org.argeo.cms/src/org/argeo/cms/internal/jcr/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                                 URI uri = new URI(homeUri);
 105                                 String host = uri.getHost();
 106                                 if (host == null || host.trim().equals("")) {
 107                                         homePath = Paths.get(uri).toAbsolutePath();
 108                                 } else {
 109                                         // TODO remote at this stage?
 110                                         throw new IllegalArgumentException("Cannot manage repository path for host " + host);
 111                                 }
 112                         } catch (URISyntaxException e) {
 113                                 throw new CmsException("Invalid repository home URI", e);
 114                         }
 115                 }
 116                 // TODO use Jackrabbit API (?)
 117                 Path rootUuidPath = homePath.resolve("repository/meta/rootUUID");
 118                 try {
 119                         if (!Files.exists(rootUuidPath)) {
 120                                 Files.createDirectories(rootUuidPath.getParent());
 121                                 Files.write(rootUuidPath, UUID.randomUUID().toString().getBytes());
 122                         }
 123                         // File homeDir = homePath.toFile();
 124                         // homeDir.mkdirs();
 125                 } catch (IOException e) {
 126                         throw new CmsException("Cannot set up repository  home " + homePath, e);
 127                 }
 128                 // home cannot be overridden
 129                 props.put(RepositoryConfigurationParser.REPOSITORY_HOME_VARIABLE, homePath.toString());
 130
 131                 setProp(props, RepoConf.indexesBase, CmsPaths.getRepoIndexesBase().toString());
 132                 // common
 133                 setProp(props, RepoConf.defaultWorkspace);
 134                 setProp(props, RepoConf.maxPoolSize);
 135                 // Jackrabbit defaults
 136                 setProp(props, RepoConf.bundleCacheMB);
 137                 // See http://wiki.apache.org/jackrabbit/Search
 138                 setProp(props, RepoConf.extractorPoolSize);
 139                 setProp(props, RepoConf.searchCacheSize);
 140                 setProp(props, RepoConf.maxVolatileIndexSize);
 141
 142                 // specific
 143                 String dburl;
 144                 switch (type) {
 145                 case h2:
 146                         dburl = "jdbc:h2:" + homePath.toAbsolutePath() + "/h2/repository";
 147                         setProp(props, RepoConf.dburl, dburl);
 148                         setProp(props, RepoConf.dbuser, "sa");
 149                         setProp(props, RepoConf.dbpassword, "");
 150                         break;
 151                 case postgresql:
 152                 case postgresql_ds:
 153                 case postgresql_cluster:
 154                 case postgresql_cluster_ds:
 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.isDebugEnabled())
 204                                 log.debug(
 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 }