diff options
Diffstat (limited to 'sca-java-1.x/tags/java-M1-final/java/sca/core/src/main/java/org/apache/tuscany/core/system/injection/AutowireObjectFactory.java')
-rw-r--r-- | sca-java-1.x/tags/java-M1-final/java/sca/core/src/main/java/org/apache/tuscany/core/system/injection/AutowireObjectFactory.java | 72 |
1 files changed, 72 insertions, 0 deletions
diff --git a/sca-java-1.x/tags/java-M1-final/java/sca/core/src/main/java/org/apache/tuscany/core/system/injection/AutowireObjectFactory.java b/sca-java-1.x/tags/java-M1-final/java/sca/core/src/main/java/org/apache/tuscany/core/system/injection/AutowireObjectFactory.java new file mode 100644 index 0000000000..6c1d291673 --- /dev/null +++ b/sca-java-1.x/tags/java-M1-final/java/sca/core/src/main/java/org/apache/tuscany/core/system/injection/AutowireObjectFactory.java @@ -0,0 +1,72 @@ +/** + * + * Copyright 2005 The Apache Software Foundation or its licensors, as applicable. + * + * 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. See the License for the specific language + * governing permissions and limitations under the License. + */ +package org.apache.tuscany.core.system.injection; + +import org.apache.tuscany.core.builder.ContextResolver; +import org.apache.tuscany.core.builder.ObjectFactory; +import org.apache.tuscany.core.context.CompositeContext; +import org.apache.tuscany.core.context.AutowireContext; +import org.apache.tuscany.core.injection.FactoryInitException; +import org.apache.tuscany.core.injection.ObjectCreationException; + +/** + * Returns an instance by resolving against an AutowireContext. + * + * @version $Rev: 385139 $ $Date: 2006-03-11 11:03:11 -0800 (Sat, 11 Mar 2006) $ + */ +public class AutowireObjectFactory<T> implements ObjectFactory<T> { + + private ContextResolver resolver; + + private Class<T> autowireType; + + /** + * + * @throws FactoryInitException + */ + public AutowireObjectFactory(Class<T> autowireType,ContextResolver resolver) { + assert (autowireType != null) : "Target interface was null"; + this.resolver = resolver; + this.autowireType = autowireType; + } + + /** + * Creates a new factory that resolves against the cuurent context using the given implementation type + * + * @throws FactoryInitException + */ + public AutowireObjectFactory(Class<T> implementationType) { + this(implementationType, null); + } + + public T getInstance() throws ObjectCreationException { + CompositeContext parent = resolver.getCurrentContext(); + if (parent == null) { + return null;// FIXME semantic here means required is not followed + } + if (!(parent instanceof AutowireContext)) { + ObjectCreationException e = new ObjectCreationException("Parent does not implement " + + AutowireContext.class.getName()); + e.setIdentifier(parent.getName()); + throw e; + } + AutowireContext ctx = (AutowireContext) parent; + return ctx.resolveInstance(autowireType); + } + + public void setContextResolver(ContextResolver resolver) { + this.resolver = resolver; + } + +} |