| /* |
| * 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.sling.installer.factories.configuration.impl; |
| |
| import java.io.IOException; |
| import java.util.Collection; |
| import java.util.Dictionary; |
| import java.util.Hashtable; |
| |
| import org.apache.sling.installer.api.InstallableResource; |
| import org.apache.sling.installer.api.tasks.ResourceUpdater; |
| import org.apache.sling.installer.api.tasks.UpdatableResourceGroup; |
| import org.osgi.framework.BundleContext; |
| import org.osgi.framework.Constants; |
| import org.osgi.framework.InvalidSyntaxException; |
| import org.osgi.framework.ServiceRegistration; |
| import org.osgi.service.cm.Configuration; |
| import org.osgi.service.cm.ConfigurationAdmin; |
| import org.slf4j.Logger; |
| import org.slf4j.LoggerFactory; |
| |
| /** |
| * Update handler for updating 1.x to 1.2 |
| */ |
| public class ConfigUpdateHandler implements ResourceUpdater { |
| |
| /** Logger. */ |
| private final Logger logger = LoggerFactory.getLogger(this.getClass()); |
| |
| /** Configuration admin. */ |
| private final ConfigurationAdmin configAdmin; |
| |
| private final ServicesListener activator; |
| |
| |
| public ConfigUpdateHandler(final ConfigurationAdmin configAdmin, |
| final ServicesListener activator) { |
| this.configAdmin = configAdmin; |
| this.activator = activator; |
| } |
| |
| public ServiceRegistration<?> register(final BundleContext bundleContext) { |
| final Hashtable<String, String> props = new Hashtable<>(); |
| props.put(Constants.SERVICE_DESCRIPTION, "Apache Sling Configuration Install Task Factory Update Handler"); |
| props.put(Constants.SERVICE_VENDOR, ServicesListener.VENDOR); |
| |
| final String [] serviceInterfaces = { |
| ResourceUpdater.class.getName() |
| }; |
| return bundleContext.registerService(serviceInterfaces, this, props); |
| } |
| |
| @Override |
| public void update(final Collection<UpdatableResourceGroup> groups) { |
| for(final UpdatableResourceGroup group : groups) { |
| update(group); |
| } |
| this.activator.finishedUpdating(); |
| } |
| |
| private void update(final UpdatableResourceGroup group) { |
| if ( this.activator.isActive() ) { |
| // check if the group handles configurations and has an alias (aka factory config) |
| if ( InstallableResource.TYPE_CONFIG.equals(group.getResourceType()) ) { |
| if(group.getAlias() == null && group.getId().contains("~") && group.getId().contains("-")){ |
| // new format config with ~ as separator, cleanup if duplicate old format config exists |
| this.cleanupDuplicateFactoryConfig(group); |
| } else { |
| if (group.getAlias() != null || group.getId().contains("-")) { |
| this.logger.debug("Configuration going under updation is : {} with alias : {}", group.getId(), group.getAlias()); |
| this.updateFactoryConfig(group); |
| } |
| } |
| } |
| } |
| } |
| |
| protected String[] getFactoryPidAndPid(final String alias, final String oldId) { |
| String factoryPid; |
| String pid; |
| if (alias != null) { |
| |
| // special case, oldId is prefix of alias |
| if (alias.startsWith(oldId)) { |
| final int lastDotIndex = oldId.length(); |
| final String factoryIdString = alias.substring(0, lastDotIndex + 1); // keep it +1 to have last dot |
| // intact so that we always have |
| // even dots in the string |
| factoryPid = alias.substring(0, getMiddleDotSplitIndex(factoryIdString)); |
| pid = alias.substring(lastDotIndex + 1); |
| |
| } else { |
| int pos = 0; |
| while (alias.charAt(pos) == oldId.charAt(pos)) { |
| pos++; |
| } |
| while (alias.charAt(pos - 1) != '.') { |
| pos--; |
| } |
| factoryPid = alias.substring(0, pos - 1); |
| pid = oldId.substring(factoryPid.length() + 1); |
| } |
| } else { |
| // extract factory id for these cases where alias is not available and factoryId and pid need to be separated from the old id string itself |
| //format assumption ::: "factory_pid.factory_pid.pid" |
| // split pid with lastIndexOf('.') then remove the duplicate factory_pid part from the remaining string using the middle dot split index |
| final int lastDotIndex = oldId.lastIndexOf('.'); |
| final String factoryIdString = oldId.substring(0, lastDotIndex + 1); // keep it +1 to have last dot intact |
| // so that we always have even dots in |
| // the string |
| factoryPid = oldId.substring(0, getMiddleDotSplitIndex(factoryIdString)); |
| pid = oldId.substring(lastDotIndex+1); |
| |
| } |
| |
| return new String[] { factoryPid, pid }; |
| } |
| |
| private int getMiddleDotSplitIndex(final String strId) { |
| |
| int dotCount = 0; |
| int[] dotIndexArray = new int[strId.length()]; |
| |
| for (int i=0;i<strId.length();i++) |
| |
| if (strId.charAt(i) == '.') { |
| dotCount++; |
| dotIndexArray[dotCount] = i; |
| } |
| |
| return dotIndexArray[dotCount/2]; // get the middle dot index |
| } |
| |
| private void updateFactoryConfig(final UpdatableResourceGroup group) { |
| final String alias = group.getAlias(); |
| final String oldId = group.getId(); |
| |
| // change group id |
| final String[] result = getFactoryPidAndPid(alias, oldId); |
| |
| final String factoryPid = result[0]; |
| final String pid = result[1]; |
| |
| final String newId = ConfigUtil.getPIDOfFactoryPID(factoryPid, pid); |
| group.setId(newId); |
| // clear alias |
| group.setAlias(null); |
| |
| this.logger.debug("Updating factory configuration from {} to {}", oldId, newId); |
| try { |
| final Configuration cfg = ConfigUtil.getLegacyFactoryConfig(this.configAdmin, factoryPid, alias, pid); |
| if ( cfg != null ) { |
| // keep existing values / location |
| final String location = cfg.getBundleLocation(); |
| final Dictionary<String, Object> dict = ConfigUtil.cleanConfiguration(cfg.getProperties()); |
| // delete old factory configuration |
| cfg.delete(); |
| // create new named factory configuration with same properties and bundle location |
| final Configuration upCfg = this.configAdmin.getFactoryConfiguration(factoryPid, pid, location); |
| upCfg.update(dict); |
| } |
| } catch ( final IOException | InvalidSyntaxException io) { |
| // ignore for now |
| } |
| group.update(); |
| } |
| |
| private void cleanupDuplicateFactoryConfig(final UpdatableResourceGroup group) { |
| final String newPid = group.getId(); |
| final int indexOfSeparator = newPid.lastIndexOf('~'); |
| final String pid = newPid.substring(indexOfSeparator+1); |
| final String factoryPid = newPid.substring(0,indexOfSeparator); |
| try { |
| final Configuration cfg = ConfigUtil.getLegacyFactoryConfig(this.configAdmin, factoryPid, null, pid); |
| if ( cfg != null ) { |
| this.logger.debug("Duplicate configuration being cleaned up is : {}",cfg.getFactoryPid() + '.' + cfg.getPid()); |
| // delete old factory configuration |
| cfg.delete(); |
| } |
| |
| } catch ( final IOException | InvalidSyntaxException io) { |
| // ignore for now |
| } |
| } |
| } |