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

List of usage examples for org.eclipse.jdt.core IJavaElement getElementType

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Introduction

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

Prototype

int getElementType();

Source Link

Document

Returns this element's kind encoded as an integer.

Usage

From source file:apet.utils.SourceUtils.java

License:Open Source License

private static void fileEvaluations(IJavaElement javaFile) throws ApetException {
    try {/*from w w  w .  j av  a 2 s. co  m*/
        if (javaFile.getElementType() != IJavaElement.COMPILATION_UNIT) {
            throw new ApetException("The file must be a Java file");
        }
        ICompilationUnit javaFileComp = (ICompilationUnit) javaFile;

        if (!javaFile.isStructureKnown()) {
            throw new ApetException("The file cannot have errors to analyze it");
        }
        if (!javaFile.getElementName().endsWith(".java")) {
            throw new ApetException("The file is not a Java File");
        }

        if (!javaFileComp.isConsistent()) {
            throw new ApetException("The file is not consistent, cannot proccess it");
        }

    } catch (JavaModelException e) {
        throw new ApetException("Cannot evaluate the file, it may be incorrect");

    }
}

From source file:at.bestsolution.fxide.jdt.corext.javadoc.JavaDocLocations.java

License:Open Source License

public static URL getJavadocBaseLocation(IJavaElement element) throws JavaModelException {
    if (element.getElementType() == IJavaElement.JAVA_PROJECT) {
        return getProjectJavadocLocation((IJavaProject) element);
    }//from  w  w  w . j a  va2  s  .c  o  m

    IPackageFragmentRoot root = JavaModelUtil.getPackageFragmentRoot(element);
    if (root == null) {
        return null;
    }

    if (root.getKind() == IPackageFragmentRoot.K_BINARY) {
        IClasspathEntry entry = root.getResolvedClasspathEntry();
        URL javadocLocation = getLibraryJavadocLocation(entry);
        if (javadocLocation != null) {
            return getLibraryJavadocLocation(entry);
        }
        entry = root.getRawClasspathEntry();
        switch (entry.getEntryKind()) {
        case IClasspathEntry.CPE_LIBRARY:
        case IClasspathEntry.CPE_VARIABLE:
            return getLibraryJavadocLocation(entry);
        default:
            return null;
        }
    } else {
        return getProjectJavadocLocation(root.getJavaProject());
    }
}

From source file:at.bestsolution.fxide.jdt.text.viewersupport.JavaElementLabelComposer.java

License:Open Source License

/**
 * Appends the label for a Java element with the flags as defined by this class.
 *
 * @param element the element to render//  www. ja  v  a 2  s  . co  m
 * @param flags the rendering flags.
 */
public void appendElementLabel(IJavaElement element, long flags) {
    int type = element.getElementType();
    IPackageFragmentRoot root = null;

    if (type != IJavaElement.JAVA_MODEL && type != IJavaElement.JAVA_PROJECT
            && type != IJavaElement.PACKAGE_FRAGMENT_ROOT)
        root = JavaModelUtil.getPackageFragmentRoot(element);
    if (root != null && getFlag(flags, JavaElementLabels.PREPEND_ROOT_PATH)) {
        appendPackageFragmentRootLabel(root, JavaElementLabels.ROOT_QUALIFIED);
        fBuffer.append(JavaElementLabels.CONCAT_STRING);
    }

    switch (type) {
    case IJavaElement.METHOD:
        appendMethodLabel((IMethod) element, flags);
        break;
    case IJavaElement.FIELD:
        appendFieldLabel((IField) element, flags);
        break;
    case IJavaElement.LOCAL_VARIABLE:
        appendLocalVariableLabel((ILocalVariable) element, flags);
        break;
    case IJavaElement.TYPE_PARAMETER:
        appendTypeParameterLabel((ITypeParameter) element, flags);
        break;
    case IJavaElement.INITIALIZER:
        appendInitializerLabel((IInitializer) element, flags);
        break;
    case IJavaElement.TYPE:
        appendTypeLabel((IType) element, flags);
        break;
    case IJavaElement.CLASS_FILE:
        appendClassFileLabel((IClassFile) element, flags);
        break;
    case IJavaElement.COMPILATION_UNIT:
        appendCompilationUnitLabel((ICompilationUnit) element, flags);
        break;
    case IJavaElement.PACKAGE_FRAGMENT:
        appendPackageFragmentLabel((IPackageFragment) element, flags);
        break;
    case IJavaElement.PACKAGE_FRAGMENT_ROOT:
        appendPackageFragmentRootLabel((IPackageFragmentRoot) element, flags);
        break;
    case IJavaElement.IMPORT_CONTAINER:
    case IJavaElement.IMPORT_DECLARATION:
    case IJavaElement.PACKAGE_DECLARATION:
        appendDeclarationLabel(element, flags);
        break;
    case IJavaElement.JAVA_PROJECT:
    case IJavaElement.JAVA_MODEL:
        fBuffer.append(element.getElementName());
        break;
    default:
        fBuffer.append(element.getElementName());
    }

    if (root != null && getFlag(flags, JavaElementLabels.APPEND_ROOT_PATH)) {
        int offset = fBuffer.length();
        fBuffer.append(JavaElementLabels.CONCAT_STRING);
        appendPackageFragmentRootLabel(root, JavaElementLabels.ROOT_QUALIFIED);

        //         if (getFlag(flags, JavaElementLabels.COLORIZE)) {
        //            fBuffer.setStyle(offset, fBuffer.length() - offset, QUALIFIER_STYLE);
        //         }

    }
}

From source file:at.bestsolution.fxide.jdt.text.viewersupport.JavaElementLabelComposer.java

License:Open Source License

/**
 * Appends the label for a type. Considers the T_* flags.
 *
 * @param type the element to render//from   w w  w .  j a v a  2  s. c  o m
 * @param flags the rendering flags. Flags with names starting with 'T_' are considered.
 */
public void appendTypeLabel(IType type, long flags) {

    if (getFlag(flags, JavaElementLabels.T_FULLY_QUALIFIED)) {
        IPackageFragment pack = type.getPackageFragment();
        if (!pack.isDefaultPackage()) {
            appendPackageFragmentLabel(pack, (flags & QUALIFIER_FLAGS));
            fBuffer.append('.');
        }
    }
    IJavaElement parent = type.getParent();
    if (getFlag(flags, JavaElementLabels.T_FULLY_QUALIFIED | JavaElementLabels.T_CONTAINER_QUALIFIED)) {
        IType declaringType = type.getDeclaringType();
        if (declaringType != null) {
            appendTypeLabel(declaringType, JavaElementLabels.T_CONTAINER_QUALIFIED | (flags & QUALIFIER_FLAGS));
            fBuffer.append('.');
        }
        int parentType = parent.getElementType();
        if (parentType == IJavaElement.METHOD || parentType == IJavaElement.FIELD
                || parentType == IJavaElement.INITIALIZER) { // anonymous or local
            appendElementLabel(parent, 0);
            fBuffer.append('.');
        }
    }

    String typeName;
    boolean isAnonymous = false;
    if (type.isLambda()) {
        typeName = "() -> {...}"; //$NON-NLS-1$
        try {
            String[] superInterfaceSignatures = type.getSuperInterfaceTypeSignatures();
            if (superInterfaceSignatures.length > 0) {
                typeName = typeName + ' ' + getSimpleTypeName(type, superInterfaceSignatures[0]);
            }
        } catch (JavaModelException e) {
            //ignore
        }

    } else {
        typeName = getElementName(type);
        try {
            isAnonymous = type.isAnonymous();
        } catch (JavaModelException e1) {
            // should not happen, but let's play safe:
            isAnonymous = typeName.length() == 0;
        }
        if (isAnonymous) {
            try {
                if (parent instanceof IField && type.isEnum()) {
                    typeName = '{' + JavaElementLabels.ELLIPSIS_STRING + '}';
                } else {
                    String supertypeName = null;
                    String[] superInterfaceSignatures = type.getSuperInterfaceTypeSignatures();
                    if (superInterfaceSignatures.length > 0) {
                        supertypeName = getSimpleTypeName(type, superInterfaceSignatures[0]);
                    } else {
                        String supertypeSignature = type.getSuperclassTypeSignature();
                        if (supertypeSignature != null) {
                            supertypeName = getSimpleTypeName(type, supertypeSignature);
                        }
                    }
                    if (supertypeName == null) {
                        typeName = JavaUIMessages.JavaElementLabels_anonym;
                    } else {
                        typeName = Messages.format(JavaUIMessages.JavaElementLabels_anonym_type, supertypeName);
                    }
                }
            } catch (JavaModelException e) {
                //ignore
                typeName = JavaUIMessages.JavaElementLabels_anonym;
            }
        }
    }
    fBuffer.append(typeName);

    if (getFlag(flags, JavaElementLabels.T_TYPE_PARAMETERS)) {
        if (getFlag(flags, JavaElementLabels.USE_RESOLVED) && type.isResolved()) {
            BindingKey key = new BindingKey(type.getKey());
            if (key.isParameterizedType()) {
                String[] typeArguments = key.getTypeArguments();
                appendTypeArgumentSignaturesLabel(type, typeArguments, flags);
            } else {
                String[] typeParameters = Signature.getTypeParameters(key.toSignature());
                appendTypeParameterSignaturesLabel(typeParameters, flags);
            }
        } else if (type.exists()) {
            try {
                appendTypeParametersLabels(type.getTypeParameters(), flags);
            } catch (JavaModelException e) {
                // ignore
            }
        }
    }

    // category
    if (getFlag(flags, JavaElementLabels.T_CATEGORY) && type.exists()) {
        try {
            appendCategoryLabel(type, flags);
        } catch (JavaModelException e) {
            // ignore
        }
    }

    // post qualification
    if (getFlag(flags, JavaElementLabels.T_POST_QUALIFIED)) {
        int offset = fBuffer.length();
        fBuffer.append(JavaElementLabels.CONCAT_STRING);
        IType declaringType = type.getDeclaringType();
        if (declaringType == null && type.isBinary() && isAnonymous) {
            // workaround for Bug 87165: [model] IType#getDeclaringType() does not work for anonymous binary type
            String tqn = type.getTypeQualifiedName();
            int lastDollar = tqn.lastIndexOf('$');
            if (lastDollar != 1) {
                String declaringTypeCF = tqn.substring(0, lastDollar) + ".class"; //$NON-NLS-1$
                declaringType = type.getPackageFragment().getClassFile(declaringTypeCF).getType();
                try {
                    ISourceRange typeSourceRange = type.getSourceRange();
                    if (declaringType.exists() && SourceRange.isAvailable(typeSourceRange)) {
                        IJavaElement realParent = declaringType.getTypeRoot()
                                .getElementAt(typeSourceRange.getOffset() - 1);
                        if (realParent != null) {
                            parent = realParent;
                        }
                    }
                } catch (JavaModelException e) {
                    // ignore
                }
            }
        }
        if (declaringType != null) {
            appendTypeLabel(declaringType, JavaElementLabels.T_FULLY_QUALIFIED | (flags & QUALIFIER_FLAGS));
            int parentType = parent.getElementType();
            if (parentType == IJavaElement.METHOD || parentType == IJavaElement.FIELD
                    || parentType == IJavaElement.INITIALIZER) { // anonymous or local
                fBuffer.append('.');
                appendElementLabel(parent, 0);
            }
        } else {
            appendPackageFragmentLabel(type.getPackageFragment(), flags & QUALIFIER_FLAGS);
        }
        //         if (getFlag(flags, JavaElementLabels.COLORIZE)) {
        //            fBuffer.setStyle(offset, fBuffer.length() - offset, QUALIFIER_STYLE);
        //         }
    }
}

From source file:at.bestsolution.fxide.jdt.text.viewersupport.JavaElementLabelComposer.java

License:Open Source License

/**
 * Appends the label for a import container, import or package declaration. Considers the D_* flags.
 *
 * @param declaration the element to render
 * @param flags the rendering flags. Flags with names starting with 'D_' are considered.
 *//*  ww  w  .  j a  va 2  s . c o m*/
public void appendDeclarationLabel(IJavaElement declaration, long flags) {
    if (getFlag(flags, JavaElementLabels.D_QUALIFIED)) {
        IJavaElement openable = (IJavaElement) declaration.getOpenable();
        if (openable != null) {
            appendElementLabel(openable, JavaElementLabels.CF_QUALIFIED | JavaElementLabels.CU_QUALIFIED
                    | (flags & QUALIFIER_FLAGS));
            fBuffer.append('/');
        }
    }
    if (declaration.getElementType() == IJavaElement.IMPORT_CONTAINER) {
        fBuffer.append(JavaUIMessages.JavaElementLabels_import_container);
    } else {
        fBuffer.append(getElementName(declaration));
    }
    // post qualification
    if (getFlag(flags, JavaElementLabels.D_POST_QUALIFIED)) {
        int offset = fBuffer.length();
        IJavaElement openable = (IJavaElement) declaration.getOpenable();
        if (openable != null) {
            fBuffer.append(JavaElementLabels.CONCAT_STRING);
            appendElementLabel(openable, JavaElementLabels.CF_QUALIFIED | JavaElementLabels.CU_QUALIFIED
                    | (flags & QUALIFIER_FLAGS));
        }
        //         if (getFlag(flags, JavaElementLabels.COLORIZE)) {
        //            fBuffer.setStyle(offset, fBuffer.length() - offset, QUALIFIER_STYLE);
        //         }
    }
}

From source file:bndtools.internal.pkgselection.SearchUtils.java

License:Open Source License

/**
 * @param match//from w  w w .ja  v a 2s  .  c om
 * @return the enclosing {@link ICompilationUnit} of the given match, or null iff none
 */
public static ICompilationUnit getCompilationUnit(SearchMatch match) {
    IJavaElement enclosingElement = getEnclosingJavaElement(match);
    if (enclosingElement != null) {
        if (enclosingElement instanceof ICompilationUnit)
            return (ICompilationUnit) enclosingElement;
        ICompilationUnit cu = (ICompilationUnit) enclosingElement.getAncestor(IJavaElement.COMPILATION_UNIT);
        if (cu != null)
            return cu;
    }

    IJavaElement jElement = JavaCore.create(match.getResource());
    if (jElement != null && jElement.exists() && jElement.getElementType() == IJavaElement.COMPILATION_UNIT)
        return (ICompilationUnit) jElement;
    return null;
}

From source file:br.ufmg.dcc.tabuleta.decorators.LightWeightDecorator.java

License:Open Source License

private Set<Object> getAllParents(Set<Object> pElements, String pConcern) {
    Set<Object> lReturn = new HashSet<Object>();
    Set<Object> lNotFilteredElements = new HashSet<Object>();
    lNotFilteredElements.addAll(pElements);

    //If the filter is enabled, remove the elements of pElements that have a degree lower than the threshold
    if (Tabuleta.getDefault().getPreferenceStore().getBoolean(ConcernMapperPreferencePage.P_FILTER_ENABLED)) {
        Set<Object> lFilteredElements = new HashSet<Object>();
        for (Object lNext : lNotFilteredElements) {
            if (Tabuleta.getDefault().getConcernModel().getDegree(pConcern, lNext) < Tabuleta.getDefault()
                    .getPreferenceStore().getInt(ConcernMapperPreferencePage.P_FILTER_THRESHOLD)) {
                lFilteredElements.add(lNext);
            }/*from   www.j  av  a  2 s  .  c o  m*/
        }
        for (Object lNext : lFilteredElements) {
            lNotFilteredElements.remove(lNext);
        }
    }
    //Get the top parent to decorate from the preference store
    int lTopParent = IJavaElement.JAVA_PROJECT;
    if (!Tabuleta.getDefault().getPreferenceStore().getString(ConcernMapperPreferencePage.P_DECORATION_LIMIT)
            .equals("")) {
        lTopParent = Integer.parseInt(Tabuleta.getDefault().getPreferenceStore()
                .getString(ConcernMapperPreferencePage.P_DECORATION_LIMIT));
    }
    // Get the parents
    for (Object lNext : lNotFilteredElements) {
        if (lNext != null) {
            if (lNext instanceof IJavaElement) {
                IJavaElement lParent = ((IJavaElement) lNext).getParent();
                assert lParent != null;
                while (lParent.getElementType() != lTopParent) {
                    lReturn.add(lParent);
                    lParent = lParent.getParent();
                    assert lParent != null;
                }
            }
        }

    }
    return lReturn;
}

From source file:ca.uvic.chisel.diver.mylyn.logger.logging.PageSelectionListener.java

License:Open Source License

/**
 * @param je/*www.j a va2s  .co m*/
 * @return
 */
private String getElementType(IJavaElement je) {
    switch (je.getElementType()) {
    case IJavaElement.ANNOTATION:
        return "annotation";
    case IJavaElement.CLASS_FILE:
        return "classfile";
    case IJavaElement.COMPILATION_UNIT:
        return "compilationunit";
    case IJavaElement.FIELD:
        return "field";
    case IJavaElement.IMPORT_CONTAINER:
        return "importcontainer";
    case IJavaElement.IMPORT_DECLARATION:
        return "importdeclaration";
    case IJavaElement.INITIALIZER:
        return "initializer";
    case IJavaElement.JAVA_MODEL:
        return "javamodel";
    case IJavaElement.JAVA_PROJECT:
        return "javaproject";
    case IJavaElement.LOCAL_VARIABLE:
        return "localvariable";
    case IJavaElement.METHOD:
        return "method";
    case IJavaElement.PACKAGE_DECLARATION:
        return "packagedeclaration";
    case IJavaElement.PACKAGE_FRAGMENT:
        return "packagefragment";
    case IJavaElement.TYPE:
        return "type";
    case IJavaElement.TYPE_PARAMETER:
        return "typeparameter";
    }
    return "null";
}

From source file:ca.uvic.cs.tagsea.folding.TagseaJavaFoldingStructureProvider.java

License:Open Source License

@Override
protected void computeFoldingStructure(IJavaElement element, FoldingStructureComputationContext ctx) {
    super.computeFoldingStructure(element, ctx);

    switch (element.getElementType()) {
    case IJavaElement.METHOD:
        return;/*w  w w  .  j  a  va2  s  . c  o  m*/

    case IJavaElement.IMPORT_CONTAINER:
    case IJavaElement.TYPE:
    case IJavaElement.FIELD:
    case IJavaElement.INITIALIZER:
        break;
    default:
        return;
    }

    IRegion[] tags = TagExtractor.getTagRegions(getDocument(), (ISourceReference) element);

    for (IRegion region : tags) {

        JavaProjectionAnnotation annotation = new JavaProjectionAnnotation(true, element, false);
        IRegion normalized = alignRegion(region, ctx);

        /* A null here indicates that we are attempting to fold a single line region */
        if (normalized != null) {
            Position position = createCommentPosition(normalized);
            ctx.addProjectionRange(annotation, position);
        }
    }

}

From source file:cfgrecognition.loader.SootClassLoader.java

License:Open Source License

/**
 * The method traverses all of the project types in depth-first order
 * including inner and anonymous types and loads them in Soot.
 * /*  w  w  w  . ja  v a2  s. c  o  m*/
 * 
 * @param monitor
 *            The progress monitor.
 * @throws Exception
 *             Propagated from JDT APIs.
 */
public void process() throws Exception {
    IJavaProject project = Activator.getIJavaProject();
    IPackageFragmentRoot[] packageFragmentRoots = project.getPackageFragmentRoots();
    //      subMonitor.beginTask("Loading " + project.getElementName() + " ...", 2);
    //
    //      SubProgressMonitor monitor = new SubProgressMonitor(subMonitor, 1);
    //      monitor.beginTask("Loading packages ... ",
    //            packageFragmentRoots.length + 1);

    for (IPackageFragmentRoot pkgFragRoot : packageFragmentRoots) {
        if (pkgFragRoot.getKind() == IPackageFragmentRoot.K_SOURCE) {
            IJavaElement[] pkgFrags = (IJavaElement[]) pkgFragRoot.getChildren();
            for (IJavaElement pkgFrag : pkgFrags) {
                //               if (monitor.isCanceled())
                //                  return;
                //
                //               monitor.subTask("Loading classes in "
                //                     + pkgFrag.getElementName());

                if (pkgFrag.getElementType() == IJavaElement.PACKAGE_FRAGMENT) {
                    IPackageFragment pkgFragment = (IPackageFragment) pkgFrag;
                    IJavaElement[] children = pkgFragment.getChildren();
                    for (IJavaElement anElement : children) {
                        //                     if (monitor.isCanceled())
                        //                        return;

                        // Make sure its a java file
                        if (anElement.getElementType() == IJavaElement.COMPILATION_UNIT) {
                            this.dfsDomTree(anElement);
                            //                        this.dfsDomTree(anElement, monitor);
                        }
                    }
                }
            }
        }
        //         monitor.worked(1);
    }

    // Load the necessary classes after all of the classes have been loaded.
    Scene.v().loadNecessaryClasses();
    //      monitor.done();

    // Create an instance of Interpreter before we process anything further
    // Interpreter.instance();

    //      monitor = new SubProgressMonitor(subMonitor, 1);
    //      monitor.beginTask("Configuring entry points ... ", this
    //            .getAllSootClasses().size());

    //      for (SootClass c : this.getAllSootClasses()) {
    //         // ExtensionManager manager = ExtensionManager.instance();
    //         // Configure entry methods for extension plugin
    //         for (SootMethod method : c.getMethods()) {
    //            if (monitor.isCanceled())
    //               return;
    //            // TODO: later down the road, this specifies the entry points
    //            // (characteristics for different algorithms)
    //            // manager.checkEntryMethod(method, monitor);
    //            monitor.worked(1);
    //         }
    //      }
    //      monitor.done();
}