Examples with ICompilationUnit org.eclipse.jdt.core.ICompilationUnit used on opensource projects

Example 46 with ICompilationUnit

use of org.eclipse.jdt.core.ICompilationUnit in project che by eclipse.

the class TypeMismatchSubProcessor method addChangeSenderTypeProposals.

public static void addChangeSenderTypeProposals(IInvocationContext context, Expression nodeToCast, ITypeBinding castTypeBinding, boolean isAssignedNode, int relevance, Collection<ICommandAccess> proposals) throws JavaModelException {
    IBinding callerBinding = Bindings.resolveExpressionBinding(nodeToCast, false);
    ICompilationUnit cu = context.getCompilationUnit();
    CompilationUnit astRoot = context.getASTRoot();
    ICompilationUnit targetCu = null;
    ITypeBinding declaringType = null;
    IBinding callerBindingDecl = callerBinding;
    if (callerBinding instanceof IVariableBinding) {
        IVariableBinding variableBinding = (IVariableBinding) callerBinding;
        if (variableBinding.isEnumConstant()) {
            return;
        }
        if (!variableBinding.isField()) {
            targetCu = cu;
        } else {
            callerBindingDecl = variableBinding.getVariableDeclaration();
            ITypeBinding declaringClass = variableBinding.getDeclaringClass();
            if (declaringClass == null) {
                // array length
                return;
            }
            declaringType = declaringClass.getTypeDeclaration();
        }
    } else if (callerBinding instanceof IMethodBinding) {
        IMethodBinding methodBinding = (IMethodBinding) callerBinding;
        if (!methodBinding.isConstructor()) {
            declaringType = methodBinding.getDeclaringClass().getTypeDeclaration();
            callerBindingDecl = methodBinding.getMethodDeclaration();
        }
    } else if (callerBinding instanceof ITypeBinding && nodeToCast.getLocationInParent() == SingleMemberAnnotation.TYPE_NAME_PROPERTY) {
        declaringType = (ITypeBinding) callerBinding;
        //$NON-NLS-1$
        callerBindingDecl = Bindings.findMethodInType(declaringType, "value", (String[]) null);
        if (callerBindingDecl == null) {
            return;
        }
    }
    if (declaringType != null && declaringType.isFromSource()) {
        targetCu = ASTResolving.findCompilationUnitForBinding(cu, astRoot, declaringType);
    }
    if (targetCu != null && ASTResolving.isUseableTypeInContext(castTypeBinding, callerBindingDecl, false)) {
        proposals.add(new TypeChangeCorrectionProposal(targetCu, callerBindingDecl, astRoot, castTypeBinding, isAssignedNode, relevance));
    }
    // add interface to resulting type
    if (!isAssignedNode) {
        ITypeBinding nodeType = nodeToCast.resolveTypeBinding();
        if (castTypeBinding.isInterface() && nodeType != null && nodeType.isClass() && !nodeType.isAnonymous() && nodeType.isFromSource()) {
            ITypeBinding typeDecl = nodeType.getTypeDeclaration();
            ICompilationUnit nodeCu = ASTResolving.findCompilationUnitForBinding(cu, astRoot, typeDecl);
            if (nodeCu != null && ASTResolving.isUseableTypeInContext(castTypeBinding, typeDecl, true)) {
                proposals.add(new ImplementInterfaceProposal(nodeCu, typeDecl, astRoot, castTypeBinding, relevance - 1));
            }
        }
    }
}

Example 47 with ICompilationUnit

use of org.eclipse.jdt.core.ICompilationUnit in project che by eclipse.

the class UnresolvedElementsSubProcessor method getAnnotationMemberProposals.

public static void getAnnotationMemberProposals(IInvocationContext context, IProblemLocation problem, Collection<ICommandAccess> proposals) throws CoreException {
    CompilationUnit astRoot = context.getASTRoot();
    ICompilationUnit cu = context.getCompilationUnit();
    ASTNode selectedNode = problem.getCoveringNode(astRoot);
    Annotation annotation;
    String memberName;
    if (selectedNode.getLocationInParent() == MemberValuePair.NAME_PROPERTY) {
        if (selectedNode.getParent().getLocationInParent() != NormalAnnotation.VALUES_PROPERTY) {
            return;
        }
        annotation = (Annotation) selectedNode.getParent().getParent();
        memberName = ((SimpleName) selectedNode).getIdentifier();
    } else if (selectedNode.getLocationInParent() == SingleMemberAnnotation.VALUE_PROPERTY) {
        annotation = (Annotation) selectedNode.getParent();
        //$NON-NLS-1$
        memberName = "value";
    } else {
        return;
    }
    ITypeBinding annotBinding = annotation.resolveTypeBinding();
    if (annotBinding == null) {
        return;
    }
    if (annotation instanceof NormalAnnotation) {
        // similar names
        IMethodBinding[] otherMembers = annotBinding.getDeclaredMethods();
        for (int i = 0; i < otherMembers.length; i++) {
            IMethodBinding binding = otherMembers[i];
            String curr = binding.getName();
            int relevance = NameMatcher.isSimilarName(memberName, curr) ? IProposalRelevance.CHANGE_TO_ATTRIBUTE_SIMILAR_NAME : IProposalRelevance.CHANGE_TO_ATTRIBUTE;
            String label = Messages.format(CorrectionMessages.UnresolvedElementsSubProcessor_UnresolvedElementsSubProcessor_changetoattribute_description, BasicElementLabels.getJavaElementName(curr));
            proposals.add(new RenameNodeCorrectionProposal(label, cu, problem.getOffset(), problem.getLength(), curr, relevance));
        }
    }
    if (annotBinding.isFromSource()) {
        ICompilationUnit targetCU = ASTResolving.findCompilationUnitForBinding(cu, astRoot, annotBinding);
        if (targetCU != null) {
            String label = Messages.format(CorrectionMessages.UnresolvedElementsSubProcessor_UnresolvedElementsSubProcessor_createattribute_description, BasicElementLabels.getJavaElementName(memberName));
            Image image = JavaPluginImages.get(JavaPluginImages.IMG_MISC_PUBLIC);
            proposals.add(new NewAnnotationMemberProposal(label, targetCU, selectedNode, annotBinding, IProposalRelevance.CREATE_ATTRIBUTE, image));
        }
    }
}

Example 48 with ICompilationUnit

use of org.eclipse.jdt.core.ICompilationUnit in project che by eclipse.

the class AssistQuickFixTest17 method testUnrollMultiCatch2.

@Test
public void testUnrollMultiCatch2() throws Exception {
    IPackageFragment pack1 = fSourceFolder.createPackageFragment("test1", false, null);
    StringBuffer buf = new StringBuffer();
    buf.append("package test1;\n");
    buf.append("public class E {\n");
    buf.append("    void foo() {\n");
    buf.append("        try {\n");
    buf.append("            System.out.println(\"foo\");\n");
    buf.append("        } catch (IllegalArgumentException | NullPointerException e) {\n");
    buf.append("            e.printStackTrace();\n");
    buf.append("        } catch (RuntimeException e) {\n");
    buf.append("            e.printStackTrace();\n");
    buf.append("        }\n");
    buf.append("    }\n");
    buf.append("}\n");
    ICompilationUnit cu = pack1.createCompilationUnit("E.java", buf.toString(), false, null);
    int offset = buf.toString().indexOf("catch");
    AssistContext context = getCorrectionContext(cu, offset, 0);
    assertNoErrors(context);
    List proposals = collectAssists(context, false);
    assertCorrectLabels(proposals);
    buf = new StringBuffer();
    buf.append("package test1;\n");
    buf.append("public class E {\n");
    buf.append("    void foo() {\n");
    buf.append("        try {\n");
    buf.append("            System.out.println(\"foo\");\n");
    buf.append("        } catch (IllegalArgumentException e) {\n");
    buf.append("            e.printStackTrace();\n");
    buf.append("        } catch (NullPointerException e) {\n");
    buf.append("            e.printStackTrace();\n");
    buf.append("        } catch (RuntimeException e) {\n");
    buf.append("            e.printStackTrace();\n");
    buf.append("        }\n");
    buf.append("    }\n");
    buf.append("}\n");
    String expected1 = buf.toString();
    assertExpectedExistInProposals(proposals, new String[] { expected1 });
}

Example 49 with ICompilationUnit

use of org.eclipse.jdt.core.ICompilationUnit in project che by eclipse.

the class AssistQuickFixTest17 method testPickoutTypeFromMulticatch2.

@Test
public void testPickoutTypeFromMulticatch2() throws Exception {
    IPackageFragment pack1 = fSourceFolder.createPackageFragment("test1", false, null);
    StringBuffer buf = new StringBuffer();
    buf.append("package test1;\n");
    buf.append("import java.lang.reflect.InvocationTargetException;\n");
    buf.append("public class E {\n");
    buf.append("    public void foo() {\n");
    buf.append("        try {\n");
    buf.append("            String.class.getConstructor().newInstance();\n");
    buf.append("        } catch (InstantiationException | IllegalAccessException\n");
    buf.append("                | IllegalArgumentException | InvocationTargetException\n");
    buf.append("                | java.lang.NoSuchMethodException | SecurityException e) {\n");
    buf.append("            e.printStackTrace();\n");
    buf.append("        }\n");
    buf.append("    }\n");
    buf.append("}\n");
    ICompilationUnit cu = pack1.createCompilationUnit("E.java", buf.toString(), false, null);
    String string = "MethodException";
    int offset = buf.toString().indexOf(string);
    AssistContext context = getCorrectionContext(cu, offset, 0);
    List proposals = collectAssists(context, false);
    assertNumberOfProposals(proposals, 4);
    assertCorrectLabels(proposals);
    buf = new StringBuffer();
    buf.append("package test1;\n");
    buf.append("import java.lang.reflect.InvocationTargetException;\n");
    buf.append("public class E {\n");
    buf.append("    public void foo() {\n");
    buf.append("        try {\n");
    buf.append("            String.class.getConstructor().newInstance();\n");
    buf.append("        } catch (InstantiationException | IllegalAccessException\n");
    buf.append("                | IllegalArgumentException | InvocationTargetException\n");
    buf.append("                | SecurityException e) {\n");
    buf.append("            e.printStackTrace();\n");
    buf.append("        }\n");
    buf.append("    }\n");
    buf.append("}\n");
    String expected1 = buf.toString();
    buf = new StringBuffer();
    buf.append("package test1;\n");
    buf.append("import java.lang.reflect.InvocationTargetException;\n");
    buf.append("public class E {\n");
    buf.append("    public void foo() throws java.lang.NoSuchMethodException {\n");
    buf.append("        try {\n");
    buf.append("            String.class.getConstructor().newInstance();\n");
    buf.append("        } catch (InstantiationException | IllegalAccessException\n");
    buf.append("                | IllegalArgumentException | InvocationTargetException\n");
    buf.append("                | SecurityException e) {\n");
    buf.append("            e.printStackTrace();\n");
    buf.append("        }\n");
    buf.append("    }\n");
    buf.append("}\n");
    String expected2 = buf.toString();
    buf = new StringBuffer();
    buf.append("package test1;\n");
    buf.append("import java.lang.reflect.InvocationTargetException;\n");
    buf.append("public class E {\n");
    buf.append("    public void foo() {\n");
    buf.append("        try {\n");
    buf.append("            String.class.getConstructor().newInstance();\n");
    buf.append("        } catch (InstantiationException | IllegalAccessException\n");
    buf.append("                | IllegalArgumentException | InvocationTargetException\n");
    buf.append("                | SecurityException e) {\n");
    buf.append("            e.printStackTrace();\n");
    buf.append("        } catch (java.lang.NoSuchMethodException e) {\n");
    buf.append("            e.printStackTrace();\n");
    buf.append("        }\n");
    buf.append("    }\n");
    buf.append("}\n");
    String expected3 = buf.toString();
    assertExpectedExistInProposals(proposals, new String[] { expected1, expected2, expected3 });
}

Example 50 with ICompilationUnit

use of org.eclipse.jdt.core.ICompilationUnit in project che by eclipse.

the class AssistQuickFixTest18 method testConvertToAnonymousClassCreation1.

@Test
public void testConvertToAnonymousClassCreation1() throws Exception {
    IPackageFragment pack1 = fSourceFolder.createPackageFragment("test1", false, null);
    StringBuffer buf = new StringBuffer();
    buf.append("package test1;\n");
    buf.append("interface I {\n");
    buf.append("    void method();\n");
    buf.append("}\n");
    buf.append("public class E {\n");
    buf.append("    void bar(I i) {\n");
    buf.append("    }\n");
    buf.append("    void foo() {\n");
    buf.append("        bar(() -> {\n");
    buf.append("            System.out.println();\n");
    buf.append("            System.out.println();\n");
    buf.append("        });\n");
    buf.append("    }\n");
    buf.append("}\n");
    ICompilationUnit cu = pack1.createCompilationUnit("E.java", buf.toString(), false, null);
    int offset = buf.toString().indexOf("->");
    AssistContext context = getCorrectionContext(cu, offset, 0);
    assertNoErrors(context);
    List proposals = collectAssists(context, false);
    assertNumberOfProposals(proposals, 4);
    assertCorrectLabels(proposals);
    buf = new StringBuffer();
    buf.append("package test1;\n");
    buf.append("interface I {\n");
    buf.append("    void method();\n");
    buf.append("}\n");
    buf.append("public class E {\n");
    buf.append("    void bar(I i) {\n");
    buf.append("    }\n");
    buf.append("    void foo() {\n");
    buf.append("        bar(new I() {\n");
    buf.append("            @Override\n");
    buf.append("            public void method() {\n");
    buf.append("                System.out.println();\n");
    buf.append("                System.out.println();\n");
    buf.append("            }\n");
    buf.append("        });\n");
    buf.append("    }\n");
    buf.append("}\n");
    String expected1 = buf.toString();
    assertExpectedExistInProposals(proposals, new String[] { expected1 });
}