Example usage for org.eclipse.jdt.core IParent hasChildren

Introduction

In this page you can find the example usage for org.eclipse.jdt.core IParent hasChildren.

Prototype

boolean hasChildren() throws JavaModelException;

Source Link

Document

Returns whether this element has one or more immediate children.

Usage

From source file:edu.brown.cs.bubbles.bedrock.BedrockEditor.java

License:Open Source License

private IJavaElement findElementForKey(IJavaElement elt, String key) {
    if (key.equals(elt.getHandleIdentifier()))
        return elt;

    if (elt instanceof IParent) {
        IParent ip = (IParent) elt;
        try {//w ww .  ja  v a 2s .c  o m
            if (ip.hasChildren()) {
                for (IJavaElement je : ip.getChildren()) {
                    IJavaElement re = findElementForKey(je, key);
                    if (re != null)
                        return re;
                }
            }
        } catch (JavaModelException e) {
        }
    }

    return null;
}

---

From source file:edu.brown.cs.bubbles.bedrock.BedrockEditor.java

License:Open Source License

/********************************************************************************/

// This shouldn't be needed since edits in a window should also be made in the default
// buffer and hence in the actual compilation unit that would be reported

void getActiveElements(IJavaElement root, List<IJavaElement> rslt) {
    switch (root.getElementType()) {
    case IJavaElement.ANNOTATION:
    case IJavaElement.CLASS_FILE:
    case IJavaElement.FIELD:
    case IJavaElement.IMPORT_CONTAINER:
    case IJavaElement.IMPORT_DECLARATION:
    case IJavaElement.INITIALIZER:
    case IJavaElement.JAVA_MODEL:
    case IJavaElement.LOCAL_VARIABLE:
    case IJavaElement.METHOD:
    case IJavaElement.PACKAGE_DECLARATION:
    case IJavaElement.TYPE:
    case IJavaElement.TYPE_PARAMETER:
    default://ww w  .  j ava  2  s.  c  o  m
        break;
    case IJavaElement.PACKAGE_FRAGMENT_ROOT:
        IPackageFragmentRoot pfr = (IPackageFragmentRoot) root;
        try {
            if (pfr.getKind() == IPackageFragmentRoot.K_SOURCE && pfr.hasChildren()) {
                IJavaElement[] chld = pfr.getChildren();
                for (IJavaElement c : chld)
                    getActiveElements(c, rslt);
            }
        } catch (JavaModelException e) {
        }
        break;
    case IJavaElement.JAVA_PROJECT:
    case IJavaElement.PACKAGE_FRAGMENT:
        IParent par = (IParent) root;
        try {
            if (par.hasChildren()) {
                IJavaElement[] chld = par.getChildren();
                for (IJavaElement c : chld)
                    getActiveElements(c, rslt);
            }
        } catch (JavaModelException e) {
        }
        break;
    case IJavaElement.COMPILATION_UNIT:
        ICompilationUnit cu = (ICompilationUnit) root;
        IProject ip = cu.getJavaProject().getProject();
        File f = BedrockUtil.getFileForPath(cu.getPath(), ip);
        String fnm = f.getPath();
        FileData fd = file_map.get(fnm);
        if (fd == null)
            rslt.add(cu);
        else {
            rslt.add(fd.getSearchUnit());
        }
        break;
    }
}

---

From source file:edu.brown.cs.bubbles.bedrock.BedrockEditor.java

License:Open Source License

void getWorkingElements(IJavaElement root, List<ICompilationUnit> rslt) {
    switch (root.getElementType()) {
    case IJavaElement.ANNOTATION:
    case IJavaElement.CLASS_FILE:
    case IJavaElement.FIELD:
    case IJavaElement.IMPORT_CONTAINER:
    case IJavaElement.IMPORT_DECLARATION:
    case IJavaElement.INITIALIZER:
    case IJavaElement.JAVA_MODEL:
    case IJavaElement.LOCAL_VARIABLE:
    case IJavaElement.METHOD:
    case IJavaElement.PACKAGE_DECLARATION:
    case IJavaElement.TYPE:
    case IJavaElement.TYPE_PARAMETER:
    default://from   w ww.j  a v a  2 s. com
        break;
    case IJavaElement.PACKAGE_FRAGMENT_ROOT:
        IPackageFragmentRoot pfr = (IPackageFragmentRoot) root;
        try {
            if (pfr.getKind() == IPackageFragmentRoot.K_SOURCE && pfr.hasChildren()) {
                IJavaElement[] chld = pfr.getChildren();
                for (IJavaElement c : chld)
                    getWorkingElements(c, rslt);
            }
        } catch (JavaModelException e) {
        }
        break;
    case IJavaElement.JAVA_PROJECT:
    case IJavaElement.PACKAGE_FRAGMENT:
        IParent par = (IParent) root;
        try {
            if (par.hasChildren()) {
                IJavaElement[] chld = par.getChildren();
                for (IJavaElement c : chld)
                    getWorkingElements(c, rslt);
            }
        } catch (JavaModelException e) {
        }
        break;
    case IJavaElement.COMPILATION_UNIT:
        ICompilationUnit cu = (ICompilationUnit) root;
        IProject ip = cu.getJavaProject().getProject();
        File f = BedrockUtil.getFileForPath(cu.getPath(), ip);
        String fnm = f.getPath();
        FileData fd = file_map.get(fnm);
        if (fd != null) {
            rslt.add(fd.getEditableUnit(null));
        }
        break;
    }
}

---

From source file:edu.brown.cs.bubbles.bedrock.BedrockEditor.java

License:Open Source License

void getCompilationElements(IJavaElement root, List<ICompilationUnit> rslt) {
    switch (root.getElementType()) {
    case IJavaElement.ANNOTATION:
    case IJavaElement.CLASS_FILE:
    case IJavaElement.FIELD:
    case IJavaElement.IMPORT_CONTAINER:
    case IJavaElement.IMPORT_DECLARATION:
    case IJavaElement.INITIALIZER:
    case IJavaElement.JAVA_MODEL:
    case IJavaElement.LOCAL_VARIABLE:
    case IJavaElement.METHOD:
    case IJavaElement.PACKAGE_DECLARATION:
    case IJavaElement.TYPE:
    case IJavaElement.TYPE_PARAMETER:
    default:/*from  www  . j a  v  a  2 s.c o  m*/
        break;
    case IJavaElement.PACKAGE_FRAGMENT_ROOT:
        IPackageFragmentRoot pfr = (IPackageFragmentRoot) root;
        try {
            if (pfr.getKind() == IPackageFragmentRoot.K_SOURCE && pfr.hasChildren()) {
                IJavaElement[] chld = pfr.getChildren();
                for (IJavaElement c : chld)
                    getCompilationElements(c, rslt);
            }
        } catch (JavaModelException e) {
        }
        break;
    case IJavaElement.JAVA_PROJECT:
    case IJavaElement.PACKAGE_FRAGMENT:
        IParent par = (IParent) root;
        try {
            if (par.hasChildren()) {
                IJavaElement[] chld = par.getChildren();
                for (IJavaElement c : chld)
                    getCompilationElements(c, rslt);
            }
        } catch (JavaModelException e) {
        }
        break;
    case IJavaElement.COMPILATION_UNIT:
        ICompilationUnit cu = (ICompilationUnit) root;
        IProject ip = cu.getJavaProject().getProject();
        File f = BedrockUtil.getFileForPath(cu.getPath(), ip);
        String fnm = f.getPath();
        FileData fd = file_map.get(fnm);
        if (fd != null) {
            rslt.add(fd.getEditableUnit(null));
        } else
            rslt.add(cu);
        break;
    }
}

---

From source file:edu.cmu.cs.crystal.internal.WorkspaceUtilities.java

License:Open Source License

/**
 * A recursive traversal of the IJavaModel starting from the given
 * element to collect all ICompilationUnits.
 * Each compilation unit corresponds to each java file.
 *  /*from   w ww . j  a  v a2 s.  c om*/
 * @param javaElement a node in the IJavaModel that will be traversed
 * @return a list of compilation units or <code>null</code> if no comp units are found
 */
public static List<ICompilationUnit> collectCompilationUnits(IJavaElement javaElement) {
    List<ICompilationUnit> list = null, temp = null;
    // We are traversing the JavaModel for COMPILATION_UNITs
    if (javaElement.getElementType() == IJavaElement.COMPILATION_UNIT) {
        list = new ArrayList<ICompilationUnit>();
        list.add((ICompilationUnit) javaElement);
        return list;
    }

    // Non COMPILATION_UNITs will have to be further traversed
    if (javaElement instanceof IParent) {
        IParent parent = (IParent) javaElement;

        // Do not traverse PACKAGE_FRAGMENT_ROOTs that are ReadOnly
        // this ignores libraries and .class files
        if (javaElement.getElementType() == IJavaElement.PACKAGE_FRAGMENT_ROOT && javaElement.isReadOnly()) {
            return null;
        }

        // Traverse
        try {
            if (parent.hasChildren()) {
                IJavaElement[] children = parent.getChildren();
                for (int i = 0; i < children.length; i++) {
                    temp = collectCompilationUnits(children[i]);
                    if (temp != null)
                        if (list == null)
                            list = temp;
                        else
                            list.addAll(temp);
                }
            }
        } catch (JavaModelException jme) {
            log.log(Level.SEVERE, "Problem traversing Java model element: " + parent, jme);
        }
    } else {
        log.warning("Encountered a model element that's not a comp unit or parent: " + javaElement);
    }

    return list;
}

---

From source file:org.eclipse.ocl.xtext.oclstdlib.scoping.JavaClassScope.java

License:Open Source License

private void scanJavaElements(IJavaElement[] elements, Set<String> classNames) {
    for (IJavaElement element : elements) {
        //         System.out.println(getClass().getSimpleName() + " : " + element);
        if (element instanceof IType) {
            IType iType = (IType) element;
            classNames.add(iType.getFullyQualifiedName());
            try {
                if (iType.hasChildren()) {
                    scanJavaElements(iType.getChildren(), classNames);
                }/*from  w w w . ja v  a  2  s. c o m*/
            } catch (JavaModelException e) {
            }
        } else if ((element instanceof IParent) && !(element instanceof IMember)) {
            try {
                IParent iParent = (IParent) element;
                if (iParent.hasChildren()) {
                    scanJavaElements(iParent.getChildren(), classNames);
                }
            } catch (JavaModelException e) {
            }
        }
    }
}

---