~~ specific language governing permissions and limitations
~~ under the License.

 ---
 Legacy Artifact Handlers Reference
 ---
 Hervé Boutemy
 ---
 2013-08-02
 ---

Legacy Artifact Handlers Reference

  Maven 3 artifact handlers (see {{{../../compat/maven-artifact/apidocs/org/apache/maven/artifact/handler/ArtifactHandler.html} API}})

    }

    File getTouchfile(Artifact artifact) {
        StringBuilder sb = new StringBuilder(128);
        sb.append(artifact.getArtifactId());
        sb.append('-').append(artifact.getBaseVersion());
        if (artifact.getClassifier() != null) {
            sb.append('-').append(artifact.getClassifier());
        }
        sb.append('.').append(artifact.getType()).append(LAST_UPDATE_TAG);

            if ("pom".equals(artifact.getExtension()) || artifact.getExtension().startsWith("pom.")) {
                if (CONSUMER_POM_CLASSIFIER.equals(artifact.getClassifier())) {
                    consumers.add(artifact);
                } else if ("".equals(artifact.getClassifier())) {
                    mains.add(artifact);
                }
            }
        }

            LOGGER.error("Error while copying artifact " + artifact + " to project local repository.", e);
        }
    }

    private Path getArtifactPath(Artifact artifact) {
        String groupId = artifact.getGroupId();
        String artifactId = artifact.getArtifactId();
        String version = artifact.getBaseVersion();
        String classifier = artifact.getClassifier();

        }
        log.debug("Populating class realm {}", realm.getId());
        for (Artifact artifact : artifacts) {
            String id = artifact.getGroupId() + ":" + artifact.getArtifactId();
            if (providedArtifacts.contains(id)) {
                log.debug("  Excluded {}", id);
            } else {
                File file = artifact.getFile();
                log.debug("  Included {} located at {}", id, file);

                }
            }
        }

        // ArtifactId is required and cannot be inherited
        if (artifactId == null || artifactId.isEmpty()) {
            context.debug("Cannot determine artifactId for POM");
            return null;
        }

        // GroupId and version can be inherited, but if still null, we can't create a valid Artifact

        }
        log.debug("Populating class realm {}", realm.getId());
        for (Artifact artifact : artifacts) {
            String id = artifact.getGroupId() + ":" + artifact.getArtifactId();
            if (providedArtifacts.contains(id)) {
                log.debug("  Excluded {}", id);
            } else {
                Path file = artifact.getPath();
                log.debug("  Included {} located at {}", id, file);

                        artifact.getId(), "Error resolving project artifact: " + e.getMessage(), e);
            }

            Path pomFile = pomArtifact.getPath();

            if (!artifact.isResolved() && "pom".equals(artifact.getType())) {
                artifact.selectVersion(pomArtifact.getVersion());
                artifact.setFile(pomFile.toFile());
                artifact.setResolved(true);
            }

        Artifact artifact = createArtifact(artifactId, version);

        createArtifact(artifact, remoteRepository());

        return artifact;
    }

    protected void createLocalArtifact(Artifact artifact) throws Exception {
        createArtifact(artifact, localRepository());
    }

    protected void createRemoteArtifact(Artifact artifact) throws Exception {

        requireNonNull(project, "project cannot be null");
        requireNonNull(artifact, "artifact cannot be null");
        requireNonNull(path, "path cannot be null");
        if (artifact.getGroupId().isEmpty()
                || artifact.getArtifactId().isEmpty()
                || artifact.getBaseVersion().toString().isEmpty()) {