| /******************************************************************************* |
| * Copyright (c) 2002, 2008 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 |
| * Jens Lukowski/Innoopract - initial renaming/restructuring |
| * |
| *******************************************************************************/ |
| package org.eclipse.wst.xml.core.internal.contentmodel.modelquery.extension; |
| |
| import org.eclipse.wst.xml.core.internal.contentmodel.CMNode; |
| import org.w3c.dom.Element; |
| import org.w3c.dom.Node; |
| |
| public abstract class ModelQueryExtension |
| { |
| protected static final String[] EMPTY_STRING_ARRAY = {}; |
| protected static final CMNode[] EMPTY_CMNODE_ARRAY = {}; |
| |
| /** |
| * @param ownerElement - the owner element |
| * @param namespace - the active namespace |
| * @param name - the name of an attribute node |
| * @return valid values for the given attribute |
| */ |
| public String[] getAttributeValues(Element ownerElement, String namespace, String name) |
| { |
| return EMPTY_STRING_ARRAY; |
| } |
| |
| public String[] getElementValues(Node parentNode, String namespace, String name) |
| { |
| return EMPTY_STRING_ARRAY; |
| } |
| |
| /** |
| * @param parentNode |
| * @param namespace |
| * @param name |
| * @return whether a child element of the given parentNode is valid given the active namespace |
| */ |
| public boolean isApplicableChildElement(Node parentNode, String namespace, String name) |
| { |
| return true; |
| } |
| |
| /** |
| * @param parentElement - the parent Element when asking for children, the owner Element when asking for attributes |
| * @param namespace - the active namespace |
| * @param includeOptions - ModelQuery.INCLUDE_ATTRIBUTES or ModelQuery.INCLUDE_CHILD_NODES |
| * @return additional valid CMAttributeDeclarations or CMElementDeclarations |
| */ |
| public CMNode[] getAvailableElementContent(Element parentElement, String namespace, int includeOptions) |
| { |
| return EMPTY_CMNODE_ARRAY; |
| } |
| } |