Make common module types implement Locatable

Author: ctrueden

src/main/java/org/scijava/command/CommandInfo.java

@@ -45,6 +45,7 @@
 import org.scijava.Identifiable;
 import org.scijava.InstantiableException;
 import org.scijava.ItemVisibility;
+import org.scijava.Locatable;
 import org.scijava.ValidityProblem;
 import org.scijava.event.EventService;
 import org.scijava.module.Module;
@@ -76,7 +77,7 @@
  *      commands and the rich {@link Module} interface.
  */
 public class CommandInfo extends PluginInfo<Command> implements ModuleInfo,
-	Identifiable
+	Identifiable, Locatable
 {
 
 	/** Wrapped {@link PluginInfo}, if any. */
@@ -422,6 +423,18 @@ public String getIdentifier() {
 		return sb.toString();
 	}
 
+	// -- Locatable methods --
+
+	@Override
+	public String getLocation() {
+		try {
+			return ClassUtils.getLocation(loadDelegateClass()).toExternalForm();
+		}
+		catch (final ClassNotFoundException exc) {
+			return null;
+		}
+	}
+
 	// -- Helper methods --
 
 	/**

src/main/java/org/scijava/module/AbstractModuleInfo.java

@@ -39,9 +39,11 @@
 
 import org.scijava.AbstractUIDetails;
 import org.scijava.Identifiable;
+import org.scijava.Locatable;
 import org.scijava.ValidityProblem;
 import org.scijava.event.EventService;
 import org.scijava.module.event.ModulesUpdatedEvent;
+import org.scijava.util.ClassUtils;
 import org.scijava.util.ConversionUtils;
 
 /**
@@ -54,7 +56,7 @@
  * @author Curtis Rueden
  */
 public abstract class AbstractModuleInfo extends AbstractUIDetails implements
-	ModuleInfo, Identifiable
+	ModuleInfo, Identifiable, Locatable
 {
 
 	/** Table of inputs, keyed on name. */
@@ -170,6 +172,21 @@ public String getIdentifier() {
 		return "module:" + getDelegateClassName();
 	}
 
+	// -- Locatable methods --
+
+	@Override
+	public String getLocation() {
+		// NB: By default, we use the location of the delegate class.
+		// If the same delegate class is used for more than one module, though,
+		// it may need to override this method to indicate a different location.
+		try {
+			return ClassUtils.getLocation(loadDelegateClass()).toExternalForm();
+		}
+		catch (final ClassNotFoundException exc) {
+			return null;
+		}
+	}
+
 	// -- Internal methods --
 
 	/**

src/main/java/org/scijava/script/ScriptInfo.java

@@ -277,6 +277,13 @@ public String getIdentifier() {
 		return "script:" + path;
 	}
 
+	// -- Locatable methods --
+
+	@Override
+	public String getLocation() {
+		return new File(path).toURI().normalize().toString();
+	}
+
 	// -- Helper methods --
 
 	private void parseParam(final String param) throws ScriptException {