org.apache.xerces.impl.xs.assertion.XMLAssertAdapter Maven / Gradle / Ivy
/*
* 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.xerces.impl.xs.assertion;
import java.util.Hashtable;
import org.apache.xerces.xni.Augmentations;
import org.apache.xerces.xni.QName;
import org.apache.xerces.xni.XMLAttributes;
import org.apache.xerces.xni.XMLString;
/**
* A convenience implementation of the assertions interface. All compliant assertions
* processors (using a specific XPath 2.0 engine) should extend this class.
*
* @xerces.internal
*
* @author: Mukul Gandhi, IBM
* @version $Id: XMLAssertAdapter.java 1198718 2011-11-07 13:02:34Z mukulg $
*/
public class XMLAssertAdapter extends XSAssertionXPath2ValueImpl implements XMLAssertHandler {
// this hashtable contains any implementation specific properties
private Hashtable properties = null;
public void startElement(QName element, XMLAttributes attributes, Augmentations augs) throws Exception {
// TODO Auto-generated method stub
}
public void endElement(QName element, Augmentations augs) throws Exception {
// TODO Auto-generated method stub
}
public void characters(XMLString text) {
// TODO Auto-generated method stub
}
public void comment(XMLString text) {
// TODO Auto-generated method stub
}
public void processingInstruction(String target, XMLString data) {
// TODO Auto-generated method stub
}
/**
* Allows the user to set specific properties on the underlying implementation.
* @param name name of property
* @param value null means to remove property
*/
public void setProperty(String name, Object value) throws IllegalArgumentException {
// this handles removal of properties
if (value == null) {
if (properties != null) {
properties.remove(name);
}
// Unrecognized properties do not cause an exception
return;
}
// create Hashtable if none existed before
if (properties == null) {
properties = new Hashtable();
}
properties.put(name, value);
}
/**
* Allows the user to retrieve specific properties on the underlying
* implementation.
*/
public Object getProperty(String name) throws IllegalArgumentException {
// See if it's in the properties Hashtable
if (properties != null) {
Object val = properties.get(name);
if (val != null) {
return val;
}
else {
throw new IllegalArgumentException("the property "+name+" is not set. can't find it's value");
}
}
// unreach
return null;
}
} // class XMLAssertAdapter