diff options
Diffstat (limited to 'bundles/org.eclipse.wst.xml.core/src/org/eclipse/wst/xml/core/internal/provisional/contentmodel/NullContentModel.java')
-rw-r--r-- | bundles/org.eclipse.wst.xml.core/src/org/eclipse/wst/xml/core/internal/provisional/contentmodel/NullContentModel.java | 101 |
1 files changed, 0 insertions, 101 deletions
diff --git a/bundles/org.eclipse.wst.xml.core/src/org/eclipse/wst/xml/core/internal/provisional/contentmodel/NullContentModel.java b/bundles/org.eclipse.wst.xml.core/src/org/eclipse/wst/xml/core/internal/provisional/contentmodel/NullContentModel.java deleted file mode 100644 index 51e77fbdbf..0000000000 --- a/bundles/org.eclipse.wst.xml.core/src/org/eclipse/wst/xml/core/internal/provisional/contentmodel/NullContentModel.java +++ /dev/null @@ -1,101 +0,0 @@ -/******************************************************************************* - * Copyright (c) 2001, 2004 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.provisional.contentmodel; - -import java.util.Iterator; -import java.util.NoSuchElementException; - -import org.eclipse.wst.xml.core.internal.contentmodel.CMDocument; -import org.eclipse.wst.xml.core.internal.contentmodel.CMNamedNodeMap; -import org.eclipse.wst.xml.core.internal.contentmodel.CMNamespace; -import org.eclipse.wst.xml.core.internal.contentmodel.CMNode; - - -/** - * This class can be used to intialize specific variables that need a content - * model, until the true content model is available. This prevents having to - * do lots of null checks. - */ -public class NullContentModel implements CMDocument { - - private static class NullCMNamedNodeMap implements CMNamedNodeMap { - public int getLength() { - return 0; - } - - public CMNode getNamedItem(String name) { - return null; - } - - public CMNode item(int index) { - return null; - } - - public Iterator iterator() { - return new NullIterator(); - } - - } - - private static class NullIterator implements Iterator { - public NullIterator() { - } - - public boolean hasNext() { - return false; - } - - public Object next() { - throw new NoSuchElementException(); - } - - public void remove() { - throw new UnsupportedOperationException("can not remove regions via iterator"); //$NON-NLS-1$ - - } - - } - - public NullContentModel() { - super(); - } - - public CMNamedNodeMap getElements() { - return new NullCMNamedNodeMap(); - } - - public CMNamedNodeMap getEntities() { - return new NullCMNamedNodeMap(); - } - - public CMNamespace getNamespace() { - return null; - } - - public String getNodeName() { - return null; - } - - public int getNodeType() { - return 0; - } - - public Object getProperty(String propertyName) { - return null; - } - - public boolean supports(String propertyName) { - return false; - } - -} |