DeploymentVerifier.java

/*
 * Copyright 2017 Red Hat, Inc. and/or its affiliates.
 *
 * 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.kie.workbench.common.services.backend.builder.core;

import java.util.Set;
import javax.enterprise.context.ApplicationScoped;
import javax.inject.Inject;

import org.guvnor.common.services.project.model.GAV;
import org.guvnor.common.services.project.model.MavenRepositoryMetadata;
import org.guvnor.common.services.project.model.Project;
import org.guvnor.common.services.project.model.ProjectRepositories;
import org.guvnor.common.services.project.service.DeploymentMode;
import org.guvnor.common.services.project.service.GAVAlreadyExistsException;
import org.guvnor.common.services.project.service.ProjectRepositoriesService;
import org.guvnor.common.services.project.service.ProjectRepositoryResolver;
import org.kie.workbench.common.services.shared.project.KieProject;

/**
 * Helper class for verifying if a given project fulfils the required conditions for performing the deployment.
 */
@ApplicationScoped
public class DeploymentVerifier {

    private ProjectRepositoryResolver repositoryResolver;

    private ProjectRepositoriesService projectRepositoriesService;

    public DeploymentVerifier( ) {
        //Empty constructor for Weld proxying
    }

    @Inject
    public DeploymentVerifier( final ProjectRepositoryResolver repositoryResolver,
                               final ProjectRepositoriesService projectRepositoriesService ) {
        this.repositoryResolver = repositoryResolver;
        this.projectRepositoriesService = projectRepositoriesService;
    }

    /**
     * Verifies if a given project can be deployed in current server for the given deployment mode.
     * An example of when a project can't be deployed is when the deployment mode is DeploymentMode.VALIDATED and the
     * project was already deployed. This case will raise a GAVAlreadyExistsException.
     * @param project the project to verify.
     * @param deploymentMode the deployment mode for doing the verification.
     */
    public void verifyWithException( final Project project, DeploymentMode deploymentMode ) {
        if ( DeploymentMode.VALIDATED.equals( deploymentMode ) ) {
            // Check is the POM's GAV resolves to any pre-existing artifacts.
            final GAV gav = project.getPom( ).getGav( );
            if ( gav.isSnapshot( ) ) {
                return;
            }
            final ProjectRepositories projectRepositories = projectRepositoriesService.load( ( ( KieProject ) project ).getRepositoriesPath( ) );
            final Set< MavenRepositoryMetadata > repositories = repositoryResolver.getRepositoriesResolvingArtifact( gav,
                    projectRepositories.filterByIncluded( ) );
            if ( repositories.size( ) > 0 ) {
                throw new GAVAlreadyExistsException( gav,
                        repositories );
            }
        }
    }
}