src/main/java/org/apache/sling/jcr/base/internal/mount/ProxyItem.java

/*
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you under the Apache License, Version 2.0 (the
 * "License"); you may not use this file except in compliance
 * with the License.  You may obtain a copy of the License at
 *
 *   http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing,
 * software distributed under the License is distributed on an
 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
 * KIND, either express or implied.  See the License for the
 * specific language governing permissions and limitations
 * under the License.
 */
package org.apache.sling.jcr.base.internal.mount;

import javax.jcr.AccessDeniedException;
import javax.jcr.InvalidItemStateException;
import javax.jcr.Item;
import javax.jcr.ItemExistsException;
import javax.jcr.ItemNotFoundException;
import javax.jcr.ItemVisitor;
import javax.jcr.Node;
import javax.jcr.Property;
import javax.jcr.ReferentialIntegrityException;
import javax.jcr.RepositoryException;
import javax.jcr.Session;
import javax.jcr.lock.LockException;
import javax.jcr.nodetype.ConstraintViolationException;
import javax.jcr.nodetype.NoSuchNodeTypeException;
import javax.jcr.version.VersionException;

import org.apache.jackrabbit.oak.commons.PathUtils;

public class ProxyItem<T extends Item> extends ProxyWrapper<T> implements Item {
    public ProxyItem(ProxySession mountSession, T delegate) {
        super(mountSession, delegate);
    }

    @Override
    public String getPath() throws RepositoryException {
        return delegate.getPath();
    }

    @Override
    public String getName() throws RepositoryException {
        return delegate.getName();
    }

    @Override
    public Item getAncestor(int depth) throws ItemNotFoundException, AccessDeniedException, RepositoryException {
        return this.mountSession.getItem(this.delegate.getAncestor(depth).getPath());
    }

    @Override
    public Node getParent() throws ItemNotFoundException, AccessDeniedException, RepositoryException {

        String parentPath;

        try {
            parentPath = this.delegate.getParent().getPath();
        } catch (Exception ex) {
            if (ex instanceof AccessDeniedException) {
                throw (AccessDeniedException) ex;
            }
            parentPath = PathUtils.getParentPath(this.delegate.getPath());
        }

        return this.mountSession.getNode(parentPath);
    }

    @Override
    public int getDepth() throws RepositoryException {
        return delegate.getDepth();
    }

    @Override
    public Session getSession() throws RepositoryException {
        return mountSession;
    }

    @Override
    public boolean isNode() {
        return delegate.isNode();
    }

    @Override
    public boolean isNew() {
        return delegate.isNew();
    }

    @Override
    public boolean isModified() {
        return delegate.isModified();
    }

    @Override
    public boolean isSame(Item otherItem) throws RepositoryException {
        return delegate.isSame(this.mountSession.unwrap(otherItem));
    }

    @Override
    public void accept(final ItemVisitor visitor) throws RepositoryException {
        delegate.accept(new ItemVisitor() {
            @Override
            public void visit(Property property) throws RepositoryException {
                visitor.visit(mountSession.wrap(property));
            }

            @Override
            public void visit(Node node) throws RepositoryException {
                visitor.visit(mountSession.wrap(node));
            }
        });
    }

    @Override
    public void save() throws AccessDeniedException, ItemExistsException, ConstraintViolationException, InvalidItemStateException, ReferentialIntegrityException, VersionException, LockException, NoSuchNodeTypeException, RepositoryException {
        this.mountSession.save();
    }

    @Override
    public void refresh(boolean keepChanges) throws InvalidItemStateException, RepositoryException {
        this.mountSession.refresh(getPath(), delegate, keepChanges);
    }

    @Override
    public void remove() throws VersionException, LockException, ConstraintViolationException, AccessDeniedException, RepositoryException {
        this.mountSession.removeItem(this.getPath());
    }
}