/*
 * Copyright 2020 Red Hat
 *
 * 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.apicurio.registry.content;

import org.apache.commons.codec.digest.DigestUtils;

import java.io.ByteArrayInputStream;
import java.io.InputStream;
import java.util.Arrays;

/**
 * @author Ales Justin
 */
abstract class AbstractContentHandle implements ContentHandle {

    protected byte[] bytes;
    protected String content;

    @Override
    public InputStream stream() {
        return new ByteArrayInputStream(bytes());
    }

    @Override
    public boolean equals(Object o) {
        if (this == o) return true;
        if (!(o instanceof ContentHandle)) return false;
        ContentHandle that = (ContentHandle) o;
        return Arrays.equals(bytes(), that.bytes());
    }

    @Override
    public int hashCode() {
        return Arrays.hashCode(bytes());
    }

    @Override
    public int getSizeBytes() {
        return bytes().length;
    }

    @Override
    public String getSha256Hash() {
        return DigestUtils.sha256Hex(bytes());
    }
}
