Java Code Examples for org.eclipse.jdt.core.CompletionProposal#TYPE_REF

/**
 * Creates and returns a parameter list of the given method or type proposal suitable for
 * display. The list does not include parentheses. The lower bound of parameter types is
 * returned.
 * <p>
 * Examples:
 *
 * <pre>
 *   &quot;void method(int i, String s)&quot; -&gt; &quot;int i, String s&quot;
 *   &quot;? extends Number method(java.lang.String s, ? super Number n)&quot; -&gt; &quot;String s, Number n&quot;
 * </pre>
 *
 * </p>
 *
 * @param proposal the proposal to create the parameter list for
 * @return the list of comma-separated parameters suitable for display
 */
public StringBuilder createParameterList(CompletionProposal proposal) {
	int kind= proposal.getKind();
	switch (kind) {
	case CompletionProposal.METHOD_REF:
	case CompletionProposal.CONSTRUCTOR_INVOCATION:
		return appendUnboundedParameterList(new StringBuilder(), proposal);
	case CompletionProposal.TYPE_REF:
	case CompletionProposal.JAVADOC_TYPE_REF:
		return appendTypeParameterList(new StringBuilder(), proposal);
	case CompletionProposal.ANONYMOUS_CLASS_DECLARATION:
	case CompletionProposal.ANONYMOUS_CLASS_CONSTRUCTOR_INVOCATION:
		return appendUnboundedParameterList(new StringBuilder(), proposal);
	default:
		Assert.isLegal(false);
		return null; // dummy
	}
}
 

private String createReplaceString() {
  switch (wrappedProposal.getKind()) {
    case CompletionProposal.PACKAGE_REF:
      return computePackageCompletion();
    case CompletionProposal.TYPE_REF:
      return computeTypeCompletion();
    case CompletionProposal.FIELD_REF:
      return computeFieldCompletion();
    case CompletionProposal.METHOD_REF:
      if (wrappedProposal.isConstructor()) {
        return computeCtorCompletion();
      } else {
        return computeMethodCompletion();
      }
    default:
      return "";
  }
}
 

protected int computeRelevance() {
	final int baseRelevance= fProposal.getRelevance() * 16;
	switch (fProposal.getKind()) {
		case CompletionProposal.PACKAGE_REF:
			return baseRelevance + 0;
		case CompletionProposal.LABEL_REF:
			return baseRelevance + 1;
		case CompletionProposal.KEYWORD:
			return baseRelevance + 2;
		case CompletionProposal.TYPE_REF:
		case CompletionProposal.ANONYMOUS_CLASS_DECLARATION:
		case CompletionProposal.ANONYMOUS_CLASS_CONSTRUCTOR_INVOCATION:
			return baseRelevance + 3;
		case CompletionProposal.METHOD_REF:
		case CompletionProposal.CONSTRUCTOR_INVOCATION:
		case CompletionProposal.METHOD_NAME_REFERENCE:
		case CompletionProposal.METHOD_DECLARATION:
		case CompletionProposal.ANNOTATION_ATTRIBUTE_REF:
			return baseRelevance + 4;
		case CompletionProposal.POTENTIAL_METHOD_DECLARATION:
			return baseRelevance + 4 /* + 99 */;
		case CompletionProposal.FIELD_REF:
			return baseRelevance + 5;
		case CompletionProposal.LOCAL_VARIABLE_REF:
		case CompletionProposal.VARIABLE_DECLARATION:
			return baseRelevance + 6;
		default:
			return baseRelevance;
	}
}
 

/**
 * Computes the relevance for a given <code>CompletionProposal</code>.
 *
 * @param proposal the proposal to compute the relevance for
 * @return the relevance for <code>proposal</code>
 */
public static String computeSortText(CompletionProposal proposal) {
	final int baseRelevance= proposal.getRelevance() * 16;
	switch (proposal.getKind()) {
	case CompletionProposal.LABEL_REF:
		return convertRelevance( baseRelevance + 1);
	case CompletionProposal.KEYWORD:
		return convertRelevance(baseRelevance + 2);
	case CompletionProposal.TYPE_REF:
	case CompletionProposal.ANONYMOUS_CLASS_DECLARATION:
	case CompletionProposal.ANONYMOUS_CLASS_CONSTRUCTOR_INVOCATION:
		return convertRelevance(baseRelevance + 3);
	case CompletionProposal.METHOD_REF:
	case CompletionProposal.CONSTRUCTOR_INVOCATION:
	case CompletionProposal.METHOD_NAME_REFERENCE:
	case CompletionProposal.METHOD_DECLARATION:
	case CompletionProposal.ANNOTATION_ATTRIBUTE_REF:
	case CompletionProposal.POTENTIAL_METHOD_DECLARATION:
		return convertRelevance(baseRelevance + 4);
	case CompletionProposal.FIELD_REF:
		return convertRelevance(baseRelevance + 5);
	case CompletionProposal.LOCAL_VARIABLE_REF:
	case CompletionProposal.VARIABLE_DECLARATION:
		return convertRelevance(baseRelevance + 6);
	case CompletionProposal.PACKAGE_REF://intentional fall-through
	default:
		return convertRelevance(baseRelevance);
	}
}
 

/**
 * Computes the relevance for a given <code>CompletionProposal</code>.
 * <p>
 * Subclasses may replace, but usually should not need to.
 * </p>
 * @param proposal the proposal to compute the relevance for
 * @return the relevance for <code>proposal</code>
 */
protected int computeRelevance(CompletionProposal proposal) {
	final int baseRelevance= proposal.getRelevance() * 16;
	switch (proposal.getKind()) {
		case CompletionProposal.PACKAGE_REF:
			return baseRelevance + 0;
		case CompletionProposal.LABEL_REF:
			return baseRelevance + 1;
		case CompletionProposal.KEYWORD:
			return baseRelevance + 2;
		case CompletionProposal.TYPE_REF:
		case CompletionProposal.ANONYMOUS_CLASS_DECLARATION:
		case CompletionProposal.ANONYMOUS_CLASS_CONSTRUCTOR_INVOCATION:
			return baseRelevance + 3;
		case CompletionProposal.METHOD_REF:
		case CompletionProposal.CONSTRUCTOR_INVOCATION:
		case CompletionProposal.METHOD_NAME_REFERENCE:
		case CompletionProposal.METHOD_DECLARATION:
		case CompletionProposal.ANNOTATION_ATTRIBUTE_REF:
			return baseRelevance + 4;
		case CompletionProposal.POTENTIAL_METHOD_DECLARATION:
			return baseRelevance + 4 /* + 99 */;
		case CompletionProposal.FIELD_REF:
			return baseRelevance + 5;
		case CompletionProposal.LOCAL_VARIABLE_REF:
		case CompletionProposal.VARIABLE_DECLARATION:
			return baseRelevance + 6;
		default:
			return baseRelevance;
	}
}
 

private boolean isSupportingRequiredProposals(CompletionProposal proposal) {
	return proposal != null
			&& (proposal.getKind() == CompletionProposal.METHOD_REF
			|| proposal.getKind() == CompletionProposal.FIELD_REF
			|| proposal.getKind() == CompletionProposal.TYPE_REF
					|| proposal.getKind() == CompletionProposal.CONSTRUCTOR_INVOCATION || proposal.getKind() == CompletionProposal.ANONYMOUS_CLASS_CONSTRUCTOR_INVOCATION
					|| proposal.getKind() == CompletionProposal.ANONYMOUS_CLASS_DECLARATION);
}
 

private void appendReplacementString(StringBuilder buffer, CompletionProposal proposal) {
	if (!hasArgumentList(proposal)) {
		String str = proposal.getKind() == CompletionProposal.TYPE_REF ? computeJavaTypeReplacementString(proposal) : String.valueOf(proposal.getCompletion());
		if (client.isCompletionSnippetsSupported()) {
			str = CompletionUtils.sanitizeCompletion(str);
		}
		buffer.append(str);
		return;
	}

	// we're inserting a method plus the argument list - respect formatter preferences
	appendMethodNameReplacement(buffer, proposal);
	final boolean addParen  = client.isCompletionSnippetsSupported();
	if(addParen) {
		buffer.append(LPAREN);
	}

	if (hasParameters(proposal)) {
		appendGuessingCompletion(buffer, proposal);
	}

	if(addParen){
		buffer.append(RPAREN);
		// add semicolons only if there are parentheses
		if (canAutomaticallyAppendSemicolon(proposal)) {
			buffer.append(SEMICOLON);
		}
	}
	if(proposal.getKind() == CompletionProposal.METHOD_DECLARATION){
		appendBody(buffer);
	}
}
 

/**
 * Tells whether required proposals are supported by this proposal.
 *
 * @return <code>true</code> if required proposals are supported by this proposal
 * @see CompletionProposal#getRequiredProposals()
 * @since 3.3
 */
protected boolean isSupportingRequiredProposals() {
	if (fInvocationContext == null)
		return false;

	ProposalInfo proposalInfo= getProposalInfo();
	if (!(proposalInfo instanceof MemberProposalInfo || proposalInfo instanceof AnonymousTypeProposalInfo))
		return false;

	CompletionProposal proposal= ((MemberProposalInfo)proposalInfo).fProposal;
	return proposal != null && (proposal.getKind() == CompletionProposal.METHOD_REF || proposal.getKind() == CompletionProposal.FIELD_REF || proposal.getKind() == CompletionProposal.TYPE_REF || proposal.getKind() == CompletionProposal.CONSTRUCTOR_INVOCATION || proposal.getKind() == CompletionProposal.ANONYMOUS_CLASS_CONSTRUCTOR_INVOCATION);
}
 

/**
 * Creates a proposal computer for autocompleting the java classes for the
 * <ui:import field="___" />
 */
public static IProposalComputer newUiImportFieldProposalComputer(
    ContentAssistRequest contentAssistRequest, IJavaProject javaProject,
    String packageName) {

  IDOMAttr attribute = XmlContentAssistUtilities.getAttribute(contentAssistRequest);
  if (attribute == null || attribute.getOwnerElement() == null) {
    return null;
  }

  // Ensure we are autocompleting an 'ui:import' element attribute
  if (!UiBinderConstants.UI_BINDER_IMPORT_ELEMENT_NAME.equals(attribute.getOwnerElement().getLocalName())) {
    return null;
  }

  // Ensure we are autocompleting the 'field' attribute
  if (!attribute.equals(UiBinderXmlModelUtilities.getFieldAttribute(attribute.getOwnerElement()))) {
    return null;
  }

  String attrValue = XmlContentAssistUtilities.getAttributeValueUsingMatchString(contentAssistRequest);

  CodeCompleteProposalComputer ccpc = new CodeCompleteProposalComputer(
      new int[] {
          CompletionProposal.TYPE_REF, CompletionProposal.PACKAGE_REF,
          CompletionProposal.FIELD_IMPORT, CompletionProposal.FIELD_REF},
      javaProject,
      attrValue,
      XmlContentAssistUtilities.getAttributeValueOffset(contentAssistRequest),
      attrValue.length(), packageName, true);

  return ccpc;
}
 

/**
 * Creates a proposal computer for autocompleting the java classes for the
 * <ui:with ui:type="___" />
 */
public static IProposalComputer newWithTypeProposalComputer(
    ContentAssistRequest contentAssistRequest, IJavaProject javaProject) {

  IDOMAttr attribute = XmlContentAssistUtilities.getAttribute(contentAssistRequest);
  if (attribute == null || attribute.getOwnerElement() == null) {
    return null;
  }

  // Ensure we are autocompleting the 'type' attribute
  if (!attribute.equals(UiBinderXmlModelUtilities.getTypeAttribute(attribute.getOwnerElement()))) {
    return null;
  }

  String attrValue = XmlContentAssistUtilities.getAttributeValueUsingMatchString(contentAssistRequest);

  /*
   * Even though only types are valid, we must also propose packages to get to
   * fully qualified types if the user has typed e.g. "com.".
   */
  return new CodeCompleteProposalComputer(
      new int[]{CompletionProposal.TYPE_REF, CompletionProposal.PACKAGE_REF},
      javaProject,
      attrValue,
      XmlContentAssistUtilities.getAttributeValueOffset(contentAssistRequest),
      attrValue.length(), null, false);
}
 

@Override
protected ICompletionProposal createProposal(CompletionProposal proposal) {
  if (proposal.getKind() != CompletionProposal.TYPE_REF) {
    return null;
  }

  // NOTE: Resulting qualified name is dot-separated, even for enclosing
  // types. Generic signatures are not produced. See
  // org.eclipse.jdt.internal.codeassist.CompletionEngine.createTypeProposal.
  String qualifiedTypeName = String.valueOf(Signature.toCharArray(proposal.getSignature()));
  String typePackage = JavaUtilities.getPackageName(qualifiedTypeName);
  String typeSimpleName = Signature.getSimpleName(qualifiedTypeName);

  if (packageName != null && !typePackage.equals(packageName)) {
    return null;
  }

  ICompletionProposal javaCompletionProposal = JavaContentAssistUtilities.getJavaCompletionProposal(
      proposal, getContext(), getJavaProject());
  if (javaCompletionProposal != null) {
    return new WidgetProposal(typeSimpleName, typePackage, null,
        javaCompletionProposal.getDisplayString(),
        javaCompletionProposal.getImage(), getReplaceOffset(),
        getReplaceLength(), packageManager);
  } else {
    return new WidgetProposal(typeSimpleName, typePackage, null,
        typeSimpleName, null, getReplaceOffset(), getReplaceLength(),
        packageManager);
  }
}
 

@Override
public void accept(CompletionProposal proposal) {
	if (proposal.getKind() == CompletionProposal.TYPE_REF) {
		addType(proposal.getSignature(), proposal.getFlags(), proposal.getRelevance());
	}
}
 

private CompletionItemKind mapKind(final int kind) {
    // When a new CompletionItemKind is added, don't forget to update
    // SUPPORTED_KINDS
    switch (kind) {
        case CompletionProposal.ANONYMOUS_CLASS_CONSTRUCTOR_INVOCATION:
        case CompletionProposal.CONSTRUCTOR_INVOCATION:
            return CompletionItemKind.Constructor;
        case CompletionProposal.ANONYMOUS_CLASS_DECLARATION:
        case CompletionProposal.TYPE_REF:
            return CompletionItemKind.Class;
        case CompletionProposal.FIELD_IMPORT:
        case CompletionProposal.METHOD_IMPORT:
        case CompletionProposal.METHOD_NAME_REFERENCE:
        case CompletionProposal.PACKAGE_REF:
        case CompletionProposal.TYPE_IMPORT:
            return CompletionItemKind.Module;
        case CompletionProposal.FIELD_REF:
        case CompletionProposal.FIELD_REF_WITH_CASTED_RECEIVER:
            return CompletionItemKind.Field;
        case CompletionProposal.KEYWORD:
            return CompletionItemKind.Keyword;
        case CompletionProposal.LABEL_REF:
            return CompletionItemKind.Reference;
        case CompletionProposal.LOCAL_VARIABLE_REF:
        case CompletionProposal.VARIABLE_DECLARATION:
            return CompletionItemKind.Variable;
        case CompletionProposal.METHOD_DECLARATION:
        case CompletionProposal.METHOD_REF:
        case CompletionProposal.METHOD_REF_WITH_CASTED_RECEIVER:
        case CompletionProposal.POTENTIAL_METHOD_DECLARATION:
            return CompletionItemKind.Function;
        // text
        case CompletionProposal.ANNOTATION_ATTRIBUTE_REF:
        case CompletionProposal.JAVADOC_BLOCK_TAG:
        case CompletionProposal.JAVADOC_FIELD_REF:
        case CompletionProposal.JAVADOC_INLINE_TAG:
        case CompletionProposal.JAVADOC_METHOD_REF:
        case CompletionProposal.JAVADOC_PARAM_REF:
        case CompletionProposal.JAVADOC_TYPE_REF:
        case CompletionProposal.JAVADOC_VALUE_REF:
        default:
            return CompletionItemKind.Text;
    }
}
 

/**
 * Creates a display label with styles for a given <code>CompletionProposal</code>.
 *
 * @param proposal the completion proposal to create the display label for
 * @return the display label for <code>proposal</code>
 *
 * @since 3.4
 */
public StyledString createStyledLabel(CompletionProposal proposal) {
	switch (proposal.getKind()) {
		case CompletionProposal.METHOD_NAME_REFERENCE:
		case CompletionProposal.METHOD_REF:
		case CompletionProposal.CONSTRUCTOR_INVOCATION:
		case CompletionProposal.METHOD_REF_WITH_CASTED_RECEIVER:
		case CompletionProposal.POTENTIAL_METHOD_DECLARATION:
			if (fContext != null && fContext.isInJavadoc())
				return createJavadocMethodProposalLabel(proposal);
			return createMethodProposalLabel(proposal);
		case CompletionProposal.METHOD_DECLARATION:
			return createOverrideMethodProposalLabel(proposal);
		case CompletionProposal.ANONYMOUS_CLASS_DECLARATION:
		case CompletionProposal.ANONYMOUS_CLASS_CONSTRUCTOR_INVOCATION:
			return createAnonymousTypeLabel(proposal);
		case CompletionProposal.TYPE_REF:
			return createTypeProposalLabel(proposal);
		case CompletionProposal.JAVADOC_TYPE_REF:
			return createJavadocTypeProposalLabel(proposal);
		case CompletionProposal.JAVADOC_FIELD_REF:
		case CompletionProposal.JAVADOC_VALUE_REF:
		case CompletionProposal.JAVADOC_BLOCK_TAG:
		case CompletionProposal.JAVADOC_INLINE_TAG:
		case CompletionProposal.JAVADOC_PARAM_REF:
			return createJavadocSimpleProposalLabel(proposal);
		case CompletionProposal.JAVADOC_METHOD_REF:
			return createJavadocMethodProposalLabel(proposal);
		case CompletionProposal.PACKAGE_REF:
			return createPackageProposalLabel(proposal);
		case CompletionProposal.ANNOTATION_ATTRIBUTE_REF:
		case CompletionProposal.FIELD_REF:
		case CompletionProposal.FIELD_REF_WITH_CASTED_RECEIVER:
			return createLabelWithTypeAndDeclaration(proposal);
		case CompletionProposal.LOCAL_VARIABLE_REF:
		case CompletionProposal.VARIABLE_DECLARATION:
			return createSimpleLabelWithType(proposal);
		case CompletionProposal.KEYWORD:
		case CompletionProposal.LABEL_REF:
			return createSimpleLabel(proposal);
		default:
			Assert.isTrue(false);
			return null;
	}
}
 

@Override
public void accept(CompletionProposal proposal) {
	switch (proposal.getKind()) {
		case CompletionProposal.PACKAGE_REF :
			char[] packageName= proposal.getDeclarationSignature();
			if (TypeFilter.isFiltered(packageName))
				return;
			addAdjustedCompletion(
					new String(packageName),
					new String(proposal.getCompletion()),
					proposal.getReplaceStart(),
					proposal.getReplaceEnd(),
					proposal.getRelevance(),
					JavaPluginImages.DESC_OBJS_PACKAGE);
			return;

		case CompletionProposal.TYPE_REF :
			char[] signature= proposal.getSignature();
			char[] fullName= Signature.toCharArray(signature);
			if (TypeFilter.isFiltered(fullName))
				return;
			StringBuffer buf= new StringBuffer();
			buf.append(Signature.getSimpleName(fullName));
			if (buf.length() == 0)
				return; // this is the dummy class, whose $ have been converted to dots
			char[] typeQualifier= Signature.getQualifier(fullName);
			if (typeQualifier.length > 0) {
				buf.append(JavaElementLabels.CONCAT_STRING);
				buf.append(typeQualifier);
			}
			String name= buf.toString();

			// Only fully qualify if it's a top level type:
			boolean fullyQualify= fFullyQualify && CharOperation.equals(proposal.getDeclarationSignature(), typeQualifier);

			ImageDescriptor typeImageDescriptor;
			switch (Signature.getTypeSignatureKind(signature)) {
				case Signature.TYPE_VARIABLE_SIGNATURE :
					typeImageDescriptor= JavaPluginImages.DESC_OBJS_TYPEVARIABLE;
					break;
				case Signature.CLASS_TYPE_SIGNATURE :
					typeImageDescriptor= JavaElementImageProvider.getTypeImageDescriptor(false, false, proposal.getFlags(), false);
					break;
				default :
					typeImageDescriptor= null;
			}

			addAdjustedTypeCompletion(
					name,
					new String(proposal.getCompletion()),
					proposal.getReplaceStart(),
					proposal.getReplaceEnd(),
					proposal.getRelevance(),
					typeImageDescriptor,
					fullyQualify ? new String(fullName) : null);
			return;

		case CompletionProposal.KEYWORD:
			if (! fEnableBaseTypes)
				return;
			String keyword= new String(proposal.getName());
			if ( (fEnableVoid && VOID.equals(keyword)) || (fEnableBaseTypes && BASE_TYPES.contains(keyword)) )
				addAdjustedCompletion(
						keyword,
						new String(proposal.getCompletion()),
						proposal.getReplaceStart(),
						proposal.getReplaceEnd(),
						proposal.getRelevance(),
						null);
			return;

		default :
			return;
	}

}
 

/**
 * Returns the type signature of the declaring type of a
 * <code>CompletionProposal</code>, or <code>null</code> for proposals
 * that do not have a declaring type. The return value is <em>not</em>
 * <code>null</code> for proposals of the following kinds:
 * <ul>
 * <li>METHOD_DECLARATION</li>
 * <li>METHOD_NAME_REFERENCE</li>
 * <li>METHOD_REF</li>
 * <li>ANNOTATION_ATTRIBUTE_REF</li>
 * <li>POTENTIAL_METHOD_DECLARATION</li>
 * <li>ANONYMOUS_CLASS_DECLARATION</li>
 * <li>FIELD_REF</li>
 * <li>PACKAGE_REF (returns the package, but no type)</li>
 * <li>TYPE_REF</li>
 * </ul>
 *
 * @param proposal the completion proposal to get the declaring type for
 * @return the type signature of the declaring type, or <code>null</code> if there is none
 * @see Signature#toCharArray(char[])
 */
protected final char[] getDeclaringType(CompletionProposal proposal) {
	switch (proposal.getKind()) {
		case CompletionProposal.METHOD_DECLARATION:
		case CompletionProposal.METHOD_NAME_REFERENCE:
		case CompletionProposal.JAVADOC_METHOD_REF:
		case CompletionProposal.METHOD_REF:
		case CompletionProposal.CONSTRUCTOR_INVOCATION:
		case CompletionProposal.ANONYMOUS_CLASS_CONSTRUCTOR_INVOCATION:
		case CompletionProposal.METHOD_REF_WITH_CASTED_RECEIVER:
		case CompletionProposal.ANNOTATION_ATTRIBUTE_REF:
		case CompletionProposal.POTENTIAL_METHOD_DECLARATION:
		case CompletionProposal.ANONYMOUS_CLASS_DECLARATION:
		case CompletionProposal.FIELD_REF:
		case CompletionProposal.FIELD_REF_WITH_CASTED_RECEIVER:
		case CompletionProposal.JAVADOC_FIELD_REF:
		case CompletionProposal.JAVADOC_VALUE_REF:
			char[] declaration= proposal.getDeclarationSignature();
			// special methods may not have a declaring type: methods defined on arrays etc.
			// Currently known: class literals don't have a declaring type - use Object
			if (declaration == null)
				return "java.lang.Object".toCharArray(); //$NON-NLS-1$
			return Signature.toCharArray(declaration);
		case CompletionProposal.PACKAGE_REF:
			return proposal.getDeclarationSignature();
		case CompletionProposal.JAVADOC_TYPE_REF:
		case CompletionProposal.TYPE_REF:
			return Signature.toCharArray(proposal.getSignature());
		case CompletionProposal.LOCAL_VARIABLE_REF:
		case CompletionProposal.VARIABLE_DECLARATION:
		case CompletionProposal.KEYWORD:
		case CompletionProposal.LABEL_REF:
		case CompletionProposal.JAVADOC_BLOCK_TAG:
		case CompletionProposal.JAVADOC_INLINE_TAG:
		case CompletionProposal.JAVADOC_PARAM_REF:
			return null;
		default:
			Assert.isTrue(false);
			return null;
	}
}
 

private String computeJavaTypeReplacementString(CompletionProposal proposal) {
	String replacement = String.valueOf(proposal.getCompletion());

	/* No import rewriting ever from within the import section. */
	if (isImportCompletion(proposal)) {
		return replacement;
	}

	/*
	 * Always use the simple name for non-formal javadoc references to
	 * types.
	 */
	// TODO fix
	if (proposal.getKind() == CompletionProposal.TYPE_REF
			&& context.isInJavadocText()) {
		return SignatureUtil.getSimpleTypeName(proposal);
	}

	String qualifiedTypeName = SignatureUtil.getQualifiedTypeName(proposal);

	// Type in package info must be fully qualified.
	if (compilationUnit != null
			&& TypeProposalUtils.isPackageInfo(compilationUnit)) {
		return qualifiedTypeName;
	}

	if (qualifiedTypeName.indexOf('.') == -1 && replacement.length() > 0) {
		// default package - no imports needed
		return qualifiedTypeName;
	}

	/*
	 * If the user types in the qualification, don't force import rewriting
	 * on him - insert the qualified name.
	 */
	String prefix="";
	try{
		IDocument document = JsonRpcHelpers.toDocument(this.compilationUnit.getBuffer());
		IRegion region= document.getLineInformationOfOffset(proposal.getReplaceEnd());
		prefix =  document.get(region.getOffset(), proposal.getReplaceEnd() -region.getOffset()).trim();
	}catch(BadLocationException | JavaModelException e){

	}
	int dotIndex = prefix.lastIndexOf('.');
	// match up to the last dot in order to make higher level matching still
	// work (camel case...)
	if (dotIndex != -1
			&& qualifiedTypeName.toLowerCase().startsWith(
					prefix.substring(0, dotIndex + 1).toLowerCase())) {
		return qualifiedTypeName;
	}

	/*
	 * The replacement does not contain a qualification (e.g. an inner type
	 * qualified by its parent) - use the replacement directly.
	 */
	if (replacement.indexOf('.') == -1) {
		if (isInJavadoc())
		{
			return SignatureUtil.getSimpleTypeName(proposal); // don't use
		}
		// the
		// braces
		// added for
		// javadoc
		// link
		// proposals
		return replacement;
	}

	/* Add imports if the preference is on. */
	if (importRewrite != null) {
		return importRewrite.addImport(qualifiedTypeName, null);
	}

	// fall back for the case we don't have an import rewrite (see
	// allowAddingImports)

	/* No imports for implicit imports. */
	if (compilationUnit != null
			&& TypeProposalUtils.isImplicitImport(
					Signature.getQualifier(qualifiedTypeName),
					compilationUnit)) {
		return Signature.getSimpleName(qualifiedTypeName);
	}


	/* Default: use the fully qualified type name. */
	return qualifiedTypeName;
}
 

private void updateReplacement(CompletionProposal proposal, CompletionItem item, char trigger, boolean isResolving) {
	// reset importRewrite
	this.importRewrite = TypeProposalUtils.createImportRewrite(compilationUnit);

	List<org.eclipse.lsp4j.TextEdit> additionalTextEdits = new ArrayList<>();

	StringBuilder completionBuffer = new StringBuilder();
	Range range = null;
	if (isSupportingRequiredProposals(proposal)) {
		CompletionProposal[] requiredProposals = proposal.getRequiredProposals();
		if (requiredProposals != null) {
			for (CompletionProposal requiredProposal : requiredProposals) {
				switch (requiredProposal.getKind()) {
				case CompletionProposal.TYPE_IMPORT:
				case CompletionProposal.METHOD_IMPORT:
				case CompletionProposal.FIELD_IMPORT:
					appendImportProposal(completionBuffer, requiredProposal, proposal.getKind());
					break;
				case CompletionProposal.TYPE_REF:
					org.eclipse.lsp4j.TextEdit edit = toRequiredTypeEdit(requiredProposal, trigger, proposal.canUseDiamond(context));
					if (proposal.getKind() == CompletionProposal.CONSTRUCTOR_INVOCATION
						|| proposal.getKind() == CompletionProposal.ANONYMOUS_CLASS_CONSTRUCTOR_INVOCATION
						|| proposal.getKind() == CompletionProposal.ANONYMOUS_CLASS_DECLARATION) {
							completionBuffer.append(edit.getNewText());
							range = edit.getRange();
					} else {
						additionalTextEdits.add(edit);
					}
					break;
				default:
					/*
					 * In 3.3 we only support the above required proposals, see
					 * CompletionProposal#getRequiredProposals()
					 */
					Assert.isTrue(false);
				}
			}
		}
	}

	if (range == null) {
		boolean completionOverwrite = preferences.isCompletionOverwrite();
		if (!completionOverwrite && (proposal.getKind() == CompletionProposal.METHOD_REF || proposal.getKind() == CompletionProposal.LOCAL_VARIABLE_REF || proposal.getKind() == CompletionProposal.FIELD_REF)) {
			// See https://github.com/redhat-developer/vscode-java/issues/462
			int end = proposal.getReplaceEnd();
			if (end > offset) {
				proposal.setReplaceRange(proposal.getReplaceStart(), offset);
			}
		}
		range = toReplacementRange(proposal);
	}
	if (proposal.getKind() == CompletionProposal.METHOD_DECLARATION) {
		appendMethodOverrideReplacement(completionBuffer, proposal);
	} else if (proposal.getKind() == CompletionProposal.POTENTIAL_METHOD_DECLARATION && proposal instanceof GetterSetterCompletionProposal) {
		appendMethodPotentialReplacement(completionBuffer, (GetterSetterCompletionProposal) proposal);
	} else if (proposal.getKind() == CompletionProposal.ANONYMOUS_CLASS_CONSTRUCTOR_INVOCATION || proposal.getKind() == CompletionProposal.ANONYMOUS_CLASS_DECLARATION) {
		appendAnonymousClass(completionBuffer, proposal, range);
	} else {
		appendReplacementString(completionBuffer, proposal);
	}
	//select insertTextFormat.
	if (client.isCompletionSnippetsSupported()) {
		item.setInsertTextFormat(InsertTextFormat.Snippet);
	} else {
		item.setInsertTextFormat(InsertTextFormat.PlainText);
	}
	String text = completionBuffer.toString();
	if (range != null) {
		item.setTextEdit(new org.eclipse.lsp4j.TextEdit(range, text));
	} else {
		// fallback
		item.setInsertText(text);
	}

	if (!client.isResolveAdditionalTextEditsSupport() || isResolving) {
		addImports(additionalTextEdits);
		if(!additionalTextEdits.isEmpty()){
			item.setAdditionalTextEdits(additionalTextEdits);
		}
	}
}
 

/**
 * Creates and returns a decorated image descriptor for a completion proposal.
 *
 * @param proposal the proposal for which to create an image descriptor
 * @return the created image descriptor, or <code>null</code> if no image is available
 */
public ImageDescriptor createImageDescriptor(CompletionProposal proposal) {
	final int flags= proposal.getFlags();

	ImageDescriptor descriptor;
	switch (proposal.getKind()) {
		case CompletionProposal.METHOD_DECLARATION:
		case CompletionProposal.METHOD_NAME_REFERENCE:
		case CompletionProposal.METHOD_REF:
		case CompletionProposal.CONSTRUCTOR_INVOCATION:
		case CompletionProposal.METHOD_REF_WITH_CASTED_RECEIVER:
		case CompletionProposal.ANNOTATION_ATTRIBUTE_REF:
		case CompletionProposal.POTENTIAL_METHOD_DECLARATION:
		case CompletionProposal.ANONYMOUS_CLASS_DECLARATION:
		case CompletionProposal.ANONYMOUS_CLASS_CONSTRUCTOR_INVOCATION:
			descriptor= JavaElementImageProvider.getMethodImageDescriptor(false, flags);
			break;
		case CompletionProposal.TYPE_REF:
			switch (Signature.getTypeSignatureKind(proposal.getSignature())) {
				case Signature.CLASS_TYPE_SIGNATURE:
					descriptor= JavaElementImageProvider.getTypeImageDescriptor(false, false, flags, false);
					break;
				case Signature.TYPE_VARIABLE_SIGNATURE:
					descriptor= JavaPluginImages.DESC_OBJS_TYPEVARIABLE;
					break;
				default:
					descriptor= null;
			}
			break;
		case CompletionProposal.FIELD_REF:
		case CompletionProposal.FIELD_REF_WITH_CASTED_RECEIVER:
			descriptor= JavaElementImageProvider.getFieldImageDescriptor(false, flags);
			break;
		case CompletionProposal.LOCAL_VARIABLE_REF:
		case CompletionProposal.VARIABLE_DECLARATION:
			descriptor= JavaPluginImages.DESC_OBJS_LOCAL_VARIABLE;
			break;
		case CompletionProposal.PACKAGE_REF:
			descriptor= JavaPluginImages.DESC_OBJS_PACKAGE;
			break;
		case CompletionProposal.KEYWORD:
		case CompletionProposal.LABEL_REF:
			descriptor= null;
			break;
		case CompletionProposal.JAVADOC_METHOD_REF:
		case CompletionProposal.JAVADOC_TYPE_REF:
		case CompletionProposal.JAVADOC_FIELD_REF:
		case CompletionProposal.JAVADOC_VALUE_REF:
		case CompletionProposal.JAVADOC_BLOCK_TAG:
		case CompletionProposal.JAVADOC_INLINE_TAG:
		case CompletionProposal.JAVADOC_PARAM_REF:
			descriptor = JavaPluginImages.DESC_OBJS_JAVADOCTAG;
			break;
		default:
			descriptor= null;
			Assert.isTrue(false);
	}

	if (descriptor == null)
		return null;
	return decorateImageDescriptor(descriptor, proposal);
}
 

private CompletionItemKind mapKind(final CompletionProposal proposal) {
	//When a new CompletionItemKind is added, don't forget to update SUPPORTED_KINDS
	int kind = proposal.getKind();
	int flags = proposal.getFlags();
	switch (kind) {
	case CompletionProposal.ANONYMOUS_CLASS_CONSTRUCTOR_INVOCATION:
	case CompletionProposal.CONSTRUCTOR_INVOCATION:
		return CompletionItemKind.Constructor;
	case CompletionProposal.ANONYMOUS_CLASS_DECLARATION:
	case CompletionProposal.TYPE_REF:
		if (Flags.isInterface(flags)) {
			return CompletionItemKind.Interface;
		} else if (Flags.isEnum(flags)) {
			return CompletionItemKind.Enum;
		}
		return CompletionItemKind.Class;
	case CompletionProposal.FIELD_IMPORT:
	case CompletionProposal.METHOD_IMPORT:
	case CompletionProposal.METHOD_NAME_REFERENCE:
	case CompletionProposal.PACKAGE_REF:
	case CompletionProposal.TYPE_IMPORT:
	case CompletionProposal.MODULE_DECLARATION:
	case CompletionProposal.MODULE_REF:
		return CompletionItemKind.Module;
	case CompletionProposal.FIELD_REF:
		if (Flags.isEnum(flags)) {
			return CompletionItemKind.EnumMember;
		}
		if (Flags.isStatic(flags) && Flags.isFinal(flags)) {
			return CompletionItemKind.Constant;
		}
		return CompletionItemKind.Field;
	case CompletionProposal.FIELD_REF_WITH_CASTED_RECEIVER:
		return CompletionItemKind.Field;
	case CompletionProposal.KEYWORD:
		return CompletionItemKind.Keyword;
	case CompletionProposal.LABEL_REF:
		return CompletionItemKind.Reference;
	case CompletionProposal.LOCAL_VARIABLE_REF:
	case CompletionProposal.VARIABLE_DECLARATION:
		return CompletionItemKind.Variable;
	case CompletionProposal.METHOD_DECLARATION:
	case CompletionProposal.METHOD_REF:
	case CompletionProposal.METHOD_REF_WITH_CASTED_RECEIVER:
	case CompletionProposal.POTENTIAL_METHOD_DECLARATION:
		return CompletionItemKind.Method;
		//text
	case CompletionProposal.ANNOTATION_ATTRIBUTE_REF:
	case CompletionProposal.JAVADOC_BLOCK_TAG:
	case CompletionProposal.JAVADOC_FIELD_REF:
	case CompletionProposal.JAVADOC_INLINE_TAG:
	case CompletionProposal.JAVADOC_METHOD_REF:
	case CompletionProposal.JAVADOC_PARAM_REF:
	case CompletionProposal.JAVADOC_TYPE_REF:
	case CompletionProposal.JAVADOC_VALUE_REF:
	default:
		return CompletionItemKind.Text;
	}
}