com.github.ferstl.maven.pomenforcers.PedanticPluginManagementLocationEnforcer Maven / Gradle / Ivy

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The Pedantic POM Enforcers consist of serveral Maven enforcer rules that help you keep your project setup consistent and organized.

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/*
 * Copyright (c) 2013 by Stefan Ferstl 
 *
 * 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.github.ferstl.maven.pomenforcers;

import java.util.HashSet;
import java.util.Set;

import org.apache.maven.project.MavenProject;

import com.github.ferstl.maven.pomenforcers.model.ArtifactModel;
import com.github.ferstl.maven.pomenforcers.util.CommaSeparatorUtils;
import com.github.ferstl.maven.pomenforcers.util.EnforcerRuleUtils;

import static com.github.ferstl.maven.pomenforcers.ErrorReport.toList;
import static com.github.ferstl.maven.pomenforcers.model.functions.StringToArtifactTransformer.stringToArtifactModel;


/**
 * Enforces that only a well-defined set of POMs may declare plugin management.
 *  * ### Example
 *     <rules>
 *       <pluginManagemenLocation implementation="com.github.ferstl.maven.pomenforcers.PedanticPluginManagementLocationEnforcer">
 *         <!-- Only these POMs may declare plugin management -->
 *         <pluginManagingPoms>com.example.myproject:parent,com.example.myproject:subparent</pluginManagingPoms>
 *       </pluginManagemenLocation>
 *     </rules>
 * 
 * @id {@link PedanticEnforcerRule#PLUGIN_MANAGEMENT_LOCATION}
 */
public class PedanticPluginManagementLocationEnforcer extends AbstractPedanticEnforcer {

  private final Set pluginManagingPoms;

  public PedanticPluginManagementLocationEnforcer() {
    this.pluginManagingPoms = new HashSet<>();
  }

  @Override
  protected PedanticEnforcerRule getDescription() {
    return PedanticEnforcerRule.PLUGIN_MANAGEMENT_LOCATION;
  }

  @Override
  protected void accept(PedanticEnforcerVisitor visitor) {
    visitor.visit(this);
  }

  @Override
  protected void doEnforce(ErrorReport report) {
    MavenProject mavenProject = EnforcerRuleUtils.getMavenProject(getHelper());
    if (containsPluginManagement() && !isPluginManagementAllowed(mavenProject)) {
      report.addLine("Only these POMs are allowed to manage plugins:")
            .addLine(toList(this.pluginManagingPoms));
    }
  }

  /**
   * Comma separated list of POMs that may declare <pluginManagement>. Each POM has
   * to be defined in the format groupId:artifactId.
   * @param pluginManagingPoms Comma separated list of POMs that may declare plugin management.
   * @configParam
   * @default n/a
   */
  public void setPluginManagingPoms(String pluginManagingPoms) {
    CommaSeparatorUtils.splitAndAddToCollection(pluginManagingPoms, this.pluginManagingPoms, stringToArtifactModel());
  }

  private boolean containsPluginManagement() {
    return !getProjectModel().getManagedPlugins().isEmpty();
  }

  private boolean isPluginManagementAllowed(MavenProject project) {
    ArtifactModel projectInfo = new ArtifactModel(project.getGroupId(), project.getArtifactId(), project.getVersion());
    return this.pluginManagingPoms.isEmpty() || this.pluginManagingPoms.contains(projectInfo);
  }
}