org.argeo.osgi.boot/src/org/argeo/osgi/a2/A2Contribution.java

   1 package org.argeo.osgi.a2;
   2
   3 import java.util.Collections;
   4 import java.util.Map;
   5 import java.util.TreeMap;
   6
   7 /**
   8  * A category grouping a set of {@link A2Component}, typically based on the
   9  * provider of these components. This is the equivalent of Maven's group Id.
  10  */
  11 public class A2Contribution implements Comparable<A2Contribution> {
  12         final static String BOOT = "boot";
  13         final static String RUNTIME = "runtime";
  14         final static String CLASSPATH = "classpath";
  15
  16         private final ProvisioningSource source;
  17         private final String id;
  18
  19         final Map<String, A2Component> components = Collections.synchronizedSortedMap(new TreeMap<>());
  20
  21         /**
  22          * The contribution must be added to the source. Rather use
  23          * {@link AbstractProvisioningSource#getOrAddContribution(String)} than this
  24          * contructor directly.
  25          */
  26         public A2Contribution(ProvisioningSource context, String id) {
  27                 this.source = context;
  28                 this.id = id;
  29 //              if (context != null)
  30 //                      context.contributions.put(id, this);
  31         }
  32
  33         A2Component getOrAddComponent(String componentId) {
  34                 if (components.containsKey(componentId))
  35                         return components.get(componentId);
  36                 else
  37                         return new A2Component(this, componentId);
  38         }
  39
  40         public ProvisioningSource getSource() {
  41                 return source;
  42         }
  43
  44         public String getId() {
  45                 return id;
  46         }
  47
  48         @Override
  49         public int compareTo(A2Contribution o) {
  50                 return id.compareTo(o.id);
  51         }
  52
  53         @Override
  54         public int hashCode() {
  55                 return id.hashCode();
  56         }
  57
  58         @Override
  59         public boolean equals(Object obj) {
  60                 if (obj instanceof A2Contribution) {
  61                         A2Contribution o = (A2Contribution) obj;
  62                         return id.equals(o.id);
  63                 } else
  64                         return false;
  65         }
  66
  67         @Override
  68         public String toString() {
  69                 return id;
  70         }
  71
  72         void asTree(String prefix, StringBuffer buf) {
  73                 if (prefix == null)
  74                         prefix = "";
  75                 for (String componentId : components.keySet()) {
  76                         buf.append(prefix);
  77                         buf.append(componentId);
  78                         A2Component component = components.get(componentId);
  79                         component.asTree(prefix, buf);
  80                         buf.append('\n');
  81                 }
  82         }
  83
  84 }