Example usage for org.eclipse.jdt.core.dom FieldAccess getLocationInParent

Introduction

In this page you can find the example usage for org.eclipse.jdt.core.dom FieldAccess getLocationInParent.

Prototype

public final StructuralPropertyDescriptor getLocationInParent() 

Source Link

Document

Returns the location of this node within its parent, or null if this is a root node.

Usage

From source file:org.eclipse.wb.internal.core.utils.ast.AstNodeUtils.java

License:Open Source License

/**
 * @param node//from   w w  w .ja  v a  2  s.  c  om
 *          the {@link ASTNode} that represents should be qualifier of field.
 * 
 * @return the {@link Expression} ({@link QualifiedName} or {@link FieldAccess}) used as left side
 *         of {@link Assignment} to some field. May return <code>null</code>, if given node is not
 *         left part of {@link Assignment}.
 */
public static Expression getFieldAssignment(ASTNode node) {
    // FieldAccess = value
    if (node.getLocationInParent() == FieldAccess.EXPRESSION_PROPERTY) {
        FieldAccess fieldAccess = (FieldAccess) node.getParent();
        if (fieldAccess.getLocationInParent() == Assignment.LEFT_HAND_SIDE_PROPERTY) {
            return fieldAccess;
        }
    }
    // QualifiedName = value
    if (node.getLocationInParent() == QualifiedName.QUALIFIER_PROPERTY) {
        QualifiedName qualifiedName = (QualifiedName) node.getParent();
        if (qualifiedName.getLocationInParent() == Assignment.LEFT_HAND_SIDE_PROPERTY) {
            return qualifiedName;
        }
    }
    // not an Assignment part
    return null;
}

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