diff options
Diffstat (limited to 'sca-java-1.x/tags/java-M1-20060522/java/sca/core/src/main/java/org/apache/tuscany/core/config/processor/PropertyReferenceValidator.java')
-rw-r--r-- | sca-java-1.x/tags/java-M1-20060522/java/sca/core/src/main/java/org/apache/tuscany/core/config/processor/PropertyReferenceValidator.java | 80 |
1 files changed, 80 insertions, 0 deletions
diff --git a/sca-java-1.x/tags/java-M1-20060522/java/sca/core/src/main/java/org/apache/tuscany/core/config/processor/PropertyReferenceValidator.java b/sca-java-1.x/tags/java-M1-20060522/java/sca/core/src/main/java/org/apache/tuscany/core/config/processor/PropertyReferenceValidator.java new file mode 100644 index 0000000000..bc8ef02777 --- /dev/null +++ b/sca-java-1.x/tags/java-M1-20060522/java/sca/core/src/main/java/org/apache/tuscany/core/config/processor/PropertyReferenceValidator.java @@ -0,0 +1,80 @@ +/** + * + * 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.config.processor; + +import java.lang.annotation.Annotation; +import java.lang.reflect.Method; +import java.lang.reflect.Field; +import java.util.Set; + +import org.apache.tuscany.core.config.ConfigurationLoadException; +import org.apache.tuscany.core.config.MetaDataException; +import org.apache.tuscany.core.config.JavaIntrospectionHelper; +import org.apache.tuscany.model.assembly.AssemblyFactory; +import org.apache.tuscany.model.assembly.ComponentType; +import org.osoa.sca.annotations.Property; +import org.osoa.sca.annotations.Reference; + +/** + * Validates the use of {@link org.osoa.sca.annotations.Property} and {@link + * org.osoa.sca.annotations.Reference} annotations beyond native Java syntactic capabilities + * + * @version $$Rev$$ $$Date$$ + */ +public class PropertyReferenceValidator extends ImplementationProcessorSupport { + + public PropertyReferenceValidator(AssemblyFactory factory) { + super(factory); + } + + public void visitEnd(Class<?> clazz, ComponentType type) throws ConfigurationLoadException { + // validate methods do not contain both @Reference and @Property annotations + Method[] methods = clazz.getMethods(); + boolean found; + for (Method method : methods) { + found = false; + Annotation[] anotations = method.getAnnotations(); + for (Annotation annotation : anotations) { + if (Property.class.equals(annotation.annotationType()) + || Reference.class.equals(annotation.annotationType())) { + if (found) { + MetaDataException e = new MetaDataException("Method cannot specify both property and reference"); + e.setIdentifier(method.getName()); + throw e; + } + found = true; + } + } + } + // validate fields do not contain both @Reference and @Property annotations + Set<Field> fields = JavaIntrospectionHelper.getAllPublicAndProtectedFields(clazz); + for (Field field : fields) { + found = false; + Annotation[] anotations = field.getAnnotations(); + for (Annotation annotation : anotations) { + if (Property.class.equals(annotation.annotationType()) + || Reference.class.equals(annotation.annotationType())) { + if (found) { + MetaDataException e = new MetaDataException("Field cannot specify both property and reference"); + e.setIdentifier(field.getName()); + throw e; + } + found = true; + } + } + } + + } + +} |