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// Copyright Yahoo. Licensed under the terms of the Apache 2.0 license. See LICENSE in the project root.
package com.yahoo.container.plugin.mojo;
import org.apache.maven.execution.MavenSession;
import org.apache.maven.model.Dependency;
import org.apache.maven.plugin.AbstractMojo;
import org.apache.maven.plugin.MojoExecutionException;
import org.apache.maven.plugin.MojoFailureException;
import org.apache.maven.plugin.BuildPluginManager;
import org.apache.maven.plugins.annotations.Mojo;
import org.apache.maven.plugins.annotations.Component;
import org.apache.maven.plugins.annotations.Parameter;
import org.apache.maven.plugins.annotations.ResolutionScope;
import org.apache.maven.project.MavenProject;
import org.codehaus.plexus.component.annotations.Requirement;
import java.io.FileNotFoundException;
import java.io.IOException;
import java.util.Arrays;
import java.util.Collection;
import java.util.Iterator;
import java.util.Properties;
import java.util.regex.Pattern;
import static org.twdata.maven.mojoexecutor.MojoExecutor.*;
/**
* Calls the generate-sources phase in the container lifecycle defined in lifecycle.xml.
*
* @author Tony Vaagenes
*/
@Mojo(name = "generateSources", requiresDependencyResolution = ResolutionScope.COMPILE, threadSafe = true)
public class GenerateSourcesMojo extends AbstractMojo {
@Parameter(defaultValue = "${project}")
protected org.apache.maven.project.MavenProject project;
@Parameter(defaultValue = "${session}", readonly = true, required = true)
protected MavenSession session;
@Component
@Requirement
private BuildPluginManager pluginManager;
@Parameter
protected String configGenVersion;
@Override
public void execute() throws MojoExecutionException, MojoFailureException {
String configGenVersion = getConfigGenVersion();
getLog().debug("configGenVersion = " + configGenVersion);
executeMojo(
plugin(
groupId("com.yahoo.vespa"),
artifactId("config-class-plugin"),
version(releaseVersion(configGenVersion))),
goal("config-gen"),
configuration(
element(name("defFilesDirectories"), "src/main/resources/configdefinitions")),
createExecutionEnvironment());
//Compile source roots added in container-lifecycle is not currently
//propagated automatically to this project.
project.addCompileSourceRoot(project.getBuild().getDirectory() + "/generated-sources/vespa-configgen-plugin");
}
private ExecutionEnvironment createExecutionEnvironment() throws MojoExecutionException {
return executionEnvironment(
project,
session,
pluginManager);
}
private String getConfigGenVersion() throws MojoExecutionException {
if (configGenVersion != null && !configGenVersion.isEmpty()) {
return configGenVersion;
}
Dependency container = getVespaDependency("container");
if (container != null)
return container.getVersion();
Dependency containerDev = getVespaDependency("container-dev");
if (containerDev != null)
return containerDev.getVersion();
Dependency docproc = getVespaDependency("docproc");
if (docproc != null)
return docproc.getVersion();
MavenProject parent = getVespaParent();
if (parent != null)
return parent.getVersion();
String defaultConfigGenVersion = loadDefaultConfigGenVersion();
getLog().warn(String.format(
"Did not find either container or container-dev artifact in project dependencies, "
+ "using default version '%s' of the config class plugin.",
defaultConfigGenVersion));
return defaultConfigGenVersion;
}
static String loadDefaultConfigGenVersion() throws MojoExecutionException {
Properties props = new Properties();
try {
props.load(GenerateSourcesMojo.class.getResourceAsStream("/build.properties"));
} catch (IOException e) {
throw new MojoExecutionException("Failed to resolve version of com.yahoo.vespa:config-class-plugin.",
new FileNotFoundException("/build.properties"));
}
return props.getProperty("projectVersion");
}
private MavenProject getVespaParent() {
MavenProject parent = project.getParent();
if (parent != null &&
"com.yahoo.vespa".equals(parent.getGroupId()) &&
"parent".equals(parent.getArtifactId())) {
return parent;
}
return null;
}
private Dependency getVespaDependency(String artifactId) {
for (Object element : project.getDependencies()) {
Dependency dependency = (Dependency) element;
if ("com.yahoo.vespa".equals(dependency.getGroupId()) &&
artifactId.equals(dependency.getArtifactId())) {
return dependency;
}
}
return null;
}
static String releaseVersion(String mavenVersion) {
if (mavenVersion.endsWith("-SNAPSHOT")) {
return mavenVersion;
} else {
String[] parts = mavenVersion.split(Pattern.quote("."));
if (parts.length <= 3) {
return mavenVersion;
} else {
return stringJoin(Arrays.asList(parts).subList(0, 3), ".");
}
}
}
static String stringJoin(Collection<String> elements, String sep) {
StringBuilder builder = new StringBuilder();
Iterator<String> i = elements.iterator();
if (i.hasNext())
builder.append(i.next());
while(i.hasNext()) {
builder.append(sep).append(i.next());
}
return builder.toString();
}
}
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