/** * This file Copyright (c) 2011-2012 Magnolia International * Ltd. (http://www.magnolia-cms.com). All rights reserved. * * * This file is dual-licensed under both the Magnolia * Network Agreement and the GNU General Public License. * You may elect to use one or the other of these licenses. * * This file is distributed in the hope that it will be * useful, but AS-IS and WITHOUT ANY WARRANTY; without even the * implied warranty of MERCHANTABILITY or FITNESS FOR A * PARTICULAR PURPOSE, TITLE, or NONINFRINGEMENT. * Redistribution, except as permitted by whichever of the GPL * or MNA you select, is prohibited. * * 1. For the GPL license (GPL), you can redistribute and/or * modify this file under the terms of the GNU General * Public License, Version 3, as published by the Free Software * Foundation. You should have received a copy of the GNU * General Public License, Version 3 along with this program; * if not, write to the Free Software Foundation, Inc., 51 * Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. * * 2. For the Magnolia Network Agreement (MNA), this file * and the accompanying materials are made available under the * terms of the MNA which accompanies this distribution, and * is available at http://www.magnolia-cms.com/mna.html * * Any modifications to this file must keep this entire header * intact. * */ package info.magnolia.jcr.wrapper; import info.magnolia.jcr.util.NodeUtil; import java.io.InputStream; import java.math.BigDecimal; import java.util.Calendar; import javax.jcr.AccessDeniedException; import javax.jcr.Binary; import javax.jcr.InvalidItemStateException; import javax.jcr.InvalidLifecycleTransitionException; import javax.jcr.Item; import javax.jcr.ItemExistsException; import javax.jcr.ItemNotFoundException; import javax.jcr.ItemVisitor; import javax.jcr.MergeException; import javax.jcr.NoSuchWorkspaceException; import javax.jcr.Node; import javax.jcr.NodeIterator; import javax.jcr.PathNotFoundException; import javax.jcr.Property; import javax.jcr.PropertyIterator; import javax.jcr.ReferentialIntegrityException; import javax.jcr.RepositoryException; import javax.jcr.Session; import javax.jcr.UnsupportedRepositoryOperationException; import javax.jcr.Value; import javax.jcr.ValueFormatException; import javax.jcr.lock.Lock; import javax.jcr.lock.LockException; import javax.jcr.nodetype.ConstraintViolationException; import javax.jcr.nodetype.NoSuchNodeTypeException; import javax.jcr.nodetype.NodeDefinition; import javax.jcr.nodetype.NodeType; import javax.jcr.version.ActivityViolationException; import javax.jcr.version.Version; import javax.jcr.version.VersionException; import javax.jcr.version.VersionHistory; /** * Wrapper for JCR node. * * @version $Id$ */ public abstract class DelegateNodeWrapper implements Node, Cloneable { protected Node wrapped; protected DelegateNodeWrapper() { } protected DelegateNodeWrapper(Node node) { setWrappedNode(node); } public Node getWrappedNode() { return this.wrapped; } public void setWrappedNode(Node node) { if (NodeUtil.isWrappedWith(node, this.getClass())) { throw new IllegalArgumentException(node + " is already wrapped by " + this.getClass().getName() + " and double wrapping is not supported."); } this.wrapped = node; } @Override public String toString() { return wrapped != null ? wrapped.toString() : ""; } ///////////// // // Delegating method stubs // ///////////// @Override public void addMixin(String mixinName) throws NoSuchNodeTypeException, VersionException, ConstraintViolationException, LockException, RepositoryException { getWrappedNode().addMixin(mixinName); } @Override public Node addNode(String relPath) throws ItemExistsException, PathNotFoundException, VersionException, ConstraintViolationException, LockException, RepositoryException { return getWrappedNode().addNode(relPath); } @Override public Node addNode(String relPath, String primaryNodeTypeName) throws ItemExistsException, PathNotFoundException, NoSuchNodeTypeException, LockException, VersionException, ConstraintViolationException, RepositoryException { return getWrappedNode().addNode(relPath, primaryNodeTypeName); } @Override public boolean canAddMixin(String mixinName) throws NoSuchNodeTypeException, RepositoryException { return getWrappedNode().canAddMixin(mixinName); } @Override public void cancelMerge(Version version) throws VersionException, InvalidItemStateException, UnsupportedRepositoryOperationException, RepositoryException { getWrappedNode().cancelMerge(version); } @Override public Version checkin() throws VersionException, UnsupportedRepositoryOperationException, InvalidItemStateException, LockException, RepositoryException { return getWrappedNode().checkin(); } @Override public void checkout() throws UnsupportedRepositoryOperationException, LockException, ActivityViolationException, RepositoryException { getWrappedNode().checkout(); } @Override public void doneMerge(Version version) throws VersionException, InvalidItemStateException, UnsupportedRepositoryOperationException, RepositoryException { } @Override public void followLifecycleTransition(String transition) throws UnsupportedRepositoryOperationException, InvalidLifecycleTransitionException, RepositoryException { getWrappedNode().followLifecycleTransition(transition); } @Override public String[] getAllowedLifecycleTransistions() throws UnsupportedRepositoryOperationException, RepositoryException { return getWrappedNode().getAllowedLifecycleTransistions(); } @Override public Version getBaseVersion() throws UnsupportedRepositoryOperationException, RepositoryException { return getWrappedNode().getBaseVersion(); } @Override public String getCorrespondingNodePath(String workspaceName) throws ItemNotFoundException, NoSuchWorkspaceException, AccessDeniedException, RepositoryException { return getWrappedNode().getCorrespondingNodePath(workspaceName); } @Override public NodeDefinition getDefinition() throws RepositoryException { return getWrappedNode().getDefinition(); } @Override public String getIdentifier() throws RepositoryException { return getWrappedNode().getIdentifier(); } @Override public int getIndex() throws RepositoryException { return getWrappedNode().getIndex(); } @Override public Lock getLock() throws UnsupportedRepositoryOperationException, LockException, AccessDeniedException, RepositoryException { return getWrappedNode().getLock(); } @Override public NodeType[] getMixinNodeTypes() throws RepositoryException { return getWrappedNode().getMixinNodeTypes(); } @Override public Node getNode(String relPath) throws PathNotFoundException, RepositoryException { return getWrappedNode().getNode(relPath); } @Override public NodeIterator getNodes() throws RepositoryException { return getWrappedNode().getNodes(); } @Override public NodeIterator getNodes(String namePattern) throws RepositoryException { return getWrappedNode().getNodes(namePattern); } @Override public NodeIterator getNodes(String[] nameGlobs) throws RepositoryException { return getWrappedNode().getNodes(nameGlobs); } @Override public Item getPrimaryItem() throws ItemNotFoundException, RepositoryException { return getWrappedNode().getPrimaryItem(); } @Override public NodeType getPrimaryNodeType() throws RepositoryException { return getWrappedNode().getPrimaryNodeType(); } @Override public PropertyIterator getProperties() throws RepositoryException { return getWrappedNode().getProperties(); } @Override public PropertyIterator getProperties(String namePattern) throws RepositoryException { return getWrappedNode().getProperties(namePattern); } @Override public PropertyIterator getProperties(String[] nameGlobs) throws RepositoryException { return getWrappedNode().getProperties(nameGlobs); } @Override public Property getProperty(String relPath) throws PathNotFoundException, RepositoryException { return getWrappedNode().getProperty(relPath); } @Override public PropertyIterator getReferences() throws RepositoryException { return getWrappedNode().getReferences(); } @Override public PropertyIterator getReferences(String name) throws RepositoryException { return getWrappedNode().getReferences(name); } @Override public NodeIterator getSharedSet() throws RepositoryException { return getWrappedNode().getSharedSet(); } @Override public String getUUID() throws UnsupportedRepositoryOperationException, RepositoryException { return getWrappedNode().getUUID(); } @Override public VersionHistory getVersionHistory() throws UnsupportedRepositoryOperationException, RepositoryException { return getWrappedNode().getVersionHistory(); } @Override public PropertyIterator getWeakReferences() throws RepositoryException { return getWrappedNode().getWeakReferences(); } @Override public PropertyIterator getWeakReferences(String name) throws RepositoryException { return getWrappedNode().getWeakReferences(name); } @Override public boolean hasNode(String relPath) throws RepositoryException { return getWrappedNode().hasNode(relPath); } @Override public boolean hasNodes() throws RepositoryException { return getWrappedNode().hasNodes(); } @Override public boolean hasProperties() throws RepositoryException { return getWrappedNode().hasProperties(); } @Override public boolean hasProperty(String relPath) throws RepositoryException { return getWrappedNode().hasProperty(relPath); } @Override public boolean holdsLock() throws RepositoryException { return getWrappedNode().holdsLock(); } @Override public boolean isCheckedOut() throws RepositoryException { return getWrappedNode().isCheckedOut(); } @Override public boolean isLocked() throws RepositoryException { return getWrappedNode().isLocked(); } @Override public boolean isNodeType(String nodeTypeName) throws RepositoryException { return getWrappedNode().isNodeType(nodeTypeName); } @Override public Lock lock(boolean isDeep, boolean isSessionScoped) throws UnsupportedRepositoryOperationException, LockException, AccessDeniedException, InvalidItemStateException, RepositoryException { return getWrappedNode().lock(isDeep, isSessionScoped); } @Override public NodeIterator merge(String srcWorkspace, boolean bestEffort) throws NoSuchWorkspaceException, AccessDeniedException, MergeException, LockException, InvalidItemStateException, RepositoryException { return getWrappedNode().merge(srcWorkspace, bestEffort); } @Override public void orderBefore(String srcChildRelPath, String destChildRelPath) throws UnsupportedRepositoryOperationException, VersionException, ConstraintViolationException, ItemNotFoundException, LockException, RepositoryException { getWrappedNode().orderBefore(srcChildRelPath, destChildRelPath); } @Override public void removeMixin(String mixinName) throws NoSuchNodeTypeException, VersionException, ConstraintViolationException, LockException, RepositoryException { getWrappedNode().removeMixin(mixinName); } @Override public void removeShare() throws VersionException, LockException, ConstraintViolationException, RepositoryException { getWrappedNode().removeShare(); } @Override public void removeSharedSet() throws VersionException, LockException, ConstraintViolationException, RepositoryException { getWrappedNode().removeSharedSet(); } @Override public void restore(String versionName, boolean removeExisting) throws VersionException, ItemExistsException, UnsupportedRepositoryOperationException, LockException, InvalidItemStateException, RepositoryException { getWrappedNode().restore(versionName, removeExisting); } @Override public void restore(Version version, boolean removeExisting) throws VersionException, ItemExistsException, InvalidItemStateException, UnsupportedRepositoryOperationException, LockException, RepositoryException { getWrappedNode().restore(version, removeExisting); } @Override public void restore(Version version, String relPath, boolean removeExisting) throws PathNotFoundException, ItemExistsException, VersionException, ConstraintViolationException, UnsupportedRepositoryOperationException, LockException, InvalidItemStateException, RepositoryException { getWrappedNode().restore(version, relPath, removeExisting); } @Override public void restoreByLabel(String versionLabel, boolean removeExisting) throws VersionException, ItemExistsException, UnsupportedRepositoryOperationException, LockException, InvalidItemStateException, RepositoryException { getWrappedNode().restoreByLabel(versionLabel, removeExisting); } @Override public void setPrimaryType(String nodeTypeName) throws NoSuchNodeTypeException, VersionException, ConstraintViolationException, LockException, RepositoryException { getWrappedNode().setPrimaryType(nodeTypeName); } @Override public Property setProperty(String name, Value value) throws ValueFormatException, VersionException, LockException, ConstraintViolationException, RepositoryException { return getWrappedNode().setProperty(name, value); } @Override public Property setProperty(String name, Value[] values) throws ValueFormatException, VersionException, LockException, ConstraintViolationException, RepositoryException { return getWrappedNode().setProperty(name, values); } @Override public Property setProperty(String name, String[] values) throws ValueFormatException, VersionException, LockException, ConstraintViolationException, RepositoryException { return getWrappedNode().setProperty(name, values); } @Override public Property setProperty(String name, String value) throws ValueFormatException, VersionException, LockException, ConstraintViolationException, RepositoryException { return getWrappedNode().setProperty(name, value); } @Override public Property setProperty(String name, InputStream value) throws ValueFormatException, VersionException, LockException, ConstraintViolationException, RepositoryException { return getWrappedNode().setProperty(name, value); } @Override public Property setProperty(String name, Binary value) throws ValueFormatException, VersionException, LockException, ConstraintViolationException, RepositoryException { return getWrappedNode().setProperty(name, value); } @Override public Property setProperty(String name, boolean value) throws ValueFormatException, VersionException, LockException, ConstraintViolationException, RepositoryException { return getWrappedNode().setProperty(name, value); } @Override public Property setProperty(String name, double value) throws ValueFormatException, VersionException, LockException, ConstraintViolationException, RepositoryException { return getWrappedNode().setProperty(name, value); } @Override public Property setProperty(String name, BigDecimal value) throws ValueFormatException, VersionException, LockException, ConstraintViolationException, RepositoryException { return getWrappedNode().setProperty(name, value); } @Override public Property setProperty(String name, long value) throws ValueFormatException, VersionException, LockException, ConstraintViolationException, RepositoryException { return getWrappedNode().setProperty(name, value); } @Override public Property setProperty(String name, Calendar value) throws ValueFormatException, VersionException, LockException, ConstraintViolationException, RepositoryException { return getWrappedNode().setProperty(name, value); } @Override public Property setProperty(String name, Node value) throws ValueFormatException, VersionException, LockException, ConstraintViolationException, RepositoryException { return getWrappedNode().setProperty(name, value); } @Override public Property setProperty(String name, Value value, int type) throws ValueFormatException, VersionException, LockException, ConstraintViolationException, RepositoryException { return getWrappedNode().setProperty(name, value, type); } @Override public Property setProperty(String name, Value[] values, int type) throws ValueFormatException, VersionException, LockException, ConstraintViolationException, RepositoryException { return getWrappedNode().setProperty(name, values, type); } @Override public Property setProperty(String name, String[] values, int type) throws ValueFormatException, VersionException, LockException, ConstraintViolationException, RepositoryException { return getWrappedNode().setProperty(name, values, type); } @Override public Property setProperty(String name, String value, int type) throws ValueFormatException, VersionException, LockException, ConstraintViolationException, RepositoryException { return getWrappedNode().setProperty(name, value, type); } @Override public void unlock() throws UnsupportedRepositoryOperationException, LockException, AccessDeniedException, InvalidItemStateException, RepositoryException { getWrappedNode().unlock(); } @Override public void update(String srcWorkspace) throws NoSuchWorkspaceException, AccessDeniedException, LockException, InvalidItemStateException, RepositoryException { getWrappedNode().update(srcWorkspace); } @Override public void accept(ItemVisitor visitor) throws RepositoryException { getWrappedNode().accept(visitor); } @Override public Item getAncestor(int depth) throws ItemNotFoundException, AccessDeniedException, RepositoryException { return getWrappedNode().getAncestor(depth); } @Override public int getDepth() throws RepositoryException { return getWrappedNode().getDepth(); } @Override public String getName() throws RepositoryException { return getWrappedNode().getName(); } @Override public Node getParent() throws ItemNotFoundException, AccessDeniedException, RepositoryException { return getWrappedNode().getParent(); } @Override public String getPath() throws RepositoryException { return getWrappedNode().getPath(); } @Override public Session getSession() throws RepositoryException { return getWrappedNode().getSession(); } @Override public boolean isModified() { return getWrappedNode().isModified(); } @Override public boolean isNew() { return getWrappedNode().isNew(); } @Override public boolean isNode() { return getWrappedNode().isNode(); } @Override public boolean isSame(Item otherItem) throws RepositoryException { return getWrappedNode().isSame(otherItem); } @Override public void refresh(boolean keepChanges) throws InvalidItemStateException, RepositoryException { getWrappedNode().refresh(keepChanges); } @Override public void remove() throws VersionException, LockException, ConstraintViolationException, AccessDeniedException, RepositoryException { getWrappedNode().remove(); } @Override public void save() throws AccessDeniedException, ItemExistsException, ConstraintViolationException, InvalidItemStateException, ReferentialIntegrityException, VersionException, LockException, NoSuchNodeTypeException, RepositoryException { getWrappedNode().save(); } /** * Removes a wrapper by type. The wrapper can be deep in a chain of wrappers in which case wrappers before it will * be cloned creating a new chain that leads to the same real node. */ public Node deepUnwrap(Class<? extends DelegateNodeWrapper> wrapper) { if (this.getClass().equals(wrapper)) { return getWrappedNode(); } Node next = getWrappedNode(); // If the next node is the real node then we can skip cloning ourselves. // This happens when the wrapper to remove isn't present if (!(next instanceof DelegateNodeWrapper)) { return this; } // We let the next wrapper do deepUnwrap first, if it returns itself then the wrapper isn't in the chain and cloning is not necessary Node deepUnwrappedNext = ((DelegateNodeWrapper) next).deepUnwrap(wrapper); if (deepUnwrappedNext == next) { return this; } try { DelegateNodeWrapper clone = ((DelegateNodeWrapper) this.clone()); clone.initClone(deepUnwrappedNext); return clone; } catch (CloneNotSupportedException e) { throw new RuntimeException("Failed to unwrap " + this.getClass().getName() + " due to " + e.getMessage(), e); } } protected void initClone(Node newNode) { setWrappedNode(newNode); } @Override protected Object clone() throws CloneNotSupportedException { // just shallow clone ... keep it that way at least for wrappedNode otherwise deepUnwrap generates zillions of objects unnecessarily return super.clone(); } }