Example usage for org.eclipse.jdt.core IJavaElementDelta getCompilationUnitAST

Introduction

In this page you can find the example usage for org.eclipse.jdt.core IJavaElementDelta getCompilationUnitAST.

Prototype

public CompilationUnit getCompilationUnitAST();

Source Link

Document

Returns the compilation unit AST created by the last reconcile operation on this delta's element.

Usage

From source file:org.eclipse.jpt.jpa.core.internal.AbstractJpaProject.java

License:Open Source License

protected void processJavaCompilationUnitDelta(IJavaElementDelta delta) {
    if (javaCompilationUnitDeltaIsRelevant(delta)) {
        ICompilationUnit compilationUnit = (ICompilationUnit) delta.getElement();
        for (JavaResourceCompilationUnit jrcu : this.getCombinedJavaResourceCompilationUnits()) {
            if (jrcu.getCompilationUnit().equals(compilationUnit)) {
                CompilationUnit astRoot = delta.getCompilationUnitAST(); //this will be null for POST_CHANGE jdt events
                //I don't think we can guarantee hasResolvedBindings() is true, so check for this and don't pass it in if false.
                if (astRoot != null && astRoot.getAST().hasResolvedBindings()) {

                    jrcu.synchronizeWithJavaSource(astRoot);
                } else {
                    jrcu.synchronizeWithJavaSource();
                }//from  w  ww.  ja  v a  2 s  .c  om
                // TODO ? this.resolveJavaTypes();  // might have new member types now...
                break; // there *shouldn't* be any more...
            }
        }
    }
    // ignore the java compilation unit's children
}

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From source file:org.eclipse.recommenders.internal.rcp.CachingAstProvider.java

License:Open Source License

@Override
public void elementChanged(final ElementChangedEvent event) {
    final IJavaElementDelta delta = event.getDelta();
    final CompilationUnit ast = delta.getCompilationUnitAST();
    if (ast == null) {
        return;//from   w ww  .j a  va  2  s .  c o  m
    }
    final ICompilationUnit cu = cast(ast.getJavaElement());
    if (cu == null) {
        return;
    }
    cache.put(cu, ast);
}

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From source file:org.jboss.tools.ws.jaxrs.core.internal.metamodel.builder.JavaElementDeltaScanner.java

License:Open Source License

/**
 * Returns the {@link CompilationUnit} associated with the
 * {@link IJavaElement} of the given {@link IJavaElementDelta}.
 * /* w  w  w  .ja va 2  s .  c om*/
 * @param delta the given Java Element Delta
 * @return the associated Compilation Unit AST or null
 * @throws JavaModelException
 */
private CompilationUnit getCompilationUnitAST(final IJavaElementDelta delta) throws JavaModelException {
    CompilationUnit compilationUnitAST = null;
    final IJavaElement element = delta.getElement();
    compilationUnitAST = delta.getCompilationUnitAST();
    if (compilationUnitAST == null) {
        //compilationUnitAST = compilationUnitsRepository.getAST(compilationUnit);
        compilationUnitAST = JdtUtils.parse(element, new NullProgressMonitor());
    }
    return compilationUnitAST;
}

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