com.github.cameltooling.lsp.internal.parser.ParserJavaFileHelper Maven / Gradle / Ivy

Go to download

Show more of this group Show more artifacts with this name
Show all versions of camel-lsp-server Show documentation

Server Implementation of the Language Server Protocol for Apache Camel

There is a newer version: 1.28.0

/**
 * 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.parser;

import org.eclipse.lsp4j.Position;
import org.eclipse.lsp4j.TextDocumentItem;

import com.github.cameltooling.lsp.internal.instancemodel.CamelURIInstance;

public class ParserJavaFileHelper extends ParserFileHelper {

	@Override
	public String getCamelComponentUri(String line, int characterPosition) {
		for (String methodName : CAMEL_POSSIBLE_TYPES) {
			String beforeCamelURI = methodName+"(\"";
			int methodPosition = line.indexOf(beforeCamelURI);
			if (methodPosition != -1) {
				int methodNameOffset = methodName.length() + 2;
				int potentialStartOfCamelURI = methodPosition + methodNameOffset;
				int nextQuote = line.indexOf('\"', potentialStartOfCamelURI);
				if (isBetween(characterPosition, potentialStartOfCamelURI, nextQuote)) {
					return line.substring(potentialStartOfCamelURI, nextQuote);
				}
			}
		}
		return null;
	}

	public String getCorrespondingMethodName(TextDocumentItem textDocumentItem, int line) {
		String lineString = getLine(textDocumentItem, line);
		for (String methodName : CAMEL_POSSIBLE_TYPES) {
			if(lineString.contains(methodName+"(\"")) {
				return methodName;
			}
		}
		return null;
	}

	@Override
	public CamelURIInstance createCamelURIInstance(TextDocumentItem textDocumentItem, Position position, String camelComponentUri) {
		return new CamelURIInstance(camelComponentUri, getCorrespondingMethodName(textDocumentItem, position.getLine()));
	}

	@Override
	public int getPositionInCamelURI(TextDocumentItem textDocumentItem, Position position) {
		String beforeCamelURI = getCorrespondingMethodName(textDocumentItem, position.getLine()) + "(\"";
		return position.getCharacter() - getLine(textDocumentItem, position).indexOf(beforeCamelURI) - beforeCamelURI.length();
	}

}