X-Git-Url: http://wamblee.org/gitweb/?a=blobdiff_plain;f=system%2Fgeneral%2Fsrc%2Fmain%2Fjava%2Forg%2Fwamblee%2Fsystem%2Fcore%2FDefaultScope.java;h=d3f62a7b88404a3ae6612422ec8b28c4d5114094;hb=dec278a67997ea8e85d10662e31548afd8890ed3;hp=50c6cc3b2ad6ebd682b0f57336963e019b34c1be;hpb=e1975449f1bf16ccb441632d68e440f3e3704a79;p=utils

diff --git a/system/general/src/main/java/org/wamblee/system/core/DefaultScope.java b/system/general/src/main/java/org/wamblee/system/core/DefaultScope.java
index 50c6cc3b..d3f62a7b 100644
--- a/system/general/src/main/java/org/wamblee/system/core/DefaultScope.java
+++ b/system/general/src/main/java/org/wamblee/system/core/DefaultScope.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2008 the original author or authors.
+ * Copyright 2005-2010 the original author or authors.
  * 
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -22,90 +22,117 @@ import java.util.HashMap;
 import java.util.List;
 import java.util.Map;
 
+/**
+ * 
+ * @author $author$
+ * @version $Revision$
+ */
 public class DefaultScope implements Scope {
+    private List<Scope> parents;
+
+    private Map<String, Object> properties;
+
+    private Map<String, Object> runtimes;
+
+    private Map<ProvidedInterface, ProvidedInterfaceImplementation> provided;
+
+    private List<ProvidedInterface> externallyProvided;
+
+    /**
+     * Creates a new DefaultScope object.
+     * 
+     */
+    public DefaultScope(List<ProvidedInterface> aExternallyProvided) {
+        this(aExternallyProvided.toArray(new ProvidedInterface[0]));
+    }
+
+    /**
+     * Creates a new DefaultScope object.
+     * 
+     */
+    public DefaultScope(ProvidedInterface[] aExternallyProvided) {
+        this(aExternallyProvided, new ArrayList<Scope>());
+    }
+
+    /**
+     * Creates a new DefaultScope object.
+     * 
+     */
+    public DefaultScope(ProvidedInterface[] aExternallyProvided, Scope aParent) {
+        this(aExternallyProvided, Arrays.asList(new Scope[] { aParent }));
+    }
+
+    /**
+     * Creates a new DefaultScope object.
+     * 
+     */
+    public DefaultScope(ProvidedInterface[] aExternallyProvided,
+        List<Scope> aParent) {
+        parents = new ArrayList<Scope>(aParent);
+        properties = new HashMap<String, Object>();
+        runtimes = new HashMap<String, Object>();
+        provided = new HashMap<ProvidedInterface, ProvidedInterfaceImplementation>();
+        externallyProvided = new ArrayList<ProvidedInterface>();
+        externallyProvided.addAll(Arrays.asList(aExternallyProvided));
+    }
+
+    @Override
+    public List<ProvidedInterface> getProvidedInterfaces() {
+        return Collections.unmodifiableList(externallyProvided);
+    }
+
+    @Override
+    public Object get(String aKey) {
+        return properties.get(aKey);
+    }
+
+    @Override
+    public void put(String aKey, Object aValue) {
+        properties.put(aKey, aValue);
+    }
+
+    @Override
+    public void addRuntime(Component aComponent, Object aRuntime) {
+        runtimes.put(aComponent.getName(), aRuntime);
+    }
+
+    @Override
+    public Object getRuntime(Component aComponent) {
+        return runtimes.get(aComponent.getName());
+    }
+
+    @Override
+    public Object getRuntime(String aName) {
+        return runtimes.get(aName);
+    }
+
+    @Override
+    synchronized public void publishInterface(ProvidedInterface aInterface,
+        Object aImplementation) {
+        provided.put(aInterface, new ProvidedInterfaceImplementation(
+            aInterface, aImplementation));
+    }
+
+    @Override
+    public <T> T getInterfaceImplementation(ProvidedInterface aInterface,
+        Class<T> aType) {
+        if (aInterface == null) {
+            return null;
+        }
+
+        ProvidedInterfaceImplementation providedIntf = provided.get(aInterface);
+
+        if (providedIntf == null) {
+            for (Scope parent : parents) {
+                T impl = parent.getInterfaceImplementation(aInterface, aType);
+
+                if (impl != null) {
+                    return impl;
+                }
+            }
 
-	private List<Scope> _parents;
-	private Map<String, Object> _properties;
-	private Map<String, Object> _runtimes;
-	private Map<ProvidedInterface, ProvidedInterfaceImplementation> _provided;
-	private List<ProvidedInterface> _externallyProvided;
-	
-	public DefaultScope(List<ProvidedInterface>aExternallyProvided) { 
-	    this(aExternallyProvided.toArray(new ProvidedInterface[0]));
-	}
-
-	public DefaultScope(ProvidedInterface[] aExternallyProvided) {
-		this(aExternallyProvided, new ArrayList<Scope>());
-	}
-
-	public DefaultScope(ProvidedInterface[] aExternallyProvided, Scope aParent) {
-		this(aExternallyProvided, Arrays.asList(new Scope[] { aParent }));
-	}
-
-	public DefaultScope(ProvidedInterface[] aExternallyProvided,
-			List<Scope> aParent) {
-		_parents = new ArrayList<Scope>(aParent);
-		_properties = new HashMap<String, Object>();
-		_runtimes = new HashMap<String, Object>();
-		_provided = new HashMap<ProvidedInterface, ProvidedInterfaceImplementation>();
-		_externallyProvided = new ArrayList<ProvidedInterface>(); 
-		_externallyProvided.addAll(Arrays.asList(aExternallyProvided));
-	}
-
-	@Override
-	public List<ProvidedInterface> getProvidedInterfaces() {
-		return Collections.unmodifiableList(_externallyProvided);
-	}
-
-	@Override
-	public Object get(String aKey) {
-		return _properties.get(aKey);
-	}
-
-	@Override
-	public void put(String aKey, Object aValue) {
-		_properties.put(aKey, aValue);
-	}
-
-	@Override
-	public void addRuntime(Component aComponent, Object aRuntime) {
-		_runtimes.put(aComponent.getName(), aRuntime);
-	}
-
-	@Override
-	public Object getRuntime(Component aComponent) {
-		return _runtimes.get(aComponent.getName());
-	}
-	
-	@Override
-	public Object getRuntime(String aName) {
-	    return _runtimes.get(aName);
-	}
-
-	@Override
-	synchronized public void publishInterface(ProvidedInterface aInterface,
-			Object aImplementation) {
-		_provided.put(aInterface, new ProvidedInterfaceImplementation(aInterface,
-				aImplementation));
-	}
-
-	@Override
-	public <T> T getInterfaceImplementation(ProvidedInterface aInterface,
-			Class<T> aType) {
-		if ( aInterface == null ) { 
-			return null; 
-		} 
-		ProvidedInterfaceImplementation provided = _provided.get(aInterface);
-		if (provided == null) {
-			for (Scope parent : _parents) {
-				T impl = parent.getInterfaceImplementation(aInterface, aType);
-				if ( impl != null ) { 
-					return impl; 
-				}
-			}
-			return null; 
-		} else {
-			return provided.getImplementation(aType);
-		}
-	}
+            return null;
+        }
+        return providedIntf.getImplementation(aType);
+    }
 }