a2/A2Component.java

   1 package org.argeo.osgi.boot.a2;
   2
   3 import java.util.Collections;
   4 import java.util.SortedMap;
   5 import java.util.TreeMap;
   6
   7 import org.osgi.framework.Version;
   8
   9 class A2Component implements Comparable<A2Component> {
  10         private final A2Contribution contribution;
  11         private final String id;
  12
  13         final SortedMap<String, A2Branch> branches = Collections.synchronizedSortedMap(new TreeMap<>());
  14
  15         public A2Component(A2Contribution contribution, String id) {
  16                 this.contribution = contribution;
  17                 this.id = id;
  18                 contribution.components.put(id, this);
  19         }
  20
  21         A2Branch getOrAddBranch(String branchId) {
  22                 if (branches.containsKey(branchId))
  23                         return branches.get(branchId);
  24                 else
  25                         return new A2Branch(this, branchId);
  26         }
  27
  28         A2Module getOrAddModule(Version version, Object locator) {
  29                 A2Branch branch = getOrAddBranch(A2Branch.versionToBranchId(version));
  30                 A2Module module = branch.getOrAddModule(version, locator);
  31                 return module;
  32         }
  33
  34         A2Branch last() {
  35                 return branches.get(branches.lastKey());
  36         }
  37
  38         A2Contribution getContribution() {
  39                 return contribution;
  40         }
  41
  42         String getId() {
  43                 return id;
  44         }
  45
  46         @Override
  47         public int compareTo(A2Component o) {
  48                 return id.compareTo(o.id);
  49         }
  50
  51         @Override
  52         public int hashCode() {
  53                 return id.hashCode();
  54         }
  55
  56         @Override
  57         public boolean equals(Object obj) {
  58                 if (obj instanceof A2Component) {
  59                         A2Component o = (A2Component) obj;
  60                         return contribution.equals(o.contribution) && id.equals(o.id);
  61                 } else
  62                         return false;
  63         }
  64
  65         @Override
  66         public String toString() {
  67                 return contribution.getId() + ":" + id;
  68         }
  69
  70         void asTree(String prefix, StringBuffer buf) {
  71                 if (prefix == null)
  72                         prefix = "";
  73                 A2Branch lastBranch = last();
  74                 SortedMap<String, A2Branch> displayMap =  new TreeMap<>(Collections.reverseOrder());
  75                 displayMap.putAll(branches);
  76                 for (String branchId : displayMap.keySet()) {
  77                         A2Branch branch = displayMap.get(branchId);
  78                         if (!lastBranch.equals(branch)) {
  79                                 buf.append('\n');
  80                                 buf.append(prefix);
  81                         } else {
  82                                 buf.append(" -");
  83                         }
  84                         buf.append(prefix);
  85                         buf.append(branchId);
  86                         A2Module first = branch.first();
  87                         A2Module last = branch.last();
  88                         buf.append(" (").append(last.getVersion());
  89                         if (!first.equals(last))
  90                                 buf.append(" ... ").append(first.getVersion());
  91                         buf.append(')');
  92                 }
  93         }
  94
  95 }