--- /dev/null
+package org.argeo.slc.repo.osgi;
+
+import java.io.File;
+import java.util.Map;
+
+import org.eclipse.aether.artifact.AbstractArtifact;
+import org.eclipse.aether.artifact.Artifact;
+
+/**
+ * An artifact whose identity is derived from another artifact. <em>Note:</em>
+ * Instances of this class are immutable and the exposed mutators return new
+ * objects rather than changing the current instance.
+ */
+final class SubArtifact extends AbstractArtifact {
+
+ private final Artifact mainArtifact;
+
+ private final String classifier;
+
+ private final String extension;
+
+ private final File file;
+
+ private final Map<String, String> properties;
+
+ /**
+ * Creates a new sub artifact. The classifier and extension specified for this
+ * artifact may use the asterisk character "*" to refer to the corresponding
+ * property of the main artifact. For instance, the classifier "*-sources" can
+ * be used to refer to the source attachment of an artifact. Likewise, the
+ * extension "*.asc" can be used to refer to the GPG signature of an artifact.
+ *
+ * @param mainArtifact The artifact from which to derive the identity, must not
+ * be {@code null}.
+ * @param classifier The classifier for this artifact, may be {@code null} if
+ * none.
+ * @param extension The extension for this artifact, may be {@code null} if
+ * none.
+ */
+ public SubArtifact(Artifact mainArtifact, String classifier, String extension) {
+ this(mainArtifact, classifier, extension, (File) null);
+ }
+
+ /**
+ * Creates a new sub artifact. The classifier and extension specified for this
+ * artifact may use the asterisk character "*" to refer to the corresponding
+ * property of the main artifact. For instance, the classifier "*-sources" can
+ * be used to refer to the source attachment of an artifact. Likewise, the
+ * extension "*.asc" can be used to refer to the GPG signature of an artifact.
+ *
+ * @param mainArtifact The artifact from which to derive the identity, must not
+ * be {@code null}.
+ * @param classifier The classifier for this artifact, may be {@code null} if
+ * none.
+ * @param extension The extension for this artifact, may be {@code null} if
+ * none.
+ * @param file The file for this artifact, may be {@code null} if
+ * unresolved.
+ */
+ public SubArtifact(Artifact mainArtifact, String classifier, String extension, File file) {
+ this(mainArtifact, classifier, extension, null, file);
+ }
+
+ /**
+ * Creates a new sub artifact. The classifier and extension specified for this
+ * artifact may use the asterisk character "*" to refer to the corresponding
+ * property of the main artifact. For instance, the classifier "*-sources" can
+ * be used to refer to the source attachment of an artifact. Likewise, the
+ * extension "*.asc" can be used to refer to the GPG signature of an artifact.
+ *
+ * @param mainArtifact The artifact from which to derive the identity, must not
+ * be {@code null}.
+ * @param classifier The classifier for this artifact, may be {@code null} if
+ * none.
+ * @param extension The extension for this artifact, may be {@code null} if
+ * none.
+ * @param properties The properties of the artifact, may be {@code null}.
+ */
+ public SubArtifact(Artifact mainArtifact, String classifier, String extension, Map<String, String> properties) {
+ this(mainArtifact, classifier, extension, properties, null);
+ }
+
+ /**
+ * Creates a new sub artifact. The classifier and extension specified for this
+ * artifact may use the asterisk character "*" to refer to the corresponding
+ * property of the main artifact. For instance, the classifier "*-sources" can
+ * be used to refer to the source attachment of an artifact. Likewise, the
+ * extension "*.asc" can be used to refer to the GPG signature of an artifact.
+ *
+ * @param mainArtifact The artifact from which to derive the identity, must not
+ * be {@code null}.
+ * @param classifier The classifier for this artifact, may be {@code null} if
+ * none.
+ * @param extension The extension for this artifact, may be {@code null} if
+ * none.
+ * @param properties The properties of the artifact, may be {@code null}.
+ * @param file The file for this artifact, may be {@code null} if
+ * unresolved.
+ */
+ public SubArtifact(Artifact mainArtifact, String classifier, String extension, Map<String, String> properties,
+ File file) {
+ if (mainArtifact == null) {
+ throw new IllegalArgumentException("no artifact specified");
+ }
+ this.mainArtifact = mainArtifact;
+ this.classifier = classifier;
+ this.extension = extension;
+ this.file = file;
+ this.properties = copyProperties(properties);
+ }
+
+ private SubArtifact(Artifact mainArtifact, String classifier, String extension, File file,
+ Map<String, String> properties) {
+ // NOTE: This constructor assumes immutability of the provided properties, for
+ // internal use only
+ this.mainArtifact = mainArtifact;
+ this.classifier = classifier;
+ this.extension = extension;
+ this.file = file;
+ this.properties = properties;
+ }
+
+ public String getGroupId() {
+ return mainArtifact.getGroupId();
+ }
+
+ public String getArtifactId() {
+ return mainArtifact.getArtifactId();
+ }
+
+ public String getVersion() {
+ return mainArtifact.getVersion();
+ }
+
+ public String getBaseVersion() {
+ return mainArtifact.getBaseVersion();
+ }
+
+ public boolean isSnapshot() {
+ return mainArtifact.isSnapshot();
+ }
+
+ public String getClassifier() {
+ return expand(classifier, mainArtifact.getClassifier());
+ }
+
+ public String getExtension() {
+ return expand(extension, mainArtifact.getExtension());
+ }
+
+ public File getFile() {
+ return file;
+ }
+
+ public Artifact setFile(File file) {
+ if ((this.file == null) ? file == null : this.file.equals(file)) {
+ return this;
+ }
+ return new SubArtifact(mainArtifact, classifier, extension, file, properties);
+ }
+
+ public Map<String, String> getProperties() {
+ return properties;
+ }
+
+ public Artifact setProperties(Map<String, String> properties) {
+ if (this.properties.equals(properties) || (properties == null && this.properties.isEmpty())) {
+ return this;
+ }
+ return new SubArtifact(mainArtifact, classifier, extension, properties, file);
+ }
+
+ private static String expand(String pattern, String replacement) {
+ String result = "";
+ if (pattern != null) {
+ result = pattern.replace("*", replacement);
+
+ if (replacement.length() <= 0) {
+ if (pattern.startsWith("*")) {
+ int i = 0;
+ for (; i < result.length(); i++) {
+ char c = result.charAt(i);
+ if (c != '-' && c != '.') {
+ break;
+ }
+ }
+ result = result.substring(i);
+ }
+ if (pattern.endsWith("*")) {
+ int i = result.length() - 1;
+ for (; i >= 0; i--) {
+ char c = result.charAt(i);
+ if (c != '-' && c != '.') {
+ break;
+ }
+ }
+ result = result.substring(0, i + 1);
+ }
+ }
+ }
+ return result;
+ }
+
+}
\ No newline at end of file
projects / gpl / argeo-jcr.git / blobdiff