| /* |
| * 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.jackrabbit.oak.plugins.version; |
| |
| import org.apache.jackrabbit.oak.api.CommitFailedException; |
| import org.apache.jackrabbit.oak.api.PropertyState; |
| import org.apache.jackrabbit.oak.api.Tree; |
| import org.apache.jackrabbit.oak.api.Type; |
| import org.apache.jackrabbit.oak.commons.PathUtils; |
| import org.apache.jackrabbit.oak.spi.commit.DefaultEditor; |
| import org.apache.jackrabbit.oak.spi.commit.Editor; |
| import org.apache.jackrabbit.oak.spi.state.NodeState; |
| |
| import static org.apache.jackrabbit.JcrConstants.JCR_ROOTVERSION; |
| import static org.apache.jackrabbit.oak.api.CommitFailedException.CONSTRAINT; |
| import static org.apache.jackrabbit.oak.plugins.version.Utils.throwProtected; |
| |
| /** |
| * Validates changes on jcr:versionLabels nodes in the version storage. |
| */ |
| class VersionLabelsEditor extends DefaultEditor { |
| |
| private final String path; |
| private final ReadWriteVersionManager vMgr; |
| |
| VersionLabelsEditor(String labelsPath, |
| ReadWriteVersionManager versionManager) { |
| this.path = labelsPath; |
| this.vMgr = versionManager; |
| } |
| |
| @Override |
| public void propertyAdded(PropertyState after) |
| throws CommitFailedException { |
| validateLabel(after); |
| } |
| |
| @Override |
| public void propertyChanged(PropertyState before, PropertyState after) |
| throws CommitFailedException { |
| validateLabel(after); |
| } |
| |
| @Override |
| public Editor childNodeAdded(String name, NodeState after) |
| throws CommitFailedException { |
| return throwProtected(PathUtils.concat(path, name)); |
| } |
| |
| @Override |
| public Editor childNodeChanged(String name, |
| NodeState before, |
| NodeState after) |
| throws CommitFailedException { |
| return throwProtected(PathUtils.concat(path, name)); |
| } |
| |
| @Override |
| public Editor childNodeDeleted(String name, NodeState before) |
| throws CommitFailedException { |
| return throwProtected(PathUtils.concat(path, name)); |
| } |
| |
| //-----------------------< internal >--------------------------------------- |
| |
| private void validateLabel(PropertyState label) |
| throws CommitFailedException { |
| String identifier = label.getValue(Type.REFERENCE); |
| Tree version = vMgr.getVersion(identifier); |
| if (version == null) { |
| throw new CommitFailedException(CONSTRAINT, 0, |
| "Version label references unknown node"); |
| } |
| String parent = PathUtils.getAncestorPath(path, 1); |
| String versionName = version.getName(); |
| if (versionName.equals(JCR_ROOTVERSION) |
| || !PathUtils.isAncestor(parent, version.getPath())) { |
| throw new CommitFailedException(CommitFailedException.VERSION, |
| VersionExceptionCode.NO_SUCH_VERSION.ordinal(), |
| "Not a valid version on this history: " + versionName); |
| } |
| } |
| } |