core-it-support/core-it-plugins/maven-it-plugin-uses-wagon/src/main/java/org/apache/maven/plugin/coreit/UsesWagonMojo.java

/*
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you 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.apache.maven.plugin.coreit;

import org.apache.maven.artifact.manager.WagonManager;
import org.apache.maven.plugin.AbstractMojo;
import org.apache.maven.plugin.MojoExecutionException;
import org.apache.maven.plugins.annotations.Component;
import org.apache.maven.plugins.annotations.LifecyclePhase;
import org.apache.maven.plugins.annotations.Mojo;
import org.apache.maven.wagon.Wagon;
import org.apache.maven.wagon.providers.file.FileWagon;
import org.apache.maven.wagon.providers.ssh.jsch.ScpWagon;

/**
 */
@Mojo(name = "use-wagon", defaultPhase = LifecyclePhase.VALIDATE)
public class UsesWagonMojo extends AbstractMojo {

    /**
     */
    @Component
    private WagonManager wagonManager;

    public void execute() throws MojoExecutionException {
        Wagon fileWagon;
        try {
            getLog().info("[MAVEN-CORE-IT-LOG] Looking up wagon for protocol file");
            fileWagon = wagonManager.getWagon("file");
        } catch (Exception e) {
            throw new MojoExecutionException(e.getMessage(), e);
        }
        try {
            FileWagon theWagon = (FileWagon) fileWagon;
        } catch (ClassCastException e) {
            getLog().error("", e);
            getLog().error("Plugin Class Loaded by " + FileWagon.class.getClassLoader());
            getLog().error("Wagon Class Loaded by " + fileWagon.getClass().getClassLoader());

            throw e;
        }

        Wagon scpWagon;
        try {
            getLog().info("[MAVEN-CORE-IT-LOG] Looking up wagon for protocol scp");
            scpWagon = wagonManager.getWagon("scp");
        } catch (Exception e) {
            throw new MojoExecutionException(e.getMessage(), e);
        }
        try {
            ScpWagon theWagon = (ScpWagon) scpWagon;
        } catch (ClassCastException e) {
            getLog().error("", e);
            getLog().error("Plugin Class Loaded by " + ScpWagon.class.getClassLoader());
            getLog().error("Wagon Class Loaded by " + scpWagon.getClass().getClassLoader());

            throw e;
        }
    }
}