make classifier used to attach the sbom configurable

Signed-off-by: Olivier Lamy <olamy@apache.org>

README.md

@@ -82,7 +82,7 @@ The CycloneDX Maven plugin contains the following three goals:
 * `makeAggregateBom`: creates an aggregate BOM at build root (with dependencies from the whole multi-modules build), and eventually a BOM for each module,
 * `makePackageBom`: creates a BOM for each Maven module with `war` or `ear` packaging.
 
-By default, the BOM(s) will be attached as an additional artifacts with `cyclonedx` classifier and `xml` or `json` extension during a Maven `install` or `deploy`:
+By default, the BOM(s) will be attached as an additional artifacts with `cyclonedx` classifier (can be customized by setting `cyclonedx.classifier`) and `xml` or `json` extension during a Maven `install` or `deploy`:
 
 * `${project.artifactId}-${project.version}-cyclonedx.xml`
 * `${project.artifactId}-${project.version}-cyclonedx.json`

src/main/java/org/cyclonedx/maven/BaseCycloneDxMojo.java

@@ -199,6 +199,14 @@ public abstract class BaseCycloneDxMojo extends AbstractMojo {
  @Parameter(property = "cyclonedx.skipAttach", defaultValue = "false", required = false)
  private boolean skipAttach = false;
 
+ /**
+ * Classifier of the attached sbom
+ *
+ * @since 2.8.1
+ */
+ @Parameter(property = "cyclonedx.classifier", defaultValue = "cyclonedx")
+ private String classifier;
+
  /**
  * Verbose output.
  *
@@ -456,7 +464,7 @@ private void saveBomToFile(String bomString, String extension, Parser bomParser)
 
  if (!skipAttach) {
  getLog().info(String.format(MESSAGE_ATTACHING_BOM, project.getArtifactId(), project.getVersion(), extension));
- mavenProjectHelper.attachArtifact(project, extension, "cyclonedx", bomFile);
+ mavenProjectHelper.attachArtifact(project, extension, classifier, bomFile);
  }
  }