RepositoryBuilder.java

   1 package org.argeo.cms.internal.jcr;
   2
   3 import java.io.IOException;
   4 import java.io.InputStream;
   5 import java.net.URI;
   6 import java.net.URISyntaxException;
   7 import java.nio.file.Files;
   8 import java.nio.file.Path;
   9 import java.nio.file.Paths;
  10 import java.util.Dictionary;
  11 import java.util.Enumeration;
  12 import java.util.Properties;
  13 import java.util.UUID;
  14
  15 import javax.jcr.RepositoryException;
  16
  17 import org.apache.commons.io.IOUtils;
  18 import org.apache.commons.logging.Log;
  19 import org.apache.commons.logging.LogFactory;
  20 import org.apache.jackrabbit.core.RepositoryContext;
  21 import org.apache.jackrabbit.core.RepositoryImpl;
  22 import org.apache.jackrabbit.core.cache.CacheManager;
  23 import org.apache.jackrabbit.core.config.RepositoryConfig;
  24 import org.apache.jackrabbit.core.config.RepositoryConfigurationParser;
  25 import org.argeo.cms.CmsException;
  26 import org.argeo.cms.internal.kernel.CmsPaths;
  27 import org.argeo.jcr.ArgeoJcrException;
  28 import org.argeo.node.NodeConstants;
  29 import org.xml.sax.InputSource;
  30
  31 /** Can interpret properties in order to create an actual JCR repository. */
  32 public class RepositoryBuilder {
  33         private final static Log log = LogFactory.getLog(RepositoryBuilder.class);
  34
  35         public RepositoryContext createRepositoryContext(Dictionary<String, ?> properties) throws RepositoryException {
  36                 RepositoryConfig repositoryConfig = createRepositoryConfig(properties);
  37                 RepositoryContext repositoryContext = createJackrabbitRepository(repositoryConfig);
  38                 RepositoryImpl repository = repositoryContext.getRepository();
  39
  40                 // cache
  41                 Object maxCacheMbStr = prop(properties, RepoConf.maxCacheMB);
  42                 if (maxCacheMbStr != null) {
  43                         Integer maxCacheMB = Integer.parseInt(maxCacheMbStr.toString());
  44                         CacheManager cacheManager = repository.getCacheManager();
  45                         cacheManager.setMaxMemory(maxCacheMB * 1024l * 1024l);
  46                         cacheManager.setMaxMemoryPerCache((maxCacheMB / 4) * 1024l * 1024l);
  47                 }
  48
  49                 return repositoryContext;
  50         }
  51
  52         RepositoryConfig createRepositoryConfig(Dictionary<String, ?> properties) throws RepositoryException {
  53                 JackrabbitType type = JackrabbitType.valueOf(prop(properties, RepoConf.type).toString());
  54                 ClassLoader cl = getClass().getClassLoader();
  55                 InputStream in = null;
  56                 try {
  57                         final String base = "/org/argeo/cms/internal/jcr";
  58                         in = cl.getResourceAsStream(base + "/repository-" + type.name() + ".xml");
  59
  60                         if (in == null)
  61                                 throw new ArgeoJcrException("Repository configuration not found");
  62                         InputSource config = new InputSource(in);
  63                         Properties jackrabbitVars = getConfigurationProperties(type, properties);
  64                         RepositoryConfig repositoryConfig = RepositoryConfig.create(config, jackrabbitVars);
  65                         return repositoryConfig;
  66                 } finally {
  67                         IOUtils.closeQuietly(in);
  68                 }
  69         }
  70
  71         private Properties getConfigurationProperties(JackrabbitType type, Dictionary<String, ?> properties) {
  72                 Properties props = new Properties();
  73                 for (Enumeration<String> keys = properties.keys(); keys.hasMoreElements();) {
  74                         String key = keys.nextElement();
  75                         props.put(key, properties.get(key));
  76                 }
  77
  78                 // cluster id
  79                 // cf. https://wiki.apache.org/jackrabbit/Clustering
  80                 // TODO deal with multiple repos
  81                 String clusterId = System.getProperty("org.apache.jackrabbit.core.cluster.node_id");
  82                 String clusterIdProp = props.getProperty(RepoConf.clusterId.name());
  83                 if (clusterId != null) {
  84                         if (clusterIdProp != null)
  85                                 throw new CmsException("Cluster id defined as System properties and in deploy config");
  86                         props.put(RepoConf.clusterId.name(), clusterId);
  87                 } else {
  88                         clusterId = clusterIdProp;
  89                 }
  90
  91                 // home
  92                 String homeUri = props.getProperty(RepoConf.labeledUri.name());
  93                 Path homePath;
  94                 if (homeUri == null) {
  95                         String cn = props.getProperty(NodeConstants.CN);
  96                         assert cn != null;
  97                         if (clusterId != null) {
  98                                 homePath = CmsPaths.getRepoDirPath(cn + '/' + clusterId);
  99                         } else {
 100                                 homePath = CmsPaths.getRepoDirPath(cn);
 101                         }
 102                 } else {
 103                         try {
 104                                 homePath = Paths.get(new URI(homeUri)).toAbsolutePath();
 105                         } catch (URISyntaxException e) {
 106                                 throw new CmsException("Invalid repository home URI", e);
 107                         }
 108                 }
 109                 // TODO use Jackrabbit API (?)
 110                 Path rootUuidPath = homePath.resolve("repository/meta/rootUUID");
 111                 try {
 112                         if (!Files.exists(rootUuidPath)) {
 113                                 Files.createDirectories(rootUuidPath.getParent());
 114                                 Files.write(rootUuidPath, UUID.randomUUID().toString().getBytes());
 115                         }
 116                         // File homeDir = homePath.toFile();
 117                         // homeDir.mkdirs();
 118                 } catch (IOException e) {
 119                         throw new CmsException("Cannot set up repository  home " + homePath, e);
 120                 }
 121                 // home cannot be overridden
 122                 props.put(RepositoryConfigurationParser.REPOSITORY_HOME_VARIABLE, homePath.toString());
 123
 124                 setProp(props, RepoConf.indexesBase, CmsPaths.getRepoIndexesBase().toString());
 125                 // common
 126                 setProp(props, RepoConf.defaultWorkspace);
 127                 setProp(props, RepoConf.maxPoolSize);
 128                 // Jackrabbit defaults
 129                 setProp(props, RepoConf.bundleCacheMB);
 130                 // See http://wiki.apache.org/jackrabbit/Search
 131                 setProp(props, RepoConf.extractorPoolSize);
 132                 setProp(props, RepoConf.searchCacheSize);
 133                 setProp(props, RepoConf.maxVolatileIndexSize);
 134
 135                 // specific
 136                 String dburl;
 137                 switch (type) {
 138                 case h2:
 139                         dburl = "jdbc:h2:" + homePath.toAbsolutePath() + "/h2/repository";
 140                         setProp(props, RepoConf.dburl, dburl);
 141                         setProp(props, RepoConf.dbuser, "sa");
 142                         setProp(props, RepoConf.dbpassword, "");
 143                         break;
 144                 case postgresql:
 145                 case postgresql_ds:
 146                 case postgresql_cluster:
 147                 case postgresql_cluster_ds:
 148                         dburl = "jdbc:postgresql://localhost/demo";
 149                         setProp(props, RepoConf.dburl, dburl);
 150                         setProp(props, RepoConf.dbuser, "argeo");
 151                         setProp(props, RepoConf.dbpassword, "argeo");
 152                         break;
 153                 case memory:
 154                         break;
 155                 case localfs:
 156                         break;
 157                 default:
 158                         throw new ArgeoJcrException("Unsupported node type " + type);
 159                 }
 160                 return props;
 161         }
 162
 163         private void setProp(Properties props, RepoConf key, String def) {
 164                 Object value = props.get(key.name());
 165                 if (value == null)
 166                         value = def;
 167                 if (value == null)
 168                         value = key.getDefault();
 169                 if (value != null)
 170                         props.put(key.name(), value.toString());
 171         }
 172
 173         private void setProp(Properties props, RepoConf key) {
 174                 setProp(props, key, null);
 175         }
 176
 177         private String prop(Dictionary<String, ?> properties, RepoConf key) {
 178                 Object value = properties.get(key.name());
 179                 if (value == null)
 180                         return key.getDefault() != null ? key.getDefault().toString() : null;
 181                 else
 182                         return value.toString();
 183         }
 184
 185         private RepositoryContext createJackrabbitRepository(RepositoryConfig repositoryConfig) throws RepositoryException {
 186                 ClassLoader currentContextCl = Thread.currentThread().getContextClassLoader();
 187                 Thread.currentThread().setContextClassLoader(RepositoryBuilder.class.getClassLoader());
 188                 try {
 189                         long begin = System.currentTimeMillis();
 190                         //
 191                         // Actual repository creation
 192                         //
 193                         RepositoryContext repositoryContext = RepositoryContext.create(repositoryConfig);
 194
 195                         double duration = ((double) (System.currentTimeMillis() - begin)) / 1000;
 196                         if (log.isTraceEnabled())
 197                                 log.trace(
 198                                                 "Created Jackrabbit repository in " + duration + " s, home: " + repositoryConfig.getHomeDir());
 199
 200                         return repositoryContext;
 201                 } finally {
 202                         Thread.currentThread().setContextClassLoader(currentContextCl);
 203                 }
 204         }
 205
 206 }