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

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

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Introduction

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

Prototype

IJavaElement getAncestor(int ancestorType);

Source Link

Document

Returns this Java element or the first ancestor of this element that has the given type.

Usage

From source file:net.sourceforge.metrics.calculators.RMartinCouplings.java

License:Open Source License

/**
 * Create a search scope consisting of all source packages in the element's project and all referencing projects. Exclude the element itself. This results in a DRAMATIC performance increase over SearchEngine.createWorkspaceScope().,...
 * /*www  .  jav  a  2 s  . com*/
 * @param element
 * @return IJavaSearchScope
 */
private IJavaSearchScope createProjectSearchScope(IJavaElement element) throws JavaModelException {
    IJavaProject p = (IJavaProject) element.getAncestor(IJavaElement.JAVA_PROJECT);
    List<IPackageFragment> scopeElements = new ArrayList<IPackageFragment>();
    addPackagesInScope(p, scopeElements);
    // find referencing projects and add their packages if any
    IProject[] refProjects = p.getProject().getReferencingProjects();
    if ((refProjects != null) && (refProjects.length > 0)) {
        for (IProject refProject : refProjects) {
            IJavaProject next = JavaCore.create(refProject);
            if (next != null) {
                addPackagesInScope(next, scopeElements);
            }
        }
    }
    // don't include the package under investigation!
    scopeElements.remove(element);
    return SearchEngine.createJavaSearchScope(scopeElements.toArray(new IJavaElement[] {}));
}

From source file:net.sourceforge.metrics.core.sources.AbstractMetricSource.java

License:Open Source License

/**
 * get the ICompilationUnit for the source
 * //from w w w  .j ava2 s . com
 * @return ICompilationUnit
 */
public ICompilationUnit getCompilationUnit() {
    IJavaElement input = getJavaElement();
    if (input.getElementType() == IJavaElement.COMPILATION_UNIT) {
        return (ICompilationUnit) input;
    } /* else { */
    return (ICompilationUnit) input.getAncestor(IJavaElement.COMPILATION_UNIT);
    /* } */
}

From source file:net.sourceforge.metrics.core.sources.AbstractMetricSource.java

License:Open Source License

/**
 * get the original compilation unit for the given IJavaElement. If the compilation unit turns out to be a WorkingCopy this method returns its original source compilation unit
 * /*  w  w  w. ja  va 2 s  . c o  m*/
 * @param input
 * @return ICompilationUnit
 */
public static ICompilationUnit getOriginalCompilationUnit(IJavaElement input) {

    return (ICompilationUnit) input.getAncestor(IJavaElement.COMPILATION_UNIT);
}

From source file:net.sourceforge.metrics.core.sources.Cache.java

License:Open Source License

/**
 * @param element/*from w  ww  . java2s.c om*/
 * @return
 */
private String getProjectName(IJavaElement element) {
    if (element.getElementType() == IJavaElement.JAVA_PROJECT) {
        return element.getElementName();
    } /* else { */
    IJavaElement p = element.getAncestor(IJavaElement.JAVA_PROJECT);
    return p.getElementName();
    /* } */
}

From source file:net.sourceforge.metrics.core.sources.Dispatcher.java

License:Open Source License

/**
 * Get the AbstractMetricSource for the given IJavaElement from cache or create a new one and have it calculate the metrics.
 * //from  w ww .j  av  a 2  s. c o  m
 * @param input
 * @return AbstractMetricSource
 */
public static AbstractMetricSource calculateAbstractMetricSource(IJavaElement input) {
    AbstractMetricSource m = getAbstractMetricSource(input);
    if (m == null) {
        IJavaElement calculate = input;
        // calculate from COMPILATION_UNIT down if type or method
        if (input.getElementType() > IJavaElement.COMPILATION_UNIT) {
            calculate = input.getAncestor(IJavaElement.COMPILATION_UNIT);
        }
        m = singleton.createNewSource(calculate);
        m.setJavaElement(calculate);
        m.recurse(null);
        // should be in cache now
        m = Cache.singleton.get(input);
    }
    return m;
}

From source file:net.sourceforge.metrics.internal.xml.MetricsFirstExporter.java

License:Open Source License

/**
 * @param values/*from  ww  w .j  a va  2  s  .c o  m*/
 * @param id
 * @param pOut
 */
private void printValues(List<AbstractMetricSource> values, final String id, XMLPrintStream pOut,
        MetricDescriptor md, NumberFormat nf) {
    // sort values first
    Collections.sort(values, new Comparator<AbstractMetricSource>() {

        public int compare(AbstractMetricSource left, AbstractMetricSource right) {
            Metric lm = left.getValue(id);
            Metric rm = right.getValue(id);
            int result;
            if (lm == null) { // BUG #826997
                result = (rm == null) ? 0 : -1;
            } else {
                result = -lm.compareTo(rm); // BUG 746394
            }
            if (result != 0) {
                return result;
            }
            return left.getHandle().compareTo(right.getHandle());
        }

    });
    for (AbstractMetricSource next : values) {
        IJavaElement element = next.getJavaElement();
        Metric val = next.getValue(id);
        if (val != null) {
            pOut.indent(3);
            pOut.print("<Value name=\"");
            pOut.print(getName(element));
            pOut.print("\" ");
            IJavaElement source = element.getAncestor(IJavaElement.COMPILATION_UNIT);
            if (source != null) {
                pOut.print("source =\"");
                pOut.print(getName(source));
                pOut.print("\" ");
            }
            IJavaElement packageF = element.getAncestor(IJavaElement.PACKAGE_FRAGMENT);
            if (packageF != null) {
                pOut.print("package =\"");
                pOut.print(getName(packageF));
                pOut.print("\" ");
            }
            pOut.print("value =\"");
            pOut.print(nf.format(val.doubleValue()));
            pOut.print("\"");
            if (!md.isValueInRange(val.doubleValue())) {
                pOut.print(" inrange=\"false\"");
            }
            pOut.println("/>");
        }
    }
}

From source file:net.sourceforge.metrics.internal.xml.MetricsFirstExporter.java

License:Open Source License

protected String buildName(IJavaElement element) {
    String l_return = element.getElementName();
    if (element instanceof IType) {
        IJavaElement container = element.getParent();
        if (container != null && container.getAncestor(IJavaElement.TYPE) != null) {
            l_return = buildParentTypeNamePart(element);
        }/*from w  ww.jav  a 2  s . c  o  m*/
    } else if (element instanceof IMethod) {
        IJavaElement container = element.getAncestor(IJavaElement.TYPE);
        if (container != null && container.getParent() != null
                && container.getParent().getAncestor(IJavaElement.TYPE) != null) {
            l_return = buildParentTypeNamePart(container) + "#" + element.getElementName();
        }
    }
    return l_return;
}

From source file:net.sourceforge.metrics.internal.xml.MetricsFirstExporter.java

License:Open Source License

protected String buildParentTypeNamePart(IJavaElement element) {
    StringBuffer l_strBuffer = new StringBuffer(getNotBlankName(element.getElementName(), element));
    IJavaElement l_current = element.getParent().getAncestor(IJavaElement.TYPE);
    while (l_current != null) {
        l_strBuffer.insert(0, '.');
        l_strBuffer.insert(0, getNotBlankName(l_current.getElementName(), l_current));
        l_current = l_current.getParent();
        if (l_current != null) {
            l_current = l_current.getAncestor(IJavaElement.TYPE);
        }// ww  w .j  a  va  2s . c o m
    }
    return l_strBuffer.toString();
}

From source file:net.sourceforge.metrics.ui.dependencies.EclipseNode.java

License:Open Source License

private void openInEditor() {
    Display d = Display.getDefault();//w  w w . j  a v  a  2 s.  co  m
    d.asyncExec(new Runnable() {

        public void run() {
            try {
                IJavaElement element = JavaCore.create(getID());
                ICompilationUnit cu = (ICompilationUnit) element.getAncestor(IJavaElement.COMPILATION_UNIT);
                IEditorPart javaEditor = JavaUI.openInEditor(cu);
                JavaUI.revealInEditor(javaEditor, element);
            } catch (PartInitException e) {
                Log.logError("Node.openInEditor", e);
            } catch (JavaModelException e) {
                Log.logError("Node.openInEditor", e);
            }
        }
    });
}

From source file:org.codecover.eclipse.utils.EclipseMASTLinkage.java

License:Open Source License

/**
 * Find the corresponding CodeCover MAST HierarchyLevel to the given
 * Eclipse Java Element./*from  w  ww.j  a  va2s  .c  om*/
 * 
 * @param code
 *   root of code (MAST) to search
 * @param element
 *   search key
 * @return
 *   the HierarchyLevel of <i>element</i>, null if not found
 */
public static HierarchyLevel findSource(HierarchyLevel code, IJavaElement element) {
    HierarchyLevel result = null; //null until element is found

    /* check input */
    if (code == null) {
        throw new IllegalArgumentException("code is null"); //$NON-NLS-1$
    }
    if (element == null) {
        throw new IllegalArgumentException("element is null"); //$NON-NLS-1$
    }

    /* get corresponding ICompilationUnit */
    ICompilationUnit compilationUnit;
    if (element.getElementType() == IJavaElement.COMPILATION_UNIT) {
        compilationUnit = (ICompilationUnit) element;
    } else {
        compilationUnit = (ICompilationUnit) element.getAncestor(IJavaElement.COMPILATION_UNIT);
    }

    if (compilationUnit != null) {

        /* Extract fully qualified class name with its package */
        String fileName = compilationUnit.getElementName();
        String className = fileName.split("\\.")[0]; //$NON-NLS-1$
        IPackageFragment pkgF = (IPackageFragment) compilationUnit.getAncestor(IJavaElement.PACKAGE_FRAGMENT);
        if (pkgF != null) {
            String path[];
            if (pkgF.getElementName().equals("")) { //$NON-NLS-1$
                path = new String[] { className };
            } else {
                className = pkgF.getElementName() + "." + className; //$NON-NLS-1$
                path = className.split("\\."); //$NON-NLS-1$
            }

            /* find HierarchyLevel for the class by name */
            HierarchyLevel current = code;
            boolean found = true;

            for (int i = 0; i < path.length && found; ++i) {
                found = false;

                /* find next HierarchyLevel in path */
                for (HierarchyLevel l : current.getChildren()) {
                    if (l.getName().equals(path[i])) {
                        current = l;
                        found = true;
                        break;
                    }
                }
            }
            if (found) {

                /* the whole path was successfully traversed */
                result = current;
            }
        }
    }

    return result;
}