diff options
Diffstat (limited to 'jsf/plugins/org.eclipse.jst.jsf.core/src/org/eclipse/jst/jsf/core/internal/jsflibraryregistry/adapter/MaintainDefaultImplementationAdapter.java')
-rw-r--r-- | jsf/plugins/org.eclipse.jst.jsf.core/src/org/eclipse/jst/jsf/core/internal/jsflibraryregistry/adapter/MaintainDefaultImplementationAdapter.java | 148 |
1 files changed, 0 insertions, 148 deletions
diff --git a/jsf/plugins/org.eclipse.jst.jsf.core/src/org/eclipse/jst/jsf/core/internal/jsflibraryregistry/adapter/MaintainDefaultImplementationAdapter.java b/jsf/plugins/org.eclipse.jst.jsf.core/src/org/eclipse/jst/jsf/core/internal/jsflibraryregistry/adapter/MaintainDefaultImplementationAdapter.java deleted file mode 100644 index eb3ff119c..000000000 --- a/jsf/plugins/org.eclipse.jst.jsf.core/src/org/eclipse/jst/jsf/core/internal/jsflibraryregistry/adapter/MaintainDefaultImplementationAdapter.java +++ /dev/null @@ -1,148 +0,0 @@ -/******************************************************************************* - * Copyright (c) 2005 Oracle Corporation. - * 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: - * Ian Trimble - initial API and implementation - *******************************************************************************/ -package org.eclipse.jst.jsf.core.internal.jsflibraryregistry.adapter; - -import org.eclipse.emf.common.notify.Notification; -import org.eclipse.emf.common.notify.impl.AdapterImpl; -import org.eclipse.emf.common.util.EList; -import org.eclipse.jst.jsf.core.internal.jsflibraryconfig.JSFLibraryRegistryUtil; -import org.eclipse.jst.jsf.core.internal.jsflibraryregistry.JSFLibrary; -import org.eclipse.jst.jsf.core.internal.jsflibraryregistry.JSFLibraryRegistry; -import org.eclipse.jst.jsf.core.internal.jsflibraryregistry.JSFLibraryRegistryPackage; - -/** - * EMF adapter that attempts to always maintain a default implementation - * JSFLibrary upon addition and removal of JSFLibrary instances and upon - * changing of a JSFLibrary instance's implementation property. - * - * @author Ian Trimble - Oracle - * @deprecated - */ -public class MaintainDefaultImplementationAdapter extends AdapterImpl { - - private static MaintainDefaultImplementationAdapter INSTANCE = - new MaintainDefaultImplementationAdapter(); - - /** - * Gets the single instance of this adapter. - * - * @return The single instance of this adapter. - */ - public static MaintainDefaultImplementationAdapter getInstance() { - return INSTANCE; - } - - /** - * Called to notify this adapter that a change has occured. - * - * @param notification EMF Notification instance - */ - public void notifyChanged(Notification notification) { - Object objNotifier = notification.getNotifier(); - if (objNotifier instanceof JSFLibraryRegistry) { - int eventType = notification.getEventType(); - switch (eventType) { - case Notification.ADD: - Object objNewValue = notification.getNewValue(); - if (objNewValue instanceof JSFLibrary) { - libraryAdded((JSFLibrary)objNewValue); - } - break; - case Notification.REMOVE: - Object objOldValue = notification.getOldValue(); - if (objOldValue instanceof JSFLibrary) { - libraryRemoved((JSFLibrary)objOldValue); - } - break; - } - } else if (objNotifier instanceof JSFLibrary) { - if (notification.getFeatureID(JSFLibrary.class) == JSFLibraryRegistryPackage.JSF_LIBRARY__IMPLEMENTATION) { - implementationFlagSet((JSFLibrary)objNotifier); - } - } - } - - /** - * Checks if the library added is an implementation and, if so, makes it - * the default implementation if it is the only implementation. - * - * @param library JSFLibrary instance - */ - protected void libraryAdded(JSFLibrary library) { - if (library != null && library.isImplementation()) { - JSFLibraryRegistry jsfLibReg = JSFLibraryRegistryUtil.getInstance().getJSFLibraryRegistry(); - EList impls = jsfLibReg.getImplJSFLibraries(); - if (impls.size() == 1) { - jsfLibReg.setDefaultImplementation(library); - } - } - } - - /** - * Checks if the library removed is the default implementation and, if so, - * makes the first remaining implementation the new default or nulls out - * the default implementation if no other implementation remains. - * - * @param library JSFLibrary instance - */ - protected void libraryRemoved(JSFLibrary library) { - if (library != null && library.isImplementation()) { - JSFLibraryRegistry jsfLibReg = JSFLibraryRegistryUtil.getInstance().getJSFLibraryRegistry(); - JSFLibrary defaultImpl = jsfLibReg.getDefaultImplementation(); - if (defaultImpl == null || library.getID().equals(defaultImpl.getID())) { - setNewDefaultImplementation(); - } - } - } - - /** - * Checks if the implementation flag of the JSFLibrary has been changed - * such that it is now eligible to become the default implementation or - * such that it is no longer eligible as the default implementation and - * sets the default implementation appropriately. Note that the passed - * JSFLibrary instance must have been added to the model before calling - * this method for it to have any effect. - * - * @param library JSFLibrary instance - */ - private void implementationFlagSet(JSFLibrary library) { - JSFLibraryRegistry jsfLibReg = JSFLibraryRegistryUtil.getInstance().getJSFLibraryRegistry(); - if (jsfLibReg != null) { - JSFLibrary defaultImpl = jsfLibReg.getDefaultImplementation(); - if ( - library.isImplementation() && - defaultImpl == null - ) { - jsfLibReg.setDefaultImplementation(library); - } else if ( - !library.isImplementation() && - (defaultImpl != null && library.getID().equals(defaultImpl.getID()))) - { - setNewDefaultImplementation(); - } - } - } - - /** - * Sets the first available JSFLibrary marked as an implementation as the - * default implementation or sets the default implementation to null if no - * JSFLibrary is marked as an implementation. - */ - protected void setNewDefaultImplementation() { - JSFLibraryRegistry jsfLibReg = JSFLibraryRegistryUtil.getInstance().getJSFLibraryRegistry(); - EList impls = jsfLibReg.getImplJSFLibraries(); - if (impls.size() > 0) { - jsfLibReg.setDefaultImplementation((JSFLibrary)impls.get(0)); - } else { - jsfLibReg.setDefaultImplementation(null); - } - } -} |