/*
* 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.jackrabbit.webdav.jcr.version.report;
import org.apache.jackrabbit.webdav.DavConstants;
import org.apache.jackrabbit.webdav.DavException;
import org.apache.jackrabbit.webdav.DavResource;
import org.apache.jackrabbit.webdav.DavServletResponse;
import org.apache.jackrabbit.webdav.DavSession;
import org.apache.jackrabbit.webdav.jcr.JcrDavSession;
import org.apache.jackrabbit.webdav.version.report.Report;
import org.apache.jackrabbit.webdav.version.report.ReportInfo;
import javax.jcr.Session;
/**
* <code>AbstractJcrReport</code>...
*/
public abstract class AbstractJcrReport implements Report {
private Session session;
private ReportInfo reportInfo;
/**
* Performs basic validation checks common to all JCR specific reports.
*
* @param resource
* @param info
* @throws DavException
* @see Report#init(DavResource, ReportInfo)
*/
public void init(DavResource resource, ReportInfo info) throws DavException {
if (resource == null || info == null) {
throw new DavException(DavServletResponse.SC_BAD_REQUEST, "Unable to run report: WebDAV Resource and ReportInfo must not be null.");
}
if (!getType().isRequestedReportType(info)) {
throw new DavException(DavServletResponse.SC_BAD_REQUEST, "Expected report type: '" + getType().getReportName() + "', found: '" + info.getReportName() + ";" + "'.");
}
if (info.getDepth() > DavConstants.DEPTH_0) {
throw new DavException(DavServletResponse.SC_BAD_REQUEST, "Invalid Depth header: " + info.getDepth());
}
DavSession davSession = resource.getSession();
if (davSession == null) {
throw new DavException(DavServletResponse.SC_BAD_REQUEST, "The resource must provide a non-null session object in order to create '" + getType().getReportName()+ "' report.");
}
session = JcrDavSession.getRepositorySession(resource.getSession());
if (session == null) {
throw new DavException(DavServletResponse.SC_INTERNAL_SERVER_ERROR, "Internal error: Unable to access repository session.");
}
reportInfo = info;
}
//-----------------------------------------------------< implementation >---
/**
* @return session Session object as obtained from the {@link DavSession}.
*/
Session getRepositorySession() {
return session;
}
/**
* @return reportInfo the <code>ReportInfo</code> specifying the requested
* report details.
*/
ReportInfo getReportInfo() {
return reportInfo;
}
}