/*
* eXist Open Source Native XML Database
* Copyright (C) 2001-06 Wolfgang M. Meier
* wolfgang@exist-db.org
* http://exist-db.org
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public License
* as published by the Free Software Foundation; either version 2
* of the License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*
* $Id$
*/
package org.exist.xmldb;
import java.util.Date;
import org.exist.dom.DocumentImpl;
import org.exist.security.Permission;
import org.exist.security.PermissionDeniedException;
import org.exist.security.Subject;
import org.exist.storage.BrokerPool;
import org.exist.storage.DBBroker;
import org.exist.util.LockException;
import org.w3c.dom.DocumentType;
import org.xml.sax.ext.LexicalHandler;
import org.xmldb.api.base.ErrorCodes;
import org.xmldb.api.base.XMLDBException;
/**
* Abstract base implementation of interface EXistResource.
*/
public abstract class AbstractEXistResource implements EXistResource {
protected Subject user;
protected BrokerPool pool;
protected LocalCollection parent;
protected XmldbURI docId = null;
protected String mimeType = null;
protected boolean isNewResource = false;
public AbstractEXistResource(Subject user, BrokerPool pool, LocalCollection parent, XmldbURI docId, String mimeType) {
this.user = user;
this.pool = pool;
this.parent = parent;
docId = docId.lastSegment();
this.docId = docId;
this.mimeType = mimeType;
}
/**
*
* @param user
* @param pool
* @param parent
* @param docId
* @param mimeType
*
* @deprecated Use the XmldbURI constructor instead
*/
public AbstractEXistResource(Subject user, BrokerPool pool, LocalCollection parent, String docId, String mimeType) {
this(user, pool, parent, XmldbURI.create(docId), mimeType);
}
/* (non-Javadoc)
* @see org.exist.xmldb.EXistResource#getCreationTime()
*/
public abstract Date getCreationTime() throws XMLDBException;
/* (non-Javadoc)
* @see org.exist.xmldb.EXistResource#getLastModificationTime()
*/
public abstract Date getLastModificationTime() throws XMLDBException;
/* (non-Javadoc)
* @see org.exist.xmldb.EXistResource#getPermissions()
*/
public abstract Permission getPermissions() throws XMLDBException;
/* (non-Javadoc)
* @see org.exist.xmldb.EXistResource#setLexicalHandler(org.xml.sax.ext.LexicalHandler)
*/
public void setLexicalHandler(LexicalHandler handler) {
}
public void setMimeType(String mime) {
this.mimeType = mime;
}
public String getMimeType() throws XMLDBException {
return mimeType;
}
protected DocumentImpl openDocument(DBBroker broker, int lockMode) throws XMLDBException {
DocumentImpl document = null;
org.exist.collections.Collection parentCollection = null;
try {
parentCollection = parent.getCollectionWithLock(lockMode);
if(parentCollection == null)
{throw new XMLDBException(ErrorCodes.INVALID_COLLECTION, "Collection " + parent.getPath() + " not found");}
try {
document = parentCollection.getDocumentWithLock(broker, docId, lockMode);
} catch (final PermissionDeniedException pde) {
throw new XMLDBException(ErrorCodes.PERMISSION_DENIED,
"Permission denied for document " + docId + ": " + pde.getMessage());
} catch (final LockException e) {
throw new XMLDBException(ErrorCodes.PERMISSION_DENIED,
"Failed to acquire lock on document " + docId);
}
if (document == null) {
throw new XMLDBException(ErrorCodes.INVALID_RESOURCE);
}
// System.out.println("Opened document " + document.getName() + " mode = " + lockMode);
return document;
} finally {
if(parentCollection != null)
{parentCollection.release(lockMode);}
}
}
protected void closeDocument(DocumentImpl doc, int lockMode) throws XMLDBException {
if(doc == null)
{return;}
// System.out.println("Closed " + doc.getName() + " mode = " + lockMode);
doc.getUpdateLock().release(lockMode);
}
public DocumentType getDocType() throws XMLDBException {
return null;
}
public void setDocType(DocumentType doctype) throws XMLDBException {
}
}