/*
* Copyright 2008 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.
* You may obtain a copy of the License at
- *
+ *
* http://www.apache.org/licenses/LICENSE-2.0
- *
+ *
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
import java.util.List;
import java.util.Map;
+
+/**
+ * DOCUMENT ME!
+ *
+ * @author $author$
+ * @version $Revision$
+ */
public class DefaultScope implements Scope {
+ /**
+ * DOCUMENT ME!
+ */
+ private List<Scope> parents;
+
+ /**
+ * DOCUMENT ME!
+ */
+ private Map<String, Object> properties;
+
+ /**
+ * DOCUMENT ME!
+ */
+ private Map<String, Object> runtimes;
+
+ /**
+ * DOCUMENT ME!
+ */
+ private Map<ProvidedInterface, ProvidedInterfaceImplementation> provided;
+
+ /**
+ * DOCUMENT ME!
+ */
+ private List<ProvidedInterface> externallyProvided;
+
+/**
+ * Creates a new DefaultScope object.
+ *
+ * @param aExternallyProvided DOCUMENT ME!
+ */
+ public DefaultScope(List<ProvidedInterface> aExternallyProvided) {
+ this(aExternallyProvided.toArray(new ProvidedInterface[0]));
+ }
+
+/**
+ * Creates a new DefaultScope object.
+ *
+ * @param aExternallyProvided DOCUMENT ME!
+ */
+ public DefaultScope(ProvidedInterface[] aExternallyProvided) {
+ this(aExternallyProvided, new ArrayList<Scope>());
+ }
+
+/**
+ * Creates a new DefaultScope object.
+ *
+ * @param aExternallyProvided DOCUMENT ME!
+ * @param aParent DOCUMENT ME!
+ */
+ public DefaultScope(ProvidedInterface[] aExternallyProvided, Scope aParent) {
+ this(aExternallyProvided, Arrays.asList(new Scope[] { aParent }));
+ }
+
+/**
+ * Creates a new DefaultScope object.
+ *
+ * @param aExternallyProvided DOCUMENT ME!
+ * @param aParent DOCUMENT ME!
+ */
+ 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));
+ }
+
+ /**
+ * DOCUMENT ME!
+ *
+ * @return DOCUMENT ME!
+ */
+ @Override
+ public List<ProvidedInterface> getProvidedInterfaces() {
+ return Collections.unmodifiableList(externallyProvided);
+ }
+
+ /**
+ * DOCUMENT ME!
+ *
+ * @param aKey DOCUMENT ME!
+ *
+ * @return DOCUMENT ME!
+ */
+ @Override
+ public Object get(String aKey) {
+ return properties.get(aKey);
+ }
+
+ /**
+ * DOCUMENT ME!
+ *
+ * @param aKey DOCUMENT ME!
+ * @param aValue DOCUMENT ME!
+ */
+ @Override
+ public void put(String aKey, Object aValue) {
+ properties.put(aKey, aValue);
+ }
+
+ /**
+ * DOCUMENT ME!
+ *
+ * @param aComponent DOCUMENT ME!
+ * @param aRuntime DOCUMENT ME!
+ */
+ @Override
+ public void addRuntime(Component aComponent, Object aRuntime) {
+ runtimes.put(aComponent.getName(), aRuntime);
+ }
+
+ /**
+ * DOCUMENT ME!
+ *
+ * @param aComponent DOCUMENT ME!
+ *
+ * @return DOCUMENT ME!
+ */
+ @Override
+ public Object getRuntime(Component aComponent) {
+ return runtimes.get(aComponent.getName());
+ }
+
+ /**
+ * DOCUMENT ME!
+ *
+ * @param aName DOCUMENT ME!
+ *
+ * @return DOCUMENT ME!
+ */
+ @Override
+ public Object getRuntime(String aName) {
+ return runtimes.get(aName);
+ }
+
+ /**
+ * DOCUMENT ME!
+ *
+ * @param aInterface DOCUMENT ME!
+ * @param aImplementation DOCUMENT ME!
+ */
+ @Override
+ synchronized public void publishInterface(ProvidedInterface aInterface,
+ Object aImplementation) {
+ provided.put(aInterface,
+ new ProvidedInterfaceImplementation(aInterface, aImplementation));
+ }
+
+ /**
+ * DOCUMENT ME!
+ *
+ * @param <T> DOCUMENT ME!
+ * @param aInterface DOCUMENT ME!
+ * @param aType DOCUMENT ME!
+ *
+ * @return DOCUMENT ME!
+ */
+ @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 providedIntf = provided.get(aInterface);
- if (providedIntf == null) {
- for (Scope parent : parents) {
- T impl = parent.getInterfaceImplementation(aInterface, aType);
- if ( impl != null ) {
- return impl;
- }
- }
- return null;
- } else {
- return providedIntf.getImplementation(aType);
- }
- }
+ return null;
+ } else {
+ return providedIntf.getImplementation(aType);
+ }
+ }
}
git://wamblee.org / utils / blobdiff