| /* |
| * 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); |
| entering("XmlDataDaoImpl.XmlDataDaoImpl"); |
| _data = hobj; |
| } |
| /** |
| * @see org.apache.ode.bpel.dao.XmlDataDAO#isNull() |
| */ |
| public boolean isNull() { |
| entering("XmlDataDaoImpl.isNull"); |
| return _data.getData() == null; |
| } |
| |
| /** |
| * @see org.apache.ode.bpel.dao.XmlDataDAO#get() |
| */ |
| public Node get() { |
| entering("XmlDataDaoImpl.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) { |
| entering("XmlDataDaoImpl.set"); |
| _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().saveOrUpdate(_data); |
| } |
| /** |
| * @see org.apache.ode.bpel.dao.XmlDataDAO#getProperty(java.lang.String) |
| */ |
| public String getProperty(String propertyName) { |
| entering("XmlDataDaoImpl.getProperty"); |
| 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) { |
| entering("XmlDataDaoImpl.setProperty"); |
| HVariableProperty p = _getProperty(pname); |
| if(p == null){ |
| p = new HVariableProperty(_data, pname, pvalue); |
| getSession().save(p); |
| // _data.addProperty(p); |
| }else{ |
| p.setValue(pvalue); |
| getSession().update(p); |
| } |
| } |
| |
| /** |
| * @see org.apache.ode.bpel.dao.XmlDataDAO#getScopeDAO() |
| */ |
| public ScopeDAO getScopeDAO() { |
| entering("XmlDataDaoImpl.getScopeDAO"); |
| return new ScopeDaoImpl(_sm,_data.getScope()); |
| } |
| |
| private HVariableProperty _getProperty(String propertyName){ |
| entering("XmlDataDaoImpl._getProperty"); |
| 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(); |
| } |
| |
| } |