/*
 * Copyright 2016-2018 the original author or authors.
 *
 * 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 org.glowroot.agent.dist;

import org.apache.maven.plugin.AbstractMojo;
import org.apache.maven.plugin.MojoExecutionException;
import org.apache.maven.plugins.annotations.LifecyclePhase;
import org.apache.maven.plugins.annotations.Mojo;
import org.apache.maven.plugins.annotations.Parameter;
import org.apache.maven.plugins.annotations.ResolutionScope;
import org.apache.maven.project.MavenProject;
import org.checkerframework.checker.nullness.qual.Nullable;

import static com.google.common.base.Preconditions.checkNotNull;

@Mojo(name = "generate", defaultPhase = LifecyclePhase.PROCESS_RESOURCES,
        requiresDependencyResolution = ResolutionScope.COMPILE, threadSafe = true)
public class PluginJsonTransformerMojo extends AbstractMojo {

    @Parameter(readonly = true, defaultValue = "${project}")
    private @Nullable MavenProject project;

    @Parameter
    private PluginConfig[] plugins = new PluginConfig[0];

    @Override
    public void execute() throws MojoExecutionException {
        checkNotNull(project);
        PluginJsonTransformer packager = new PluginJsonTransformer(project, plugins);
        try {
            packager.execute();
        } catch (Exception e) {
            throw new MojoExecutionException(e.getMessage(), e);
        }
    }
}
