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.ArgeoJcrConstants;
  28 import org.argeo.jcr.ArgeoJcrException;
  29 import org.argeo.node.NodeConstants;
  30 import org.argeo.node.RepoConf;
  31 import org.osgi.framework.Constants;
  32 import org.osgi.service.cm.ConfigurationAdmin;
  33 import org.xml.sax.InputSource;
  34
  35 /** Can interpret properties in order to create an actual JCR repository. */
  36 class RepositoryBuilder {
  37         private final static Log log = LogFactory.getLog(RepositoryBuilder.class);
  38
  39         RepositoryContext createRepositoryContext(Dictionary<String, ?> properties) throws RepositoryException {
  40                 RepositoryConfig repositoryConfig = createRepositoryConfig(properties);
  41                 RepositoryContext repositoryContext = createJackrabbitRepository(repositoryConfig);
  42                 RepositoryImpl repository = repositoryContext.getRepository();
  43
  44                 // cache
  45                 Object maxCacheMbStr = prop(properties, RepoConf.maxCacheMB);
  46                 if (maxCacheMbStr != null) {
  47                         Integer maxCacheMB = Integer.parseInt(maxCacheMbStr.toString());
  48                         CacheManager cacheManager = repository.getCacheManager();
  49                         cacheManager.setMaxMemory(maxCacheMB * 1024l * 1024l);
  50                         cacheManager.setMaxMemoryPerCache((maxCacheMB / 4) * 1024l * 1024l);
  51                 }
  52
  53                 return repositoryContext;
  54         }
  55
  56         RepositoryConfig createRepositoryConfig(Dictionary<String, ?> properties) throws RepositoryException {
  57                 JackrabbitType type = JackrabbitType.valueOf(prop(properties, RepoConf.type).toString());
  58                 ClassLoader cl = getClass().getClassLoader();
  59                 InputStream in = null;
  60                 try {
  61                         final String base = "/org/argeo/cms/internal/kernel";
  62                         switch (type) {
  63                         case h2:
  64                                 in = cl.getResourceAsStream(base + "/repository-h2.xml");
  65                                 break;
  66                         case postgresql:
  67                                 in = cl.getResourceAsStream(base + "/repository-postgresql.xml");
  68                                 break;
  69                         case postgresql_ds:
  70                                 in = cl.getResourceAsStream(base + "/repository-postgresql-ds.xml");
  71                                 break;
  72                         case memory:
  73                                 in = cl.getResourceAsStream(base + "/repository-memory.xml");
  74                                 break;
  75                         case localfs:
  76                                 in = cl.getResourceAsStream(base + "/repository-localfs.xml");
  77                                 break;
  78                         default:
  79                                 throw new ArgeoJcrException("Unsupported node type " + type);
  80                         }
  81
  82                         if (in == null)
  83                                 throw new ArgeoJcrException("Repository configuration not found");
  84                         InputSource config = new InputSource(in);
  85                         Properties jackrabbitVars = getConfigurationProperties(type, properties);
  86                         RepositoryConfig repositoryConfig = RepositoryConfig.create(config, jackrabbitVars);
  87                         return repositoryConfig;
  88                 } finally {
  89                         IOUtils.closeQuietly(in);
  90                 }
  91         }
  92
  93         private Properties getConfigurationProperties(JackrabbitType type, Dictionary<String, ?> properties) {
  94                 Properties props = new Properties();
  95                 for (Enumeration<String> keys = properties.keys(); keys.hasMoreElements();) {
  96                         String key = keys.nextElement();
  97                         // if (key.equals(ConfigurationAdmin.SERVICE_FACTORYPID) ||
  98                         // key.equals(Constants.SERVICE_PID)
  99                         // || key.equals(ArgeoJcrConstants.JCR_REPOSITORY_ALIAS))
 100                         // continue keys;
 101                         // try {
 102                         // String value = prop(properties, RepoConf.valueOf(key));
 103                         // if (value != null)
 104                         props.put(key, properties.get(key));
 105                         // } catch (IllegalArgumentException e) {
 106                         // // ignore non RepoConf
 107                         // // FIXME make it more flexible/extensible
 108                         // }
 109                 }
 110
 111                 // home
 112                 String homeUri = props.getProperty(RepoConf.labeledUri.name());
 113                 Path homePath;
 114                 if (homeUri == null) {
 115                         String cn = props.getProperty(NodeConstants.CN);
 116                         assert cn != null;
 117                         homePath = KernelUtils.getOsgiInstancePath(KernelConstants.DIR_REPOS + '/' + cn);
 118                 } else {
 119                         try {
 120                                 homePath = Paths.get(new URI(homeUri)).toAbsolutePath();
 121                         } catch (URISyntaxException e) {
 122                                 throw new CmsException("Invalid repository home URI", e);
 123                         }
 124                 }
 125                 Path rootUuidPath = homePath.resolve("repository/meta/rootUUID");
 126                 if (!Files.exists(rootUuidPath)) {
 127                         try {
 128                                 Files.createDirectories(rootUuidPath.getParent());
 129                                 Files.write(rootUuidPath, UUID.randomUUID().toString().getBytes());
 130                         } catch (IOException e) {
 131                                 log.error("Could not set rootUUID", e);
 132                         }
 133                 }
 134                 File homeDir = homePath.toFile();
 135                 homeDir.mkdirs();
 136                 // home cannot be overridden
 137                 props.put(RepositoryConfigurationParser.REPOSITORY_HOME_VARIABLE, homePath.toString());
 138
 139                 // common
 140                 setProp(props, RepoConf.defaultWorkspace);
 141                 setProp(props, RepoConf.maxPoolSize);
 142                 // Jackrabbit defaults
 143                 setProp(props, RepoConf.bundleCacheMB);
 144                 // See http://wiki.apache.org/jackrabbit/Search
 145                 setProp(props, RepoConf.extractorPoolSize);
 146                 setProp(props, RepoConf.searchCacheSize);
 147                 setProp(props, RepoConf.maxVolatileIndexSize);
 148
 149                 // specific
 150                 String dburl;
 151                 switch (type) {
 152                 case h2:
 153                         dburl = "jdbc:h2:" + homeDir.getPath() + "/h2/repository";
 154                         setProp(props, RepoConf.dburl, dburl);
 155                         setProp(props, RepoConf.dbuser, "sa");
 156                         setProp(props, RepoConf.dbpassword, "");
 157                         break;
 158                 case postgresql:
 159                         dburl = "jdbc:postgresql://localhost/demo";
 160                         setProp(props, RepoConf.dburl, dburl);
 161                         setProp(props, RepoConf.dbuser, "argeo");
 162                         setProp(props, RepoConf.dbpassword, "argeo");
 163                         break;
 164                 case memory:
 165                         break;
 166                 case localfs:
 167                         break;
 168                 default:
 169                         throw new ArgeoJcrException("Unsupported node type " + type);
 170                 }
 171                 return props;
 172         }
 173
 174         private void setProp(Properties props, RepoConf key, String def) {
 175                 Object value = props.get(key.name());
 176                 if (value == null)
 177                         value = def;
 178                 if (value == null)
 179                         value = key.getDefault();
 180                 if (value != null)
 181                         props.put(key.name(), value.toString());
 182         }
 183
 184         private void setProp(Properties props, RepoConf key) {
 185                 setProp(props, key, null);
 186         }
 187
 188         private String prop(Dictionary<String, ?> properties, RepoConf key) {
 189                 Object value = properties.get(key.name());
 190                 if (value == null)
 191                         return key.getDefault() != null ? key.getDefault().toString() : null;
 192                 else
 193                         return value.toString();
 194         }
 195
 196         private RepositoryContext createJackrabbitRepository(RepositoryConfig repositoryConfig) throws RepositoryException {
 197                 ClassLoader currentContextCl = Thread.currentThread().getContextClassLoader();
 198                 Thread.currentThread().setContextClassLoader(RepositoryBuilder.class.getClassLoader());
 199                 try {
 200                         long begin = System.currentTimeMillis();
 201                         //
 202                         // Actual repository creation
 203                         //
 204                         RepositoryContext repositoryContext = RepositoryContext.create(repositoryConfig);
 205
 206                         double duration = ((double) (System.currentTimeMillis() - begin)) / 1000;
 207                         if (log.isTraceEnabled())
 208                                 log.trace(
 209                                                 "Created Jackrabbit repository in " + duration + " s, home: " + repositoryConfig.getHomeDir());
 210
 211                         return repositoryContext;
 212                 } finally {
 213                         Thread.currentThread().setContextClassLoader(currentContextCl);
 214                 }
 215         }
 216
 217 }