From 5631e9aabdf21427e0945264e76f00a4d53f2a31 Mon Sep 17 00:00:00 2001 From: Andrew Branson Date: Thu, 24 Jul 2014 10:44:22 +0200 Subject: Move to xmldb subpackage of com.c2kernel.persistency.xmldb --- .../c2kernel/persistency/XMLDBClusterStorage.java | 263 +-------------------- .../persistency/xmldb/XMLDBClusterStorage.java | 257 ++++++++++++++++++++ 2 files changed, 264 insertions(+), 256 deletions(-) create mode 100644 src/main/java/com/c2kernel/persistency/xmldb/XMLDBClusterStorage.java diff --git a/src/main/java/com/c2kernel/persistency/XMLDBClusterStorage.java b/src/main/java/com/c2kernel/persistency/XMLDBClusterStorage.java index 3d814e7..b136ab4 100644 --- a/src/main/java/com/c2kernel/persistency/XMLDBClusterStorage.java +++ b/src/main/java/com/c2kernel/persistency/XMLDBClusterStorage.java @@ -1,262 +1,13 @@ package com.c2kernel.persistency; -import java.io.UnsupportedEncodingException; -import java.net.URLDecoder; -import java.util.ArrayList; - -import org.xmldb.api.DatabaseManager; -import org.xmldb.api.base.Collection; -import org.xmldb.api.base.Database; -import org.xmldb.api.base.ErrorCodes; -import org.xmldb.api.base.Resource; -import org.xmldb.api.base.XMLDBException; -import org.xmldb.api.modules.CollectionManagementService; - -import com.c2kernel.entity.C2KLocalObject; -import com.c2kernel.persistency.outcome.Outcome; -import com.c2kernel.process.Gateway; -import com.c2kernel.process.auth.Authenticator; -import com.c2kernel.utils.Logger; - -public class XMLDBClusterStorage extends ClusterStorage { - - public static final String XMLDB_URI = "XMLDB.URI"; - public static final String XMLDB_USER = "XMLDB.user"; - public static final String XMLDB_PASSWORD = "XMLDB.password"; - public static final String XMLDB_ROOT = "XMLDB.root"; - protected Database database; - protected Collection root; +/** + * Provided for easier loading (may be referenced without package in ClusterStorage property) + * @author abranson + * + */ +public class XMLDBClusterStorage extends com.c2kernel.persistency.xmldb.XMLDBClusterStorage { public XMLDBClusterStorage() throws Exception { - - } - - /** - * @param parent - * @param name - * @param create - * @return - * @throws ClusterStorageException - */ - protected static Collection verifyCollection(Collection parent, String name, boolean create) throws ClusterStorageException { - Collection coll; - try { - coll = parent.getChildCollection(name); - if (coll == null) - throw new XMLDBException(ErrorCodes.NO_SUCH_COLLECTION); - } catch (XMLDBException ex) { - if (ex.errorCode == ErrorCodes.NO_SUCH_COLLECTION) { - if (create) { - try { - CollectionManagementService collManager = (CollectionManagementService)parent.getService("CollectionManagementService", "1.0"); - coll = collManager.createCollection(name); - } catch (Exception ex2) { - throw new ClusterStorageException("Could not create XMLDB collection for item "+name); - } - } - else // not found - return null; - } - else { - Logger.error(ex); - throw new ClusterStorageException("Error loading XMLDB collection for item "+name); - } - } - return coll; - } - - /* (non-Javadoc) - * @see com.c2kernel.persistency.ClusterStorage#open() - */ - @Override - public void open(Authenticator auth) throws ClusterStorageException { - - final String driver = "org.exist.xmldb.DatabaseImpl"; - // Uncomment the following for integrated existdb - //System.setProperty("exist.initdb", "true"); - //System.setProperty("exist.home", Gateway.getProperty("XMLDB.home")); - try { - Class cl = Class.forName(driver); - database = (Database) cl.newInstance(); - database.setProperty("create-database", "true"); - DatabaseManager.registerDatabase(database); - Collection db = DatabaseManager.getCollection(Gateway.getProperties().getProperty(XMLDB_URI), - Gateway.getProperties().getProperty(XMLDB_USER), Gateway.getProperties().getProperty(XMLDB_PASSWORD)); - String rootColl = Gateway.getProperties().getProperty(XMLDB_ROOT); - if (rootColl != null && rootColl.length()>0) { - root = verifyCollection(db, rootColl, true); - db.close(); - } - else - root = db; - - } catch (Exception ex) { - Logger.error(ex); - throw new ClusterStorageException("Error initializing XMLDB"); - } - - if (root == null) - throw new ClusterStorageException("Root collection is null. Problem connecting to XMLDB."); - } - - /* (non-Javadoc) - * @see com.c2kernel.persistency.ClusterStorage#close() - */ - @Override - public void close() throws ClusterStorageException { - try { - root.close(); - //DatabaseInstanceManager manager = (DatabaseInstanceManager)db.getService("DatabaseInstanceManager", "1.0"); - //manager.shutdown(); - } catch (XMLDBException e) { - Logger.error(e); - throw new ClusterStorageException("Error shutting down eXist XMLDB"); - } - - - } - - /* (non-Javadoc) - * @see com.c2kernel.persistency.ClusterStorage#queryClusterSupport(java.lang.String) - */ - @Override - public short queryClusterSupport(String clusterType) { - return READWRITE; + super(); } - - /* (non-Javadoc) - * @see com.c2kernel.persistency.ClusterStorage#getName() - */ - @Override - public String getName() { - return "XMLDB"; - } - - /* (non-Javadoc) - * @see com.c2kernel.persistency.ClusterStorage#getId() - */ - @Override - public String getId() { - return "XMLDB"; - } - - /* (non-Javadoc) - * @see com.c2kernel.persistency.ClusterStorage#get(java.lang.Integer, java.lang.String) - */ - @Override - public C2KLocalObject get(Integer sysKey, String path) - throws ClusterStorageException { - String type = ClusterStorage.getClusterType(path); - // Get item collection - String strSysKey = String.valueOf(sysKey); - Collection itemColl = verifyCollection(root, strSysKey, false); - if (itemColl == null) return null; // doesn't exist - - try { - String resourceName = path.replace('/', '.'); - Resource resource = itemColl.getResource(resourceName); - if (resource != null) { - String objString = (String)resource.getContent(); - itemColl.close(); - if (type.equals(OUTCOME)) - return new Outcome(path, objString); - else { - C2KLocalObject obj = (C2KLocalObject)Gateway.getMarshaller().unmarshall(objString); - return obj; - } - } - else - return null; - } catch (Exception e) { - Logger.error(e); - throw new ClusterStorageException("XMLDB error"); - } - } - - /* (non-Javadoc) - * @see com.c2kernel.persistency.ClusterStorage#put(java.lang.Integer, com.c2kernel.entity.C2KLocalObject) - */ - @Override - public void put(Integer sysKey, C2KLocalObject obj) - throws ClusterStorageException { - - String resName = getPath(obj); - String strSysKey = String.valueOf(sysKey); - Collection itemColl = verifyCollection(root, strSysKey, true); - - try { - resName = resName.replace('/', '.'); - String objString = Gateway.getMarshaller().marshall(obj); - Resource res = itemColl.getResource(resName); - if (res == null) - res = itemColl.createResource(resName, "XMLResource"); - res.setContent(objString); - itemColl.storeResource(res); - itemColl.close(); - } catch (Exception e) { - Logger.error(e); - throw new ClusterStorageException("XMLDB error"); - } - } - - /* (non-Javadoc) - * @see com.c2kernel.persistency.ClusterStorage#delete(java.lang.Integer, java.lang.String) - */ - @Override - public void delete(Integer sysKey, String path) - throws ClusterStorageException { - String strSysKey = String.valueOf(sysKey); - Collection itemColl = verifyCollection(root, strSysKey, false); - if (itemColl == null) return; - - - try { - String resource = path.replace('/', '.'); - Resource res = itemColl.getResource(resource); - if (res != null) itemColl.removeResource(res); - itemColl.close(); itemColl.close(); - } catch (Exception e) { - Logger.error(e); - throw new ClusterStorageException("XMLClusterStorage.delete() - Could not delete "+path+" to "+sysKey); - } - } - - /* (non-Javadoc) - * @see com.c2kernel.persistency.ClusterStorage#getClusterContents(java.lang.Integer, java.lang.String) - */ - @Override - public String[] getClusterContents(Integer sysKey, String path) - throws ClusterStorageException { - String strSysKey = String.valueOf(sysKey); - Collection coll = verifyCollection(root, strSysKey, false); - if (coll == null) return new String[0]; - ArrayList contents = new ArrayList(); - - // Find prefix for our path level - StringBuffer resPrefix = new StringBuffer(); - String[] pathComps = path.split("/"); - if (pathComps.length > 0) - for (int i = 0; i < pathComps.length; i++) { - if (pathComps[i].length()>0) resPrefix.append(pathComps[i]).append("."); - } - // Look at each entry for matches. Trim off the ends. - try { - for (String res: coll.listResources()) { - if (res.startsWith(resPrefix.toString())) { - String resName = URLDecoder.decode(res.substring(resPrefix.length()), "UTF-8"); - if (resName.indexOf('.')>-1) - resName = resName.substring(0, resName.indexOf('.')); - if (!contents.contains(resName)) contents.add(resName); - } - } - } catch (XMLDBException e) { - Logger.error(e); - throw new ClusterStorageException("Error listing collection resources for item "+strSysKey); - } catch (UnsupportedEncodingException e) { - Logger.error(e); - throw new ClusterStorageException("Error listing decoding resource name for item "+strSysKey); - } - return contents.toArray(new String[contents.size()]); - } - } diff --git a/src/main/java/com/c2kernel/persistency/xmldb/XMLDBClusterStorage.java b/src/main/java/com/c2kernel/persistency/xmldb/XMLDBClusterStorage.java new file mode 100644 index 0000000..941350b --- /dev/null +++ b/src/main/java/com/c2kernel/persistency/xmldb/XMLDBClusterStorage.java @@ -0,0 +1,257 @@ +package com.c2kernel.persistency.xmldb; + +import java.io.UnsupportedEncodingException; +import java.net.URLDecoder; +import java.util.ArrayList; + +import org.xmldb.api.DatabaseManager; +import org.xmldb.api.base.Collection; +import org.xmldb.api.base.Database; +import org.xmldb.api.base.ErrorCodes; +import org.xmldb.api.base.Resource; +import org.xmldb.api.base.XMLDBException; +import org.xmldb.api.modules.CollectionManagementService; + +import com.c2kernel.entity.C2KLocalObject; +import com.c2kernel.persistency.ClusterStorage; +import com.c2kernel.persistency.ClusterStorageException; +import com.c2kernel.persistency.outcome.Outcome; +import com.c2kernel.process.Gateway; +import com.c2kernel.process.auth.Authenticator; +import com.c2kernel.utils.Logger; + +public class XMLDBClusterStorage extends ClusterStorage { + + public static final String XMLDB_URI = "XMLDB.URI"; + public static final String XMLDB_USER = "XMLDB.user"; + public static final String XMLDB_PASSWORD = "XMLDB.password"; + public static final String XMLDB_ROOT = "XMLDB.root"; + protected Database database; + protected Collection root; + + public XMLDBClusterStorage() throws Exception { + + } + + protected static Collection verifyCollection(Collection parent, String name, boolean create) throws ClusterStorageException { + Collection coll; + try { + coll = parent.getChildCollection(name); + if (coll == null) + throw new XMLDBException(ErrorCodes.NO_SUCH_COLLECTION); + } catch (XMLDBException ex) { + if (ex.errorCode == ErrorCodes.NO_SUCH_COLLECTION) { + if (create) { + try { + CollectionManagementService collManager = (CollectionManagementService)parent.getService("CollectionManagementService", "1.0"); + coll = collManager.createCollection(name); + } catch (Exception ex2) { + throw new ClusterStorageException("Could not create XMLDB collection for item "+name); + } + } + else // not found + return null; + } + else { + Logger.error(ex); + throw new ClusterStorageException("Error loading XMLDB collection for item "+name); + } + } + return coll; + } + + /* (non-Javadoc) + * @see com.c2kernel.persistency.ClusterStorage#open() + */ + @Override + public void open(Authenticator auth) throws ClusterStorageException { + + final String driver = "org.exist.xmldb.DatabaseImpl"; + // Uncomment the following for integrated existdb + //System.setProperty("exist.initdb", "true"); + //System.setProperty("exist.home", Gateway.getProperty("XMLDB.home")); + try { + Class cl = Class.forName(driver); + database = (Database) cl.newInstance(); + database.setProperty("create-database", "true"); + DatabaseManager.registerDatabase(database); + Collection db = DatabaseManager.getCollection(Gateway.getProperties().getProperty(XMLDB_URI), + Gateway.getProperties().getProperty(XMLDB_USER), Gateway.getProperties().getProperty(XMLDB_PASSWORD)); + String rootColl = Gateway.getProperties().getProperty(XMLDB_ROOT); + if (rootColl != null && rootColl.length()>0) { + root = verifyCollection(db, rootColl, true); + db.close(); + } + else + root = db; + + } catch (Exception ex) { + Logger.error(ex); + throw new ClusterStorageException("Error initializing XMLDB"); + } + + if (root == null) + throw new ClusterStorageException("Root collection is null. Problem connecting to XMLDB."); + } + + /* (non-Javadoc) + * @see com.c2kernel.persistency.ClusterStorage#close() + */ + @Override + public void close() throws ClusterStorageException { + try { + root.close(); + //DatabaseInstanceManager manager = (DatabaseInstanceManager)db.getService("DatabaseInstanceManager", "1.0"); + //manager.shutdown(); + } catch (XMLDBException e) { + Logger.error(e); + throw new ClusterStorageException("Error shutting down eXist XMLDB"); + } + + + } + + /* (non-Javadoc) + * @see com.c2kernel.persistency.ClusterStorage#queryClusterSupport(java.lang.String) + */ + @Override + public short queryClusterSupport(String clusterType) { + return READWRITE; + } + + /* (non-Javadoc) + * @see com.c2kernel.persistency.ClusterStorage#getName() + */ + @Override + public String getName() { + return "XMLDB"; + } + + /* (non-Javadoc) + * @see com.c2kernel.persistency.ClusterStorage#getId() + */ + @Override + public String getId() { + return "XMLDB"; + } + + /* (non-Javadoc) + * @see com.c2kernel.persistency.ClusterStorage#get(java.lang.Integer, java.lang.String) + */ + @Override + public C2KLocalObject get(Integer sysKey, String path) + throws ClusterStorageException { + String type = ClusterStorage.getClusterType(path); + // Get item collection + String strSysKey = String.valueOf(sysKey); + Collection itemColl = verifyCollection(root, strSysKey, false); + if (itemColl == null) return null; // doesn't exist + + try { + String resourceName = path.replace('/', '.'); + Resource resource = itemColl.getResource(resourceName); + if (resource != null) { + String objString = (String)resource.getContent(); + itemColl.close(); + if (type.equals(OUTCOME)) + return new Outcome(path, objString); + else { + C2KLocalObject obj = (C2KLocalObject)Gateway.getMarshaller().unmarshall(objString); + return obj; + } + } + else + return null; + } catch (Exception e) { + Logger.error(e); + throw new ClusterStorageException("XMLDB error"); + } + } + + /* (non-Javadoc) + * @see com.c2kernel.persistency.ClusterStorage#put(java.lang.Integer, com.c2kernel.entity.C2KLocalObject) + */ + @Override + public void put(Integer sysKey, C2KLocalObject obj) + throws ClusterStorageException { + + String resName = getPath(obj); + String strSysKey = String.valueOf(sysKey); + Collection itemColl = verifyCollection(root, strSysKey, true); + + try { + resName = resName.replace('/', '.'); + String objString = Gateway.getMarshaller().marshall(obj); + Resource res = itemColl.getResource(resName); + if (res == null) + res = itemColl.createResource(resName, "XMLResource"); + res.setContent(objString); + itemColl.storeResource(res); + itemColl.close(); + } catch (Exception e) { + Logger.error(e); + throw new ClusterStorageException("XMLDB error"); + } + } + + /* (non-Javadoc) + * @see com.c2kernel.persistency.ClusterStorage#delete(java.lang.Integer, java.lang.String) + */ + @Override + public void delete(Integer sysKey, String path) + throws ClusterStorageException { + String strSysKey = String.valueOf(sysKey); + Collection itemColl = verifyCollection(root, strSysKey, false); + if (itemColl == null) return; + + + try { + String resource = path.replace('/', '.'); + Resource res = itemColl.getResource(resource); + if (res != null) itemColl.removeResource(res); + itemColl.close(); itemColl.close(); + } catch (Exception e) { + Logger.error(e); + throw new ClusterStorageException("XMLClusterStorage.delete() - Could not delete "+path+" to "+sysKey); + } + } + + /* (non-Javadoc) + * @see com.c2kernel.persistency.ClusterStorage#getClusterContents(java.lang.Integer, java.lang.String) + */ + @Override + public String[] getClusterContents(Integer sysKey, String path) + throws ClusterStorageException { + String strSysKey = String.valueOf(sysKey); + Collection coll = verifyCollection(root, strSysKey, false); + if (coll == null) return new String[0]; + ArrayList contents = new ArrayList(); + + // Find prefix for our path level + StringBuffer resPrefix = new StringBuffer(); + String[] pathComps = path.split("/"); + if (pathComps.length > 0) + for (int i = 0; i < pathComps.length; i++) { + if (pathComps[i].length()>0) resPrefix.append(pathComps[i]).append("."); + } + // Look at each entry for matches. Trim off the ends. + try { + for (String res: coll.listResources()) { + if (res.startsWith(resPrefix.toString())) { + String resName = URLDecoder.decode(res.substring(resPrefix.length()), "UTF-8"); + if (resName.indexOf('.')>-1) + resName = resName.substring(0, resName.indexOf('.')); + if (!contents.contains(resName)) contents.add(resName); + } + } + } catch (XMLDBException e) { + Logger.error(e); + throw new ClusterStorageException("Error listing collection resources for item "+strSysKey); + } catch (UnsupportedEncodingException e) { + Logger.error(e); + throw new ClusterStorageException("Error listing decoding resource name for item "+strSysKey); + } + return contents.toArray(new String[contents.size()]); + } + +} -- cgit v1.2.3