com.github.cameltooling.lsp.internal.completion.CamelOptionNamesCompletionsFuture Maven / Gradle / Ivy

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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
 *
 *      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 com.github.cameltooling.lsp.internal.completion;

import java.util.List;
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.eclipse.lsp4j.CompletionItem;

import com.github.cameltooling.lsp.internal.instancemodel.OptionParamURIInstance;
import com.github.cameltooling.model.EndpointOptionModel;
import com.github.cameltooling.model.util.ModelHelper;

public class CamelOptionNamesCompletionsFuture implements Function>  {

	private String camelComponentName;
	private boolean isProducer;
	private String filterString;
	private int positionInCamelURI;
	private Set alreadyDefinedOptions;

	public CamelOptionNamesCompletionsFuture(String camelComponentName, boolean isProducer, String filterText, int positionInCamelURI, Set alreadyDefinedOptions) {
		this.camelComponentName = camelComponentName;
		this.isProducer = isProducer;
		this.filterString = filterText;
		this.positionInCamelURI = positionInCamelURI;
		this.alreadyDefinedOptions = alreadyDefinedOptions;
	}

	@Override
	public List apply(CamelCatalog catalog) {
		Stream endpointOptions = ModelHelper.generateComponentModel(catalog.componentJSonSchema(camelComponentName), true).getEndpointOptions().stream();
		return endpointOptions
				.filter(endpoint -> "parameter".equals(endpoint.getKind()))
				// filter wrong option groups
				.filter(FilterPredicateUtils.matchesProducerConsumerGroups(isProducer))
				.map(parameter -> {
					CompletionItem completionItem = new CompletionItem(parameter.getName());
					String insertText = parameter.getName() + "=";
					if(parameter.getDefaultValue() != null) {
						insertText += parameter.getDefaultValue();
					}
					completionItem.setInsertText(insertText);
					completionItem.setDocumentation(parameter.getDescription());
					completionItem.setDetail(parameter.getJavaType());
					return completionItem;
				})
				// filter duplicated uri options
				.filter(FilterPredicateUtils.removeDuplicatedOptions(alreadyDefinedOptions, positionInCamelURI))
				.filter(FilterPredicateUtils.matchesCompletionFilter(filterString))
				.collect(Collectors.toList());
	}

}