Example usage for org.eclipse.jdt.core IJavaElement exists

Introduction

In this page you can find the example usage for org.eclipse.jdt.core IJavaElement exists.

Prototype

boolean exists();

Source Link

Document

Returns whether this Java element exists in the model.

Usage

From source file:com.technophobia.substeps.junit.launcher.SubstepsLaunchConfigurationDelegate.java

License:Open Source License

private final IJavaElement getTestTarget(final ILaunchConfiguration configuration,
        final IJavaProject javaProject) throws CoreException {
    final String containerHandle = configuration
            .getAttribute(SubstepsLaunchConfigurationConstants.ATTR_TEST_CONTAINER, ""); //$NON-NLS-1$
    if (containerHandle.length() != 0) {
        final IJavaElement element = JavaCore.create(containerHandle);
        if (element == null || !element.exists()) {
            abort(SubstepsFeatureMessages.SubstepsLaunchConfigurationDelegate_error_input_element_deosn_not_exist,
                    null, IJavaLaunchConfigurationConstants.ERR_UNSPECIFIED_MAIN_TYPE);
        }/*  w w  w .j a va  2s  .  c  om*/
        return element;
    }
    final IJavaElement element = getMainElementFromProject(configuration, javaProject);
    if (element != null) {
        return element;
    }

    abort(SubstepsFeatureMessages.SubstepsLaunchConfigurationDelegate_input_type_does_not_exist, null,
            IJavaLaunchConfigurationConstants.ERR_UNSPECIFIED_MAIN_TYPE);
    return null; // not reachable
}

---

From source file:com.tsc9526.monalisa.plugin.eclipse.console.HyperLink.java

License:Open Source License

@Override
public void linkActivated() {
    if (url != null) {
        try {//  w w w .j ava 2 s. c om
            String protocol = url.getProtocol();
            if (protocol.equals("file")) {
                String ref = url.getRef();

                IFile[] files = ResourcesPlugin.getWorkspace().getRoot().findFilesForLocationURI(url.toURI());
                if (files.length > 0) {
                    for (int i = 0; i < files.length; i++) {
                        IFile curr = files[0];
                        IJavaElement element = JavaCore.create(curr);
                        if (element != null && element.exists()) {
                            if (ref != null && ref.length() > 0 && element instanceof ICompilationUnit) {
                                String[] sv = ref.split(",");
                                String name = sv[0];

                                String[] signatures = null;
                                if (sv.length > 1) {
                                    signatures = new String[sv.length - 1];
                                    for (int x = 1; x < sv.length; x++) {
                                        signatures[x - 1] = Signature.createTypeSignature(sv[x], false);
                                    }
                                }

                                IType type = ((ICompilationUnit) element).getTypes()[0];
                                IMethod method = type.getMethod(name, signatures);
                                if (method != null && method.exists()) {
                                    JavaUI.openInEditor(method, true, true);
                                    return;
                                }
                            }

                            JavaUI.openInEditor(element, true, true);
                            return;
                        }
                    }
                }
            }

            PlatformUI.getWorkbench().getBrowserSupport().createBrowser(text).openURL(url);
        } catch (Exception e) {
            e.printStackTrace();
        }
    }
}

---

From source file:de.devboost.eclipse.jdtutilities.JDTUtility.java

License:Open Source License

/**
 * Returns the compilation unit contained in the given file or
 * <code>null</code> if the file does not contain a compilation unit or if
 * the file does not exist or if the JDT is not running.
 *//* www . j  a v  a2 s.  c  o  m*/
public ICompilationUnit getCompilationUnit(IFile file) {
    // determine compilation unit that is contained in the file
    IJavaElement javaElement = JavaCore.create(file);
    if (javaElement == null) {
        return null;
    }

    if (!javaElement.exists()) {
        return null;
    }

    if (javaElement instanceof ICompilationUnit) {
        return (ICompilationUnit) javaElement;
    }
    return null;
}

---

From source file:de.devboost.eclipse.jdtutilities.JDTUtility.java

License:Open Source License

/**
 * Returns the type that is contained in the given file. The file must be a
 * Java class file. If the file does not exists or if it is not a class
 * file, <code>null</code> is returned.
 *//*from  w  ww .  j  a v a 2s  .co m*/
public IType getType(IFile file) {
    IJavaElement javaElement = JavaCore.create(file);
    if (!javaElement.exists()) {
        return null;
    }

    if (javaElement instanceof IClassFile) {
        IClassFile classFile = (IClassFile) javaElement;
        return classFile.getType();
    }

    return null;
}

---

From source file:edu.buffalo.cse.green.editor.DiagramEditor.java

License:Open Source License

/**
 * Finds all relationships that have the given element as their source.
 * //ww  w . java2 s .co m
 * @param element - The element to find relationships for.
 */
private void findRelationships(IJavaElement element) {
    long modified;

    // if the element contains errors, quit
    try {
        if (!element.exists() || !element.isStructureKnown())
            return;
    } catch (JavaModelException e) {
        e.printStackTrace();
        return;
    }

    CompilationUnit cu;
    String id = element.getHandleIdentifier();

    // generate AST if necessary - check modification stamp
    Long modifiedStore = _cuMap.getModificationStamp(id);
    IResource resource = element.getResource();

    if (resource == null) {
        if (_cuMap.getCompilationUnit(id) != null) {
            modifiedStore = new Long(0);
        }

        modified = 0;
    } else {
        modified = resource.getModificationStamp();
    }

    // if there isn't an up-to-date AST, create one
    if ((modifiedStore == null) || (modified != modifiedStore)) {
        ASTParser parser = ASTParser.newParser(AST.JLS3);
        parser.setResolveBindings(true);

        if (element instanceof ICompilationUnit) {
            parser.setSource((ICompilationUnit) element);
        } else if (element instanceof IClassFile) {
            // only search through the class if it has source code attached
            IClassFile classFile = (IClassFile) element;

            try {
                if (classFile.getSource() == null) {
                    return;
                }
            } catch (JavaModelException e) {
                e.printStackTrace();
            }

            parser.setSource(classFile);
        } else {
            GreenException.illegalOperation("Illegal element type: " + element.getClass());
        }

        cu = (CompilationUnit) parser.createAST(null);
        _cuMap.put(element, cu);
    } else {
        cu = _cuMap.getCompilationUnit(id);
    }

    // run the recognizers
    for (Class klass : PlugIn.getRelationships()) {
        RelationshipRecognizer recognizer = PlugIn.getRelationshipGroup(klass).getRecognizer();

        // run the recognizer
        recognizer.run(cu, getRootModel().getRelationshipCache());
    }
}

---

From source file:edu.illinois.compositerefactorings.refactorings.copymembertosubtype.CopyMemberToSubtypeRefactoringProcessor.java

License:Open Source License

/**
 * {@link org.eclipse.jdt.internal.corext.refactoring.structure.PushDownRefactoringProcessor#initialize(JavaRefactoringArguments)}
 *///from  w ww.ja  v a 2 s  .c o m
private RefactoringStatus initialize(JavaRefactoringArguments extended) {
    String handle = extended.getAttribute(JavaRefactoringDescriptorUtil.ATTRIBUTE_INPUT);
    if (handle != null) {
        final IJavaElement element = JavaRefactoringDescriptorUtil.handleToElement(extended.getProject(),
                handle, false);
        if (element == null || !element.exists() || element.getElementType() != IJavaElement.TYPE) {
            return JavaRefactoringDescriptorUtil.createInputFatalStatus(element, getProcessorName(),
                    IJavaRefactorings.PUSH_DOWN);
        } else {
            fCachedDeclaringType = (IType) element;
        }
    }
    final List<IJavaElement> elements = new ArrayList<IJavaElement>();
    final List<MemberActionInfo> infos = new ArrayList<MemberActionInfo>();
    String attribute = JavaRefactoringDescriptorUtil.ATTRIBUTE_ELEMENT + 1;
    final RefactoringStatus status = new RefactoringStatus();
    handle = extended.getAttribute(attribute);
    final IJavaElement element = JavaRefactoringDescriptorUtil.handleToElement(extended.getProject(), handle,
            false);
    if (element == null || !element.exists()) {
        status.merge(JavaRefactoringDescriptorUtil.createInputWarningStatus(element, getProcessorName(),
                IJavaRefactorings.PUSH_DOWN));
    } else {
        elements.add(element);
    }
    infos.add(MemberActionInfo.create((IMember) element, MemberActionInfo.PUSH_DOWN_ACTION));
    fMembersToMove = elements.toArray(new IMember[elements.size()]);
    fMemberInfos = infos.toArray(new MemberActionInfo[infos.size()]);
    String subtypeHandle = extended.getAttribute(CopyMemberToSubtypeDescriptor.ATTRIBUTE_SUBTYPE + 1);
    final IJavaElement subtype = JavaRefactoringDescriptorUtil.handleToElement(extended.getProject(),
            subtypeHandle, false);
    if (subtype == null || !subtype.exists()) {
        status.merge(JavaRefactoringDescriptorUtil.createInputWarningStatus(subtype, getProcessorName(),
                IJavaRefactorings.PUSH_DOWN));
    } else {
        fSubtype = (IType) subtype;
    }
    if (!status.isOK()) {
        return status;
    }
    return new RefactoringStatus();
}

---

From source file:edu.illinois.compositerefactorings.refactorings.usesupertypeininstanceof.UseSuperTypeInInstanceOfRefactoring.java

License:Open Source License

private final RefactoringStatus initialize(JavaRefactoringArguments extended) {
    String handle = extended.getAttribute(JavaRefactoringDescriptorUtil.ATTRIBUTE_INPUT);
    if (handle != null) {
        final IJavaElement element = JavaRefactoringDescriptorUtil.handleToElement(extended.getProject(),
                handle, false);//w  w  w .  jav a 2 s  . c o  m
        if (element == null || !element.exists() || element.getElementType() != IJavaElement.TYPE)
            return JavaRefactoringDescriptorUtil.createInputFatalStatus(element, getName(),
                    UseSuperTypeInInstanceOfDescriptor.ID);
        else
            fSubType = (IType) element;
    } else
        return RefactoringStatus.createFatalErrorStatus(
                Messages.format(RefactoringCoreMessages.InitializableRefactoring_argument_not_exist,
                        JavaRefactoringDescriptorUtil.ATTRIBUTE_INPUT));
    handle = extended.getAttribute(JavaRefactoringDescriptorUtil.ATTRIBUTE_ELEMENT + 1);
    if (handle != null) {
        final IJavaElement element = JavaRefactoringDescriptorUtil.handleToElement(extended.getProject(),
                handle, false);
        if (element == null || !element.exists() || element.getElementType() != IJavaElement.TYPE)
            return JavaRefactoringDescriptorUtil.createInputFatalStatus(element, getName(),
                    UseSuperTypeInInstanceOfDescriptor.ID);
        else
            fSuperType = (IType) element;
    } else
        return RefactoringStatus.createFatalErrorStatus(
                Messages.format(RefactoringCoreMessages.InitializableRefactoring_argument_not_exist,
                        JavaRefactoringDescriptorUtil.ATTRIBUTE_ELEMENT + 1));
    return new RefactoringStatus();
}

---

From source file:es.bsc.servicess.ide.actions.BuildServiceAction.java

License:Apache License

/** Get a Java Element from a selection
 * @param selection Selected item//from www .j  a v  a2  s  .  c o  m
 * @return Java Element
 */
private IJavaElement getInitialJavaElement(IStructuredSelection selection) {
    IJavaElement jelem = null;
    if (selection != null && !selection.isEmpty()) {
        Object selectedElement = selection.getFirstElement();
        if (selectedElement instanceof IAdaptable) {
            IAdaptable adaptable = (IAdaptable) selectedElement;

            jelem = (IJavaElement) adaptable.getAdapter(IJavaElement.class);
            if (jelem == null || !jelem.exists()) {
                jelem = null;
                IResource resource = (IResource) adaptable.getAdapter(IResource.class);
                if (resource != null && resource.getType() != IResource.ROOT) {
                    while (jelem == null && resource.getType() != IResource.PROJECT) {
                        resource = resource.getParent();
                        jelem = (IJavaElement) resource.getAdapter(IJavaElement.class);
                    }
                    if (jelem == null) {
                        jelem = JavaCore.create(resource); // java project
                    }
                }
            }
        }
    }
    if (jelem == null) {
        IWorkbenchPart part = JavaPlugin.getActivePage().getActivePart();
        if (part instanceof ContentOutline) {
            part = JavaPlugin.getActivePage().getActiveEditor();
        }

        if (part instanceof IViewPartInputProvider) {
            Object elem = ((IViewPartInputProvider) part).getViewPartInput();
            if (elem instanceof IJavaElement) {
                jelem = (IJavaElement) elem;
            }
        }
    }
    return jelem;
}

---

From source file:es.bsc.servicess.ide.actions.DeployAction.java

License:Apache License

private IJavaElement getInitialJavaElement(IStructuredSelection selection) {
    IJavaElement jelem = null;
    if (selection != null && !selection.isEmpty()) {
        Object selectedElement = selection.getFirstElement();
        if (selectedElement instanceof IAdaptable) {
            IAdaptable adaptable = (IAdaptable) selectedElement;

            jelem = (IJavaElement) adaptable.getAdapter(IJavaElement.class);
            if (jelem == null || !jelem.exists()) {
                jelem = null;/*from  w w w  .j a va  2 s . c  o  m*/
                IResource resource = (IResource) adaptable.getAdapter(IResource.class);
                if (resource != null && resource.getType() != IResource.ROOT) {
                    while (jelem == null && resource.getType() != IResource.PROJECT) {
                        resource = resource.getParent();
                        jelem = (IJavaElement) resource.getAdapter(IJavaElement.class);
                    }
                    if (jelem == null) {
                        jelem = JavaCore.create(resource); // java project
                    }
                }
            }
        }
    }
    if (jelem == null) {
        IWorkbenchPart part = JavaPlugin.getActivePage().getActivePart();
        if (part instanceof ContentOutline) {
            part = JavaPlugin.getActivePage().getActiveEditor();
        }

        if (part instanceof IViewPartInputProvider) {
            Object elem = ((IViewPartInputProvider) part).getViewPartInput();
            if (elem instanceof IJavaElement) {
                jelem = (IJavaElement) elem;
            }
        }
    }
    return jelem;
}

---

From source file:navclus.userinterface.monitor.selections.SelectionKeeper.java

License:Open Source License

public void addSelection(IJavaElement element) {
    try {//from w w  w  . ja  va  2 s .co m
        if (element == null) {
            return;
        }
        if (!element.exists()) {
            return;
        }
        if (!checkElementType(element)) {
            return;
        }
        if (selectionList.contain(element)) {
            return;
        }

        boolean bAdded = selectionList.add(element);
        if (bAdded == false)
            return;
        System.out.println("added: " + element.getElementName());
        printSelectionIfTrigger();
        //         printSelectionIfFull();
    } catch (Exception e) {
        System.err.println("Error in SelectionKeeper.addSelection():" + e.getMessage());
        e.printStackTrace();
    }
}

---

• «
• 1
• 2
• 3
• 4
• 5
• 6
• 7
• 8
• 9
• 10
• 11
• 12
• 13
• 14
• »