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

Introduction

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

Prototype

int METHOD

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Document

Constant representing a method or constructor.

Usage

From source file:org.jboss.tools.ws.jaxrs.core.internal.metamodel.domain.JaxrsElementFactory.java

License:Open Source License

/**
 * Attempts to create a new JAX-RS element from the given {@link Annotation}
 * . Multiple elements can be returned, for example if a java method is
 * annotated with a JAX-RS annotation (ex: <code>@Path()</code>), the parent
 * type becomes a JAX-RS Subresource./*w w w  . jav  a  2 s  .co  m*/
 * 
 * @param element
 * @param ast
 * @param metamodel
 * @return the created JAX-RS element or null if the given Java annotation
 *         is not a valid one.
 * @throws CoreException
 */
public static Set<IJaxrsElement> createElements(final IAnnotation javaAnnotation, final CompilationUnit ast,
        final JaxrsMetamodel metamodel, final IProgressMonitor progressMonitor) throws CoreException {
    // unsupported annotation (eg: on package declaration, or underlying java
    // element does not exist or not found) are ignored
    if (javaAnnotation != null) {
        switch (javaAnnotation.getParent().getElementType()) {
        case IJavaElement.TYPE:
            return internalCreateElements((IType) javaAnnotation.getParent(), ast, metamodel, progressMonitor);
        case IJavaElement.METHOD:
            return createElements((IMethod) javaAnnotation.getParent(), ast, metamodel, progressMonitor);
        case IJavaElement.FIELD:
            return createElements((IField) javaAnnotation.getParent(), ast, metamodel, progressMonitor);
        }
    }
    return Collections.emptySet();
}

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From source file:org.jboss.tools.ws.jaxrs.core.internal.metamodel.domain.JaxrsMetamodel.java

License:Open Source License

/**
 * Process a single Java Element change/*  w ww.  j  a va2 s  . c  om*/
 * 
 * @param delta
 * @param progressMonitor
 * @throws CoreException
 */
public void processJavaElementChange(final JavaElementChangedEvent delta,
        final IProgressMonitor progressMonitor) throws CoreException {
    try {
        Logger.debug("Processing {}", delta);
        readWriteLock.writeLock().lock();
        final IJavaElement element = delta.getElement();
        final CompilationUnit ast = delta.getCompilationUnitAST();
        final int deltaKind = delta.getKind();
        switch (element.getElementType()) {
        case IJavaElement.JAVA_PROJECT:
        case IJavaElement.PACKAGE_FRAGMENT_ROOT:
            processProject(progressMonitor);
            break;
        case IJavaElement.ANNOTATION:
            processJavaAnnotationChange((IAnnotation) element, deltaKind, ast, progressMonitor);
            break;
        case IJavaElement.COMPILATION_UNIT:
        case IJavaElement.TYPE:
        case IJavaElement.METHOD:
        case IJavaElement.FIELD:
            processJavaElementChange(element, deltaKind, ast, progressMonitor);
            break;
        default:
            // ignore
            break;
        }
    } finally {
        this.initializing = false;
        progressMonitor.done();
        readWriteLock.writeLock().unlock();
        setBuildStatus(Status.OK_STATUS);
        Logger.debug("Done processing Java changes: " + getStatus());
    }
}

---

From source file:org.jboss.tools.ws.jaxrs.core.internal.metamodel.domain.JaxrsMetamodel.java

License:Open Source License

/**
 * Search for the JAX-RS java-based elements matching the given
 * {@link IJavaElement} in the metamodel.
 * //  w ww.  ja  va 2  s. c  o  m
 * @param element
 * @param ast
 * @return the matching JAX-RS Elements or an empty set if no JAX-RS
 *         element matched in the metamodel.
 * @throws JavaModelException
 */
private List<IJaxrsElement> searchJaxrsElements(final IJavaElement element) throws JavaModelException {
    if (element == null) {
        return Collections.emptyList();
    }
    try {
        readWriteLock.readLock().lock();
        final List<IJaxrsElement> result = new ArrayList<IJaxrsElement>();
        final Term javaElementTerm = new Term(FIELD_JAVA_ELEMENT, Boolean.TRUE.toString());
        switch (element.getElementType()) {
        case IJavaElement.JAVA_PROJECT:
            final Term javaProjectIdentifier = new Term(FIELD_JAVA_PROJECT_IDENTIFIER,
                    element.getHandleIdentifier());
            result.addAll(searchJaxrsElements(javaElementTerm, javaProjectIdentifier));
            break;
        case IJavaElement.PACKAGE_FRAGMENT_ROOT:
            final Term packageFragmentRootIdentifier = new Term(FIELD_PACKAGE_FRAGMENT_ROOT_IDENTIFIER,
                    element.getHandleIdentifier());
            result.addAll(searchJaxrsElements(javaElementTerm, packageFragmentRootIdentifier));
            break;
        case IJavaElement.COMPILATION_UNIT:
            final Term compilationUnitTerm = new Term(FIELD_COMPILATION_UNIT_IDENTIFIER,
                    element.getHandleIdentifier());
            result.addAll(searchJaxrsElements(javaElementTerm, compilationUnitTerm));
            break;
        case IJavaElement.TYPE:
        case IJavaElement.FIELD:
        case IJavaElement.METHOD:
            final IJaxrsElement foundElement = this.elements.get(element.getHandleIdentifier());
            if (foundElement != null) {
                result.add(foundElement);
            }
            break;
        }
        return result;
    } finally {
        readWriteLock.readLock().unlock();
    }

}

---

From source file:org.jboss.tools.ws.jaxrs.core.internal.metamodel.domain.JaxrsParameterAggregatorProperty.java

License:Open Source License

@Override
public void update(final IJavaElement javaElement, final CompilationUnit ast) throws CoreException {
    if (javaElement == null) {
        remove(FlagsUtils.computeElementFlags(this));
    } else {/*w w  w . j  av  a2 s . c o m*/
        // NOTE: the given javaElement may be an ICompilationUnit (after
        // resource change) !!
        switch (javaElement.getElementType()) {
        case IJavaElement.COMPILATION_UNIT:
            final IType primaryType = ((ICompilationUnit) javaElement).findPrimaryType();
            if (primaryType != null) {
                final IMethod method = primaryType.getMethod(getJavaElement().getElementName(),
                        getJavaElement().getParameterTypes());
                update(method, ast);
            }
            break;
        case IJavaElement.METHOD:
            update(from((IMethod) javaElement, ast).buildTransient());
        }
    }
}

---

From source file:org.jboss.tools.ws.jaxrs.core.internal.metamodel.domain.JaxrsResourceMethod.java

License:Open Source License

/**
 * Updates the current {@link JaxrsJavaElement} from the given
 * {@link IJavaElement}/*from ww  w  . j a  va  2s.c  o m*/
 * 
 * @param javaElement
 * @param ast
 * @return
 * @throws CoreException
 */
// TODO: add support for java method thrown exceptions..
@Override
public void update(final IJavaElement javaElement, final CompilationUnit ast) throws CoreException {
    if (javaElement == null) {
        remove(FlagsUtils.computeElementFlags(this));
    } else {
        // NOTE: the given javaElement may be an ICompilationUnit (after
        // resource change) !!
        switch (javaElement.getElementType()) {
        case IJavaElement.COMPILATION_UNIT:
            final IType primaryType = ((ICompilationUnit) javaElement).findPrimaryType();
            if (primaryType != null) {
                final IMethod method = primaryType.getMethod(getJavaElement().getElementName(),
                        getJavaElement().getParameterNames());
                update(method, ast);
            }
            break;
        case IJavaElement.METHOD:
            update(from((IMethod) javaElement, ast, getMetamodel().findAllHttpMethodNames()).buildTransient());
        }
    }
}

---

From source file:org.jboss.tools.ws.jaxrs.core.internal.metamodel.domain.JaxrsResourceProperty.java

License:Open Source License

@Override
public void update(final IJavaElement javaElement, final CompilationUnit ast) throws CoreException {
    if (javaElement == null) {
        remove(FlagsUtils.computeElementFlags(this));
    } else {//from  www  . j av  a  2 s .  c  o  m
        // NOTE: the given javaElement may be an ICompilationUnit (after
        // resource change) !!
        switch (javaElement.getElementType()) {
        case IJavaElement.COMPILATION_UNIT:
            final IType primaryType = ((ICompilationUnit) javaElement).findPrimaryType();
            if (primaryType != null) {
                final IField field = primaryType.getField(getJavaElement().getElementName());
                update(field, ast);
            }
            break;
        case IJavaElement.METHOD:
            update(from((IMethod) javaElement, ast).buildTransient());
        }
    }
}

---

From source file:org.jboss.tools.ws.jaxrs.core.internal.metamodel.search.JavaElementsSearcher.java

License:Open Source License

/**
 * Search for methods annotated with one of the given annotations, in the search scope.
 * //www. j  ava  2s  . c o  m
 * @param annotationNames
 *            the annotations fully qualified names
 * @param searchScope
 *            the search scope
 * @param progressMonitor
 *            the progress monitor
 * @return the matching methods
 * @throws CoreException
 *             in case of underlying exception
 */
private static Set<IMethod> searchForAnnotatedMethods(final List<String> annotationNames,
        final IJavaSearchScope searchScope, final IProgressMonitor progressMonitor) throws CoreException {
    final JavaMemberSearchResultCollector collector = new JavaMemberSearchResultCollector(IJavaElement.METHOD,
            searchScope);
    SearchPattern pattern = null;
    for (String annotationName : annotationNames) {
        // TODO : apply on METHOD instead of TYPE ?
        SearchPattern subPattern = SearchPattern.createPattern(annotationName,
                IJavaSearchConstants.ANNOTATION_TYPE, IJavaSearchConstants.ANNOTATION_TYPE_REFERENCE,
                SearchPattern.R_EXACT_MATCH | SearchPattern.R_CASE_SENSITIVE);
        if (pattern == null) {
            pattern = subPattern;
        } else {
            pattern = SearchPattern.createOrPattern(pattern, subPattern);
        }
    }
    // perform search, results are added/filtered by the custom
    // searchRequestor defined above
    new SearchEngine().search(pattern, new SearchParticipant[] { SearchEngine.getDefaultSearchParticipant() },
            searchScope, collector, progressMonitor);
    return collector.getResult();
}

---

From source file:org.jboss.tools.ws.jaxrs.core.jdt.DOMUtils.java

License:Open Source License

/**
 * Returns the ASTNode associated with the given java Element expectedType and found at the given location. This method will
 * perform faster as the initial parentNode is precisely defined (eg : TypeDeclaration or MethodDeclaration instead of
 * CompilationUnit)//from w w w. jav a  2s.  c  o m
 * 
 * @param compilationUnit
 * @param elementType
 * @param position
 * @return
 * @see {@link IJavaElement}
 */
//FIXME: this should be part of the visitor.
static ASTNode getASTNodeByTypeAndLocation(final ASTNode parentNode, final int expectedType,
        final int location) {
    switch (parentNode.getNodeType()) {
    case ASTNode.COMPILATION_UNIT:
        @SuppressWarnings("unchecked")
        final List<ASTNode> types = ((CompilationUnit) parentNode).types();
        for (ASTNode type : types) {
            if (nodeMatches(type, location)) {
                if (expectedType == IJavaElement.TYPE) {
                    return type;
                }
                // could also be ANNOTATION_TYPE_DECLARATION, which doesn't need to trigger recursive call to this
                // method.
                if (type.getNodeType() == CompilationUnit.TYPE_DECLARATION) {
                    return getASTNodeByTypeAndLocation(type, expectedType, location);
                }
            }
        }
        break;
    case ASTNode.TYPE_DECLARATION:
        final FieldDeclaration[] fieldDeclarations = ((TypeDeclaration) parentNode).getFields();
        for (FieldDeclaration fieldDeclaration : fieldDeclarations) {
            if (nodeMatches(fieldDeclaration, location)) {
                if (expectedType == IJavaElement.FIELD) {
                    return fieldDeclaration;
                }
            }
        }
        final MethodDeclaration[] methodDeclarations = ((TypeDeclaration) parentNode).getMethods();
        for (MethodDeclaration methodDeclaration : methodDeclarations) {
            if (nodeMatches(methodDeclaration, location)) {
                if (expectedType == IJavaElement.METHOD) {
                    return methodDeclaration;
                }
                return getASTNodeByTypeAndLocation(methodDeclaration, expectedType, location);

            }
        }
        return null;
    case ASTNode.METHOD_DECLARATION:
        @SuppressWarnings("unchecked")
        final List<ASTNode> parameters = ((MethodDeclaration) parentNode).parameters();
        for (ASTNode parameter : parameters) {
            if (nodeMatches(parameter, location)) {
                if (expectedType == IJavaElement.LOCAL_VARIABLE) {
                    return parameter;
                }
            }
        }
    }

    return null;
}

---

From source file:org.jboss.tools.ws.jaxrs.core.jdt.JavaAnnotationLocator.java

License:Open Source License

public JavaAnnotationLocator(final IJavaElement parentElement, final int location) {
    this.parentMethod = (parentElement.getElementType() == IJavaElement.METHOD) ? (IMethod) parentElement
            : null;/*w  ww.  j  a  v  a2 s.  com*/
    this.location = location;
}

---

From source file:org.jboss.tools.ws.jaxrs.core.jdt.JavaAnnotationsVisitor.java

License:Open Source License

/**
 * {@inheritDoc}//  w  w  w.  java 2s. c o  m
 * 
 * @see org.eclipse.jdt.core.dom.ASTVisitor#visit(org.eclipse.jdt.core.dom. MethodDeclaration)
 */
@Override
public final boolean visit(final MethodDeclaration node) {
    if (memberType == IJavaElement.METHOD && node.getName().getFullyQualifiedName().equals(memberName)
            && matchesLocation(node)) {
        visitExtendedModifiers((List<?>) node.getStructuralProperty(MethodDeclaration.MODIFIERS2_PROPERTY));
        return false;
    }
    return true;
}

---

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