Java tutorial
/** * Copyright 1&1 Internet AG, https://github.com/1and1/ * * 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 net.oneandone.maven.rules; import org.apache.maven.enforcer.rule.api.EnforcerRuleException; import org.apache.maven.enforcer.rule.api.EnforcerRuleHelper; import org.apache.maven.model.Dependency; import org.apache.maven.model.DependencyManagement; import org.apache.maven.plugin.logging.Log; import org.apache.maven.project.MavenProject; import org.codehaus.plexus.component.configurator.expression.ExpressionEvaluationException; import net.oneandone.maven.rules.common.AbstractFilterableRule; import net.oneandone.maven.rules.common.RuleHelper; public class ForbidDependencyManagementInSubModulesRule extends AbstractFilterableRule { public void execute(EnforcerRuleHelper helper) throws EnforcerRuleException { Log log = helper.getLog(); try { MavenProject currentProject = RuleHelper.getSession(helper).getCurrentProject(); checkForSubmoduleDependencyManagement(currentProject, log); if (failureDetected) { throw new EnforcerRuleException( "Failing because of forbidden dependency management in sub modules"); } } catch (ExpressionEvaluationException e) { throw new EnforcerRuleException("Unable to lookup an expression " + e.getLocalizedMessage(), e); } } private void checkForSubmoduleDependencyManagement(final MavenProject project, Log log) { if (projectHasManagedDependencies(project) && !ruleIsDefinedInProjectOrNotModuleParent(project, log) && !isExcluded(RuleHelper.getProjectIdentifier(project))) { final DependencyManagement dependencyManagement = project.getOriginalModel().getDependencyManagement(); if (dependencyManagement.getDependencies().size() > 0) { failureDetected = true; logHeader(log, "dependency management in sub modules"); for (Dependency dependency : dependencyManagement.getDependencies()) { log.warn("module '" + project.getArtifact().getDependencyConflictId() + "' has dependency management for: " + dependency.getManagementKey()); } } } } }