| /* |
| * 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; |
| |
| public aspect CoreAttributeSupport { |
| /** |
| * The owner of the attribute. This is either a {@link CoreDocument} if the attribute is not linked |
| * to an element, or a {@link CoreElement} if the attribute has been added to an element. |
| */ |
| private CoreParentNode CoreAttribute.owner; |
| |
| private CoreAttribute CoreAttribute.nextAttribute; |
| |
| public final CoreElement CoreAttribute.coreGetOwnerElement() { |
| return owner instanceof CoreElement ? (CoreElement)owner : null; |
| } |
| |
| public final boolean CoreAttribute.coreHasOwnerElement() { |
| return owner instanceof CoreElement; |
| } |
| |
| public final void CoreAttribute.internalSetOwnerElement(CoreElement element) { |
| if (element == null) { |
| throw new IllegalArgumentException(); |
| } |
| owner = element; |
| } |
| |
| public final void CoreAttribute.internalUnsetOwnerElement(CoreDocument newOwnerDocument) { |
| owner = newOwnerDocument; |
| } |
| |
| public final CoreNode CoreAttribute.getRootOrOwnerDocument() { |
| if (owner == null) { |
| return this; |
| } else { |
| return owner.getRootOrOwnerDocument(); |
| } |
| } |
| |
| public final void CoreAttribute.coreSetOwnerDocument(CoreDocument document) { |
| if (owner instanceof CoreElement) { |
| // TODO |
| // throw new IllegalStateException(); |
| } |
| owner = document; |
| } |
| |
| public final CoreAttribute CoreAttribute.coreGetNextAttribute() { |
| return nextAttribute; |
| } |
| |
| public final void CoreAttribute.internalSetNextAttribute(CoreAttribute nextAttribute) { |
| this.nextAttribute = nextAttribute; |
| } |
| |
| public final CoreAttribute CoreAttribute.coreGetPreviousAttribute() { |
| if (owner instanceof CoreElement) { |
| CoreElement ownerElement = (CoreElement)owner; |
| CoreAttribute previousAttr = ownerElement.coreGetFirstAttribute(); |
| while (previousAttr != null) { |
| CoreAttribute nextAttr = previousAttr.nextAttribute; |
| if (nextAttr == this) { |
| break; |
| } |
| previousAttr = nextAttr; |
| } |
| return previousAttr; |
| } else { |
| return null; |
| } |
| } |
| |
| final void CoreAttribute.insertAttributeAfter(CoreAttribute attr) { |
| // TODO: throw exception if attribute already has an owner |
| attr.internalSetOwnerElement(coreGetOwnerElement()); |
| if (nextAttribute != null) { |
| attr.nextAttribute = nextAttribute; |
| } |
| nextAttribute = attr; |
| } |
| |
| public final boolean CoreAttribute.coreRemove(Semantics semantics) { |
| return internalRemove(semantics, null); |
| } |
| |
| public final boolean CoreAttribute.internalRemove(Semantics semantics, CoreElement newOwner) { |
| if (owner instanceof CoreElement) { |
| CoreElement ownerElement = (CoreElement)owner; |
| CoreAttribute previousAttr = coreGetPreviousAttribute(); |
| owner = newOwner != null ? newOwner : semantics.getDetachPolicy().getNewOwnerDocument(ownerElement); |
| if (previousAttr == null) { |
| ownerElement.internalSetFirstAttribute(nextAttribute); |
| } else { |
| previousAttr.nextAttribute = nextAttribute; |
| } |
| nextAttribute = null; |
| return true; |
| } else { |
| if (newOwner != null) { |
| owner = newOwner; |
| } |
| return false; |
| } |
| } |
| |
| public final boolean CoreAttribute.coreGetSpecified() { |
| return !getFlag(Flags.DEFAULT_ATTR); |
| } |
| |
| public final void CoreAttribute.coreSetSpecified(boolean specified) { |
| setFlag(Flags.DEFAULT_ATTR, !specified); |
| } |
| } |