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

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

Prototype

int FIELD

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Document

Constant representing a field.

Usage

From source file:org.eclipse.jst.jsp.ui.internal.hyperlink.JSPJavaHyperlinkDetector.java

License:Open Source License

private IHyperlink createHyperlink(IJavaElement element, IRegion region, IDocument document) {
    IHyperlink link = null;/*from w  ww.ja v  a  2  s. c o m*/
    if (region != null) {
        // open local variable in the JSP file...
        boolean isInTranslationCU = false;
        if (element instanceof ISourceReference) {
            IFile file = null;
            int jspOffset = 0;

            // try to locate the file in the workspace
            ITextFileBuffer textFileBuffer = FileBuffers.getTextFileBufferManager().getTextFileBuffer(document);
            if (textFileBuffer != null && textFileBuffer.getLocation() != null) {
                file = getFile(textFileBuffer.getLocation().toString());
            }

            // get Java range and translate to JSP range
            try {
                ISourceRange range = null;
                IJSPTranslation jspTranslation = getJSPTranslation(document);
                if (jspTranslation != null) {
                    // link to local variable definitions
                    if (element instanceof ILocalVariable) {
                        range = ((ILocalVariable) element).getNameRange();
                        Object cu = ((ILocalVariable) element).getAncestor(IJavaElement.COMPILATION_UNIT);
                        if (cu != null && cu.equals(jspTranslation.getCompilationUnit()))
                            isInTranslationCU = true;
                    }
                    // linking to fields of the same compilation unit
                    else if (element.getElementType() == IJavaElement.FIELD) {
                        Object cu = ((IField) element).getCompilationUnit();
                        if (cu != null && cu.equals(jspTranslation.getCompilationUnit())) {
                            range = ((ISourceReference) element).getSourceRange();
                            isInTranslationCU = true;
                        }
                    }
                    // linking to methods of the same compilation unit
                    else if (element.getElementType() == IJavaElement.METHOD) {
                        Object cu = ((IMethod) element).getCompilationUnit();
                        if (cu != null && cu.equals(jspTranslation.getCompilationUnit())) {
                            range = ((ISourceReference) element).getSourceRange();
                            isInTranslationCU = true;
                        }
                    }
                }

                if (jspTranslation != null && range != null && file != null) {
                    jspOffset = jspTranslation.getJspOffset(range.getOffset());
                    if (jspOffset >= 0) {
                        link = new WorkspaceFileHyperlink(region, file,
                                new Region(jspOffset, range.getLength()));
                    }
                }
            } catch (JavaModelException jme) {
                Logger.log(Logger.WARNING_DEBUG, jme.getMessage(), jme);
            }
        }
        if (link == null && !isInTranslationCU) { // Don't try to open the translation CU
            link = new JSPJavaHyperlink(region, element);
        }
    }
    return link;
}

---

From source file:org.eclipse.jst.jsp.ui.internal.java.refactoring.RenameElementHandler.java

License:Open Source License

public Object execute(ExecutionEvent event) throws ExecutionException {
    fEditor = HandlerUtil.getActiveEditor(event);

    IJavaElement element = getSelectedElement();
    if (element != null) {
        RenameSupport renameSupport = null;
        try {// w w w  . jav  a 2  s.c o m
            switch (element.getElementType()) {
            case IJavaElement.TYPE:
                renameSupport = RenameSupport.create((IType) element, element.getElementName(),
                        RenameSupport.UPDATE_REFERENCES);
                break;
            case IJavaElement.METHOD:
                renameSupport = RenameSupport.create((IMethod) element, element.getElementName(),
                        RenameSupport.UPDATE_REFERENCES);
                break;
            case IJavaElement.PACKAGE_FRAGMENT:
                renameSupport = RenameSupport.create((IPackageFragment) element, element.getElementName(),
                        RenameSupport.UPDATE_REFERENCES);
                break;
            case IJavaElement.FIELD:
                renameSupport = RenameSupport.create((IField) element, element.getElementName(),
                        RenameSupport.UPDATE_REFERENCES);
                break;
            }
            if (renameSupport != null) {
                renameSupport.openDialog(PlatformUI.getWorkbench().getActiveWorkbenchWindow().getShell());
                PlatformStatusLineUtil.clearStatusLine();
            }
        } catch (CoreException e) {
            Logger.logException(e);
        }
    } else {
        PlatformStatusLineUtil.displayErrorMessage(JSPUIMessages.JSPRenameElementAction_0); //$NON-NLS-1$
        PlatformStatusLineUtil.addOneTimeClearListener();
    }

    return null;
}

---

From source file:org.eclipse.jst.jsp.ui.tests.contentassist.JSPTranslationTest.java

License:Open Source License

private void verifyTranslationHasNoSessionVariables(IFile file) throws JavaModelException {
    IDOMModel model = null;/*from   w  w  w  .  j a  v a2  s  .  co m*/
    try {
        model = (IDOMModel) getStructuredModelForRead(file);
        setupAdapterFactory(model);

        JSPTranslationAdapter adapter = (JSPTranslationAdapter) model.getDocument()
                .getAdapterFor(IJSPTranslation.class);
        ICompilationUnit cu = adapter.getJSPTranslation().getCompilationUnit();
        cu.makeConsistent(new NullProgressMonitor());
        IType[] types = cu.getAllTypes();
        for (int i = 0; i < types.length; i++) {
            IJavaElement[] members = types[i].getChildren();
            for (int k = 0; k < members.length; k++) {
                // check fields for name "session"
                if (members[k].getElementType() == IJavaElement.FIELD) {
                    assertFalse("field named \"session\" exists",
                            members[k].getElementName().equals(JSP11Namespace.ATTR_NAME_SESSION));
                }
                /*
                 * check "public void
                 * _jspService(javax.servlet.http.HttpServletRequest
                 * request, javax.servlet.http.HttpServletResponse
                 * response)" for local variables named "session"
                 */
                else if (members[k].getElementType() == IJavaElement.METHOD
                        && members[k].getElementName().startsWith("_jspService")) {
                    ICompilationUnit compilationUnit = ((IMethod) members[k]).getCompilationUnit();
                    compilationUnit.makeConsistent(new NullProgressMonitor());
                    ASTParser parser = ASTParser.newParser(AST.JLS3);
                    parser.setSource(cu);
                    ASTNode node = parser.createAST(null);
                    node.accept(new ASTVisitor() {
                        public boolean visit(VariableDeclarationStatement node) {
                            Iterator fragments = node.fragments().iterator();
                            while (fragments.hasNext()) {
                                VariableDeclarationFragment fragment = (VariableDeclarationFragment) fragments
                                        .next();
                                if (fragment.getName().getFullyQualifiedName()
                                        .equals(JSP11Namespace.ATTR_NAME_SESSION)) {
                                    String typeName = ((SimpleType) node.getType()).getName()
                                            .getFullyQualifiedName();
                                    assertFalse(
                                            "local variable of type \"javax.servlet.http.HttpSession\" and named \"session\" exists",
                                            typeName.equals("javax.servlet.http.HttpSession"));
                                }
                            }
                            return super.visit(node);
                        }
                    });
                }
            }
        }
    } finally {
        if (model != null)
            model.releaseFromRead();
    }
}

---

From source file:org.eclipse.linuxtools.changelog.parsers.java.JavaParser.java

License:Open Source License

/**
 * @see IParserChangeLogContrib#parseCurrentFunction(IEditorPart)
 *//*from   ww w.  j a  va 2 s.  com*/
public String parseCurrentFunction(IEditorInput input, int offset) throws CoreException {

    String currentElementName;
    int elementType;

    // Get the working copy and connect to input.
    IWorkingCopyManager manager = JavaUI.getWorkingCopyManager();
    manager.connect(input);

    // Retrieve the Java Element in question.
    // The following internal access is done because the getWorkingCopy() method
    // for the WorkingCopyManager returns null for StorageEditorInput, however,
    // there is a working copy available through the ICompilationUnitDocumentProvider.
    //      ICompilationUnit workingCopy = manager.getWorkingCopy(input);
    ICompilationUnitDocumentProvider x = (ICompilationUnitDocumentProvider) JavaUI.getDocumentProvider();
    // Retrieve the Java Element in question.
    ICompilationUnit workingCopy = x.getWorkingCopy(input);

    if (workingCopy == null)
        return "";

    IJavaElement method = workingCopy.getElementAt(offset);

    manager.disconnect(input);

    // no element selected
    if (method == null)
        return "";

    // Get the current element name, to test it.
    currentElementName = method.getElementName();

    // Element doesn't have a name. Can go no further.
    if (currentElementName == null)
        return "";

    // Get the Element Type to test.
    elementType = method.getElementType();

    switch (elementType) {
    case IJavaElement.METHOD:
    case IJavaElement.FIELD:
        break;
    case IJavaElement.COMPILATION_UNIT:
        return "";
    case IJavaElement.INITIALIZER:
        return STATIC_INITIALIZER_NAME;

    // So it's not a method, field, type, or static initializer. Where are we?
    default:
        IJavaElement tmpMethodType;
        if (((tmpMethodType = method.getAncestor(IJavaElement.METHOD)) == null)
                && ((tmpMethodType = method.getAncestor(IJavaElement.TYPE)) == null)) {
            return "";
        } else {
            // In a class, but not in a method. Return class name instead.
            method = tmpMethodType;
            currentElementName = method.getElementName();
        }
    }

    // Build all ancestor classes.
    // Append all ancestor class names to string

    IJavaElement tmpParent = method.getParent();
    boolean firstLoop = true;

    while (tmpParent != null) {
        IJavaElement tmpParentClass = tmpParent.getAncestor(IJavaElement.TYPE);
        if (tmpParentClass != null) {
            String tmpParentClassName = tmpParentClass.getElementName();
            if (tmpParentClassName == null)
                return "";
            currentElementName = tmpParentClassName + "." + currentElementName;
        } else {
            // cut root class name
            int rootClassPos = currentElementName.indexOf(".");
            if (rootClassPos >= 0)
                currentElementName = currentElementName.substring(rootClassPos + 1);
            if (firstLoop)
                return "";
            else
                return currentElementName;
        }
        tmpParent = tmpParentClass.getParent();
        firstLoop = false;

    }

    return "";
}

---

From source file:org.eclipse.linuxtools.internal.changelog.parsers.java.JavaParser.java

License:Open Source License

@Override
public String parseCurrentFunction(IEditorInput input, int offset) throws CoreException {

    String currentElementName;/*from w  ww  .j  a va  2  s .c o  m*/
    int elementType;

    // Get the working copy and connect to input.
    IWorkingCopyManager manager = JavaUI.getWorkingCopyManager();
    manager.connect(input);

    // Retrieve the Java Element in question.
    // The following internal access is done because the getWorkingCopy()
    // method
    // for the WorkingCopyManager returns null for StorageEditorInput,
    // however,
    // there is a working copy available through the
    // ICompilationUnitDocumentProvider.
    ICompilationUnitDocumentProvider x = (ICompilationUnitDocumentProvider) JavaUI.getDocumentProvider();
    // Retrieve the Java Element in question.
    ICompilationUnit workingCopy = x.getWorkingCopy(input);

    if (workingCopy == null) {
        return "";
    }

    IJavaElement method = workingCopy.getElementAt(offset);

    manager.disconnect(input);

    // no element selected
    if (method == null) {
        return "";
    }

    // Get the current element name, to test it.
    currentElementName = method.getElementName();

    // Element doesn't have a name. Can go no further.
    if (currentElementName == null) {
        return "";
    }

    // Get the Element Type to test.
    elementType = method.getElementType();

    switch (elementType) {
    case IJavaElement.METHOD:
    case IJavaElement.FIELD:
        break;
    case IJavaElement.COMPILATION_UNIT:
        return "";
    case IJavaElement.INITIALIZER:
        return STATIC_INITIALIZER_NAME;

    // So it's not a method, field, type, or static initializer. Where
    // are we?
    default:
        IJavaElement tmpMethodType;
        if (((tmpMethodType = method.getAncestor(IJavaElement.METHOD)) == null)
                && ((tmpMethodType = method.getAncestor(IJavaElement.TYPE)) == null)) {
            return "";
        } else {
            // In a class, but not in a method. Return class name instead.
            method = tmpMethodType;
            currentElementName = method.getElementName();
        }
    }

    // Build all ancestor classes.
    // Append all ancestor class names to string

    IJavaElement tmpParent = method.getParent();
    boolean firstLoop = true;

    while (tmpParent != null) {
        IJavaElement tmpParentClass = tmpParent.getAncestor(IJavaElement.TYPE);
        if (tmpParentClass != null) {
            String tmpParentClassName = tmpParentClass.getElementName();
            if (tmpParentClassName == null) {
                return "";
            }
            currentElementName = tmpParentClassName + "." + currentElementName;
        } else {
            // cut root class name
            int rootClassPos = currentElementName.indexOf('.');
            if (rootClassPos >= 0) {
                currentElementName = currentElementName.substring(rootClassPos + 1);
            }
            if (firstLoop) {
                return "";
            } else {
                return currentElementName;
            }
        }
        tmpParent = tmpParentClass.getParent();
        firstLoop = false;

    }

    return "";
}

---

From source file:org.eclipse.modisco.java.discoverer.internal.io.library.ClassFileParser.java

License:Open Source License

/**
 * Complete the MoDisco modifier with the informations of the flags.
 * //  w  w w .j av a  2  s.co m
 * @param flags
 *            the flags
 * @param modiscoModifier
 *            the MoDisco Modifier
 * @see Flags
 */
private static void manageModifier(final Modifier modiscoModifier, final int flags,
        final IJavaElement element) {
    int kind = element.getElementType();
    // static is applicable on types, methods, fields, and initializers.
    if (!modiscoModifier.isStatic()) {
        if (kind == IJavaElement.TYPE || kind == IJavaElement.METHOD || kind == IJavaElement.FIELD) {
            modiscoModifier.setStatic(Flags.isStatic(flags));
        }
    }
    // native is applicable to methods
    if (!modiscoModifier.isNative()) {
        if (kind == IJavaElement.METHOD) {
            modiscoModifier.setNative(Flags.isNative(flags));
        }
    }
    // strictfp is applicable to types and methods
    if (!modiscoModifier.isStrictfp()) {
        if (kind == IJavaElement.TYPE || kind == IJavaElement.METHOD) {
            modiscoModifier.setStrictfp(Flags.isStrictfp(flags));
        }
    }
    // synchronized is applicable only to methods
    if (!modiscoModifier.isSynchronized()) {
        if (kind == IJavaElement.METHOD) {
            modiscoModifier.setSynchronized(Flags.isSynchronized(flags));
        }
    }
    // transient is applicable only to fields
    if (!modiscoModifier.isTransient()) {
        if (kind == IJavaElement.FIELD) {
            modiscoModifier.setTransient(Flags.isTransient(flags));
        }
    }
    // volatile is applicable only to fields
    if (!modiscoModifier.isVolatile()) {
        if (kind == IJavaElement.FIELD) {
            modiscoModifier.setVolatile(Flags.isVolatile(flags));
        }
    }

    // visibility modifiers are applicable to types, methods, constructors,
    // and fields.
    if (kind == IJavaElement.TYPE || kind == IJavaElement.METHOD || kind == IJavaElement.FIELD) {
        if (Flags.isPrivate(flags)) {
            modiscoModifier.setVisibility(VisibilityKind.PRIVATE);
        } else if (Flags.isProtected(flags)) {
            modiscoModifier.setVisibility(VisibilityKind.PROTECTED);
        } else if (Flags.isPublic(flags)) {
            modiscoModifier.setVisibility(VisibilityKind.PUBLIC);
        }
    }

    // abstract is applicable to types and methods
    // final is applicable to types, methods and variables
    if (kind == IJavaElement.TYPE || kind == IJavaElement.METHOD) {
        if (Flags.isAbstract(flags)) {
            modiscoModifier.setInheritance(InheritanceKind.ABSTRACT);
        } else if (Flags.isFinal(flags)) {
            modiscoModifier.setInheritance(InheritanceKind.FINAL);
        }
    }
}

---

From source file:org.eclipse.mylyn.internal.java.ui.JavaStructureBridge.java

License:Open Source License

/**
 * Some copying from://from www  . j av a  2s. c  o  m
 * 
 * @see org.eclipse.jdt.ui.ProblemsLabelDecorator
 */
public boolean containsProblem(IInteractionElement node) {
    try {
        IJavaElement element = (IJavaElement) getObjectForHandle(node.getHandleIdentifier());
        switch (element.getElementType()) {
        case IJavaElement.JAVA_PROJECT:
        case IJavaElement.PACKAGE_FRAGMENT_ROOT:
            return getErrorTicksFromMarkers(element.getResource(), IResource.DEPTH_INFINITE, null);
        case IJavaElement.PACKAGE_FRAGMENT:
        case IJavaElement.COMPILATION_UNIT:
        case IJavaElement.CLASS_FILE:
            return getErrorTicksFromMarkers(element.getResource(), IResource.DEPTH_ONE, null);
        case IJavaElement.PACKAGE_DECLARATION:
        case IJavaElement.IMPORT_DECLARATION:
        case IJavaElement.IMPORT_CONTAINER:
        case IJavaElement.TYPE:
        case IJavaElement.INITIALIZER:
        case IJavaElement.METHOD:
        case IJavaElement.FIELD:
        case IJavaElement.LOCAL_VARIABLE:
            ICompilationUnit cu = (ICompilationUnit) element.getAncestor(IJavaElement.COMPILATION_UNIT);
            if (cu != null) {
                return getErrorTicksFromMarkers(element.getResource(), IResource.DEPTH_ONE, null);
            }
        }
    } catch (CoreException e) {
        // ignore
    }
    return false;
}

---

From source file:org.eclipse.objectteams.otdt.core.OTModelManager.java

License:Open Source License

/**
 * Add the propriate Object Teams Model element for a given IType 
 *///from   w w w  .  j a v  a  2  s . c  o m
public IOTType addType(IType elem, int typeDeclFlags, String baseClassName, String baseClassAnchor,
        boolean isRoleFile) {
    IJavaElement parent = elem.getParent();
    IOTType result = null;

    switch (parent.getElementType()) {
    case IJavaElement.COMPILATION_UNIT:
    case IJavaElement.CLASS_FILE:
        if (isRoleFile) { //  could also be a teeam, which is handled inside the constructor
            if (elem.isBinary()) {
                MAPPING.addOTElement(result = new BinaryRoleType(elem, parent, typeDeclFlags, baseClassName,
                        baseClassAnchor));
            } else {
                MAPPING.addOTElement(
                        result = new RoleFileType(elem, parent, typeDeclFlags, baseClassName, baseClassAnchor));
            }
        } else if (TypeHelper.isTeam(typeDeclFlags)) {
            MAPPING.addOTElement(result = new OTType(IOTJavaElement.TEAM, elem, null, typeDeclFlags));
        }
        break;
    case IJavaElement.TYPE:
        IType encType = (IType) parent;
        IOTType otmParent = MAPPING.getOTElement(encType);

        result = maybeAddRoleType(elem, otmParent, typeDeclFlags, baseClassName, baseClassAnchor);
        break;
    //do nothing if anonymous type
    case IJavaElement.METHOD:
        break;
    case IJavaElement.INITIALIZER:
        break;
    case IJavaElement.FIELD:
        break;
    //TODO (jwl) Wether anonymous types are roles or not will be discoverable with 
    //           a future implementation (probably with the help of a newer version of the compiler)

    //             case IJavaElement.METHOD:
    //              IMethod encMethod   = (IMethod)parent;
    //              otmParent = MAPPING.getOTElement(encMethod.getDeclaringType());
    //              
    //              addRoleType(elem, otmParent, typeDeclFlags, baseClassName);
    //              break;
    //          case IJavaElement.INITIALIZER:
    //              IInitializer encInitializer   = (IInitializer)parent;
    //              otmParent = MAPPING.getOTElement(encInitializer.getDeclaringType());
    //              
    //              addRoleType(elem, otmParent, typeDeclFlags, baseClassName);
    //              break;
    //          case IJavaElement.FIELD:
    //              IField encField   = (IField)parent;
    //              otmParent = MAPPING.getOTElement(encField.getDeclaringType());
    //              
    //              addRoleType(elem, otmParent, typeDeclFlags, baseClassName);
    //              break;
    default:
        new Throwable("Warning: unexpected parent for OT element: " + parent).printStackTrace(); //$NON-NLS-1$
        break;
    }
    return result;
}

---

From source file:org.eclipse.objectteams.otdt.debug.ui.internal.actions.OTToggleBreakpointAdapter.java

License:Open Source License

/**
 * Returns the IType associated with the <code>IJavaElement</code> passed in
 * @param element the <code>IJavaElement</code> to get the type from
 * @return the corresponding <code>IType</code> for the <code>IJavaElement</code>, or <code>null</code> if there is not one.
 * @since 3.3//from   ww w . ja v a  2 s.  c om
 */
protected IType getType(IJavaElement element) {
    switch (element.getElementType()) {
    case IJavaElement.FIELD: {
        return ((IField) element).getDeclaringType();
    }
    case IJavaElement.METHOD: {
        return ((IMethod) element).getDeclaringType();
    }
    case IJavaElement.TYPE: {
        return (IType) element;
    }
    default: {
        return null;
    }
    }
}

---

From source file:org.eclipse.objectteams.otdt.debug.ui.internal.actions.OTToggleBreakpointAdapter.java

License:Open Source License

/**
 * Returns if the text selection is a field selection or not
 * @param selection the text selection/*from   w  w w  . j a v a 2s .  c o m*/
 * @param part the associated workbench part
 * @return true if the text selection is a valid field for a watchpoint, false otherwise
 * @since 3.3
 */
private boolean isField(ITextSelection selection, IWorkbenchPart part) {
    ITextEditor editor = getTextEditor(part);
    if (editor != null) {
        IJavaElement element = getJavaElement(editor.getEditorInput());
        if (element != null) {
            try {
                if (element instanceof ICompilationUnit) {
                    element = ((ICompilationUnit) element).getElementAt(selection.getOffset());
                } else if (element instanceof IClassFile) {
                    element = ((IClassFile) element).getElementAt(selection.getOffset());
                }
                return element != null && element.getElementType() == IJavaElement.FIELD;
            } catch (JavaModelException e) {
                return false;
            }
        }
    }
    return false;
}

---

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