diff options
Diffstat (limited to 'plugins/org.eclipse.jem.workbench/workbench/org/eclipse/jem/internal/adapters/jdom/JavaReflectionSynchronizer.java')
| -rw-r--r-- | plugins/org.eclipse.jem.workbench/workbench/org/eclipse/jem/internal/adapters/jdom/JavaReflectionSynchronizer.java | 349 |
1 files changed, 0 insertions, 349 deletions
diff --git a/plugins/org.eclipse.jem.workbench/workbench/org/eclipse/jem/internal/adapters/jdom/JavaReflectionSynchronizer.java b/plugins/org.eclipse.jem.workbench/workbench/org/eclipse/jem/internal/adapters/jdom/JavaReflectionSynchronizer.java deleted file mode 100644 index 095250eba..000000000 --- a/plugins/org.eclipse.jem.workbench/workbench/org/eclipse/jem/internal/adapters/jdom/JavaReflectionSynchronizer.java +++ /dev/null @@ -1,349 +0,0 @@ -/******************************************************************************* - * Copyright (c) 2001, 2006 IBM Corporation and others. - * All rights reserved. This program and the accompanying materials - * are made available under the terms of the Eclipse Public License v1.0 - * which accompanies this distribution, and is available at - * http://www.eclipse.org/legal/epl-v10.html - * - * Contributors: - * IBM Corporation - initial API and implementation - *******************************************************************************/ -package org.eclipse.jem.internal.adapters.jdom; -/* - * $RCSfile: JavaReflectionSynchronizer.java,v $ - * $Revision: 1.15 $ $Date: 2006/05/17 20:13:58 $ - */ - -import java.util.ArrayList; -import java.util.List; -import java.util.logging.Level; - -import org.eclipse.emf.common.notify.Notification; -import org.eclipse.emf.common.notify.Notifier; -import org.eclipse.jdt.core.*; - -import org.eclipse.jem.internal.plugin.JavaPlugin; -import org.eclipse.jem.util.logger.proxy.Logger; -import org.eclipse.jem.workbench.utility.JavaModelListener; - -/** - * Insert the type's description here. - * Creation date: (11/1/2000 11:42:05 AM) - * @author: Administrator - */ -public class JavaReflectionSynchronizer extends JavaModelListener { - - protected JavaJDOMAdapterFactory fAdapterFactory; - - protected boolean flushedAll = false; - protected List flushTypes = new ArrayList(); - protected List flushTypePlusInner = new ArrayList(); - protected List notifications = new ArrayList(); - /** - * JavaReflectionSynchronizer constructor comment. - */ - public JavaReflectionSynchronizer(JavaJDOMAdapterFactory synchronizee) { - super(); - fAdapterFactory = synchronizee; - } - /* (non-Javadoc) - * @see org.eclipse.jem.internal.adapters.jdom.JavaModelListener#getJavaProject() - */ - protected IJavaProject getJavaProject() { - return getAdapterFactory().getJavaProject(); - } - /** - * Tell the reflection factory to flush the passed IType - */ - protected Notification doFlush(IType element) { - return getAdapterFactory().flushReflectionNoNotification(element.getFullyQualifiedName()); - } - - /* - * Flush the compilation unit and any inner classes since we don't if they may or may not of changed. - */ - protected Notification doFlush(ICompilationUnit element) { - return getAdapterFactory().flushReflectionPlusInnerNoNotification(getFullNameFromElement(element)); - } - - protected void flush(IType element) { - if (!flushTypes.contains(element)) - flushTypes.add(element); - } - /* - * flush the compilation unit. Since we don't know if inner classes may also - * of been affected, they to will be flushed. - */ - protected void flush(ICompilationUnit element) { - if (!flushTypePlusInner.contains(element)) - flushTypePlusInner.add(element); - } - protected void flushPackage(String packageName, boolean noFlushIfSourceFound) { - notifications.addAll(getAdapterFactory().flushPackageNoNotification(packageName, true)); - } - protected JavaJDOMAdapterFactory getAdapterFactory() { - return fAdapterFactory; - } - - /** - * Handle the change for a single element, children will be handled separately. - * - */ - protected void processJavaElementChanged(ICompilationUnit element, IJavaElementDelta delta) { - switch (delta.getKind()) { - case IJavaElementDelta.CHANGED : { - // A file save had occurred. It doesn't matter if currently working copy or not. - // It means something has changed to the file on disk, but don't know what. - if ((delta.getFlags() & IJavaElementDelta.F_PRIMARY_RESOURCE) != 0) { - flush(element); // Flush everything, including inner classes. - } else if ((delta.getFlags() & IJavaElementDelta.F_CONTENT) == 0 && - (delta.getFlags() & IJavaElementDelta.F_CHILDREN) != 0) //A type may have been added or removed. - processChildren(element, delta); - break; - } - case IJavaElementDelta.REMOVED : - case IJavaElementDelta.ADDED : - if (!element.isWorkingCopy()) - disAssociateSourcePlusInner(getFullNameFromElement(element)); - break; - } - } - - /** - * Handle the change for a single element, children will be handled separately. - * - */ - protected void processJavaElementChanged(IJavaProject element, IJavaElementDelta delta) { - if (isInClasspath(element)) { - if (delta.getKind() == IJavaElementDelta.REMOVED || (delta.getKind() == IJavaElementDelta.CHANGED && (delta.getFlags() & IJavaElementDelta.F_CLOSED) != 0)) { - if (element.equals(getAdapterFactory().getJavaProject())) - stopSynchronizer(); - else - flushAll(); //another dependent project has changed so flush all to be safe - return; - } else if (delta.getKind() == IJavaElementDelta.ADDED || isClasspathResourceChange(delta)) { - flushAll(); - return; - } - processChildren(element, delta); - } - } - /** - * Handle the change for a single element, children will be handled separately. - */ - protected void processJavaElementChanged(IClassFile element, IJavaElementDelta delta) { - int kind = delta.getKind(); - if (kind == IJavaElementDelta.REMOVED || kind == IJavaElementDelta.ADDED) { - // It doesn't matter if totally removed or just moved somewhere else, we will clear out and remove the - // adapter because there could be a rename which would be a different class. - // Currently the element is already deleted and there is no way to find the types in the unit to remove. - // So instead we ask factory to remove all it any that start with it plus for inner classes. - disAssociateSourcePlusInner(getFullNameFromElement(element)); - return; // Since the classfile was removed we don't need to process the children (actually the children list will be empty - } - IJavaElementDelta[] children = delta.getAffectedChildren(); - for (int ii = 0; ii < children.length; ii++) { - processDelta(children[ii]); - } - } - /** - * Handle the change for a single element, children will be handled separately. - * - */ - protected void processJavaElementChanged(IPackageFragmentRoot element, IJavaElementDelta delta) { - if (flushedAll) - return; - if (isClassPathChange(delta)) - flushAll(); - else - super.processJavaElementChanged(element, delta); - } - - /* - * We will force the flushing of all adaptors for the given package name. - * This is necessary if a type was reflected prior to the package existing or - * if the package is deleted. - * @see org.eclipse.jem.internal.adapters.jdom.JavaModelListener#processJavaElementChanged(org.eclipse.jdt.core.IPackageFragment, org.eclipse.jdt.core.IJavaElementDelta) - */ - protected void processJavaElementChanged(IPackageFragment element, IJavaElementDelta delta) { - switch (delta.getKind()) { - case IJavaElementDelta.ADDED : { - if (delta.getAffectedChildren().length == 0) - flushPackage(delta.getElement().getElementName(), true); - break; - } - case IJavaElementDelta.REMOVED :{ - if (delta.getAffectedChildren().length == 0) - getAdapterFactory().flushPackage(delta.getElement().getElementName(), false); - break; - } - default : - super.processJavaElementChanged(element, delta); - } - } - - /** - * Handle the change for a single element, children will be handled separately. - * - */ - protected void processJavaElementChanged(IType element, IJavaElementDelta delta) { - int kind = delta.getKind(); - if (kind == IJavaElementDelta.REMOVED || kind == IJavaElementDelta.ADDED) { - disAssociateSourcePlusInner(element.getFullyQualifiedName()); - } else { - flush(element); - processChildren(element, delta); - // Note, if a method element or a field was changed, there may be delta.getAffectedChildren() - // that will have to be processed if we are to update the JavaMethod/JavaField JDOMAdaptor s. - } - } - /** - * Given that an IType does not exists anymore, assume - * that the type's name is package.filename (without the .java) - * If we are wrong (if, then a rare case), we will flush. - * Next access will induce a reflection attempt. - * @deprecated This doesn't look like it is ever called. It someone else calls it, please contact development to see if right method to be called. - */ - protected void processRemoveOrAdd(ICompilationUnit element) { - disAssociateSource(getFullNameFromElement(element)); - } - - protected String getFullNameFromElement(ICompilationUnit cu) { - IType primary = cu.findPrimaryType(); - if (primary != null) - return primary.getFullyQualifiedName(); - else { - String filename = cu.getElementName(); - // Just strip off extension. There is actually a more complicated test for "java like extenstions" but JDT has that hidden\ - // so we will just guess and take off the extension. - int idx = filename.lastIndexOf('.'); - if (idx != -1) - filename = filename.substring(0, idx); - return ((IPackageFragment) cu.getParent()).getElementName()+'.'+filename; - } - } - - protected String getFullNameFromElement(IClassFile cf) { - try { - return cf.getType().getFullyQualifiedName(); - } catch (JavaModelException e) { - JavaPlugin.getDefault().getLogger().log(e, Level.WARNING); - String cfName = cf.getElementName(); - return cfName.substring(0, cfName.length()-(".class".length())); - } - } - - protected String getFullNameFromElement(IJavaElement element) { - String name = element.getElementName(); - if (element == null || name.length() <= 5 || !name.substring(name.length() - 5).equals(".java")) { //$NON-NLS-1$ - // Should not be here, - Logger logger = JavaPlugin.getDefault().getLogger(); - if (logger.isLoggingLevel(Level.FINE)) - logger.log("Invalid .java file: " + name, Level.FINE); //$NON-NLS-1$ - // Make a guess, at worst case, nothing will come out of this. - int index = name.lastIndexOf("."); //$NON-NLS-1$ - if (index >= 0) - name = name.substring(0, index) + ".java"; // rename the extension to .java //$NON-NLS-1$ - else - name = name + ".java"; //$NON-NLS-1$ - } - if (element.getParent().getElementName() == null || element.getParent().getElementName().length() == 0) - return name.substring(0, name.length() - 5); - else - return element.getParent().getElementName() + "." + name.substring(0, name.length() - 5); //$NON-NLS-1$ - } - /** - * Stop the synchronizer from listening to any more changes. - */ - public void stopSynchronizer() { - JavaCore.removeElementChangedListener(this); - } - /** - * @see org.eclipse.jem.internal.adapters.jdom.JavaModelListener#elementChanged(ElementChangedEvent) - */ - public void elementChanged(ElementChangedEvent event) { - try { - flushTypes.clear(); - flushTypePlusInner.clear(); - notifications.clear(); - super.elementChanged(event); - flushTypes(); - processNotifications(); - } finally { - flushedAll = false; - flushTypes.clear(); - flushTypePlusInner.clear(); - notifications.clear(); - } - } - /** - * - */ - private void flushTypes() { - if (!flushTypes.isEmpty()) { - IType type = null; - Notification not; - for (int i = 0; i < flushTypes.size(); i++) { - type = (IType) flushTypes.get(i); - not = doFlush(type); - if (not != null) - notifications.add(not); - } - } - if (!flushTypePlusInner.isEmpty()) { - ICompilationUnit unit = null; - Notification not; - for (int i = 0; i < flushTypePlusInner.size(); i++) { - unit = (ICompilationUnit) flushTypePlusInner.get(i); - not = doFlush(unit); - if (not != null) - notifications.add(not); - } - } - } - /** - * @param notifications - */ - private void processNotifications() { - Notifier notifier; - Notification not; - for (int i = 0; i < notifications.size(); i++) { - not = (Notification) notifications.get(i); - notifier = (Notifier) not.getNotifier(); - if (notifier != null) - try { - notifier.eNotify(not); - } catch (Exception e) { - JavaPlugin.getDefault().getLogger().log(e); //catch exceptions so all notifications are processed - } - } - } - protected void disAssociateSource(String qualifiedName) { - Notification not = getAdapterFactory().disAssociateSource(qualifiedName, false); - if (not != null) - notifications.add(not); - } - protected void disAssociateSourcePlusInner(String qualifiedName) { - Notification not = getAdapterFactory().disAssociateSourcePlusInner(qualifiedName, false); - if (not != null) - notifications.add(not); - } - protected void flushAll() { - notifications.addAll(getAdapterFactory().flushAllNoNotification()); - flushedAll = true; - } - /** - * @see org.eclipse.jem.internal.adapters.jdom.JavaModelListener#processChildren(IJavaElement, IJavaElementDelta) - */ - protected void processChildren(IJavaElement element, IJavaElementDelta delta) { - if (!flushedAll) - super.processChildren(element, delta); - } - /** - * @see org.eclipse.jem.internal.adapters.jdom.JavaModelListener#processDelta(IJavaElementDelta) - */ - public void processDelta(IJavaElementDelta delta) { - if (!flushedAll) - super.processDelta(delta); - } -} |