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

@Override
protected boolean isValidPrefix(String prefix) {
	if (super.isValidPrefix(prefix))
		return true;

	if (fProposal.getKind() == CompletionProposal.METHOD_NAME_REFERENCE) {
		// static imports - includes package & type name
		StringBuffer buf= new StringBuffer();
		buf.append(Signature.toCharArray(fProposal.getDeclarationSignature()));
		buf.append('.');
		buf.append(TextProcessor.deprocess(getDisplayString()));
		return isPrefix(prefix, buf.toString());
	}

	return false;
}
 

private void ignoreAll() {
  int[] ignoredKinds = new int[] {
      CompletionProposal.ANONYMOUS_CLASS_DECLARATION,
      CompletionProposal.FIELD_REF, CompletionProposal.KEYWORD,
      CompletionProposal.LABEL_REF, CompletionProposal.LOCAL_VARIABLE_REF,
      CompletionProposal.METHOD_REF, CompletionProposal.METHOD_DECLARATION,
      CompletionProposal.PACKAGE_REF, CompletionProposal.TYPE_REF,
      CompletionProposal.VARIABLE_DECLARATION,
      CompletionProposal.POTENTIAL_METHOD_DECLARATION,
      CompletionProposal.METHOD_NAME_REFERENCE,
      CompletionProposal.ANNOTATION_ATTRIBUTE_REF,
      CompletionProposal.JAVADOC_FIELD_REF,
      CompletionProposal.JAVADOC_METHOD_REF,
      CompletionProposal.JAVADOC_TYPE_REF,
      CompletionProposal.JAVADOC_VALUE_REF,
      CompletionProposal.JAVADOC_PARAM_REF,
      CompletionProposal.JAVADOC_BLOCK_TAG,
      CompletionProposal.JAVADOC_INLINE_TAG, CompletionProposal.FIELD_IMPORT,
      CompletionProposal.METHOD_IMPORT, CompletionProposal.TYPE_IMPORT};

  for (int kind : ignoredKinds) {
    setIgnored(kind, true);
  }
}
 

/**
 * Creates and returns the method signature suitable for display.
 *
 * @param proposal
 *            the proposal to create the description for
 * @return the string of method signature suitable for display
 */
public StringBuilder createMethodProposalDescription(CompletionProposal proposal) {
	int kind = proposal.getKind();
	StringBuilder description = new StringBuilder();
	switch (kind) {
		case CompletionProposal.METHOD_REF:
		case CompletionProposal.METHOD_NAME_REFERENCE:
		case CompletionProposal.POTENTIAL_METHOD_DECLARATION:
		case CompletionProposal.CONSTRUCTOR_INVOCATION:

			// method name
			description.append(proposal.getName());

			// parameters
			description.append('(');
			appendUnboundedParameterList(description, proposal);
			description.append(')');

			// return type
			if (!proposal.isConstructor()) {
				// TODO remove SignatureUtil.fix83600 call when bugs are fixed
				char[] returnType = createTypeDisplayName(SignatureUtil.getUpperBound(Signature.getReturnType(SignatureUtil.fix83600(proposal.getSignature()))));
				description.append(RETURN_TYPE_SEPARATOR);
				description.append(returnType);
			}
	}
	return description; // dummy
}
 

/**
 * Returns <code>true</code> if the argument list should be inserted by the proposal,
 * <code>false</code> if not.
 *
 * @return <code>true</code> when the proposal is not in javadoc nor within an import and comprises the
 *         parameter list
 */
protected boolean hasArgumentList() {
	if (CompletionProposal.METHOD_NAME_REFERENCE == fProposal.getKind())
		return false;
	IPreferenceStore preferenceStore= JavaPlugin.getDefault().getPreferenceStore();
	boolean noOverwrite= preferenceStore.getBoolean(PreferenceConstants.CODEASSIST_INSERT_COMPLETION) ^ isToggleEating();
	char[] completion= fProposal.getCompletion();
	return !isInJavadoc() && completion.length > 0 && (noOverwrite  || completion[completion.length - 1] == ')');
}
 

@Override
protected char[] computeTriggerCharacters() {
	if (fProposal.getKind() == CompletionProposal.METHOD_NAME_REFERENCE)
		return METHOD_NAME_TRIGGERS;
	if (hasParameters())
		return METHOD_WITH_ARGUMENTS_TRIGGERS;
	return METHOD_TRIGGERS;
}
 

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>.
 * <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;
	}
}
 

protected boolean hasArgumentList(CompletionProposal proposal) {
	if (CompletionProposal.METHOD_NAME_REFERENCE == proposal.getKind()) {
		return false;
	}
	char[] completion= proposal.getCompletion();
	return !isInJavadoc() && completion.length > 0 && completion[completion.length - 1] == RPAREN;
}
 

/**
 * 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);
	}
}
 

/**
 * 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;
	}
}
 

/**
 * 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);
}
 

/**
 * Returns a version of <code>descriptor</code> decorated according to
 * the passed <code>modifier</code> flags.
 *
 * @param descriptor the image descriptor to decorate
 * @param proposal the proposal
 * @return an image descriptor for a method proposal
 * @see Flags
 */
private ImageDescriptor decorateImageDescriptor(ImageDescriptor descriptor, CompletionProposal proposal) {
	int adornments= 0;
	int flags= proposal.getFlags();
	int kind= proposal.getKind();

	boolean deprecated= Flags.isDeprecated(flags);
	if (!deprecated) {
		CompletionProposal[] requiredProposals= proposal.getRequiredProposals();
		if (requiredProposals != null) {
			for (int i= 0; i < requiredProposals.length; i++) {
				CompletionProposal requiredProposal= requiredProposals[i];
				if (requiredProposal.getKind() == CompletionProposal.TYPE_REF) {
					deprecated |= Flags.isDeprecated(requiredProposal.getFlags());
				}
			}
		}
	}
	if (deprecated)
		adornments |= JavaElementImageDescriptor.DEPRECATED;

	if (kind == CompletionProposal.FIELD_REF || kind == CompletionProposal.METHOD_DECLARATION || kind == CompletionProposal.METHOD_NAME_REFERENCE
			|| kind == CompletionProposal.METHOD_REF || kind == CompletionProposal.CONSTRUCTOR_INVOCATION)
		if (Flags.isStatic(flags))
			adornments |= JavaElementImageDescriptor.STATIC;

	if (kind == CompletionProposal.METHOD_DECLARATION || kind == CompletionProposal.METHOD_NAME_REFERENCE || kind == CompletionProposal.METHOD_REF
			|| kind == CompletionProposal.CONSTRUCTOR_INVOCATION)
		if (Flags.isSynchronized(flags))
			adornments |= JavaElementImageDescriptor.SYNCHRONIZED;
	if (kind == CompletionProposal.METHOD_DECLARATION || kind == CompletionProposal.METHOD_NAME_REFERENCE || kind == CompletionProposal.METHOD_REF)
		if (Flags.isDefaultMethod(flags))
			adornments|= JavaElementImageDescriptor.DEFAULT_METHOD;
	if (kind == CompletionProposal.ANNOTATION_ATTRIBUTE_REF)
		if (Flags.isAnnnotationDefault(flags))
			adornments|= JavaElementImageDescriptor.ANNOTATION_DEFAULT;

	if (kind == CompletionProposal.TYPE_REF && Flags.isAbstract(flags) && !Flags.isInterface(flags))
		adornments |= JavaElementImageDescriptor.ABSTRACT;

	if (kind == CompletionProposal.FIELD_REF) {
		if (Flags.isFinal(flags))
			adornments |= JavaElementImageDescriptor.FINAL;
		if (Flags.isTransient(flags))
			adornments |= JavaElementImageDescriptor.TRANSIENT;
		if (Flags.isVolatile(flags))
			adornments |= JavaElementImageDescriptor.VOLATILE;
	}

	return new JavaElementImageDescriptor(descriptor, adornments, JavaElementImageProvider.SMALL_SIZE);
}
 

/**
 * Creates a new java completion proposal from a core proposal. This may
 * involve computing the display label and setting up some context.
 * <p>
 * This method is called for every proposal that will be displayed to the
 * user, which may be hundreds. Implementations should therefore defer as
 * much work as possible: Labels should be computed lazily to leverage
 * virtual table usage, and any information only needed when
 * <em>applying</em> a proposal should not be computed yet.
 * </p>
 * <p>
 * Implementations may return <code>null</code> if a proposal should not
 * be included in the list presented to the user.
 * </p>
 * <p>
 * Subclasses may extend or replace this method.
 * </p>
 *
 * @param proposal the core completion proposal to create a UI proposal for
 * @return the created java completion proposal, or <code>null</code> if
 *         no proposal should be displayed
 */
protected IJavaCompletionProposal createJavaCompletionProposal(CompletionProposal proposal) {
	switch (proposal.getKind()) {
		case CompletionProposal.KEYWORD:
			return createKeywordProposal(proposal);
		case CompletionProposal.PACKAGE_REF:
			return createPackageProposal(proposal);
		case CompletionProposal.TYPE_REF:
			return createTypeProposal(proposal);
		case CompletionProposal.JAVADOC_TYPE_REF:
			return createJavadocLinkTypeProposal(proposal);
		case CompletionProposal.FIELD_REF:
		case CompletionProposal.JAVADOC_FIELD_REF:
		case CompletionProposal.JAVADOC_VALUE_REF:
			return createFieldProposal(proposal);
		case CompletionProposal.FIELD_REF_WITH_CASTED_RECEIVER:
			return createFieldWithCastedReceiverProposal(proposal);
		case CompletionProposal.METHOD_REF:
		case CompletionProposal.CONSTRUCTOR_INVOCATION:
		case CompletionProposal.METHOD_REF_WITH_CASTED_RECEIVER:
		case CompletionProposal.METHOD_NAME_REFERENCE:
		case CompletionProposal.JAVADOC_METHOD_REF:
			return createMethodReferenceProposal(proposal);
		case CompletionProposal.METHOD_DECLARATION:
			return createMethodDeclarationProposal(proposal);
		case CompletionProposal.ANONYMOUS_CLASS_CONSTRUCTOR_INVOCATION:
			return createAnonymousTypeProposal(proposal, getInvocationContext());
		case CompletionProposal.ANONYMOUS_CLASS_DECLARATION:
			return createAnonymousTypeProposal(proposal, null);
		case CompletionProposal.LABEL_REF:
			return createLabelProposal(proposal);
		case CompletionProposal.LOCAL_VARIABLE_REF:
		case CompletionProposal.VARIABLE_DECLARATION:
			return createLocalVariableProposal(proposal);
		case CompletionProposal.ANNOTATION_ATTRIBUTE_REF:
			return createAnnotationAttributeReferenceProposal(proposal);
		case CompletionProposal.JAVADOC_BLOCK_TAG:
		case CompletionProposal.JAVADOC_PARAM_REF:
			return createJavadocSimpleProposal(proposal);
		case CompletionProposal.JAVADOC_INLINE_TAG:
			return createJavadocInlineTagProposal(proposal);
		case CompletionProposal.POTENTIAL_METHOD_DECLARATION:
		default:
			return null;
	}
}
 

/**
 * 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;
	}
}
 

/**
 * copied from
 * org.eclipse.jdt.ui.text.java.CompletionProposalCollector.getDeclaringType(CompletionProposal)
 */
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:
		case CompletionProposal.MODULE_REF:
		case CompletionProposal.MODULE_DECLARATION:
			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 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;
	}
}
 

/**
 * Updates the description fields of the item.
 *
 * @param proposal
 * @param item
 */
public void updateDescription(CompletionProposal proposal, CompletionItem item) {
	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()) {
				createJavadocMethodProposalLabel(proposal, item);
				break;
			}
			createMethodProposalLabel(proposal, item);
			break;
		case CompletionProposal.METHOD_DECLARATION:
			createOverrideMethodProposalLabel(proposal, item);
			break;
		case CompletionProposal.ANONYMOUS_CLASS_DECLARATION:
		case CompletionProposal.ANONYMOUS_CLASS_CONSTRUCTOR_INVOCATION:
			createAnonymousTypeLabel(proposal, item);
			break;
		case CompletionProposal.TYPE_REF:
			createTypeProposalLabel(proposal, item);
			break;
		case CompletionProposal.JAVADOC_TYPE_REF:
			createJavadocTypeProposalLabel(proposal, item);
			break;
		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:
			createJavadocSimpleProposalLabel(proposal, item);
			break;
		case CompletionProposal.JAVADOC_METHOD_REF:
			createJavadocMethodProposalLabel(proposal, item);
			break;
		case CompletionProposal.PACKAGE_REF:
		case CompletionProposal.MODULE_DECLARATION:
		case CompletionProposal.MODULE_REF:
			createPackageProposalLabel(proposal, item);
			break;
		case CompletionProposal.ANNOTATION_ATTRIBUTE_REF:
		case CompletionProposal.FIELD_REF:
		case CompletionProposal.FIELD_REF_WITH_CASTED_RECEIVER:
			createLabelWithTypeAndDeclaration(proposal, item);
			break;
		case CompletionProposal.LOCAL_VARIABLE_REF:
		case CompletionProposal.VARIABLE_DECLARATION:
			createSimpleLabelWithType(proposal, item);
			break;
		case CompletionProposal.KEYWORD:
		case CompletionProposal.LABEL_REF:
			item.setLabel(createSimpleLabel(proposal).toString());
			break;
		default:
			JavaLanguageServerPlugin.logInfo(new String(proposal.getName()) + " is of type " + getProposal(proposal));
			Assert.isTrue(false);
	}
}
 

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;
    }
}