/**
*
* Copyright 2003-2004 The Apache Software Foundation
*
* Licensed 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.geronimo.deployment.plugin;
import java.beans.PropertyChangeListener;
import java.beans.PropertyChangeSupport;
import java.io.IOException;
import java.io.InputStream;
import java.io.OutputStream;
import org.apache.xmlbeans.SchemaTypeLoader;
import org.apache.xmlbeans.XmlException;
import org.apache.xmlbeans.XmlObject;
import org.apache.xmlbeans.XmlOptions;
/**
*
*
* @version $Rev: 406010 $ $Date: 2006-05-13 06:06:15 +0200 (Sat, 13 May 2006) $
*/
public abstract class XmlBeanSupport { // should implement Serializable or Externalizable
protected final PropertyChangeSupport pcs = new PropertyChangeSupport(this);
private XmlObject xmlObject;
public XmlBeanSupport(XmlObject xmlObject) {
this.xmlObject = xmlObject;
}
protected void setXmlObject(XmlObject xmlObject) {
this.xmlObject = xmlObject;
}
protected XmlObject getXmlObject() {
return xmlObject;
}
public void addPropertyChangeListener(PropertyChangeListener pcl) {
pcs.addPropertyChangeListener(pcl);
}
public void removePropertyChangeListener(PropertyChangeListener pcl) {
pcs.removePropertyChangeListener(pcl);
}
public void toXML(OutputStream outputStream) throws IOException {
XmlOptions options = new XmlOptions();
options.setSavePrettyPrint();
options.setSavePrettyPrintIndent(4);
options.setUseDefaultNamespace();
xmlObject.save(outputStream, options);
}
public void fromXML(InputStream inputStream) throws XmlException, IOException {
xmlObject = getSchemaTypeLoader().parse(inputStream, null, null);
}
//override unless the particular object can never be read directly from xml, such as the
//connector ConnectionDefinitionInstance.
protected SchemaTypeLoader getSchemaTypeLoader() {
return null;
}
// Must be public but should not be a JavaBean property -- sigh
public boolean configured() {
return getXmlObject() != null;
}
protected static boolean isEmpty(String s) {
return s == null || s.trim().equals("");
}
}