Examples with CoreException org.eclipse.core.runtime.CoreException used on opensource projects

Example 11 with CoreException

use of org.eclipse.core.runtime.CoreException in project che by eclipse.

the class JavaModelOperation method deleteEmptyPackageFragment.

/**
	 * Convenience method to delete an empty package fragment
	 */
protected void deleteEmptyPackageFragment(IPackageFragment fragment, boolean forceFlag, IResource rootResource) throws JavaModelException {
    IContainer resource = (IContainer) ((JavaElement) fragment).resource();
    try {
        resource.delete(forceFlag ? IResource.FORCE | IResource.KEEP_HISTORY : IResource.KEEP_HISTORY, getSubProgressMonitor(1));
        setAttribute(HAS_MODIFIED_RESOURCE_ATTR, TRUE);
        while (resource instanceof IFolder) {
            // deleting a package: delete the parent if it is empty (e.g. deleting x.y where folder x doesn't have resources but y)
            // without deleting the package fragment root
            resource = resource.getParent();
            if (!resource.equals(rootResource) && resource.members().length == 0) {
                resource.delete(forceFlag ? IResource.FORCE | IResource.KEEP_HISTORY : IResource.KEEP_HISTORY, getSubProgressMonitor(1));
                setAttribute(HAS_MODIFIED_RESOURCE_ATTR, TRUE);
            }
        }
    } catch (CoreException e) {
        throw new JavaModelException(e);
    }
}

Example 12 with CoreException

use of org.eclipse.core.runtime.CoreException in project che by eclipse.

the class JavaProject method writeFileEntries.

/**
     * Writes the classpath in a sharable format (VCM-wise) only when necessary, that is, if  it is semantically different
     * from the existing one in file. Will never write an identical one.
     *
     * @param newClasspath IClasspathEntry[]
     * @param newOutputLocation IPath
     * @return boolean Return whether the .classpath file was modified.
     * @throws JavaModelException
     */
public boolean writeFileEntries(IClasspathEntry[] newClasspath, IClasspathEntry[] referencedEntries, IPath newOutputLocation) throws JavaModelException {
    if (!this.project.isAccessible())
        return false;
    Map unknownElements = new HashMap();
    IClasspathEntry[][] fileEntries = readFileEntries(unknownElements);
    if (fileEntries[0] != JavaProject.INVALID_CLASSPATH && areClasspathsEqual(newClasspath, newOutputLocation, fileEntries[0]) && (referencedEntries == null || areClasspathsEqual(referencedEntries, fileEntries[1]))) {
        // no need to save it, it is the same
        return false;
    }
    // actual file saving
    try {
        setSharedProperty(JavaProject.CLASSPATH_FILENAME, encodeClasspath(newClasspath, referencedEntries, newOutputLocation, true, unknownElements));
        return true;
    } catch (CoreException e) {
        throw new JavaModelException(e);
    }
}

Example 13 with CoreException

use of org.eclipse.core.runtime.CoreException 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 14 with CoreException

use of org.eclipse.core.runtime.CoreException in project che by eclipse.

the class ExtractMethodAnalyzer method visit.

@Override
public boolean visit(LambdaExpression node) {
    Selection selection = getSelection();
    int selectionStart = selection.getOffset();
    int selectionExclusiveEnd = selection.getExclusiveEnd();
    int lambdaStart = node.getStartPosition();
    int lambdaExclusiveEnd = lambdaStart + node.getLength();
    ASTNode body = node.getBody();
    int bodyStart = body.getStartPosition();
    int bodyExclusiveEnd = bodyStart + body.getLength();
    boolean isValidSelection = false;
    if ((body instanceof Block) && (bodyStart < selectionStart && selectionExclusiveEnd <= bodyExclusiveEnd)) {
        // if selection is inside lambda body's block
        isValidSelection = true;
    } else if (body instanceof Expression) {
        try {
            TokenScanner scanner = new TokenScanner(fCUnit);
            int arrowExclusiveEnd = scanner.getTokenEndOffset(ITerminalSymbols.TokenNameARROW, lambdaStart);
            if (selectionStart >= arrowExclusiveEnd) {
                isValidSelection = true;
            }
        } catch (CoreException e) {
        // ignore
        }
    }
    if (selectionStart <= lambdaStart && selectionExclusiveEnd >= lambdaExclusiveEnd) {
        // if selection covers the lambda node
        isValidSelection = true;
    }
    if (!isValidSelection) {
        return false;
    }
    return super.visit(node);
}

Example 15 with CoreException

use of org.eclipse.core.runtime.CoreException in project che by eclipse.

the class DocumentAdapter method initialize.

private void initialize() {
    //			}
    if (fDocument == null) {
        if (fFile != null) {
            try (InputStream inputStream = fFile.getContents()) {
                fDocument = new Document(IoUtil.readStream(inputStream));
            } catch (IOException | CoreException e) {
                JavaPlugin.log(e);
                fDocument = new Document("");
            }
        } else {
            fDocument = new Document("");
        }
    }
    //			fDocument = fTextFileBuffer.getDocument();
    //		} catch (CoreException x) {
    //			fDocument = manager.createEmptyDocument(fPath, fLocationKind);
    //			if (fDocument instanceof ISynchronizable)
    //				((ISynchronizable)fDocument).setLockObject(new Object());
    //		}
    fDocument.addDocumentListener(this);
    fIsClosed = false;
}