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CamelOptionNamesCompletionsFuture.java
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CamelOptionNamesCompletionsFuture.java
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/**
* 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
*
* https://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 com.github.cameltooling.lsp.internal.completion;
import java.util.List;
import java.util.Map.Entry;
import java.util.Optional;
import java.util.Set;
import java.util.function.Function;
import java.util.stream.Collectors;
import java.util.stream.Stream;
import org.apache.camel.catalog.CamelCatalog;
import org.apache.camel.v1.kameletspec.Definition;
import org.apache.camel.v1.kameletspec.definition.Properties;
import org.eclipse.lsp4j.CompletionItem;
import org.eclipse.lsp4j.CompletionItemKind;
import com.github.cameltooling.lsp.internal.catalog.model.BaseOptionModel;
import com.github.cameltooling.lsp.internal.catalog.model.ComponentModel;
import com.github.cameltooling.lsp.internal.catalog.model.EndpointOptionModel;
import com.github.cameltooling.lsp.internal.catalog.util.KameletsCatalogManager;
import com.github.cameltooling.lsp.internal.catalog.util.ModelHelper;
import com.github.cameltooling.lsp.internal.instancemodel.CamelUriElementInstance;
import com.github.cameltooling.lsp.internal.instancemodel.ComponentNameConstants;
import com.github.cameltooling.lsp.internal.instancemodel.OptionParamKeyURIInstance;
import com.github.cameltooling.lsp.internal.instancemodel.OptionParamURIInstance;
import com.github.cameltooling.lsp.internal.instancemodel.PathParamURIInstance;
import io.fabric8.kubernetes.api.model.AnyType;
public class CamelOptionNamesCompletionsFuture implements Function<CamelCatalog, List<CompletionItem>> {
private CamelUriElementInstance uriElement;
private String camelComponentName;
private boolean isProducer;
private String filterString;
private int positionInCamelURI;
private Set<OptionParamURIInstance> alreadyDefinedOptions;
private KameletsCatalogManager kameletsCatalogManager;
public CamelOptionNamesCompletionsFuture(CamelUriElementInstance uriElement, String camelComponentName, boolean isProducer, String filterText, int positionInCamelURI, Set<OptionParamURIInstance> alreadyDefinedOptions, KameletsCatalogManager kameletsCatalogManager) {
this.uriElement = uriElement;
this.camelComponentName = camelComponentName;
this.isProducer = isProducer;
this.filterString = filterText;
this.positionInCamelURI = positionInCamelURI;
this.alreadyDefinedOptions = alreadyDefinedOptions;
this.kameletsCatalogManager = kameletsCatalogManager;
}
@Override
public List<CompletionItem> apply(CamelCatalog catalog) {
ComponentModel componentModel = ModelHelper.generateComponentModel(catalog.componentJSonSchema(camelComponentName), true);
List<EndpointOptionModel> endpointOptions = componentModel.getEndpointOptions();
Stream<CompletionItem> endpointOptionsFiltered = initialFilter(endpointOptions).map(createCompletionItem(CompletionItemKind.Property));
List<EndpointOptionModel> availableApiProperties = uriElement.findAvailableApiProperties(componentModel);
Stream<CompletionItem> availableApiPropertiesFiltered = initialFilter(availableApiProperties).map(createCompletionItem(CompletionItemKind.Variable));
Stream<CompletionItem> kameletProperties = retrieveKameletProperties();
return Stream.concat(Stream.concat(endpointOptionsFiltered, availableApiPropertiesFiltered), kameletProperties)
// filter duplicated uri options
.filter(FilterPredicateUtils.removeDuplicatedOptions(alreadyDefinedOptions, positionInCamelURI))
.filter(FilterPredicateUtils.matchesCompletionFilter(filterString))
.collect(Collectors.toList());
}
private Stream<CompletionItem> retrieveKameletProperties() {
Stream<CompletionItem> kameletProperties = Stream.empty();
if(ComponentNameConstants.COMPONENT_NAME_KAMELET.equals(camelComponentName)) {
Optional<String> kameletTemplateId = uriElement.getCamelUriInstance()
.getComponentAndPathUriElementInstance()
.getPathParams()
.stream()
.filter(pathParam -> pathParam.getPathParamIndex() == 0)
.map(PathParamURIInstance::getValue)
.findAny();
if(kameletTemplateId.isPresent()) {
Definition kameletDefinition = kameletsCatalogManager.getCatalog().getKameletDefinition(kameletTemplateId.get());
if(kameletDefinition != null) {
kameletProperties = kameletDefinition.getProperties().entrySet().stream().map(this::createCompletionItem);
}
}
}
return kameletProperties;
}
private CompletionItem createCompletionItem(Entry<String, Properties> property) {
String propertyName = property.getKey();
CompletionItem completionItem = new CompletionItem(propertyName);
Properties schema = property.getValue();
String insertText = computeInsertText(propertyName, schema);
completionItem.setInsertText(insertText);
completionItem.setDocumentation(schema.getDescription());
String type = schema.getType();
if (type != null) {
completionItem.setDetail(type);
}
CompletionResolverUtils.applyTextEditToCompletionItem(uriElement, completionItem);
return completionItem;
}
private String computeInsertText(String propertyName, Properties schema) {
AnyType defaultValue = schema.get_default();
String insertText = propertyName + "=";
if(defaultValue != null && defaultValue.getValue() != null) {
insertText += defaultValue.getValue().toString();
}
return insertText;
}
private Stream<EndpointOptionModel> initialFilter(List<EndpointOptionModel> endpointOptions) {
return endpointOptions.stream()
.filter(endpoint -> "parameter".equals(endpoint.getKind()))
// filter wrong option groups
.filter(FilterPredicateUtils.matchesProducerConsumerGroups(isProducer));
}
private Function<? super BaseOptionModel, ? extends CompletionItem> createCompletionItem(CompletionItemKind kind) {
return parameter -> {
CompletionItem completionItem = new CompletionItem(parameter.getName());
String insertText = parameter.getName();
boolean hasValue = false;
if (uriElement instanceof OptionParamKeyURIInstance) {
OptionParamKeyURIInstance param = (OptionParamKeyURIInstance)uriElement;
hasValue = param.getOptionParamURIInstance().getValue() != null;
}
if(!hasValue && parameter.getDefaultValue() != null) {
insertText += String.format("=%s", parameter.getDefaultValue());
}
completionItem.setInsertText(insertText);
completionItem.setDocumentation(parameter.getDescription());
completionItem.setDetail(parameter.getJavaType());
completionItem.setKind(kind);
configureSortTextToHaveApiBasedOptionsBefore(kind, completionItem, insertText);
CompletionResolverUtils.applyDeprecation(completionItem, parameter.isDeprecated());
CompletionResolverUtils.applyTextEditToCompletionItem(uriElement, completionItem);
return completionItem;
};
}
private void configureSortTextToHaveApiBasedOptionsBefore(CompletionItemKind kind, CompletionItem completionItem, String insertText) {
if(CompletionItemKind.Variable.equals(kind)) {
completionItem.setSortText("1-"+insertText);
}
}
}