org.argeo.cms/src/org/argeo/cms/internal/kernel/RepositoryBuilder.java

   1 package org.argeo.cms.internal.kernel;
   2
   3 import java.io.File;
   4 import java.io.IOException;
   5 import java.io.InputStream;
   6 import java.net.URI;
   7 import java.net.URISyntaxException;
   8 import java.nio.file.Files;
   9 import java.nio.file.Path;
  10 import java.nio.file.Paths;
  11 import java.util.Dictionary;
  12 import java.util.Enumeration;
  13 import java.util.Properties;
  14 import java.util.UUID;
  15
  16 import javax.jcr.RepositoryException;
  17
  18 import org.apache.commons.io.IOUtils;
  19 import org.apache.commons.logging.Log;
  20 import org.apache.commons.logging.LogFactory;
  21 import org.apache.jackrabbit.core.RepositoryContext;
  22 import org.apache.jackrabbit.core.RepositoryImpl;
  23 import org.apache.jackrabbit.core.cache.CacheManager;
  24 import org.apache.jackrabbit.core.config.RepositoryConfig;
  25 import org.apache.jackrabbit.core.config.RepositoryConfigurationParser;
  26 import org.argeo.cms.CmsException;
  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 class RepositoryBuilder {
  33         private final static Log log = LogFactory.getLog(RepositoryBuilder.class);
  34
  35         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/kernel";
  58                         switch (type) {
  59                         case h2:
  60                                 in = cl.getResourceAsStream(base + "/repository-h2.xml");
  61                                 break;
  62                         case postgresql:
  63                                 in = cl.getResourceAsStream(base + "/repository-postgresql.xml");
  64                                 break;
  65                         case postgresql_ds:
  66                                 in = cl.getResourceAsStream(base + "/repository-postgresql-ds.xml");
  67                                 break;
  68                         case memory:
  69                                 in = cl.getResourceAsStream(base + "/repository-memory.xml");
  70                                 break;
  71                         case localfs:
  72                                 in = cl.getResourceAsStream(base + "/repository-localfs.xml");
  73                                 break;
  74                         default:
  75                                 throw new ArgeoJcrException("Unsupported node type " + type);
  76                         }
  77
  78                         if (in == null)
  79                                 throw new ArgeoJcrException("Repository configuration not found");
  80                         InputSource config = new InputSource(in);
  81                         Properties jackrabbitVars = getConfigurationProperties(type, properties);
  82                         RepositoryConfig repositoryConfig = RepositoryConfig.create(config, jackrabbitVars);
  83                         return repositoryConfig;
  84                 } finally {
  85                         IOUtils.closeQuietly(in);
  86                 }
  87         }
  88
  89         private Properties getConfigurationProperties(JackrabbitType type, Dictionary<String, ?> properties) {
  90                 Properties props = new Properties();
  91                 for (Enumeration<String> keys = properties.keys(); keys.hasMoreElements();) {
  92                         String key = keys.nextElement();
  93                         // if (key.equals(ConfigurationAdmin.SERVICE_FACTORYPID) ||
  94                         // key.equals(Constants.SERVICE_PID)
  95                         // || key.equals(ArgeoJcrConstants.JCR_REPOSITORY_ALIAS))
  96                         // continue keys;
  97                         // try {
  98                         // String value = prop(properties, RepoConf.valueOf(key));
  99                         // if (value != null)
 100                         props.put(key, properties.get(key));
 101                         // } catch (IllegalArgumentException e) {
 102                         // // ignore non RepoConf
 103                         // // FIXME make it more flexible/extensible
 104                         // }
 105                 }
 106
 107                 // home
 108                 String homeUri = props.getProperty(RepoConf.labeledUri.name());
 109                 Path homePath;
 110                 if (homeUri == null) {
 111                         String cn = props.getProperty(NodeConstants.CN);
 112                         assert cn != null;
 113                         homePath = KernelUtils.getOsgiInstancePath(KernelConstants.DIR_REPOS + '/' + cn);
 114                 } else {
 115                         try {
 116                                 homePath = Paths.get(new URI(homeUri)).toAbsolutePath();
 117                         } catch (URISyntaxException e) {
 118                                 throw new CmsException("Invalid repository home URI", e);
 119                         }
 120                 }
 121                 Path rootUuidPath = homePath.resolve("repository/meta/rootUUID");
 122                 if (!Files.exists(rootUuidPath)) {
 123                         try {
 124                                 Files.createDirectories(rootUuidPath.getParent());
 125                                 Files.write(rootUuidPath, UUID.randomUUID().toString().getBytes());
 126                         } catch (IOException e) {
 127                                 log.error("Could not set rootUUID", e);
 128                         }
 129                 }
 130                 File homeDir = homePath.toFile();
 131                 homeDir.mkdirs();
 132                 // home cannot be overridden
 133                 props.put(RepositoryConfigurationParser.REPOSITORY_HOME_VARIABLE, homePath.toString());
 134
 135                 // common
 136                 setProp(props, RepoConf.defaultWorkspace);
 137                 setProp(props, RepoConf.maxPoolSize);
 138                 // Jackrabbit defaults
 139                 setProp(props, RepoConf.bundleCacheMB);
 140                 // See http://wiki.apache.org/jackrabbit/Search
 141                 setProp(props, RepoConf.extractorPoolSize);
 142                 setProp(props, RepoConf.searchCacheSize);
 143                 setProp(props, RepoConf.maxVolatileIndexSize);
 144
 145                 // specific
 146                 String dburl;
 147                 switch (type) {
 148                 case h2:
 149                         dburl = "jdbc:h2:" + homeDir.getPath() + "/h2/repository";
 150                         setProp(props, RepoConf.dburl, dburl);
 151                         setProp(props, RepoConf.dbuser, "sa");
 152                         setProp(props, RepoConf.dbpassword, "");
 153                         break;
 154                 case postgresql:
 155                         dburl = "jdbc:postgresql://localhost/demo";
 156                         setProp(props, RepoConf.dburl, dburl);
 157                         setProp(props, RepoConf.dbuser, "argeo");
 158                         setProp(props, RepoConf.dbpassword, "argeo");
 159                         break;
 160                 case memory:
 161                         break;
 162                 case localfs:
 163                         break;
 164                 default:
 165                         throw new ArgeoJcrException("Unsupported node type " + type);
 166                 }
 167                 return props;
 168         }
 169
 170         private void setProp(Properties props, RepoConf key, String def) {
 171                 Object value = props.get(key.name());
 172                 if (value == null)
 173                         value = def;
 174                 if (value == null)
 175                         value = key.getDefault();
 176                 if (value != null)
 177                         props.put(key.name(), value.toString());
 178         }
 179
 180         private void setProp(Properties props, RepoConf key) {
 181                 setProp(props, key, null);
 182         }
 183
 184         private String prop(Dictionary<String, ?> properties, RepoConf key) {
 185                 Object value = properties.get(key.name());
 186                 if (value == null)
 187                         return key.getDefault() != null ? key.getDefault().toString() : null;
 188                 else
 189                         return value.toString();
 190         }
 191
 192         private RepositoryContext createJackrabbitRepository(RepositoryConfig repositoryConfig) throws RepositoryException {
 193                 ClassLoader currentContextCl = Thread.currentThread().getContextClassLoader();
 194                 Thread.currentThread().setContextClassLoader(RepositoryBuilder.class.getClassLoader());
 195                 try {
 196                         long begin = System.currentTimeMillis();
 197                         //
 198                         // Actual repository creation
 199                         //
 200                         RepositoryContext repositoryContext = RepositoryContext.create(repositoryConfig);
 201
 202                         double duration = ((double) (System.currentTimeMillis() - begin)) / 1000;
 203                         if (log.isTraceEnabled())
 204                                 log.trace(
 205                                                 "Created Jackrabbit repository in " + duration + " s, home: " + repositoryConfig.getHomeDir());
 206
 207                         return repositoryContext;
 208                 } finally {
 209                         Thread.currentThread().setContextClassLoader(currentContextCl);
 210                 }
 211         }
 212
 213 }