/*
* Copyright (C) 2012 Tirasa
*
* Licensed 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 net.tirasa.hct.editor.data;
import javax.jcr.Node;
import javax.jcr.RepositoryException;
import org.apache.wicket.Session;
import org.apache.wicket.model.LoadableDetachableModel;
import org.hippoecm.frontend.session.UserSession;
import net.tirasa.hct.editor.beans.PageBean;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
public final class DetachablePage extends LoadableDetachableModel {
private static final Logger LOG =
LoggerFactory.getLogger(DetachablePage.class);
private static final long serialVersionUID = 2764588059698957298L;
private String path;
protected Node getRootNode() throws RepositoryException {
return ((UserSession) Session.get()).getJcrSession().getRootNode();
}
public DetachablePage() {
}
public DetachablePage(final PageBean page) {
this(page.getPath());
}
public DetachablePage(final String path) {
if (path == null || path.length() == 0) {
throw new IllegalArgumentException();
}
this.path = path.startsWith("/") ? path.substring(1) : path;
}
public PageBean getPage() {
return (PageBean) getObject();
}
@Override
public int hashCode() {
if (path == null) {
return super.hashCode();
}
return path.hashCode();
}
/**
* used for dataview with ReuseIfModelsEqualStrategy item reuse strategy
*
* @see org.apache.wicket.markup.repeater.ReuseIfModelsEqualStrategy
* @see java.lang.Object#equals(java.lang.Object)
*/
@Override
public boolean equals(final Object obj) {
if (obj == this) {
return true;
} else if (obj == null) {
return false;
} else if (obj instanceof DetachablePage) {
final DetachablePage other = (DetachablePage) obj;
if (path == null || other.path == null) {
return false;
}
return path.equals(other.path);
}
return false;
}
/**
* @see org.apache.wicket.model.LoadableDetachableModel#load()
*/
@Override
protected PageBean load() {
if (path == null) {
return new PageBean();
}
// loads page from jcr
try {
return new PageBean(getRootNode().getNode(path));
} catch (RepositoryException e) {
LOG.error("Unable to re-attach page with path '{}'", path, e);
return null;
}
}
}