X-Git-Url: https://git.argeo.org/?a=blobdiff_plain;f=server%2Fruntime%2Forg.argeo.server.jackrabbit%2Fsrc%2Fmain%2Fjava%2Forg%2Fargeo%2Fjcr%2FBeanNodeMapper.java;h=6f282bac7177143da530bc4f55df4d5b7f0f4c4c;hb=3c169a3fd8516288d846d53652b873a0d7dab2fc;hp=94a644bddb9452d990e490c24009a30f28ea283f;hpb=3049428581e087f337011c4a5095b68513e84721;p=lgpl%2Fargeo-commons.git diff --git a/server/runtime/org.argeo.server.jackrabbit/src/main/java/org/argeo/jcr/BeanNodeMapper.java b/server/runtime/org.argeo.server.jackrabbit/src/main/java/org/argeo/jcr/BeanNodeMapper.java index 94a644bdd..6f282bac7 100644 --- a/server/runtime/org.argeo.server.jackrabbit/src/main/java/org/argeo/jcr/BeanNodeMapper.java +++ b/server/runtime/org.argeo.server.jackrabbit/src/main/java/org/argeo/jcr/BeanNodeMapper.java @@ -28,9 +28,7 @@ import org.argeo.ArgeoException; import org.springframework.beans.BeanWrapper; import org.springframework.beans.BeanWrapperImpl; -//import org.springframework.beans.BeanWrapperImpl; - -public class BeanNodeMapper { +public class BeanNodeMapper implements NodeMapper { private final static Log log = LogFactory.getLog(BeanNodeMapper.class); private final static String NODE_VALUE = "value"; @@ -41,34 +39,64 @@ public class BeanNodeMapper { private Boolean versioning = false; private Boolean strictUuidReference = false; + + // TODO define a primaryNodeType Strategy private String primaryNodeType = null; private ClassLoader classLoader = getClass().getClassLoader(); - public String storagePath(Object obj) { - String clss = obj.getClass().getName(); - StringBuffer buf = new StringBuffer("/objects/"); - StringTokenizer st = new StringTokenizer(clss, "."); - while (st.hasMoreTokens()) { - buf.append(st.nextToken()).append('/'); - } - buf.append(obj.toString()); - return buf.toString(); - } + private NodeMapperProvider nodeMapperProvider; - public Node save(Session session, Object obj) { - return save(session, storagePath(obj), obj); + /** + * exposed method to retrieve a bean from a node + */ + public Object load(Node node) { + try { + if (nodeMapperProvider != null) { + NodeMapper nodeMapper = nodeMapperProvider.findNodeMapper(node); + if (nodeMapper != this) { + return nodeMapper.load(node); + } + } + return nodeToBean(node); + } catch (RepositoryException e) { + throw new ArgeoException("Cannot load object from node " + node, e); + } } + /** Update an existing node with an object */ public void update(Node node, Object obj) { try { - beanToNode(createBeanWrapper(obj), node); + if (nodeMapperProvider != null) { + + NodeMapper nodeMapper = nodeMapperProvider.findNodeMapper(node); + if (nodeMapper != this) { + nodeMapper.update(node, obj); + } else + beanToNode(createBeanWrapper(obj), node); + } else + beanToNode(createBeanWrapper(obj), node); } catch (RepositoryException e) { throw new ArgeoException("Cannot update node " + node + " with " + obj, e); } } + /** + * if no storage path is given; we use canonical path + * + * @see this.storagePath() + */ + public Node save(Session session, Object obj) { + return save(session, storagePath(obj), obj); + } + + /** + * Create a new node to store an object. If the parentNode doesn't exist, it + * is created + * + * the primaryNodeType may be initialized before + */ public Node save(Session session, String path, Object obj) { try { BeanWrapper beanWrapper = createBeanWrapper(obj); @@ -78,17 +106,28 @@ public class BeanNodeMapper { Node parentNode; if (session.itemExists(path)) parentNode = (Node) session.getItem(parentPath); - else + else { parentNode = JcrUtils.mkdirs(session, parentPath, null, versioning); + } // create node + if (primaryNodeType != null) node = parentNode.addNode(JcrUtils.lastPathElement(path), primaryNodeType); else node = parentNode.addNode(JcrUtils.lastPathElement(path)); - beanToNode(beanWrapper, node); + // Check specific cases + if (nodeMapperProvider != null) { + + NodeMapper nodeMapper = nodeMapperProvider.findNodeMapper(node); + if (nodeMapper != this) { + nodeMapper.update(node, obj); + return node; + } + } + update(node, obj); return node; } catch (ArgeoException e) { throw e; @@ -98,15 +137,30 @@ public class BeanNodeMapper { } } + /** + * Parse the FQN of a class to string with '/' delimiters Prefix the + * returned string with "/objects/" + */ + public String storagePath(Object obj) { + String clss = obj.getClass().getName(); + StringBuffer buf = new StringBuffer("/objects/"); + StringTokenizer st = new StringTokenizer(clss, "."); + while (st.hasMoreTokens()) { + buf.append(st.nextToken()).append('/'); + } + buf.append(obj.toString()); + return buf.toString(); + } + @SuppressWarnings("unchecked") - public Object nodeToBean(Node node) throws RepositoryException { + /** + * Transforms a node into an object of the class defined by classProperty Property + */ + protected Object nodeToBean(Node node) throws RepositoryException { String clssName = node.getProperty(classProperty).getValue() .getString(); - if (log.isDebugEnabled()) - log.debug("Map node " + node.getPath() + " to bean " + clssName); - BeanWrapper beanWrapper = createBeanWrapper(loadClass(clssName)); // process properties @@ -120,7 +174,8 @@ public class BeanNodeMapper { .getName()); Class propClass = pd.getPropertyType(); - // list + // Process case of List and its derived classes + // primitive list if (propClass != null && List.class.isAssignableFrom(propClass)) { List lst = new ArrayList(); Class valuesClass = classFromProperty(prop); @@ -131,6 +186,8 @@ public class BeanNodeMapper { continue props; } + // Case of other type of property accepted by jcr + // Long, Double, String, Binary, Date, Boolean, Name Object value = asObject(prop.getValue(), pd.getPropertyType()); if (value != null) beanWrapper.setPropertyValue(prop.getName(), value); @@ -147,8 +204,7 @@ public class BeanNodeMapper { PropertyDescriptor pd = beanWrapper.getPropertyDescriptor(name); Class propClass = pd.getPropertyType(); - log.debug(childNode.getName() + "=" + propClass); - + // objects list if (propClass != null && List.class.isAssignableFrom(propClass)) { String lstClass = childNode.getProperty(classProperty) .getString(); @@ -170,6 +226,7 @@ public class BeanNodeMapper { continue nodes; } + // objects map if (propClass != null && Map.class.isAssignableFrom(propClass)) { String mapClass = childNode.getProperty(classProperty) .getString(); @@ -221,15 +278,18 @@ public class BeanNodeMapper { return beanWrapper.getWrappedInstance(); } + /** + * Transforms an object to the specified jcr Node in order to persist it. + * + * @param beanWrapper + * @param node + * @throws RepositoryException + */ protected void beanToNode(BeanWrapper beanWrapper, Node node) throws RepositoryException { - if (log.isDebugEnabled()) - log.debug("Map bean to node " + node.getPath()); - properties: for (PropertyDescriptor pd : beanWrapper .getPropertyDescriptors()) { String name = pd.getName(); - if (!beanWrapper.isReadableProperty(name)) continue properties;// skip @@ -259,6 +319,7 @@ public class BeanNodeMapper { continue properties; } + // Some bean reference other classes. We must deal with this case if (value instanceof Class) { node.setProperty(name, ((Class) value).getName()); continue properties; @@ -302,6 +363,14 @@ public class BeanNodeMapper { } } + /** + * Process specific case of list + * + * @param node + * @param name + * @param lst + * @throws RepositoryException + */ protected void addList(Node node, String name, List lst) throws RepositoryException { if (node.hasNode(name)) {// update @@ -340,6 +409,14 @@ public class BeanNodeMapper { } } + /** + * Process specific case of maps. + * + * @param node + * @param name + * @param map + * @throws RepositoryException + */ protected void addMap(Node node, String name, Map map) throws RepositoryException { if (node.hasNode(name)) {// update @@ -477,6 +554,7 @@ public class BeanNodeMapper { } protected Class loadClass(String name) { + // log.debug("Class loader: " + classLoader); try { return classLoader.loadClass(name); } catch (ClassNotFoundException e) { @@ -512,4 +590,15 @@ public class BeanNodeMapper { this.classLoader = classLoader; } + public void setNodeMapperProvider(NodeMapperProvider nodeMapperProvider) { + this.nodeMapperProvider = nodeMapperProvider; + } + + public String getPrimaryNodeType() { + return this.primaryNodeType; + } + + public String getClassProperty() { + return this.classProperty; + } }