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/* *******************************************************************
* Copyright (c) 1999-2001 Xerox Corporation,
* 2002 Palo Alto Research Center, Incorporated (PARC).
* All rights reserved.
* This program and the accompanying materials are made available
* under the terms of the Eclipse Public License v 2.0
* which accompanies this distribution and is available at
* https://www.eclipse.org/org/documents/epl-2.0/EPL-2.0.txt
*
* Contributors:
* Xerox/PARC initial implementation
* ******************************************************************/
package org.aspectj.ajde.ui.internal;
import java.util.ArrayList;
import java.util.Collections;
import java.util.Comparator;
import java.util.Iterator;
import java.util.List;
import org.aspectj.ajde.ui.FileStructureView;
import org.aspectj.ajde.ui.GlobalStructureView;
import org.aspectj.ajde.ui.IStructureViewNode;
import org.aspectj.ajde.ui.StructureView;
import org.aspectj.ajde.ui.StructureViewNodeFactory;
import org.aspectj.ajde.ui.StructureViewProperties;
//import org.aspectj.asm.internal.*;
//import org.aspectj.asm.internal.ProgramElement;
import org.aspectj.asm.IHierarchy;
import org.aspectj.asm.IProgramElement;
/**
* @author Mik Kersten
*/
public class TreeStructureViewBuilder {
private StructureViewNodeFactory nodeFactory;
public TreeStructureViewBuilder(StructureViewNodeFactory nodeFactory) {
this.nodeFactory = nodeFactory;
}
/**
* TODO: get rid of instanceof tests
*/
public void buildView(StructureView view, IHierarchy model) {
// StructureViewProperties properties = view.getViewProperties();
IProgramElement modelRoot = null;
// boolean noStructure = false;
if (isFileView(view)) {
FileStructureView fileView = (FileStructureView)view;
if (fileView.getSourceFile() == null) {
modelRoot = IHierarchy.NO_STRUCTURE;
// noStructure = true;
} else {
modelRoot = model.findElementForSourceFile(fileView.getSourceFile());
}
} else {
modelRoot = model.getRoot();
}
IStructureViewNode viewRoot = null;
if (!isFileView(view)) {
StructureViewProperties.Hierarchy hierarchy
= ((GlobalStructureView)view).getGlobalViewProperties().getHierarchy();
if (hierarchy.equals(StructureViewProperties.Hierarchy.CROSSCUTTING)
|| hierarchy.equals(StructureViewProperties.Hierarchy.INHERITANCE)) {
viewRoot = buildCustomTree((GlobalStructureView)view, model);
}
}
if (viewRoot == null) {
viewRoot = createViewNode(modelRoot, view.getViewProperties());//modelRoot;
}
if (view.getViewProperties().getSorting() == StructureViewProperties.Sorting.ALPHABETICAL
|| (!isFileView(view) &&
((GlobalStructureView)view).getGlobalViewProperties().getHierarchy().equals(StructureViewProperties.Hierarchy.DECLARATION))) {
sortView(viewRoot, ALPHABETICAL_COMPARATOR);
} else {
sortView(viewRoot, DECLARATIONAL_COMPARATOR);
}
addPackageNode(view, viewRoot);
view.setRootNode(viewRoot);
}
private void addPackageNode(StructureView view, IStructureViewNode viewRoot) {
if (isFileView(view)) {
// IProgramElement fileNode = viewRoot.getStructureNode();
// IProgramElement parentNode = fileNode.getParent();
//
// if (parentNode.getKind() == IProgramElement.Kind.PACKAGE) {
// String name = parentNode.getName();
// IProgramElement packageNode = new ProgramElement(name, IProgramElement.Kind.PACKAGE, null);
// packageNode.setSourceLocation(fileNode.getSourceLocation());
// StructureViewNode packageViewNode = createViewNode(
// packageNode,
// view.getViewProperties()
// );
// viewRoot.getChildren().add(0, packageViewNode);
// };
}
}
private IStructureViewNode createViewNode(IProgramElement node, StructureViewProperties properties) {
if (node == null) return null;
List children = new ArrayList();
// IProgramElement pNode = node;
// if (node.getRelations() != null) {
// for (Iterator it = node.getRelations().iterator(); it.hasNext(); ) {
// IProgramElement IProgramElement = (IProgramElement)it.next();
// if (acceptNode(IProgramElement, properties)) {
// children.add(createViewNode(IProgramElement, properties));
// }
// }
// }
if (node.isRunnable() && node.getParent() != null) {
IProgramElement parent = node.getParent();
if (parent.getKind().equals(IProgramElement.Kind.CLASS)
|| parent.getKind().equals(IProgramElement.Kind.ASPECT)) {
parent.setRunnable(true);
node.setRunnable(false);
}
}
if (node.getChildren() != null) {
for (Object element : node.getChildren()) {
IProgramElement IProgramElement = (IProgramElement)element;
if (acceptNode(IProgramElement, properties)) {
children.add(createViewNode(IProgramElement, properties));
}
}
}
IStructureViewNode viewNode = nodeFactory.createNode(node, children);//new TreeViewNode(root, null, children);
return viewNode;
}
/**
* @todo get rid of this test, fix polymorphism
*/
private boolean isFileView(StructureView view) {
return view instanceof FileStructureView
&& !(view instanceof GlobalStructureView);
}
private boolean acceptGranularity(IProgramElement.Kind kind, StructureViewProperties.Granularity granularity) {
if (granularity == StructureViewProperties.Granularity.DECLARED_ELEMENTS) {
return true;
} else if (granularity == StructureViewProperties.Granularity.MEMBER &&
(kind != IProgramElement.Kind.CODE)) {
return true;
} else if (granularity == StructureViewProperties.Granularity.TYPE
&& (kind == IProgramElement.Kind.PROJECT
|| kind == IProgramElement.Kind.PACKAGE
|| kind.isSourceFile()
|| kind.isType())) {
return true;
} else if (granularity == StructureViewProperties.Granularity.FILE
&& (kind == IProgramElement.Kind.PROJECT
|| kind == IProgramElement.Kind.PACKAGE
|| kind.isSourceFile())) {
return true;
} else if (granularity == StructureViewProperties.Granularity.PACKAGE
&& (kind == IProgramElement.Kind.PROJECT
|| kind == IProgramElement.Kind.PACKAGE)) {
return true;
} else {
return false;
}
}
private boolean acceptNode(IProgramElement node, StructureViewProperties properties) {
if (node!=null) {
IProgramElement pNode = node;
if (!acceptGranularity(pNode.getKind(), properties.getGranularity())) {
return false;
} else if (pNode.getKind().isMember()) {
if (properties.getFilteredMemberAccessibility().contains(pNode.getAccessibility())) {
return false;
}
if (properties.getFilteredMemberKinds().contains(pNode.getKind())) {
return false;
}
for (Object element : pNode.getModifiers()) {
if (properties.getFilteredMemberModifiers().contains(element)) {
return false;
}
}
}
}
return true;
}
private void sortView(IStructureViewNode node, Comparator comparator) {
if (node == null || node.getChildren() == null) return;
node.getChildren().sort(comparator);
for (Object o : node.getChildren()) {
IStructureViewNode nextNode = (IStructureViewNode) o;
if (nextNode != null) sortView(nextNode, comparator);
}
}
private IStructureViewNode buildCustomTree(GlobalStructureView view, IHierarchy model) {
IProgramElement rootNode = model.getRoot();
IStructureViewNode treeNode = nodeFactory.createNode(rootNode);
List rootNodes = new ArrayList();
getRoots(rootNode, rootNodes, view.getGlobalViewProperties().getHierarchy());
for (Iterator it = rootNodes.iterator(); it.hasNext(); ) {
if (view.getGlobalViewProperties().getHierarchy().equals(StructureViewProperties.Hierarchy.CROSSCUTTING)) {
treeNode.add(getCrosscuttingChildren((IProgramElement)it.next()));
} else if (view.getGlobalViewProperties().getHierarchy().equals(StructureViewProperties.Hierarchy.INHERITANCE)) {
treeNode.add(getInheritanceChildren(
(IProgramElement)it.next(),
view.getViewProperties().getRelations())
);
}
}
return treeNode;
}
private void getRoots(IProgramElement rootNode, List roots, StructureViewProperties.Hierarchy hierarchy) {
// if (rootNode != null && rootNode.getChildren() != null) {
// for (Iterator it = rootNode.getChildren().iterator(); it.hasNext(); ) {
// IProgramElement node = (IProgramElement)it.next();
// if (node instanceof IProgramElement) {
// if (acceptNodeAsRoot((IProgramElement)node, hierarchy)) {
// IProgramElement pNode = (IProgramElement)node;
// List relations = pNode.getRelations();
// String delimiter = "";
// if (hierarchy.equals(StructureViewProperties.Hierarchy.CROSSCUTTING)) {
// delimiter = "uses pointcut";
// } else if (hierarchy.equals(StructureViewProperties.Hierarchy.INHERITANCE)) {
// delimiter = "inherits";
// }
// if (relations != null && relations.toString().indexOf(delimiter) == -1) {
// boolean found = false;
// for (Iterator it2 = roots.iterator(); it2.hasNext(); ) {
// if (((IProgramElement)it2.next()).equals(pNode)) found = true;
// }
// if (!found) roots.add(pNode);
// }
// }
// }
// getRoots(node, roots, hierarchy);
// }
// }
}
public boolean acceptNodeAsRoot(IProgramElement node, StructureViewProperties.Hierarchy hierarchy) {
if (hierarchy.equals(StructureViewProperties.Hierarchy.CROSSCUTTING)) {
return node.getKind().equals(IProgramElement.Kind.ADVICE)
|| node.getKind().equals(IProgramElement.Kind.POINTCUT);
} else if (hierarchy.equals(StructureViewProperties.Hierarchy.INHERITANCE)) {
return node.getKind().equals(IProgramElement.Kind.CLASS);
} else {
return false;
}
}
private IStructureViewNode getInheritanceChildren(IProgramElement node, List associations) {
// IStructureViewNode treeNode = nodeFactory.createNode(node);
// //StructureViewNode treeNode = new StructureViewNodeAdapter(node);
// List relations = ((IProgramElement)node).getRelations();
throw new RuntimeException("unimplemented");
// if (relations != null) {
// for (Iterator it = relations.iterator(); it.hasNext(); ) {
// IRelationship relation = (IRelationship)it.next();
// if (relation.getName().equals("is inherited by")) {
// for (Iterator it2 = relation.getTargets().iterator(); it2.hasNext(); ) {
//// IProgramElement pNode = ((LinkNode)it2.next()).getProgramElementNode();
//// StructureViewNode newNode = getInheritanceChildren(pNode, associations);
// StructureViewNode typeChildren = buildTree(newNode.getStructureNode(), associations);
// for (int i = 0; i < typeChildren.getChildren().size(); i++) {
// newNode.add((StructureViewNode)typeChildren.getChildren().get(i));
// }
// treeNode.add(newNode);
// }
// }
// }
// }
// return treeNode;
}
private IStructureViewNode getCrosscuttingChildren(IProgramElement node) {
//StructureViewNodeAdapter treeNode = new StructureViewNodeAdapter(node);
// IStructureViewNode treeNode = nodeFactory.createNode(node);
// List relations = ((IProgramElement)node).getRelations();
throw new RuntimeException("unimplemented");
// if (relations != null) {
// for (Iterator it = relations.iterator(); it.hasNext(); ) {
// IRelationship relation = (IRelationship)it.next();
// if (relation.getName().equals("pointcut used by")) {
// for (Iterator it2 = relation.getTargets().iterator(); it2.hasNext(); ) {
// IProgramElement pNode = ((LinkNode)it2.next()).getProgramElementNode();
// StructureViewNode newNode = getCrosscuttingChildren(pNode);
// for (Iterator it3 = pNode.getRelations().iterator(); it3.hasNext(); ) {
// IRelationship relationNode = (IRelation)it3.next();
// if (relationNode.getName().indexOf("pointcut") == -1) {
// newNode.add(getRelations(relationNode));
// }
// }
// treeNode.add(newNode);
// }
// } else if (relations.toString().indexOf("uses pointcut") == -1) {
// for (Iterator it4 = relations.iterator(); it4.hasNext(); ) {
// IRelation relationNode = (IRelationship)it4.next();
// if (relationNode.getName().indexOf("pointcut") == -1) {
// treeNode.add(getRelations(relationNode));
// }
// }
// }
// }
// }
// return treeNode;
}
// private IStructureViewNode buildTree(IProgramElement node, List associations) {
// //StructureViewNode treeNode = new StructureViewNodeAdapter(node);
// IStructureViewNode treeNode = nodeFactory.createNode(node);
//// if (node instanceof IProgramElement) {
// List relations = ((IProgramElement)node).getRelations();
// if (relations != null) {
// for (Iterator it = relations.iterator(); it.hasNext(); ) {
// IRelationship relationNode = (IRelationship)it.next();
// if (associations.contains(relationNode.toString())) {
// treeNode.add(buildTree(relationNode, associations));
// }
// }
// }
// }
// if (node != null) {
// List children = null;
// children = node.getChildren();
// if (children != null) {
// List childList = new ArrayList();
// for (Iterator itt = children.iterator(); itt.hasNext(); ) {
// IProgramElement child = (IProgramElement)itt.next();
// if (child instanceof IProgramElement) {
// IProgramElement progNode = (IProgramElement)child;
//// if (progNode.getKind() != IProgramElement.Kind.CODE) {
// childList.add(buildTree(child, associations));
//// }
// } else {
// childList.add(buildTree(child, associations));
// }
// }
// //sortNodes(childList);
// for (Iterator it = childList.iterator(); it.hasNext(); ) {
// treeNode.add((IStructureViewNode)it.next());
// }
// }
//
// }
// return treeNode;
// }
// private IStructureViewNode getRelations(IRelationship node) {
// return null;
// //StructureViewNode treeNode = new StructureViewNode(node);
//// IStructureViewNode treeNode = nodeFactory.c(node);
//// for (Iterator it = node.getTargets().iterator(); it.hasNext(); ) {
//// treeNode.add(
//// nodeFactory.createNode((IProgramElement)it.next())
//// );
//// }
//// return treeNode;
// }
//
// /**
// * For debugging only.
// */
// private void dumpView(IStructureViewNode root, int level) {
// System.out.println(root.getStructureNode());
// for (Iterator it = root.getChildren().iterator(); it.hasNext(); ) {
// dumpView((IStructureViewNode)it.next(), level++);
// }
// for (int i = 0; i < level; i++) {
// System.out.print(' ');
// }
// }
/**
* Does not sort imports alphabetically.
*/
private static final Comparator ALPHABETICAL_COMPARATOR = new Comparator() {
@Override
public int compare(IStructureViewNode o1, IStructureViewNode o2) {
IProgramElement sv1 = o1.getStructureNode();
IProgramElement sv2 = o2.getStructureNode();
if (sv1!=null && sv2!=null) {
if (sv2.getKind() == IProgramElement.Kind.IMPORT_REFERENCE) return 1;
if (sv1.getKind() == IProgramElement.Kind.IMPORT_REFERENCE) return -1;
return sv1.getName().compareTo(sv2.getName());
} else {
return 0;
}
}
};
private static final Comparator DECLARATIONAL_COMPARATOR = new Comparator() {
@Override
public int compare(IStructureViewNode o1, IStructureViewNode o2) {
IProgramElement sv1 = o1.getStructureNode();
IProgramElement sv2 = o2.getStructureNode();
if (sv1!=null && sv2!=null) {
if (sv2.getKind() == IProgramElement.Kind.IMPORT_REFERENCE) return 1;
if (sv1.getKind() == IProgramElement.Kind.IMPORT_REFERENCE) return -1;
if (sv1.getSourceLocation() == null || sv2.getSourceLocation() == null) {
return 0;
} else if (sv1.getSourceLocation().getLine() < sv2.getSourceLocation().getLine()) {
return -1;
} else {
return 1;
}
} else {
return 0;
}
}
};
}
// private boolean acceptNode(ProgramElementNode node) {
// return true;
// if (node.getKind().equals("package")) return true;
//
// if (node.getKind().equals("file")) {
// if (granularity == ViewProperties.Granularity.PACKAGE) {
// return false;
// } else {
// return true;
// }
// }
//
// if (node.getKind().equals("class") || node.getKind().equals("aspect") || node.getKind().equals("interface")) {
// if (granularity == ViewProperties.Granularity.FILE || granularity == ViewProperties.Granularity.PACKAGE) {
// return false;
// } else {
// return true;
// }
// }
//
// if (node.isMemberKind()) {
// if (granularity == ViewProperties.Granularity.MEMBER) {
// for (Iterator it = modifiers.iterator(); it.hasNext(); ) {
// if (node.getModifiers().contains((String)it.next())) return false;
// }
// for (Iterator it2 = visibility.iterator(); it2.hasNext(); ) {
// if (node.getAccessibility().equals((String)it2.next())) return false;
// }
// if (filteredMemberKinds.contains(node.getKind())) {
// return false;
// } else {
// return true;
// }
// } else {
// return false;
// }
// }
//
// if (node.isCode()) return false;
//
// return false;
// }
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