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

Example 1 with MethodRef

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

the class JavadocContentAccess2 method handleLink.

private void handleLink(List<? extends ASTNode> fragments) {
    //TODO: Javadoc shortens type names to minimal length according to context
    int fs = fragments.size();
    if (fs > 0) {
        Object first = fragments.get(0);
        String refTypeName = null;
        String refMemberName = null;
        String[] refMethodParamTypes = null;
        String[] refMethodParamNames = null;
        if (first instanceof Name) {
            Name name = (Name) first;
            refTypeName = name.getFullyQualifiedName();
        } else if (first instanceof MemberRef) {
            MemberRef memberRef = (MemberRef) first;
            Name qualifier = memberRef.getQualifier();
            //$NON-NLS-1$
            refTypeName = qualifier == null ? "" : qualifier.getFullyQualifiedName();
            refMemberName = memberRef.getName().getIdentifier();
        } else if (first instanceof MethodRef) {
            MethodRef methodRef = (MethodRef) first;
            Name qualifier = methodRef.getQualifier();
            //$NON-NLS-1$
            refTypeName = qualifier == null ? "" : qualifier.getFullyQualifiedName();
            refMemberName = methodRef.getName().getIdentifier();
            List<MethodRefParameter> params = methodRef.parameters();
            int ps = params.size();
            refMethodParamTypes = new String[ps];
            refMethodParamNames = new String[ps];
            for (int i = 0; i < ps; i++) {
                MethodRefParameter param = params.get(i);
                refMethodParamTypes[i] = ASTNodes.asString(param.getType());
                SimpleName paramName = param.getName();
                if (paramName != null)
                    refMethodParamNames[i] = paramName.getIdentifier();
            }
        }
        if (refTypeName != null) {
            //$NON-NLS-1$
            fBuf.append("<a href='");
            try {
                String scheme = urlPrefix;
                String uri = JavaElementLinks.createURI(scheme, fElement, refTypeName, refMemberName, refMethodParamTypes);
                fBuf.append(uri);
            } catch (URISyntaxException e) {
                LOG.error(e.getMessage(), e);
            }
            //$NON-NLS-1$
            fBuf.append("'>");
            if (fs > 1 && !(fs == 2 && isWhitespaceTextElement(fragments.get(1)))) {
                handleContentElements(fragments.subList(1, fs), true);
            } else {
                fBuf.append(refTypeName);
                if (refMemberName != null) {
                    if (refTypeName.length() > 0) {
                        fBuf.append('.');
                    }
                    fBuf.append(refMemberName);
                    if (refMethodParamTypes != null) {
                        fBuf.append('(');
                        for (int i = 0; i < refMethodParamTypes.length; i++) {
                            String pType = refMethodParamTypes[i];
                            fBuf.append(pType);
                            String pName = refMethodParamNames[i];
                            if (pName != null) {
                                fBuf.append(' ').append(pName);
                            }
                            if (i < refMethodParamTypes.length - 1) {
                                //$NON-NLS-1$
                                fBuf.append(", ");
                            }
                        }
                        fBuf.append(')');
                    }
                }
            }
            //$NON-NLS-1$
            fBuf.append("</a>");
        } else {
            handleContentElements(fragments);
        }
    }
}

Example 2 with MethodRef

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

the class IntroduceFactoryRefactoring method getCtorCallAt.

/**
	 * Look "in the vicinity" of the given range to find the <code>ClassInstanceCreation</code>
	 * node that this search hit identified. Necessary because the <code>SearchEngine</code>
	 * doesn't always cough up text extents that <code>NodeFinder.perform()</code> agrees with.
	 * @param start
	 * @param length
	 * @param unitAST
	 * @return return a {@link ClassInstanceCreation} or a {@link MethodRef} or <code>null</code> if this is really a constructor->constructor call (e.g. "this(...)")
	 * @throws CoreException
	 */
private ASTNode getCtorCallAt(int start, int length, CompilationUnit unitAST) throws CoreException {
    ICompilationUnit unitHandle = ASTCreator.getCu(unitAST);
    ASTNode node = NodeFinder.perform(unitAST, start, length);
    if (node == null)
        throw new CoreException(JavaUIStatus.createError(IStatus.ERROR, Messages.format(RefactoringCoreMessages.IntroduceFactory_noASTNodeForConstructorSearchHit, new Object[] { Integer.toString(start), Integer.toString(start + length), BasicElementLabels.getJavaCodeString(unitHandle.getSource().substring(start, start + length)), BasicElementLabels.getFileName(unitHandle) }), null));
    if (node instanceof ClassInstanceCreation) {
        if (((ClassInstanceCreation) node).getAnonymousClassDeclaration() != null) {
            // Cannot replace anonymous inner class, see https://bugs.eclipse.org/bugs/show_bug.cgi?id=250660
            fConstructorVisibility = Modifier.PROTECTED;
            return null;
        }
        return node;
    } else if (node instanceof VariableDeclaration) {
        Expression init = ((VariableDeclaration) node).getInitializer();
        if (init instanceof ClassInstanceCreation) {
            return init;
        } else if (init != null)
            throw new CoreException(JavaUIStatus.createError(IStatus.ERROR, Messages.format(RefactoringCoreMessages.IntroduceFactory_unexpectedInitializerNodeType, new Object[] { BasicElementLabels.getJavaCodeString(init.toString()), BasicElementLabels.getFileName(unitHandle) }), null));
        else
            throw new CoreException(JavaUIStatus.createError(IStatus.ERROR, Messages.format(RefactoringCoreMessages.IntroduceFactory_noConstructorCallNodeInsideFoundVarbleDecl, BasicElementLabels.getJavaCodeString(node.toString())), null));
    } else if (node instanceof ConstructorInvocation) {
        // to another flavor on the same class.
        return null;
    } else if (node instanceof SuperConstructorInvocation) {
        // This is a call we can bypass; it's from one constructor flavor
        // to another flavor on the same class.
        fConstructorVisibility = Modifier.PROTECTED;
        return null;
    } else if (node instanceof ExpressionStatement) {
        Expression expr = ((ExpressionStatement) node).getExpression();
        if (expr instanceof ClassInstanceCreation)
            return expr;
        else
            throw new CoreException(JavaUIStatus.createError(IStatus.ERROR, Messages.format(RefactoringCoreMessages.IntroduceFactory_unexpectedASTNodeTypeForConstructorSearchHit, new Object[] { BasicElementLabels.getJavaCodeString(expr.toString()), BasicElementLabels.getFileName(unitHandle) }), null));
    } else if (node instanceof SimpleName && (node.getParent() instanceof MethodDeclaration || node.getParent() instanceof AbstractTypeDeclaration)) {
        // We seem to have been given a hit for an implicit call to the base-class constructor.
        // Do nothing with this (implicit) call, but have to make sure we make the derived class
        // doesn't lose access to the base-class constructor (so make it 'protected', not 'private').
        fConstructorVisibility = Modifier.PROTECTED;
        return null;
    } else if (node instanceof MethodRef) {
        return node;
    } else
        throw new CoreException(JavaUIStatus.createError(IStatus.ERROR, Messages.format(RefactoringCoreMessages.IntroduceFactory_unexpectedASTNodeTypeForConstructorSearchHit, new Object[] { BasicElementLabels.getJavaElementName(node.getClass().getName() + "('" + node.toString() + "')"), BasicElementLabels.getFileName(unitHandle) }), //$NON-NLS-1$ //$NON-NLS-2$
        null));
}

Example 3 with MethodRef

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

the class IntroduceFactoryRefactoring method replaceConstructorCalls.

/**
	 * Use the given <code>ASTRewrite</code> to replace direct calls to the constructor
	 * with calls to the newly-created factory method.
	 * @param rg the <code>SearchResultGroup</code> indicating all of the constructor references
	 * @param unit the <code>CompilationUnit</code> to be rewritten
	 * @param unitRewriter the rewriter
	 * @param unitChange the compilation unit change
	 * @throws CoreException
	 * @return true iff at least one constructor call site was rewritten.
	 */
private boolean replaceConstructorCalls(SearchResultGroup rg, CompilationUnit unit, ASTRewrite unitRewriter, CompilationUnitChange unitChange) throws CoreException {
    Assert.isTrue(ASTCreator.getCu(unit).equals(rg.getCompilationUnit()));
    SearchMatch[] hits = rg.getSearchResults();
    Arrays.sort(hits, new Comparator<SearchMatch>() {

        /**
			 * Sort by descending offset, such that nested constructor calls are processed first.
			 * This is necessary, since they can only be moved into the factory method invocation
			 * after they have been rewritten.
			 */
        public int compare(SearchMatch m1, SearchMatch m2) {
            return m2.getOffset() - m1.getOffset();
        }
    });
    boolean someCallPatched = false;
    for (int i = 0; i < hits.length; i++) {
        ASTNode ctrCall = getCtorCallAt(hits[i].getOffset(), hits[i].getLength(), unit);
        if (ctrCall instanceof ClassInstanceCreation) {
            TextEditGroup gd = new TextEditGroup(RefactoringCoreMessages.IntroduceFactory_replaceCalls);
            rewriteFactoryMethodCall((ClassInstanceCreation) ctrCall, unitRewriter, gd);
            unitChange.addTextEditGroup(gd);
            someCallPatched = true;
        } else if (ctrCall instanceof MethodRef) {
            TextEditGroup gd = new TextEditGroup(RefactoringCoreMessages.IntroduceFactoryRefactoring_replaceJavadocReference);
            rewriteJavadocReference((MethodRef) ctrCall, unitRewriter, gd);
            unitChange.addTextEditGroup(gd);
            someCallPatched = true;
        }
    }
    return someCallPatched;
}