/*-
 * Copyright (c) 2023-2024 Red Hat, Inc.
 *
 * 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.kojan.dola.generator.transformer;

import io.kojan.dola.generator.BuildContext;
import java.util.jar.Manifest;

class ManifestInjector implements ManifestTransformer {
    private final String name;
    private final String epoch;
    private final String version;
    private final String release;

    public ManifestInjector(BuildContext context) {
        name = context.eval("%{NAME}");
        epoch = context.eval("%{?EPOCH}");
        version = context.eval("%{VERSION}");
        release = context.eval("%{RELEASE}");
    }

    @Override
    public void transform(Manifest mf) {
        mf.getMainAttributes().putValue("Rpm-Name", name);
        mf.getMainAttributes().putValue("Rpm-Epoch", epoch);
        mf.getMainAttributes().putValue("Rpm-Version", version);
        mf.getMainAttributes().putValue("Rpm-Release", release);
    }
}
