    public static final int KEY_LENGTH = 256;
    public static final int KEY_STRETCH_ITERATIONS = 2000;
    public static final int SALT_LENGTH = 4;
    public static final String DEFAULT_NAME = "default";
    public static final String DEFAULT_ENCODING = "UTF-8";

    /**
     * Creates a default validator, if the supplied validator is null.
     */
    public static Validator defaultValidator(Validator validator) {
        if (validator != null)
            return validator;
        try {
            return Validation.buildDefaultValidatorFactory().getValidator();
        } catch (ValidationException ve) {
            throw new RuntimeException("cannot create dafault validator", ve);
        }
    }

    public static ObjectMapper defaultObjectMapper(ObjectMapper mapper) {
        if (mapper != null)
            return mapper;
        return new ObjectMapper();
    }
}