| /** |
| * 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.camel.generator.swagger; |
| |
| import java.util.ArrayList; |
| import java.util.Collections; |
| import java.util.List; |
| |
| import io.swagger.models.HttpMethod; |
| import io.swagger.models.Operation; |
| import io.swagger.models.parameters.AbstractSerializableParameter; |
| import io.swagger.models.parameters.Parameter; |
| import io.swagger.models.properties.Property; |
| |
| import org.apache.camel.model.rest.CollectionFormat; |
| import org.apache.camel.model.rest.RestParamType; |
| import org.apache.camel.util.ObjectHelper; |
| |
| class OperationVisitor<T> { |
| |
| private final DestinationGenerator destinationGenerator; |
| |
| private final CodeEmitter<T> emitter; |
| |
| private final String path; |
| |
| OperationVisitor(final CodeEmitter<T> emitter, final String path, final DestinationGenerator destinationGenerator) { |
| this.emitter = emitter; |
| this.path = path; |
| this.destinationGenerator = destinationGenerator; |
| } |
| |
| List<String> asStringList(final List<?> values) { |
| if (values == null || values.isEmpty()) { |
| return Collections.emptyList(); |
| } |
| |
| final List<String> stringList = new ArrayList<>(); |
| values.forEach(v -> stringList.add(String.valueOf(v))); |
| |
| return stringList; |
| } |
| |
| CodeEmitter<T> emit(final Parameter parameter) { |
| emitter.emit("param"); |
| emit("name", parameter.getName()); |
| final String parameterType = parameter.getIn(); |
| if (ObjectHelper.isNotEmpty(parameterType)) { |
| emit("type", RestParamType.valueOf(parameterType)); |
| } |
| if (parameter instanceof AbstractSerializableParameter) { |
| final AbstractSerializableParameter serializableParameter = (AbstractSerializableParameter) parameter; |
| |
| final String dataType = serializableParameter.getType(); |
| emit("dataType", dataType); |
| emit("allowableValues", asStringList(serializableParameter.getEnumValue())); |
| final String collectionFormat = serializableParameter.getCollectionFormat(); |
| if (ObjectHelper.isNotEmpty(collectionFormat)) { |
| emit("collectionFormat", CollectionFormat.valueOf(collectionFormat)); |
| } |
| emit("defaultValue", serializableParameter.getDefault()); |
| |
| final Property items = serializableParameter.getItems(); |
| if ("array".equals(dataType) && items != null) { |
| emit("arrayType", items.getType()); |
| } |
| } |
| emit("required", parameter.getRequired()); |
| emit("description", parameter.getDescription()); |
| emitter.emit("endParam"); |
| |
| return emitter; |
| } |
| |
| CodeEmitter<T> emit(final String method, final List<String> values) { |
| if (values == null || values.isEmpty()) { |
| return emitter; |
| } |
| |
| return emitter.emit(method, new Object[] {values.toArray(new String[values.size()])}); |
| } |
| |
| CodeEmitter<T> emit(final String method, final Object value) { |
| if (ObjectHelper.isEmpty(value)) { |
| return emitter; |
| } |
| |
| return emitter.emit(method, value); |
| } |
| |
| void visit(final HttpMethod method, final Operation operation) { |
| final String methodName = method.name().toLowerCase(); |
| emitter.emit(methodName, path); |
| |
| emit("id", operation.getOperationId()); |
| emit("description", operation.getDescription()); |
| emit("consumes", operation.getConsumes()); |
| emit("produces", operation.getProduces()); |
| |
| operation.getParameters().forEach(parameter -> { |
| emit(parameter); |
| }); |
| |
| emitter.emit("to", destinationGenerator.generateDestinationFor(operation)); |
| } |
| } |