Java 类org.eclipse.lsp4j.MarkedString 实例源码

@Test
public void testHover() throws Exception {
    //given
    //Hovers on the System.out
    String payload = createHoverRequest("src/java/Foo.java", 5, 15);
    TextDocumentPositionParams position = getParams(payload);

    //when
    Hover hover = handler.hover(position, monitor);

    //then
    assertNotNull(hover);
    assertNotNull(hover.getContents());
    MarkedString signature = hover.getContents().get(0).getRight();
    assertEquals("Unexpected hover " + signature, "java", signature.getLanguage());
    assertEquals("Unexpected hover " + signature, "java.Foo", signature.getValue());
    String doc = hover.getContents().get(1).getLeft();
    assertEquals("Unexpected hover " + doc, "This is foo", doc);
}

@Test
public void testHoverStandalone() throws Exception {
    //given
    //Hovers on the System.out
    URI standalone = Paths.get("projects","maven","salut","src","main","java","java","Foo.java").toUri();
    String payload = createHoverRequest(standalone, 10, 71);
    TextDocumentPositionParams position = getParams(payload);

    //when
    Hover hover = handler.hover(position, monitor);

    //then
    assertNotNull(hover);
    assertNotNull(hover.getContents());
    MarkedString signature = hover.getContents().get(0).getRight();
    assertEquals("Unexpected hover " + signature, "java", signature.getLanguage());
    assertEquals("Unexpected hover " + signature, "java.Foo", signature.getValue());
    String doc = hover.getContents().get(1).getLeft();
    assertEquals("Unexpected hover "+doc, "This is foo", doc);
}

@Test
public void testHoverVariable() throws Exception {
    //given
    //Hover on args parameter
    String argParam = createHoverRequest("src/java/Foo.java", 7, 37);
    TextDocumentPositionParams position = getParams(argParam);

    //when
    Hover hover = handler.hover(position, monitor);

    //then
    assertNotNull(hover);
    assertNotNull(hover.getContents());
    MarkedString signature = hover.getContents().get(0).getRight();
    assertEquals("Unexpected hover " + signature, "java", signature.getLanguage());
    assertEquals("Unexpected hover " + signature, "String[] args - java.Foo.main(String[])", signature.getValue());
}

public Hover hover(TextDocumentPositionParams position, IProgressMonitor monitor) {
    ITypeRoot unit = JDTUtils.resolveTypeRoot(position.getTextDocument().getUri());

    List<Either<String, MarkedString>> content = null;
    if (unit != null && !monitor.isCanceled()) {
        content = computeHover(unit, position.getPosition().getLine(), position.getPosition().getCharacter(), monitor);
    }
    Hover $ = new Hover();
    $.setContents(content);
    return $;
}

private MarkedString computeSignature(IJavaElement element)  {
    if (element == null) {
        return null;
    }
    String elementLabel = null;
    if (element instanceof ILocalVariable) {
        elementLabel = JavaElementLabels.getElementLabel(element,LOCAL_VARIABLE_FLAGS);
    } else {
        elementLabel = JavaElementLabels.getElementLabel(element,COMMON_SIGNATURE_FLAGS);
    }

    return new MarkedString(LANGUAGE_ID, elementLabel);
}

/**
 * @param cu
 * @return
 */
private String getTitleHover(ICompilationUnit cu, int line, int character) {
    // when
    Hover hover = getHover(cu, line, character);

    // then
    assertNotNull(hover);
    MarkedString result = hover.getContents().get(0).getRight();
    return result.getValue();
}

protected Hover hover(final HoverContext context) {
  if ((context == null)) {
    return IHoverService.EMPTY_HOVER;
  }
  final List<Either<String, MarkedString>> contents = this.getContents(context);
  if ((contents == null)) {
    return IHoverService.EMPTY_HOVER;
  }
  final Range range = this.getRange(context);
  if ((range == null)) {
    return IHoverService.EMPTY_HOVER;
  }
  return new Hover(contents, range);
}

protected List<Either<String, MarkedString>> getContents(final HoverContext it) {
  final String language = this.getLanguage(it);
  final Function1<String, Either<String, MarkedString>> _function = (String value) -> {
    return this.toContents(language, value);
  };
  return ListExtensions.<String, Either<String, MarkedString>>map(this.getContents(it.getElement()), _function);
}

protected Either<String, MarkedString> toContents(final String language, final String value) {
  if ((language == null)) {
    return Either.<String, MarkedString>forLeft(value);
  }
  MarkedString _markedString = new MarkedString(language, value);
  return Either.<String, MarkedString>forRight(_markedString);
}

@Test
public void testEitherConversion() {
  Either<String, MarkedString> either1 = Either.forLeft("foobar");
  Either<String, MarkedString> either2 = Either.forLeft("bar");
  List<Either<String, MarkedString>> entries = Arrays.asList(either1, either2);
  Hover hover = new Hover(entries, new Range(new Position(0, 1), new Position(2, 3)));

  HoverDto originalDto = new HoverDto(hover);
  Assert.assertTrue(reflectionEquals(originalDto, hover));
  String jsonString = originalDto.toJson();
  HoverDto convertedDto = HoverDto.fromJson(jsonString);
  Assert.assertTrue(reflectionEquals(originalDto, convertedDto));
}

private String renderContent(Hover hover) {
  List<String> contents = new ArrayList<>();
  for (Either<String, MarkedString> dto : hover.getContents()) {
    if (dto.isLeft()) {
      // plain markdown text
      contents.add(dto.getLeft());
    } else {
      contents.add(dto.getRight().getLanguage());
      contents.add(dto.getRight().getValue());
    }
  }
  return Joiner.on("\n\n").join(contents);
}

public Hover(@NonNull final List<Either<String, MarkedString>> contents) {
  this.contents = contents;
}

public Hover(@NonNull final List<Either<String, MarkedString>> contents, final Range range) {
  this.contents = contents;
  this.range = range;
}

/**
 * The hover's content as markdown
 */
@Pure
@NonNull
public List<Either<String, MarkedString>> getContents() {
  return this.contents;
}

/**
 * The hover's content as markdown
 */
public void setContents(@NonNull final List<Either<String, MarkedString>> contents) {
  this.contents = contents;
}

private List<Either<String, MarkedString>> computeHover(ITypeRoot unit, int line, int column, IProgressMonitor monitor) {
    HoverInfoProvider provider = new HoverInfoProvider(unit, this.preferenceManager);
    return provider.computeHover(line, column, monitor);
}

public Hover(@NonNull final List<Either<String, MarkedString>> contents) {
  this.contents = contents;
}

public Hover(@NonNull final List<Either<String, MarkedString>> contents, final Range range) {
  this.contents = contents;
  this.range = range;
}

/**
 * The hover's content as markdown
 */
@Pure
@NonNull
public List<Either<String, MarkedString>> getContents() {
  return this.contents;
}

/**
 * The hover's content as markdown
 */
public void setContents(@NonNull final List<Either<String, MarkedString>> contents) {
  this.contents = contents;
}