| // Copyright (C) 2013 The Android Open Source Project |
| // |
| // Licensed 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 com.google.gerrit.pgm.util; |
| |
| import com.google.common.primitives.Longs; |
| import com.google.gerrit.server.config.GerritServerConfig; |
| import com.google.gerrit.server.config.SitePaths; |
| import com.google.gerrit.server.schema.DataSourceProvider; |
| import com.google.gerrit.server.schema.DataSourceType; |
| import com.google.inject.Inject; |
| import com.google.inject.Singleton; |
| |
| import org.eclipse.jgit.lib.Config; |
| |
| import java.io.File; |
| import java.io.FileFilter; |
| import java.util.Arrays; |
| import java.util.Comparator; |
| |
| import javax.sql.DataSource; |
| |
| /** Loads the site library if not yet loaded. */ |
| @Singleton |
| public class SiteLibraryBasedDataSourceProvider extends DataSourceProvider { |
| private final File libdir; |
| private boolean init; |
| |
| @Inject |
| SiteLibraryBasedDataSourceProvider(SitePaths site, |
| @GerritServerConfig Config cfg, |
| DataSourceProvider.Context ctx, |
| DataSourceType dst) { |
| super(site, cfg, ctx, dst); |
| libdir = site.lib_dir; |
| } |
| |
| public synchronized DataSource get() { |
| if (!init) { |
| loadSiteLib(); |
| init = true; |
| } |
| return super.get(); |
| } |
| |
| private void loadSiteLib() { |
| File[] jars = libdir.listFiles(new FileFilter() { |
| @Override |
| public boolean accept(File path) { |
| String name = path.getName(); |
| return (name.endsWith(".jar") || name.endsWith(".zip")) |
| && path.isFile(); |
| } |
| }); |
| if (jars != null && 0 < jars.length) { |
| Arrays.sort(jars, new Comparator<File>() { |
| @Override |
| public int compare(File a, File b) { |
| // Sort by reverse last-modified time so newer JARs are first. |
| int cmp = Longs.compare(b.lastModified(), a.lastModified()); |
| if (cmp != 0) { |
| return cmp; |
| } |
| return a.getName().compareTo(b.getName()); |
| } |
| }); |
| IoUtil.loadJARs(jars); |
| } |
| } |
| } |