/**
* Get plugin management version properties from a remote POM
*
* @return Map between the GA of the plugin and the version of the plugin. If the system property
* is not set, returns an empty map.
*/
private static Map<String, String> loadRemotePluginVersionOverrides()
throws MavenExecutionException {
Properties systemProperties = System.getProperties();
String pluginMgmtCSV = systemProperties.getProperty(PLUGIN_MANAGEMENT_POM_PROPERTY);
Map<String, String> versionOverrides = new HashMap<String, String>(0);
if (pluginMgmtCSV == null) {
return versionOverrides;
}
String[] pluginMgmtPomGAVs = pluginMgmtCSV.split(",");
// Iterate in reverse order so that the first GAV in the list overwrites the last
for (int i = (pluginMgmtPomGAVs.length - 1); i > -1; --i) {
String nextGAV = pluginMgmtPomGAVs[i];
if (!MavenUtil.validGav(nextGAV)) {
Log.getLog().warn("Skipping invalid plugin management GAV: " + nextGAV);
continue;
}
try {
AbstractEffectiveModelBuilder resolver = AbstractEffectiveModelBuilder.getInstance();
versionOverrides.putAll(resolver.getRemotePluginVersionOverrides(nextGAV));
} catch (Exception e) {
Log.getLog().error("Unable to resolve remote pom: " + e);
throw new MavenExecutionException("Unable to resolve remote pom", e);
}
}
return versionOverrides;
}
@Override
public boolean updateModel(Model model) throws MavenExecutionException {
Map<String, String> versionOverrides = getVersionOverrides();
if (versionOverrides.size() == 0) {
return false;
}
// If the model doesn't have any plugin management set by default, create one for it
PluginManagement pluginManagement = model.getBuild().getPluginManagement();
if (pluginManagement == null) {
pluginManagement = new PluginManagement();
model.getBuild().setPluginManagement(pluginManagement);
Log.getLog().debug("Created new Plugin Management for model");
}
// Override plugin management versions
applyOverrides(pluginManagement.getPlugins(), versionOverrides);
// Override plugin versions
List<Plugin> projectPlugins = model.getBuild().getPlugins();
applyOverrides(projectPlugins, versionOverrides);
// Include the overrides in the built files for repeatability
writeOverrideMap(model, getName(), versionOverrides);
// Assuming the Model changed since overrides were given
return true;
}
/**
* Set the versions of any plugins which match the contents of the list of plugin overrides
*
* @param plugins The list of plugins to modify
* @param pluginVersionOverrides The list of version overrides to apply to the plugins
*/
private static void applyOverrides(
List<Plugin> plugins, Map<String, String> pluginVersionOverrides) {
for (Plugin plugin : plugins) {
String groupIdArtifactId = plugin.getGroupId() + GAV_SEPERATOR + plugin.getArtifactId();
if (pluginVersionOverrides.containsKey(groupIdArtifactId)) {
String overrideVersion = pluginVersionOverrides.get(groupIdArtifactId);
plugin.setVersion(overrideVersion);
Log.getLog().debug("Altered plugin: " + groupIdArtifactId + "=" + overrideVersion);
}
}
}