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

Introduction

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

Prototype

IJavaElement getParent();

Source Link

Document

Returns the element directly containing this element, or null if this element has no parent.

Usage

From source file:com.codenvy.ide.ext.java.server.internal.core.BinaryType.java

License:Open Source License

public IPackageFragment getPackageFragment() {
    IJavaElement parentElement = this.parent;
    while (parentElement != null) {
        if (parentElement.getElementType() == IJavaElement.PACKAGE_FRAGMENT) {
            return (IPackageFragment) parentElement;
        } else {/*from ww  w.  j a  v  a2s.  co  m*/
            parentElement = parentElement.getParent();
        }
    }
    Assert.isTrue(false); // should not happen
    return null;
}

From source file:com.codenvy.ide.ext.java.server.internal.core.ClassFile.java

License:Open Source License

/**
 * @see org.eclipse.jdt.core.IClassFile/*from w  w  w . j a  v a  2s .  c o  m*/
 */
public IJavaElement getElementAt(int position) throws JavaModelException {
    IJavaElement parentElement = getParent();
    while (parentElement.getElementType() != IJavaElement.PACKAGE_FRAGMENT_ROOT) {
        parentElement = parentElement.getParent();
    }
    PackageFragmentRoot root = (PackageFragmentRoot) parentElement;
    SourceMapper mapper = root.getSourceMapper();
    if (mapper == null) {
        return null;
    } else {
        // ensure this class file's buffer is open so that source ranges are computed
        getBuffer();

        IType type = getType();
        return findElement(type, position, mapper);
    }
}

From source file:com.codenvy.ide.ext.java.server.internal.core.CompilationUnit.java

License:Open Source License

/**
 * @see org.eclipse.jdt.core.ICompilationUnit#findElements(org.eclipse.jdt.core.IJavaElement)
 *//* w w w.  j  av  a2s. c o  m*/
public IJavaElement[] findElements(IJavaElement element) {
    ArrayList children = new ArrayList();
    while (element != null && element.getElementType() != IJavaElement.COMPILATION_UNIT) {
        children.add(element);
        element = element.getParent();
    }
    if (element == null)
        return null;
    IJavaElement currentElement = this;
    for (int i = children.size() - 1; i >= 0; i--) {
        SourceRefElement child = (SourceRefElement) children.get(i);
        switch (child.getElementType()) {
        case IJavaElement.PACKAGE_DECLARATION:
            currentElement = ((ICompilationUnit) currentElement).getPackageDeclaration(child.getElementName());
            break;
        case IJavaElement.IMPORT_CONTAINER:
            currentElement = ((ICompilationUnit) currentElement).getImportContainer();
            break;
        case IJavaElement.IMPORT_DECLARATION:
            currentElement = ((IImportContainer) currentElement).getImport(child.getElementName());
            break;
        case IJavaElement.TYPE:
            switch (currentElement.getElementType()) {
            case IJavaElement.COMPILATION_UNIT:
                currentElement = ((ICompilationUnit) currentElement).getType(child.getElementName());
                break;
            case IJavaElement.TYPE:
                currentElement = ((IType) currentElement).getType(child.getElementName());
                break;
            case IJavaElement.FIELD:
            case IJavaElement.INITIALIZER:
            case IJavaElement.METHOD:
                currentElement = ((IMember) currentElement).getType(child.getElementName(),
                        child.occurrenceCount);
                break;
            }
            break;
        case IJavaElement.INITIALIZER:
            currentElement = ((IType) currentElement).getInitializer(child.occurrenceCount);
            break;
        case IJavaElement.FIELD:
            currentElement = ((IType) currentElement).getField(child.getElementName());
            break;
        case IJavaElement.METHOD:
            currentElement = ((IType) currentElement).getMethod(child.getElementName(),
                    ((IMethod) child).getParameterTypes());
            break;
        }

    }
    if (currentElement != null && currentElement.exists()) {
        return new IJavaElement[] { currentElement };
    } else {
        return null;
    }
}

From source file:com.codenvy.ide.ext.java.server.internal.core.JavaElement.java

License:Open Source License

/**
 * @see org.eclipse.jdt.core.IJavaElement
 *//*from  w ww .  java2s .c  om*/
public IJavaElement getAncestor(int ancestorType) {

    IJavaElement element = this;
    while (element != null) {
        if (element.getElementType() == ancestorType)
            return element;
        element = element.getParent();
    }
    return null;
}

From source file:com.codenvy.ide.ext.java.server.internal.core.JavaElement.java

License:Open Source License

/**
 * @see org.eclipse.jdt.core.IJavaElement
 *///from w w  w .j a v a  2  s . c  o m
public IJavaModel getJavaModel() {
    IJavaElement current = this;
    do {
        if (current instanceof IJavaModel)
            return (IJavaModel) current;
    } while ((current = current.getParent()) != null);
    return null;
}

From source file:com.codenvy.ide.ext.java.server.internal.core.JavaElement.java

License:Open Source License

/**
 * @see org.eclipse.jdt.core.IJavaElement
 *//*w  w w .  j av a  2  s .c  o  m*/
public IJavaProject getJavaProject() {
    IJavaElement current = this;
    do {
        if (current instanceof IJavaProject)
            return (IJavaProject) current;
    } while ((current = current.getParent()) != null);
    return null;
}

From source file:com.codenvy.ide.ext.java.server.internal.core.JavaElement.java

License:Open Source License

/**
 * Returns true if this element is an ancestor of the given element,
 * otherwise false.//from  ww  w  .  j av a  2 s  . c om
 */
public boolean isAncestorOf(IJavaElement e) {
    IJavaElement parentElement = e.getParent();
    while (parentElement != null && !parentElement.equals(this)) {
        parentElement = parentElement.getParent();
    }
    return parentElement != null;
}

From source file:com.codenvy.ide.ext.java.server.internal.core.JavaElementDelta.java

License:Open Source License

/**
 * Returns whether the two java elements are equals and have the same parent.
 *//*w w w .ja v a  2  s.  co m*/
protected boolean equalsAndSameParent(IJavaElement e1, IJavaElement e2) {
    IJavaElement parent1;
    return e1.equals(e2) && ((parent1 = e1.getParent()) != null) && parent1.equals(e2.getParent());
}

From source file:com.codenvy.ide.ext.java.server.internal.core.JavaElementDelta.java

License:Open Source License

/**
 * Returns a collection of all the parents of this element up to (but
 * not including) the root of this tree in bottom-up order. If the given
 * element is not a descendant of the root of this tree, <code>null</code>
 * is returned.//from   ww  w  .  j av  a 2 s  .  c o m
 */
private ArrayList getAncestors(IJavaElement element) {
    IJavaElement parent = element.getParent();
    if (parent == null) {
        return null;
    }
    ArrayList parents = new ArrayList();
    while (!parent.equals(this.changedElement)) {
        parents.add(parent);
        parent = parent.getParent();
        if (parent == null) {
            return null;
        }
    }
    parents.trimToSize();
    return parents;
}

From source file:com.codenvy.ide.ext.java.server.internal.core.LocalVariable.java

License:Open Source License

/**
 * @see org.eclipse.jdt.core.IMember#getClassFile()
 *///  www .j av  a 2  s.  co  m
public IClassFile getClassFile() {
    IJavaElement element = getParent();
    while (element instanceof IMember) {
        element = element.getParent();
    }
    if (element instanceof IClassFile) {
        return (IClassFile) element;
    }
    return null;
}