package org.apache.xindice.client.xmldb.services;
/*
* The Apache Software License, Version 1.1
*
*
* Copyright (c) 1999 The Apache Software Foundation. All rights
* reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
*
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in
* the documentation and/or other materials provided with the
* distribution.
*
* 3. The end-user documentation included with the redistribution,
* if any, must include the following acknowledgment:
* "This product includes software developed by the
* Apache Software Foundation (http://www.apache.org/)."
* Alternately, this acknowledgment may appear in the software itself,
* if and wherever such third-party acknowledgments normally appear.
*
* 4. The names "Xindice" and "Apache Software Foundation" must
* not be used to endorse or promote products derived from this
* software without prior written permission. For written
* permission, please contact apache@apache.org.
*
* 5. Products derived from this software may not be called "Apache",
* nor may "Apache" appear in their name, without prior written
* permission of the Apache Software Foundation.
*
* THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED
* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL THE APACHE SOFTWARE FOUNDATION OR
* ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
* USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
* OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
* ====================================================================
*
* This software consists of voluntary contributions made by many
* individuals on behalf of the Apache Software Foundation and was
* originally based on software copyright (c) 1999-2001, The dbXML
* Group, L.L.C., http://www.dbxmlgroup.com. For more
* information on the Apache Software Foundation, please see
* <http://www.apache.org/>.
*
* $Id: XUpdateQueryServiceImpl.java,v 1.2 2002/01/16 09:48:39 kstaken Exp $
*/
import org.apache.xindice.core.FaultCodes;
import org.apache.xindice.client.corba.db.*;
import org.apache.xindice.client.corba.*;
import org.apache.xindice.client.corba.db.Collection;
import org.apache.xindice.client.xmldb.*;
import org.apache.xindice.client.xmldb.resources.*;
import org.apache.xindice.xml.*;
import org.apache.xindice.xml.dom.*;
import org.w3c.dom.*;
import org.xmldb.api.base.*;
import org.xmldb.api.modules.*;
import java.util.*;
public class XUpdateQueryServiceImpl extends CommonConfigurable
implements org.xmldb.api.modules.XUpdateQueryService
{
protected org.xmldb.api.base.Collection collection = null;
private NamespaceMap nsMap = new NamespaceMap();
public XUpdateQueryServiceImpl() {
}
public String getName() throws XMLDBException {
return "XUpdateQueryService";
}
public String getVersion() throws XMLDBException {
return "1.0";
}
public void setCollection(org.xmldb.api.base.Collection col)
throws XMLDBException {
this.collection = col;
}
public void setDefaultNamespace(String uri) throws XMLDBException {
if ( uri != null )
nsMap.setDefaultNamespace(uri);
else
nsMap.removeDefaultNamespace();
}
public void removeDefaultNamespace() {
nsMap.removeDefaultNamespace();
}
public void setNamespace(String prefix, String uri) throws XMLDBException {
if ( ( prefix == null ) || prefix.equals("") ) {
setDefaultNamespace(uri);
}
else {
if ( uri != null ) {
nsMap.setNamespace(prefix, uri);
}
}
}
public void removeNamespace(String prefix) {
if ( ( prefix == null ) || prefix.equals("") ) {
removeDefaultNamespace();
}
nsMap.removeNamespace(prefix);
}
public String getDefaultNamespace() {
return nsMap.getDefaultNamespaceURI();
}
public String getNamespace(String prefix) {
if ( ( prefix == null ) || prefix.equals("") ) {
return nsMap.getDefaultNamespaceURI();
}
return nsMap.getNamespaceURI(prefix);
}
public void clearNamespaces() {
nsMap.clear();
}
private NamedVal[] getNamespaces() {
NamedVal[] nv = new NamedVal[nsMap.size()];
Iterator iter = nsMap.keySet().iterator();
int i = 0;
while ( iter.hasNext() ) {
String prefix = (String)iter.next();
String uri = nsMap.getNamespaceURI(prefix);
nv[i++] = new NamedVal(prefix, uri);
}
return nv;
}
public XMLResource updateResult(String commands) throws XMLDBException {
// Get the Xindice collection object from the XML:DB collection wrapper.
Collection col = ((CollectionImpl) collection).getServerObject();
try {
EncodedBuffer buffer = col.queryCollection("XUpdate", commands, getNamespaces(), -1);
return new XMLResourceImpl("", collection, new String(buffer.buf));
}
catch (Exception e) {
e.printStackTrace();
throw FaultCodes.createXMLDBException(e);
}
}
/**
* Runs a set of XUpdate operations against the collection. All selected
* documents are to be updated and stored back to the repository.
*
* @param commands The XUpdate commands to use.
* @return the number of nodes updated
* @exception XMLDBException with expected error codes.<br />
* <code>ErrorCodes.VENDOR_ERROR</code> for any vendor
* specific errors that occur.<br />
*/
public long update(String commands) throws XMLDBException {
XMLResource result = updateResult(commands);
return getResultCount(result);
}
public XMLResource updateResourceResult(String id, String commands) throws XMLDBException {
// Get the Xindice collection object from the XML:DB collection wrapper.
Collection col = ((CollectionImpl) collection).getServerObject();
try {
EncodedBuffer buffer = col.queryDocument("XUpdate", commands, getNamespaces(), id, -1);
return new XMLResourceImpl("", collection, new String(buffer.buf));
}
catch (Exception e) {
throw FaultCodes.createXMLDBException(e);
}
}
/**
* Runs a set of XUpdate operations against a resource stored in a
* collection. The resource will be updated in place in the collection.
*
* @param commands The XUpdate commands to use.
* @return the number of nodes updateds
* @exception XMLDBException with expected error codes.<br />
* <code>ErrorCodes.VENDOR_ERROR</code> for any vendor
* specific errors that occur.<br />
*/
public long updateResource(String id, String commands) throws XMLDBException {
XMLResource result = updateResourceResult(id, commands);
return getResultCount(result);
}
protected long getResultCount(XMLResource resource) throws XMLDBException {
Document doc = (Document) resource.getContentAsDOM();
// Get the src:modified element
Node node = doc.getDocumentElement().getFirstChild();
// The count is a text node within the element.
String count = node.getFirstChild().getNodeValue();
try {
return Long.parseLong(count);
}
catch (Exception e) {
return 0;
}
}
}