Java tutorial
/** * Copyright (C) 2012 Jean-Christophe Gay (contact@jeanchristophegay.com) * * 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 fr.jcgay.maven.plugin.buildplan; import fr.jcgay.maven.plugin.buildplan.display.ListPluginTableDescriptor; import fr.jcgay.maven.plugin.buildplan.display.MojoExecutionDisplay; import fr.jcgay.maven.plugin.buildplan.display.TableDescriptor; import com.google.common.base.Strings; import com.google.common.collect.Multimap; import org.apache.maven.plugin.MojoExecution; import org.apache.maven.plugin.MojoExecutionException; import org.apache.maven.plugin.MojoFailureException; import org.apache.maven.plugins.annotations.Mojo; import org.apache.maven.plugins.annotations.Parameter; import java.util.Collection; import java.util.Map; /** * List plugin executions by plugin for the current project. */ @Mojo(name = "list-plugin", threadSafe = true, requiresProject = true) public class ListPluginMojo extends AbstractLifecycleMojo { /** Display plugin executions only for the specified plugin. */ @Parameter(property = "buildplan.plugin") private String plugin; public void execute() throws MojoExecutionException, MojoFailureException { Multimap<String, MojoExecution> plan = Groups.ByPlugin.of(calculateExecutionPlan().getMojoExecutions(), plugin); if (plan.isEmpty()) { getLog().warn("No plugin found with artifactId: " + plugin); } else { TableDescriptor descriptor = ListPluginTableDescriptor.of(plan.values()); for (Map.Entry<String, Collection<MojoExecution>> executions : plan.asMap().entrySet()) { getLog().info(pluginTitleLine(descriptor, executions.getKey())); for (MojoExecution execution : executions.getValue()) { getLog().info(line(descriptor.rowFormat(), execution)); } } } } private String line(String rowFormat, MojoExecution execution) { MojoExecutionDisplay display = new MojoExecutionDisplay(execution); return String.format(rowFormat, display.getPhase(), display.getExecutionId(), display.getGoal()); } private String pluginTitleLine(TableDescriptor descriptor, String key) { return key + " " + Strings.repeat("-", descriptor.width() - key.length()); } }