| /* |
| * 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.lenya.cms.repository; |
| |
| import java.util.Vector; |
| |
| import org.apache.avalon.framework.container.ContainerUtil; |
| import org.apache.avalon.framework.logger.AbstractLogEnabled; |
| import org.apache.avalon.framework.logger.Logger; |
| import org.apache.avalon.framework.service.ServiceManager; |
| import org.apache.lenya.cms.rc.CheckInEntry; |
| import org.apache.lenya.cms.rc.RCML; |
| |
| /** |
| * Revision history implementation. |
| */ |
| public class SourceNodeHistory extends AbstractLogEnabled implements History { |
| |
| private SourceNode node; |
| private ServiceManager manager; |
| |
| /** |
| * Ctor. |
| * @param node The node which the history belongs to. |
| * @param manager The service manager. |
| * @param logger The logger. |
| */ |
| public SourceNodeHistory(SourceNode node, ServiceManager manager, Logger logger) { |
| this.node = node; |
| this.manager = manager; |
| ContainerUtil.enableLogging(this, logger); |
| } |
| |
| public Revision getLatestRevision() { |
| try { |
| int[] numbers = getRevisionNumbers(); |
| if (numbers.length > 0) { |
| return getRevision(numbers[0]); |
| } |
| else { |
| throw new RepositoryException("There is no revision for node [" + this.node + "] yet."); |
| } |
| } catch (Exception e) { |
| throw new RuntimeException(e); |
| } |
| } |
| |
| public Revision getRevision(int number) throws RepositoryException { |
| return new SourceNodeRevision(this.node, number, this.manager, getLogger()); |
| } |
| |
| public int[] getRevisionNumbers() { |
| RCML rcml = this.node.getRcml(); |
| try { |
| Vector entries = rcml.getBackupEntries(); |
| int[] numbers = new int[entries.size()]; |
| for (int i = 0; i < entries.size(); i++) { |
| CheckInEntry entry = (CheckInEntry) entries.get(i); |
| numbers[i] = entry.getVersion(); |
| } |
| return numbers; |
| } catch (Exception e) { |
| throw new RuntimeException(e); |
| } |
| } |
| |
| } |