org.eclipse.scada.build.helper.GenerateQualifierMojo.java Source code

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Here is the source code for org.eclipse.scada.build.helper.GenerateQualifierMojo.java

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/*******************************************************************************
 * Copyright (c) 2013 IBH SYSTEMS GmbH and others.
 * All rights reserved. This program and the accompanying materials
 * are made available under the terms of the Eclipse Public License v1.0
 * which accompanies this distribution, and is available at
 * http://www.eclipse.org/legal/epl-v10.html
 *
 * Contributors:
 *     IBH SYSTEMS GmbH - initial API and implementation
 *******************************************************************************/
package org.eclipse.scada.build.helper;

import java.io.StringReader;
import java.util.Map;

import org.apache.maven.plugin.MojoExecutionException;
import org.apache.maven.plugins.annotations.Component;
import org.apache.maven.plugins.annotations.Mojo;
import org.apache.maven.plugins.annotations.Parameter;
import org.apache.maven.project.MavenProject;
import org.codehaus.plexus.util.xml.Xpp3DomBuilder;
import org.eclipse.scada.build.helper.name.QualifierNameProvider;
import org.eclipse.scada.build.helper.name.QualifierNameProvider.Configuration;

/**
 * Generate qualifier
 * 
 * @author Jens Reimann
 * @since 0.0.1
 */
@Mojo(name = "generate-qualifier", aggregator = true, requiresProject = true, requiresDirectInvocation = true)
public class GenerateQualifierMojo extends AbstractSetQualifierMojo {
    /**
     * @since 0.0.12
     */
    @Parameter(property = "defaultNameProvider", defaultValue = "timestamp")
    protected String defaultNameProvider;

    /**
     * @since 0.0.12
     */
    @Component(role = QualifierNameProvider.class)
    protected Map<String, QualifierNameProvider> nameProviders;

    /**
     * @since 0.0.12
     */
    @Parameter(property = "nameProviderMap")
    private Map<String, String> nameProviderMap;

    /**
     * @since 0.0.12
     */
    @Parameter(property = "nameProviderProperties")
    private Map<String, String> nameProviderProperties;

    @Override
    protected synchronized String getQualifier(final MavenProject project) throws MojoExecutionException {
        String providerType = this.nameProviderMap.get(project.getPackaging());
        if (providerType == null) {
            providerType = this.defaultNameProvider;
        }

        getLog().debug(String.format("Using provider '%s' for project: %s", providerType, project.getId()));

        final QualifierNameProvider nameProvider = this.nameProviders.get(providerType);
        if (nameProvider == null) {
            throw new MojoExecutionException(
                    String.format("Unable to find name provider with hint '%s'", providerType));
        }

        return nameProvider
                .createName(new Configuration(this.session, this.execution, project, this.nameProviderProperties));
    }

    @Override
    public synchronized void execute() throws MojoExecutionException {
        fillFromProperties("nameProviderMap", this.nameProviderMap);
        fillFromProperties("nameProviderProperties", this.nameProviderProperties);

        getLog().info("Name provider properties: " + this.nameProviderProperties);
        getLog().info("Name provider mappings: " + this.nameProviderMap);

        if (this.execution.getPlugin().getConfiguration() == null) {
            // inject dummy configuration, otherwise the jgit provider will fail with a NPE
            try {
                this.execution.getPlugin()
                        .setConfiguration(Xpp3DomBuilder.build(new StringReader("<configuration/>")));
            } catch (final Exception e) {
                throw new RuntimeException(e);
            }
        }

        super.execute();
    }
}