Merge tag 'v2.3.28' into testing

[lgpl/argeo-commons.git] / org.argeo.init / src / org / argeo / api / a2 / A2Component.java

diff --git a/org.argeo.init/src/org/argeo/api/a2/A2Component.java b/org.argeo.init/src/org/argeo/api/a2/A2Component.java
new file mode 100644 (file)
index 0000000..d8b7512
--- /dev/null
+++ b/org.argeo.init/src/org/argeo/api/a2/A2Component.java
@@ -0,0 +1,105 @@
+package org.argeo.api.a2;
+
+import java.util.Collections;
+import java.util.SortedMap;
+import java.util.TreeMap;
+
+import org.osgi.framework.Version;
+
+/**
+ * The logical name of a software package. In OSGi's case this is
+ * <code>Bundle-SymbolicName</code>. This is the equivalent of Maven's artifact
+ * id.
+ */
+public class A2Component implements Comparable<A2Component> {
+       private final A2Contribution contribution;
+       private final String id;
+
+       final SortedMap<String, A2Branch> branches = Collections.synchronizedSortedMap(new TreeMap<>());
+
+       public A2Component(A2Contribution contribution, String id) {
+               this.contribution = contribution;
+               this.id = id;
+               contribution.components.put(id, this);
+       }
+
+       public Iterable<A2Branch> listBranches(Object filter) {
+               return branches.values();
+       }
+
+       A2Branch getOrAddBranch(String branchId) {
+               if (!branches.containsKey(branchId)) {
+                       A2Branch a2Branch = new A2Branch(this, branchId);
+                       branches.put(branchId, a2Branch);
+               }
+               return branches.get(branchId);
+       }
+
+       A2Module getOrAddModule(Version version, Object locator) {
+               A2Branch branch = getOrAddBranch(A2Branch.versionToBranchId(version));
+               A2Module module = branch.getOrAddModule(version, locator);
+               return module;
+       }
+
+       public A2Branch last() {
+               return branches.get(branches.lastKey());
+       }
+
+       public A2Contribution getContribution() {
+               return contribution;
+       }
+
+       public String getId() {
+               return id;
+       }
+
+       @Override
+       public int compareTo(A2Component o) {
+               return id.compareTo(o.id);
+       }
+
+       @Override
+       public int hashCode() {
+               return id.hashCode();
+       }
+
+       @Override
+       public boolean equals(Object obj) {
+               if (obj instanceof A2Component) {
+                       A2Component o = (A2Component) obj;
+                       return contribution.equals(o.contribution) && id.equals(o.id);
+               } else
+                       return false;
+       }
+
+       @Override
+       public String toString() {
+               return contribution.getId() + ":" + id;
+       }
+
+       void asTree(String prefix, StringBuffer buf) {
+               if (prefix == null)
+                       prefix = "";
+               A2Branch lastBranch = last();
+               SortedMap<String, A2Branch> displayMap = new TreeMap<>(Collections.reverseOrder());
+               displayMap.putAll(branches);
+               for (String branchId : displayMap.keySet()) {
+                       A2Branch branch = displayMap.get(branchId);
+                       if (!lastBranch.equals(branch)) {
+                               buf.append('\n');
+                               buf.append(prefix);
+                       } else {
+                               buf.append(" -");
+                       }
+                       buf.append(prefix);
+                       buf.append(branchId);
+                       A2Module first = branch.first();
+                       A2Module last = branch.last();
+                       buf.append(" (").append(last.getVersion());
+                       if (!first.equals(last))
+                               buf.append(" ... ").append(first.getVersion());
+                       buf.append(')');
+               }
+       }
+
+}