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author | antelder <antelder@13f79535-47bb-0310-9956-ffa450edef68> | 2010-10-26 07:46:08 +0000 |
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committer | antelder <antelder@13f79535-47bb-0310-9956-ffa450edef68> | 2010-10-26 07:46:08 +0000 |
commit | 6865c59e74f19ed6057d03583944b47abd6e036e (patch) | |
tree | 3324c11c7ca4f5ca12f15619ce30e9824e198480 /sca-java-2.x/branches/2.0-Beta1/modules/implementation-spring/src/main/java/org/apache/tuscany/sca/implementation/spring/SpringImplementation.java | |
parent | 0d6d7922ed17cca55ec36ff2626d1080e76d6d13 (diff) |
Create branch for next release
git-svn-id: http://svn.us.apache.org/repos/asf/tuscany@1027394 13f79535-47bb-0310-9956-ffa450edef68
Diffstat (limited to '')
-rw-r--r-- | sca-java-2.x/branches/2.0-Beta1/modules/implementation-spring/src/main/java/org/apache/tuscany/sca/implementation/spring/SpringImplementation.java | 259 |
1 files changed, 259 insertions, 0 deletions
diff --git a/sca-java-2.x/branches/2.0-Beta1/modules/implementation-spring/src/main/java/org/apache/tuscany/sca/implementation/spring/SpringImplementation.java b/sca-java-2.x/branches/2.0-Beta1/modules/implementation-spring/src/main/java/org/apache/tuscany/sca/implementation/spring/SpringImplementation.java new file mode 100644 index 0000000000..a5d4adb1bb --- /dev/null +++ b/sca-java-2.x/branches/2.0-Beta1/modules/implementation-spring/src/main/java/org/apache/tuscany/sca/implementation/spring/SpringImplementation.java @@ -0,0 +1,259 @@ +/* + * Licensed to the Apache Software Foundation (ASF) under one + * or more contributor license agreements. See the NOTICE file + * distributed with this work for additional information + * regarding copyright ownership. The ASF licenses this file + * to you 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.sca.implementation.spring; + +import java.net.URL; +import java.util.HashMap; +import java.util.List; +import java.util.Map; + +import javax.xml.namespace.QName; + +import org.apache.tuscany.sca.assembly.Component; +import org.apache.tuscany.sca.assembly.ComponentType; +import org.apache.tuscany.sca.assembly.Extensible; +import org.apache.tuscany.sca.assembly.Implementation; +import org.apache.tuscany.sca.assembly.Property; +import org.apache.tuscany.sca.assembly.Reference; +import org.apache.tuscany.sca.assembly.Service; +import org.apache.tuscany.sca.assembly.impl.ImplementationImpl; +import org.apache.tuscany.sca.interfacedef.InterfaceContract; + +/** + * Represents a Spring implementation. + * + * @version $Rev$ $Date$ + */ +public class SpringImplementation extends ImplementationImpl implements Implementation, Extensible { + public final static QName TYPE = new QName(SCA11_NS, "implementation.spring"); + // The location attribute which points to the Spring application-context XML file + private String location; + // The application-context file as a Spring Resource + private List<URL> resource; + private ComponentType componentType; + // Mapping of Services to Beans + private Map<String, SpringBeanElement> serviceMap; + // Mapping of property names to Java class + private Map<String, Class<?>> propertyMap; + // List of unresolved bean property references + private Map<String, Reference> unresolvedBeanRef; + private ClassLoader classLoader; + + public SpringImplementation() { + super(TYPE); + this.location = null; + this.resource = null; + setUnresolved(true); + serviceMap = new HashMap<String, SpringBeanElement>(); + propertyMap = new HashMap<String, Class<?>>(); + unresolvedBeanRef = new HashMap<String, Reference>(); + } // end method SpringImplementation + + /* Returns the location attribute for this Spring implementation */ + public String getLocation() { + return location; + } + + /** + * Sets the location attribute for this Spring implementation + * location - a URI to the Spring application-context file + */ + public void setLocation(String location) { + this.location = location; + return; + } + + public void setResource(List<URL> resource) { + this.resource = resource; + } + + public List<URL> getResource() { + return resource; + } + + /* + * Returns the componentType for this Spring implementation + */ + public ComponentType getComponentType() { + return componentType; + } + + /* + * Sets the componentType for this Spring implementation + */ + public void setComponentType(ComponentType componentType) { + this.componentType = componentType; + } + + @Override + public List<Service> getServices() { + return componentType.getServices(); + } + + @Override + public List<Reference> getReferences() { + return componentType.getReferences(); + } + + @Override + public List<Property> getProperties() { + return componentType.getProperties(); + } + + /** + * Returns the Spring Bean which implements a particular service + * @param service the service + * @return the bean which implements the service, as a SpringBeanElement + */ + public SpringBeanElement getBeanFromService(Service service) { + SpringBeanElement theBean = serviceMap.get(service.getName()); + return theBean; + } + + /** + * Sets the mapping from a service to the Spring Bean that implements the service + * @param service the service + * @param theBean a SpringBeanElement for the Bean implementing the service + */ + public void setBeanForService(Service service, SpringBeanElement theBean) { + serviceMap.put(service.getName(), theBean); + } + + /** + * Add a mapping from a SCA property name to a Java class for the property + * @param propertyName + * @param propertyClass + */ + public void setPropertyClass(String propertyName, Class<?> propertyClass) { + if (propertyName == null || propertyClass == null) + return; + propertyMap.put(propertyName, propertyClass); + return; + } // end method setPropertyClass + + /** + * Gets the Java Class for an SCA property + * @param propertyName - the property name + * @return - a Class object for the type of the property + */ + public Class<?> getPropertyClass(String propertyName) { + return propertyMap.get(propertyName); + } // end method getPropertyClass + + public void setUnresolvedBeanRef(String refName, Reference reference) { + if (refName == null || reference == null) + return; + unresolvedBeanRef.put(refName, reference); + return; + } // end method setUnresolvedBeanRef + + public Reference getUnresolvedBeanRef(String refName) { + return unresolvedBeanRef.get(refName); + } // end method getUnresolvedBeanRef + + /** + * Use preProcess to validate and map the references and properties dynamically + */ + public void build(Component component) { + + for (Reference reference : component.getReferences()) { + if (unresolvedBeanRef.containsKey(reference.getName())) { + Reference ref = unresolvedBeanRef.get(reference.getName()); + componentType.getReferences().add(createReference(reference, ref.getInterfaceContract())); + unresolvedBeanRef.remove(reference.getName()); + } + } + + for (Property property : component.getProperties()) { + if (unresolvedBeanRef.containsKey(property.getName())) { + componentType.getProperties().add(createProperty(property)); + this.setPropertyClass(property.getName(), property.getClass()); + unresolvedBeanRef.remove(property.getName()); + } + } + } + + protected Reference createReference(Reference reference, InterfaceContract interfaze) { + Reference newReference; + try { + newReference = (Reference)reference.clone(); + if (newReference.getInterfaceContract() == null) + newReference.setInterfaceContract(interfaze); + } catch (CloneNotSupportedException e) { + throw new AssertionError(e); // should not ever happen + } + return newReference; + } + + protected Property createProperty(Property property) { + Property newProperty; + try { + newProperty = (Property)property.clone(); + } catch (CloneNotSupportedException e) { + throw new AssertionError(e); // should not ever happen + } + return newProperty; + } + + public ClassLoader getClassLoader() { + return classLoader; + } + + public void setClassLoader(ClassLoader classLoader) { + this.classLoader = classLoader; + } + + @Override + public int hashCode() { + final int prime = 31; + int result = super.hashCode(); + result = prime * result + ((location == null) ? 0 : location.hashCode()); + return result; + } + + @Override + public boolean equals(Object obj) { + if (this == obj) { + return true; + } + if (!super.equals(obj)) { + return false; + } + if (!(obj instanceof SpringImplementation)) { + return false; + } + SpringImplementation other = (SpringImplementation)obj; + if (location == null) { + if (other.location != null) { + return false; + } + } else if (!location.equals(other.location)) { + return false; + } + return true; + } + + @Override + public String toString() { + StringBuilder builder = new StringBuilder(); + builder.append("SpringImplementation [location=").append(location).append(", resource=").append(resource) + .append("]"); + return builder.toString(); + } +} |