| /* |
| * 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.factory; |
| |
| import java.util.ArrayList; |
| import java.util.List; |
| |
| import org.apache.uima.analysis_engine.TypeOrFeature; |
| import org.apache.uima.analysis_engine.impl.TypeOrFeature_impl; |
| import org.apache.uima.fit.descriptor.LanguageCapability; |
| import org.apache.uima.fit.descriptor.MimeTypeCapability; |
| import org.apache.uima.fit.descriptor.SofaCapability; |
| import org.apache.uima.fit.descriptor.TypeCapability; |
| import org.apache.uima.fit.internal.ReflectionUtil; |
| import org.apache.uima.resource.metadata.Capability; |
| import org.apache.uima.resource.metadata.impl.Capability_impl; |
| |
| /** |
| */ |
| |
| public final class CapabilityFactory { |
| private CapabilityFactory() { |
| // This class is not meant to be instantiated |
| } |
| |
| /** |
| * Creates a single capability consisting of the information in the {@link SofaCapability} and |
| * {@link TypeCapability} annotations for the class. |
| * |
| * @param componentClass a class with capability annotations |
| * @return capabilities extracted from the class |
| */ |
| public static Capability createCapability(Class<?> componentClass) { |
| boolean sofaCapabilityPresent = ReflectionUtil.isAnnotationPresent(componentClass, |
| SofaCapability.class); |
| boolean typeCapabilityPresent = ReflectionUtil.isAnnotationPresent(componentClass, |
| TypeCapability.class); |
| boolean mimeTypeCapabilityPresent = ReflectionUtil.isAnnotationPresent(componentClass, |
| MimeTypeCapability.class); |
| boolean languageCapabilityPresent = ReflectionUtil.isAnnotationPresent(componentClass, |
| LanguageCapability.class); |
| |
| // Skip if no capability annotations are present at all |
| if (!sofaCapabilityPresent && !typeCapabilityPresent && !mimeTypeCapabilityPresent |
| && !languageCapabilityPresent) { |
| return null; |
| } |
| |
| Capability capability = new Capability_impl(); |
| |
| if (languageCapabilityPresent) { |
| LanguageCapability annotation = ReflectionUtil.getAnnotation(componentClass, |
| LanguageCapability.class); |
| String[] languages = annotation.value(); |
| if (languages.length == 1 && languages[0].equals(LanguageCapability.NO_DEFAULT_VALUE)) { |
| languages = new String[0]; |
| } |
| capability.setLanguagesSupported(languages); |
| } |
| |
| if (mimeTypeCapabilityPresent) { |
| MimeTypeCapability annotation = ReflectionUtil.getAnnotation(componentClass, |
| MimeTypeCapability.class); |
| String[] mimeTypes = annotation.value(); |
| if (mimeTypes.length == 1 && mimeTypes[0].equals(MimeTypeCapability.NO_DEFAULT_VALUE)) { |
| mimeTypes = new String[0]; |
| } |
| capability.setMimeTypesSupported(mimeTypes); |
| } |
| |
| if (sofaCapabilityPresent) { |
| SofaCapability annotation = ReflectionUtil.getAnnotation(componentClass, SofaCapability.class); |
| String[] inputSofas = annotation.inputSofas(); |
| if (inputSofas.length == 1 && inputSofas[0].equals(SofaCapability.NO_DEFAULT_VALUE)) { |
| inputSofas = new String[0]; |
| } |
| capability.setInputSofas(inputSofas); |
| |
| String[] outputSofas = annotation.outputSofas(); |
| if (outputSofas.length == 1 && outputSofas[0].equals(SofaCapability.NO_DEFAULT_VALUE)) { |
| outputSofas = new String[0]; |
| } |
| capability.setOutputSofas(outputSofas); |
| } |
| |
| if (typeCapabilityPresent) { |
| TypeCapability annotation = ReflectionUtil.getAnnotation(componentClass, TypeCapability.class); |
| String[] inputTypesOrFeatureNames = annotation.inputs(); |
| capability.setInputs(createTypesOrFeatures(inputTypesOrFeatureNames)); |
| String[] outputTypesOrFeatureNames = annotation.outputs(); |
| capability.setOutputs(createTypesOrFeatures(outputTypesOrFeatureNames)); |
| } |
| |
| return capability; |
| } |
| |
| private static TypeOrFeature[] createTypesOrFeatures(String[] typesOrFeatureNames) { |
| if (typesOrFeatureNames.length == 1 |
| && typesOrFeatureNames[0].equals(TypeCapability.NO_DEFAULT_VALUE)) { |
| return new TypeOrFeature[0]; |
| } else { |
| List<TypeOrFeature> typesOrFeatures = new ArrayList<TypeOrFeature>(); |
| for (String name : typesOrFeatureNames) { |
| TypeOrFeature tof = new TypeOrFeature_impl(); |
| tof.setName(name); |
| if (name.indexOf(":") == -1) { |
| tof.setType(true); |
| } else { |
| tof.setType(false); |
| } |
| typesOrFeatures.add(tof); |
| } |
| return typesOrFeatures.toArray(new TypeOrFeature[typesOrFeatures.size()]); |
| } |
| |
| } |
| } |