Examples with TypeParameter org.eclipse.jdt.core.dom.TypeParameter used on opensource projects

Example 6 with TypeParameter

use of org.eclipse.jdt.core.dom.TypeParameter in project che by eclipse.

the class ConvertAnonymousToNestedRefactoring method getTypeParameters.

private ITypeBinding[] getTypeParameters() {
    final List<ITypeBinding> parameters = new ArrayList<ITypeBinding>(4);
    final ClassInstanceCreation creation = (ClassInstanceCreation) fAnonymousInnerClassNode.getParent();
    if (fDeclareStatic) {
        final TypeVariableFinder finder = new TypeVariableFinder();
        creation.accept(finder);
        return finder.getResult();
    } else {
        final MethodDeclaration declaration = getEnclosingMethodDeclaration(creation);
        if (declaration != null) {
            ITypeBinding binding = null;
            TypeParameter parameter = null;
            for (final Iterator<TypeParameter> iterator = declaration.typeParameters().iterator(); iterator.hasNext(); ) {
                parameter = iterator.next();
                binding = parameter.resolveBinding();
                if (binding != null)
                    parameters.add(binding);
            }
        }
    }
    final TypeVariableFinder finder = new TypeVariableFinder();
    creation.accept(finder);
    final ITypeBinding[] variables = finder.getResult();
    final List<ITypeBinding> remove = new ArrayList<ITypeBinding>(4);
    boolean match = false;
    ITypeBinding binding = null;
    ITypeBinding variable = null;
    for (final Iterator<ITypeBinding> iterator = parameters.iterator(); iterator.hasNext(); ) {
        match = false;
        binding = iterator.next();
        for (int index = 0; index < variables.length; index++) {
            variable = variables[index];
            if (variable.equals(binding))
                match = true;
        }
        if (!match)
            remove.add(binding);
    }
    parameters.removeAll(remove);
    final ITypeBinding[] result = new ITypeBinding[parameters.size()];
    parameters.toArray(result);
    return result;
}

Example 7 with TypeParameter

use of org.eclipse.jdt.core.dom.TypeParameter in project flux by eclipse.

the class StubUtility method getMethodComment.

/*
	 * Don't use this method directly, use CodeGeneration.
	 * This method should work with all AST levels.
	 * @see org.eclipse.jdt.ui.CodeGeneration#getMethodComment(ICompilationUnit, String, MethodDeclaration, boolean, String, String[], String)
	 */
public static String getMethodComment(ICompilationUnit cu, String typeName, MethodDeclaration decl, boolean isDeprecated, String targetName, String targetMethodDeclaringTypeName, String[] targetMethodParameterTypeNames, boolean delegate, String lineDelimiter) throws CoreException {
    boolean needsTarget = targetMethodDeclaringTypeName != null && targetMethodParameterTypeNames != null;
    String templateName = CodeTemplateContextType.METHODCOMMENT_ID;
    if (decl.isConstructor()) {
        templateName = CodeTemplateContextType.CONSTRUCTORCOMMENT_ID;
    } else if (needsTarget) {
        if (delegate)
            templateName = CodeTemplateContextType.DELEGATECOMMENT_ID;
        else
            templateName = CodeTemplateContextType.OVERRIDECOMMENT_ID;
    }
    Template template = getCodeTemplate(templateName, cu.getJavaProject());
    if (template == null) {
        return null;
    }
    CodeTemplateContext context = new CodeTemplateContext(template.getContextTypeId(), cu.getJavaProject(), lineDelimiter);
    context.setCompilationUnitVariables(cu);
    context.setVariable(CodeTemplateContextType.ENCLOSING_TYPE, typeName);
    context.setVariable(CodeTemplateContextType.ENCLOSING_METHOD, decl.getName().getIdentifier());
    if (!decl.isConstructor()) {
        context.setVariable(CodeTemplateContextType.RETURN_TYPE, ASTNodes.asString(getReturnType(decl)));
    }
    if (needsTarget) {
        if (delegate)
            context.setVariable(CodeTemplateContextType.SEE_TO_TARGET_TAG, getSeeTag(targetMethodDeclaringTypeName, targetName, targetMethodParameterTypeNames));
        else
            context.setVariable(CodeTemplateContextType.SEE_TO_OVERRIDDEN_TAG, getSeeTag(targetMethodDeclaringTypeName, targetName, targetMethodParameterTypeNames));
    }
    TemplateBuffer buffer;
    try {
        buffer = context.evaluate(template);
    } catch (BadLocationException e) {
        throw new CoreException(Status.CANCEL_STATUS);
    } catch (TemplateException e) {
        throw new CoreException(Status.CANCEL_STATUS);
    }
    if (buffer == null)
        return null;
    String str = buffer.getString();
    if (Strings.containsOnlyWhitespaces(str)) {
        return null;
    }
    // look if Javadoc tags have to be added
    TemplateVariable position = findVariable(buffer, CodeTemplateContextType.TAGS);
    if (position == null) {
        return str;
    }
    IDocument textBuffer = new Document(str);
    List<TypeParameter> typeParams = shouldGenerateMethodTypeParameterTags(cu.getJavaProject()) ? decl.typeParameters() : Collections.emptyList();
    String[] typeParamNames = new String[typeParams.size()];
    for (int i = 0; i < typeParamNames.length; i++) {
        TypeParameter elem = typeParams.get(i);
        typeParamNames[i] = elem.getName().getIdentifier();
    }
    List<SingleVariableDeclaration> params = decl.parameters();
    String[] paramNames = new String[params.size()];
    for (int i = 0; i < paramNames.length; i++) {
        SingleVariableDeclaration elem = params.get(i);
        paramNames[i] = elem.getName().getIdentifier();
    }
    String[] exceptionNames = getExceptionNames(decl);
    String returnType = null;
    if (!decl.isConstructor()) {
        returnType = ASTNodes.asString(getReturnType(decl));
    }
    int[] tagOffsets = position.getOffsets();
    for (int i = tagOffsets.length - 1; i >= 0; i--) {
        // from last to first
        try {
            insertTag(textBuffer, tagOffsets[i], position.getLength(), paramNames, exceptionNames, returnType, typeParamNames, isDeprecated, lineDelimiter);
        } catch (BadLocationException e) {
            throw new CoreException(JavaUIStatus.createError(IStatus.ERROR, e));
        }
    }
    return textBuffer.get();
}

Example 8 with TypeParameter

use of org.eclipse.jdt.core.dom.TypeParameter in project flux by eclipse.

the class ASTNodeFactory method newTypeParameter.

public static TypeParameter newTypeParameter(AST ast, String content) {
    StringBuffer buffer = new StringBuffer(TYPEPARAM_HEADER);
    buffer.append(content);
    buffer.append(TYPEPARAM_FOOTER);
    ASTParser p = ASTParser.newParser(ast.apiLevel());
    p.setSource(buffer.toString().toCharArray());
    CompilationUnit root = (CompilationUnit) p.createAST(null);
    List<AbstractTypeDeclaration> list = root.types();
    TypeDeclaration typeDecl = (TypeDeclaration) list.get(0);
    MethodDeclaration methodDecl = typeDecl.getMethods()[0];
    TypeParameter tp = (TypeParameter) methodDecl.typeParameters().get(0);
    ASTNode result = ASTNode.copySubtree(ast, tp);
    result.accept(new PositionClearer());
    return (TypeParameter) result;
}

Example 9 with TypeParameter

use of org.eclipse.jdt.core.dom.TypeParameter in project che by eclipse.

the class StubUtility2 method createTypeParameters.

private static void createTypeParameters(ImportRewrite imports, ImportRewriteContext context, AST ast, IMethodBinding binding, MethodDeclaration decl) {
    ITypeBinding[] typeParams = binding.getTypeParameters();
    List<TypeParameter> typeParameters = decl.typeParameters();
    for (int i = 0; i < typeParams.length; i++) {
        ITypeBinding curr = typeParams[i];
        TypeParameter newTypeParam = ast.newTypeParameter();
        newTypeParam.setName(ast.newSimpleName(curr.getName()));
        ITypeBinding[] typeBounds = curr.getTypeBounds();
        if (typeBounds.length != 1 || !"java.lang.Object".equals(typeBounds[0].getQualifiedName())) {
            //$NON-NLS-1$
            List<Type> newTypeBounds = newTypeParam.typeBounds();
            for (int k = 0; k < typeBounds.length; k++) {
                newTypeBounds.add(imports.addImport(typeBounds[k], ast, context));
            }
        }
        typeParameters.add(newTypeParam);
    }
}

Example 10 with TypeParameter

use of org.eclipse.jdt.core.dom.TypeParameter in project che by eclipse.

the class ASTNodeFactory method newTypeParameter.

public static TypeParameter newTypeParameter(AST ast, String content) {
    StringBuffer buffer = new StringBuffer(TYPEPARAM_HEADER);
    buffer.append(content);
    buffer.append(TYPEPARAM_FOOTER);
    CheASTParser p = CheASTParser.newParser(ast.apiLevel());
    p.setSource(buffer.toString().toCharArray());
    CompilationUnit root = (CompilationUnit) p.createAST(null);
    List<AbstractTypeDeclaration> list = root.types();
    TypeDeclaration typeDecl = (TypeDeclaration) list.get(0);
    MethodDeclaration methodDecl = typeDecl.getMethods()[0];
    TypeParameter tp = (TypeParameter) methodDecl.typeParameters().get(0);
    ASTNode result = ASTNode.copySubtree(ast, tp);
    result.accept(new PositionClearer());
    return (TypeParameter) result;
}