| /* |
| * Licensed to the Apache Software Foundation (ASF) under one |
| * or more contributor license agreements. See the NOTICE file |
| * distributed with this work for additional information |
| * regarding copyright ownership. The ASF licenses this file |
| * to you under the Apache License, Version 2.0 (the |
| * "License"); you may not use this file except in compliance |
| * with the License. You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, |
| * software distributed under the License is distributed on an |
| * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY |
| * KIND, either express or implied. See the License for the |
| * specific language governing permissions and limitations |
| * under the License. |
| */ |
| package org.apache.axiom.core; |
| |
| import java.util.EnumSet; |
| |
| public enum NodeType { |
| /** |
| * The node is a {@link CoreDocument}. |
| */ |
| DOCUMENT(CoreDocument.class), |
| |
| /** |
| * The node is a {@link CoreDocumentTypeDeclaration}. |
| */ |
| DOCUMENT_TYPE_DECLARATION(CoreDocumentTypeDeclaration.class), |
| |
| /** |
| * The node is a {@link CoreNSUnawareElement}. |
| */ |
| NS_UNAWARE_ELEMENT(CoreNSUnawareElement.class), |
| |
| /** |
| * The node is a {@link CoreNSAwareElement}. |
| */ |
| NS_AWARE_ELEMENT(CoreNSAwareElement.class), |
| |
| /** |
| * The node is a {@link CoreNSUnawareAttribute}. |
| */ |
| NS_UNAWARE_ATTRIBUTE(CoreNSUnawareAttribute.class), |
| |
| /** |
| * The node is a {@link CoreNSAwareAttribute}. |
| */ |
| NS_AWARE_ATTRIBUTE(CoreNSAwareAttribute.class), |
| |
| /** |
| * The node is a {@link CoreNamespaceDeclaration}. |
| */ |
| NAMESPACE_DECLARATION(CoreNamespaceDeclaration.class), |
| |
| /** |
| * The node is a {@link CoreProcessingInstruction}. |
| */ |
| PROCESSING_INSTRUCTION(CoreProcessingInstruction.class), |
| |
| /** |
| * The node is a {@link CoreDocumentFragment}. |
| */ |
| DOCUMENT_FRAGMENT(CoreDocumentFragment.class), |
| |
| /** |
| * The node is a {@link CoreCharacterDataNode}. |
| */ |
| CHARACTER_DATA(CoreCharacterDataNode.class), |
| |
| /** |
| * The node is a {@link CoreComment}. |
| */ |
| COMMENT(CoreComment.class), |
| |
| /** |
| * The node is a {@link CoreCDATASection}. |
| */ |
| CDATA_SECTION(CoreCDATASection.class), |
| |
| /** |
| * The node is a {@link CoreEntityReference}. |
| */ |
| ENTITY_REFERENCE(CoreEntityReference.class); |
| |
| static { |
| COMMENT.allowedChildTypes = EnumSet.of(CHARACTER_DATA); |
| DOCUMENT.allowedChildTypes = EnumSet.of(CHARACTER_DATA, COMMENT, DOCUMENT_TYPE_DECLARATION, NS_AWARE_ELEMENT, NS_UNAWARE_ELEMENT, PROCESSING_INSTRUCTION); |
| DOCUMENT_FRAGMENT.allowedChildTypes = EnumSet.allOf(NodeType.class); |
| EnumSet<NodeType> s = EnumSet.of(CHARACTER_DATA, ENTITY_REFERENCE); |
| NS_AWARE_ATTRIBUTE.allowedChildTypes = s; |
| NS_UNAWARE_ATTRIBUTE.allowedChildTypes = s; |
| NAMESPACE_DECLARATION.allowedChildTypes = s; |
| s = EnumSet.of(CDATA_SECTION, CHARACTER_DATA, COMMENT, ENTITY_REFERENCE, NS_AWARE_ELEMENT, NS_UNAWARE_ELEMENT, PROCESSING_INSTRUCTION); |
| NS_AWARE_ELEMENT.allowedChildTypes = s; |
| NS_UNAWARE_ELEMENT.allowedChildTypes = s; |
| } |
| |
| private final Class<? extends CoreNode> iface; |
| private EnumSet<NodeType> allowedChildTypes; |
| |
| private NodeType(Class<? extends CoreNode> iface) { |
| this.iface = iface; |
| } |
| |
| public Class<? extends CoreNode> getInterface() { |
| return iface; |
| } |
| |
| public boolean isChildTypeAllowed(NodeType childType) { |
| if (allowedChildTypes == null) { |
| throw new UnsupportedOperationException(); |
| } |
| return allowedChildTypes.contains(childType); |
| } |
| } |