import org.eclipse.lsp4j.TextDocumentItem; //导入依赖的package包/类
private void onOpen(
    final FileEvent event,
    final DtoFactory dtoFactory,
    final TextDocumentServiceClient serviceClient,
    final LanguageServerRegistry lsRegistry) {
  event
      .getFile()
      .getContent()
      .then(
          text -> {
            TextDocumentItem documentItem = dtoFactory.createDto(TextDocumentItem.class);
            documentItem.setUri(event.getFile().getLocation().toString());
            documentItem.setVersion(LanguageServerEditorConfiguration.INITIAL_DOCUMENT_VERSION);
            documentItem.setText(text);
            documentItem.setLanguageId(
                lsRegistry.getLanguageDescription(event.getFile()).getLanguageId());

            DidOpenTextDocumentParams openEvent =
                dtoFactory.createDto(DidOpenTextDocumentParams.class);
            openEvent.setTextDocument(documentItem);
            openEvent.getTextDocument().setUri(event.getFile().getLocation().toString());
            openEvent.setText(text);

            serviceClient.didOpen(openEvent);
          });
}
 

import org.eclipse.lsp4j.TextDocumentItem; //导入依赖的package包/类
public String getLine(TextDocumentItem textDocumentItem, Position position) {
	String text = textDocumentItem.getText();
	String[] lines = text.split("\\r?\\n", position.getLine() + 2);
	if (lines.length >= position.getLine() + 1) {
		return lines[position.getLine()];
	}
	return null;
}
 

import org.eclipse.lsp4j.TextDocumentItem; //导入依赖的package包/类
/**
 * @param textDocumentItem
 * @param line 
 * @return Currently returns the first from Camel Node ignoring the exact position
 * @throws Exception 
 */
public Node getCorrespondingCamelNodeForCompletion(TextDocumentItem textDocumentItem, int line) throws Exception {
	if (hasElementFromCamelNamespace(textDocumentItem)) {
		Document parseXml = XmlLineNumberParser.parseXml(new ByteArrayInputStream(textDocumentItem.getText().getBytes(StandardCharsets.UTF_8)));
		Element documentElement = parseXml.getDocumentElement();
		return findElementAtLine(line, documentElement);
	} else {
		return null;
	}
}
 

import org.eclipse.lsp4j.TextDocumentItem; //导入依赖的package包/类
private boolean hasElementFromCamelNamespace(TextDocumentItem textDocumentItem) throws SAXException, IOException, ParserConfigurationException {
	DocumentBuilderFactory dbf = DocumentBuilderFactory.newInstance();
	dbf.setNamespaceAware(true);
	Document xmlParsed = dbf.newDocumentBuilder().parse(new ByteArrayInputStream(textDocumentItem.getText().getBytes(StandardCharsets.UTF_8)));
	for (String camelNodeTag : CAMEL_NODES_TAG) {
		if(hasElementFromCamelNameSpaces(xmlParsed.getElementsByTagName(camelNodeTag))){
			return true;
		}
	}
	return false;
}
 

import org.eclipse.lsp4j.TextDocumentItem; //导入依赖的package包/类
@Override
public void didChange(DidChangeTextDocumentParams params) {
	LOGGER.info("didChange: " + params.getTextDocument());
	List<TextDocumentContentChangeEvent> contentChanges = params.getContentChanges();
	TextDocumentItem textDocumentItem = openedDocuments.get(params.getTextDocument().getUri());
	if (!contentChanges.isEmpty()) {
		textDocumentItem.setText(contentChanges.get(0).getText());
	}
}
 

import org.eclipse.lsp4j.TextDocumentItem; //导入依赖的package包/类
private void openDocument(ICompilationUnit cu, String content, int version) {
	DidOpenTextDocumentParams openParms = new DidOpenTextDocumentParams();
	TextDocumentItem textDocument = new TextDocumentItem();
	textDocument.setLanguageId("java");
	textDocument.setText(content);
	textDocument.setUri(JDTUtils.toURI(cu));
	textDocument.setVersion(version);
	openParms.setTextDocument(textDocument);
	lifeCycleHandler.didOpen(openParms);
}
 

import org.eclipse.lsp4j.TextDocumentItem; //导入依赖的package包/类
public String getCamelComponentUri(TextDocumentItem textDocumentItem, Position position) {
	return getCamelComponentUri(getLine(textDocumentItem, position), position.getCharacter());
}
 

import org.eclipse.lsp4j.TextDocumentItem; //导入依赖的package包/类
public CamelEndpointCompletionProcessor(TextDocumentItem textDocumentItem, CompletableFuture<CamelCatalog> camelCatalog) {
	this.textDocumentItem = textDocumentItem;
	this.camelCatalog = camelCatalog;
}
 

import org.eclipse.lsp4j.TextDocumentItem; //导入依赖的package包/类
@Override
public CompletableFuture<Either<List<CompletionItem>, CompletionList>> completion(TextDocumentPositionParams completionRequest) {
	LOGGER.info("completion: " + completionRequest.getTextDocument().getUri());
	TextDocumentItem textDocumentItem = openedDocuments.get(completionRequest.getTextDocument().getUri());
	return new CamelEndpointCompletionProcessor(textDocumentItem, camelCatalog).getCompletions(completionRequest.getPosition()).thenApply(Either::forLeft);
}
 

import org.eclipse.lsp4j.TextDocumentItem; //导入依赖的package包/类
@Override
public CompletableFuture<Hover> hover(TextDocumentPositionParams position) {
	LOGGER.info("hover: " + position.getTextDocument());
	TextDocumentItem textDocumentItem = openedDocuments.get(position.getTextDocument().getUri());
	return new HoverProcessor(textDocumentItem, camelCatalog).getHover(position.getPosition());
}
 

import org.eclipse.lsp4j.TextDocumentItem; //导入依赖的package包/类
@Override
public void didOpen(DidOpenTextDocumentParams params) {
	TextDocumentItem textDocument = params.getTextDocument();
	LOGGER.info("didOpen: {0}", textDocument);
	openedDocuments.put(textDocument.getUri(), textDocument);
}
 

import org.eclipse.lsp4j.TextDocumentItem; //导入依赖的package包/类
public HoverProcessor(TextDocumentItem textDocumentItem, CompletableFuture<CamelCatalog> camelCatalog) {
	this.textDocumentItem = textDocumentItem;
	this.camelCatalog = camelCatalog;
}
 

import org.eclipse.lsp4j.TextDocumentItem; //导入依赖的package包/类
private TextDocumentItem createTestTextDocument(String text) {
	return new TextDocumentItem(DUMMY_URI, CamelLanguageServer.LANGUAGE_ID, 0, text);
}
 

import org.eclipse.lsp4j.TextDocumentItem; //导入依赖的package包/类
public DidOpenTextDocumentParams(@NonNull final TextDocumentItem textDocument) {
  this.textDocument = textDocument;
}
 

import org.eclipse.lsp4j.TextDocumentItem; //导入依赖的package包/类
/**
 * The document that was opened.
 */
@Pure
@NonNull
public TextDocumentItem getTextDocument() {
  return this.textDocument;
}
 

import org.eclipse.lsp4j.TextDocumentItem; //导入依赖的package包/类
/**
 * The document that was opened.
 */
public void setTextDocument(@NonNull final TextDocumentItem textDocument) {
  this.textDocument = textDocument;
}