X-Git-Url: http://source.jalview.org/gitweb/?a=blobdiff_plain;f=src%2Fjalview%2Fdatamodel%2Ffeatures%2FFeatureSources.java;fp=src%2Fjalview%2Fdatamodel%2Ffeatures%2FFeatureSources.java;h=96efb41634f7b06dab9f1ecc635b25ca8120025c;hb=a34a5d900ab631add6e0bb8708f01327345a258f;hp=0000000000000000000000000000000000000000;hpb=06de78be50c3934158fa1d35ec92ad86b54e959f;p=jalview.git

diff --git a/src/jalview/datamodel/features/FeatureSources.java b/src/jalview/datamodel/features/FeatureSources.java
new file mode 100644
index 0000000..96efb41
--- /dev/null
+++ b/src/jalview/datamodel/features/FeatureSources.java
@@ -0,0 +1,51 @@
+package jalview.datamodel.features;
+
+import java.util.HashMap;
+import java.util.Map;
+
+public class FeatureSources
+{
+  private static FeatureSources instance = new FeatureSources();
+
+  private Map<String, FeatureSourceI> sources;
+
+  /**
+   * Answers the singelton instance of this class
+   * 
+   * @return
+   */
+  public static FeatureSources getInstance()
+  {
+    return instance;
+  }
+
+  private FeatureSources()
+  {
+    sources = new HashMap<>();
+  }
+
+  /**
+   * Answers the FeatureSource with the given unique identifier, or null if not
+   * known
+   * 
+   * @param sourceId
+   * @return
+   */
+  public FeatureSourceI getSource(String sourceId)
+  {
+    return sources.get(sourceId);
+  }
+
+  /**
+   * Adds the given source under the given key. This will replace any existing
+   * source with the same id, it is the caller's responsibility to ensure keys
+   * are unique if necessary.
+   * 
+   * @param sourceId
+   * @param source
+   */
+  public void addSource(String sourceId, FeatureSource source)
+  {
+    sources.put(sourceId, source);
+  }
+}