/*
* 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.ode.daohib.bpel;
import org.apache.ode.bpel.dao.ScopeDAO;
import org.apache.ode.bpel.dao.XmlDataDAO;
import org.apache.ode.daohib.SessionManager;
import org.apache.ode.daohib.bpel.hobj.HLargeData;
import org.apache.ode.daohib.bpel.hobj.HVariableProperty;
import org.apache.ode.daohib.bpel.hobj.HXmlData;
import org.apache.ode.utils.DOMUtils;
import java.util.Iterator;
import org.hibernate.Query;
import org.w3c.dom.Document;
import org.w3c.dom.Element;
import org.w3c.dom.Node;
import org.w3c.dom.Text;
/**
* Hibernate-based {@link XmlDataDAO} implementation.
*/
class XmlDataDaoImpl extends HibernateDao implements XmlDataDAO {
private static final String QUERY_PROPERTY =
"from " + HVariableProperty.class.getName() +
" as p where p.xmlData.id = ? and p.name = ?";
private HXmlData _data;
private Node _node;
/**
* @param hobj
*/
public XmlDataDaoImpl(SessionManager sm, HXmlData hobj) {
super(sm, hobj);
_data = hobj;
}
/**
* @see org.apache.ode.bpel.dao.XmlDataDAO#isNull()
*/
public boolean isNull() {
return _data.getData() == null;
}
/**
* @see org.apache.ode.bpel.dao.XmlDataDAO#get()
*/
public Node get() {
if(_node == null){
_node = prepare();
}
return _node;
}
/**
* @see org.apache.ode.bpel.dao.XmlDataDAO#remove()
*/
public void remove() {
}
/**
* @see org.apache.ode.bpel.dao.XmlDataDAO#set(org.w3c.dom.Node)
*/
public void set(Node val) {
_node = val;
_data.setSimpleType(!(val instanceof Element));
if (_data.getData() != null)
_sm.getSession().delete(_data.getData());
HLargeData ld = new HLargeData();
if(_data.isSimpleType()) {
ld.setBinary(_node.getNodeValue().getBytes());
_data.setData(ld);
} else {
ld.setBinary(DOMUtils.domToString(_node).getBytes());
_data.setData(ld);
}
getSession().save(ld);
getSession().update(_data);
}
/**
* @see org.apache.ode.bpel.dao.XmlDataDAO#getProperty(java.lang.String)
*/
public String getProperty(String propertyName) {
HVariableProperty p = _getProperty(propertyName);
return p == null
? null
: p.getValue();
}
/**
* @see org.apache.ode.bpel.dao.XmlDataDAO#setProperty(java.lang.String, java.lang.String)
*/
public void setProperty(String pname, String pvalue) {
HVariableProperty p = _getProperty(pname);
if(p == null){
p = new HVariableProperty(_data, pname, pvalue);
getSession().save(p);
_data.getProperties().add(p);
}else{
p.setValue(pvalue);
getSession().update(p);
}
}
/**
* @see org.apache.ode.bpel.dao.XmlDataDAO#getScopeDAO()
*/
public ScopeDAO getScopeDAO() {
return new ScopeDaoImpl(_sm,_data.getScope());
}
private HVariableProperty _getProperty(String propertyName){
Iterator iter;
Query qry = getSession().createQuery(QUERY_PROPERTY);
qry.setLong(0, _data.getId());
qry.setString(1, propertyName);
iter = qry.iterate();
return iter.hasNext()
? (HVariableProperty)iter.next()
: null;
}
private Node prepare(){
if(_data.getData() == null)
return null;
String data = _data.getData().getText();
if(_data.isSimpleType()){
Document d = DOMUtils.newDocument();
// we create a dummy wrapper element
// prevents some apps from complaining
// when text node is not actual child of document
Element e = d.createElement("text-node-wrapper");
Text tnode = d.createTextNode(data);
d.appendChild(e);
e.appendChild(tnode);
return tnode;
}else{
try{
return DOMUtils.stringToDOM(data);
}catch(Exception e){
throw new RuntimeException(e);
}
}
}
public String getName() {
return _data.getName();
}
}