| /* |
| * 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.uima.fit.legacy; |
| |
| import java.lang.annotation.Annotation; |
| import java.lang.reflect.AccessibleObject; |
| import java.util.HashMap; |
| import java.util.Map; |
| |
| import org.apache.uima.fit.internal.LegacySupportPlugin; |
| import org.apache.uima.fit.internal.MetaDataType; |
| import org.apache.uima.fit.legacy.converter.ConfigurationParameterConverter; |
| import org.apache.uima.fit.legacy.converter.ExternalResourceConverter; |
| import org.apache.uima.fit.legacy.converter.FsIndexCollectionConverter; |
| import org.apache.uima.fit.legacy.converter.FsIndexConverter; |
| import org.apache.uima.fit.legacy.converter.FsIndexKeyConverter; |
| import org.apache.uima.fit.legacy.converter.NoConversionConverter; |
| import org.apache.uima.fit.legacy.converter.OperationalPropertiesConverter; |
| import org.apache.uima.fit.legacy.converter.SofaCapabilityConverter; |
| import org.apache.uima.fit.legacy.converter.TypeCapabilityConverter; |
| import org.apache.uima.resource.ResourceInitializationException; |
| import org.uimafit.factory.FsIndexFactory; |
| import org.uimafit.factory.TypeSystemDescriptionFactory; |
| |
| /** |
| * Legacy support plug in for the Google Code version of uimaFIT. |
| */ |
| public class LegacySupportPluginImpl implements LegacySupportPlugin { |
| private Map<Class<? extends Annotation>, AnnotationConverter<?,?>> converterRegistry; |
| |
| public LegacySupportPluginImpl() { |
| register(new ConfigurationParameterConverter()); |
| register(new ExternalResourceConverter()); |
| register(new FsIndexConverter()); |
| register(new FsIndexCollectionConverter()); |
| register(new FsIndexKeyConverter()); |
| register(new OperationalPropertiesConverter()); |
| register(new SofaCapabilityConverter()); |
| register(new TypeCapabilityConverter()); |
| } |
| |
| public boolean isAnnotationPresent(AccessibleObject aObject, |
| Class<? extends Annotation> aAnnotationClass) { |
| Class<? extends Annotation> legacyType = getLegacyType(aAnnotationClass); |
| if (legacyType != null) { |
| // UIMA-3853 workaround for IBM Java 8 beta 3 |
| return aObject.getAnnotation(legacyType) != null; |
| } |
| else { |
| return false; |
| } |
| } |
| |
| public boolean isAnnotationPresent(Class<?> aObject, |
| Class<? extends Annotation> aAnnotationClass) { |
| Class<? extends Annotation> legacyType = getLegacyType(aAnnotationClass); |
| if (legacyType != null) { |
| // UIMA-3853 workaround for IBM Java 8 beta 3 |
| return aObject.getAnnotation(legacyType) != null; |
| } |
| else { |
| return false; |
| } |
| } |
| |
| public <L extends Annotation, M extends Annotation> M getAnnotation(AccessibleObject aObject, |
| Class<M> aAnnotationClass) { |
| // Get converter |
| AnnotationConverter<L, M> converter = getConverter(aAnnotationClass); |
| // Find legacy annotation |
| L legacyAnnotation = aObject.getAnnotation(converter.getLegacyType()); |
| if (legacyAnnotation != null) { |
| // If legacy annotation is present, convert it to a modern annotation |
| return converter.convert(aObject, legacyAnnotation); |
| } else { |
| return null; |
| } |
| } |
| |
| public <L extends Annotation, M extends Annotation> M getAnnotation(Class<?> aObject, |
| Class<M> aAnnotationClass) { |
| // Get converter |
| AnnotationConverter<L, M> converter = getConverter(aAnnotationClass); |
| // Find legacy annotation |
| L legacyAnnotation = aObject.getAnnotation(converter.getLegacyType()); |
| if (legacyAnnotation != null) { |
| // If legacy annotation is present, convert it to a modern annotation |
| return converter.convert(aObject, legacyAnnotation); |
| } else { |
| return null; |
| } |
| } |
| |
| /** |
| * Get a converter for the given modern type. |
| * |
| * @param aModernType a modern annotation type. |
| * @return a converter. This method never returns {@code null}. |
| */ |
| @SuppressWarnings("unchecked") |
| private <L extends Annotation, M extends Annotation> AnnotationConverter<L, M> getConverter(Class<M> aModernType) |
| { |
| AnnotationConverter<?,?> conv = converterRegistry.get(aModernType); |
| if (conv == null) { |
| conv = NoConversionConverter.getInstance(); |
| } |
| return (AnnotationConverter<L, M>) conv; |
| } |
| |
| private <L extends Annotation, M extends Annotation> Class<L> getLegacyType(Class<M> aModernType) |
| { |
| AnnotationConverter<L, M> converter = getConverter(aModernType); |
| if (converter != null) { |
| return converter.getLegacyType(); |
| } |
| else { |
| return null; |
| } |
| } |
| |
| /** |
| * Register a new converter. |
| */ |
| private void register(AnnotationConverter<?,?> aConverter) |
| { |
| if (converterRegistry == null) { |
| converterRegistry = new HashMap<Class<? extends Annotation>, AnnotationConverter<?,?>>(); |
| } |
| converterRegistry.put(aConverter.getModernType(), aConverter); |
| } |
| |
| public String[] scanTypeDescriptors(MetaDataType aType) throws ResourceInitializationException { |
| switch (aType) { |
| case FS_INDEX: |
| return FsIndexFactory.scanIndexDescriptors(); |
| case TYPE_SYSTEM: |
| return TypeSystemDescriptionFactory.scanTypeDescriptors(); |
| default: |
| return new String[0]; |
| } |
| } |
| } |