net.oneandone.maven.rules.common.RuleHelper Maven / Gradle / Ivy

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Additional rules for the Maven Enforcer Plugin

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/**
 * 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.common;

import org.apache.maven.enforcer.rule.api.EnforcerRuleHelper;
import org.apache.maven.execution.MavenSession;
import org.apache.maven.model.Dependency;
import org.apache.maven.project.MavenProject;
import org.codehaus.plexus.component.configurator.expression.ExpressionEvaluationException;

import com.google.common.base.Function;
import com.google.common.collect.ImmutableListMultimap;
import com.google.common.collect.Multimaps;

public class RuleHelper {
    public static ImmutableListMultimap getManagedDependenciesAsMap(MavenProject project) {
        if (project.getDependencyManagement() != null) {
            return Multimaps.index(project.getDependencyManagement().getDependencies(), new Function() {
                public String apply(Dependency from) {
                    if (from != null) {
                        return from.getGroupId() + ":" + from.getArtifactId();
                    }

                    return null;
                }
            });

        }
        return ImmutableListMultimap.of();
    }

    public static MavenProject getProject(EnforcerRuleHelper helper) throws ExpressionEvaluationException {
        return (MavenProject) helper.evaluate("${project}");
    }

    public static MavenSession getSession(EnforcerRuleHelper helper) throws ExpressionEvaluationException {
        return (MavenSession) helper.evaluate("${session}");
    }

    public static String getProjectIdentifier(MavenProject mavenProject) {
        return mavenProject.getGroupId() + ":" + mavenProject.getArtifactId();
    }

    public static String getDependencyIdentifier(Dependency dependency) {
        return dependency.getGroupId() + ":" + dependency.getArtifactId();
    }
}