/*
Copyright (c) 2011 Mizar Tools Contributors (mizartools.org)
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.
*/
/* Contributors :
* 2011-02-05 Marco Riccardi - initial implementation
* 2011-03-25 Marco Riccardi - implementation of visitor pattern
*
*/
package org.mizartools.system.xml;
import java.util.LinkedList;
import org.mizartools.system.ElementParseException;
import org.mizartools.system.IElement;
import org.mizartools.system.INode;
import org.mizartools.utility.xml.XMLAttribute;
import org.mizartools.utility.xml.XMLElement;
public class Schemes implements IElement {
public static final String NAME = "Schemes";
private INode parentNode;
private String aid = null;
private String mizfiles = null;
private Signature signature = null;
private LinkedList<Scheme> schemeList = new LinkedList<Scheme>();
private Schemes(INode parentNode){
this.parentNode = parentNode;
}
public INode getParentNode() {
return parentNode;
}
public static Schemes newInstance(INode parentNode, LinkedList<XMLElement> xmlElementList) throws ElementParseException {
Schemes schemes = new Schemes(parentNode);
XMLElement xmlElement = xmlElementList.poll();
if (!xmlElement.getName().equals(NAME)){
throw new ElementParseException(ElementParseException.NOT_VALID_ELEMENT, "XMLElement is a " + xmlElement.getName() + " not a " + NAME, xmlElementList);
}
for (XMLAttribute xmlAttribute : xmlElement.getXMLAttributeList()){
if (xmlAttribute.getName().equals("aid")){
if (schemes.aid == null){
schemes.aid = xmlAttribute.getValue();
} else {
throw new ElementParseException(ElementParseException.DUPLICATE_ATTRIBUTE_ELEMENT, "XMLElement has a duplicate attribute " + xmlAttribute.getName(), xmlElementList);
}
} else
if (xmlAttribute.getName().equals("mizfiles")){
if (schemes.mizfiles == null){
schemes.mizfiles = xmlAttribute.getValue();
} else {
throw new ElementParseException(ElementParseException.DUPLICATE_ATTRIBUTE_ELEMENT, "XMLElement has a duplicate attribute " + xmlAttribute.getName(), xmlElementList);
}
} else
throw new ElementParseException(ElementParseException.NOT_VALID_ATTRIBUTE_ELEMENT, "XMLElement has not a valid attribute " + xmlAttribute.getName(), xmlElementList);
}
if (!xmlElement.isEmpty()){
while (true){
xmlElement = xmlElementList.peek();
if (xmlElement == null){
throw new ElementParseException(ElementParseException.UNEXPECTED_END_OF_FILE, "Unexpected end of XMLElement list");
}
if (xmlElement.getName().equals(NAME) && xmlElement.isEndElement()){
xmlElement = xmlElementList.poll();
break;
}
if (xmlElement.getName().equals("Signature")){
if (schemes.signature == null) {
schemes.signature = Signature.newInstance(schemes, xmlElementList);
} else {
throw new ElementParseException(ElementParseException.DUPLICATE_ELEMENT, "XMLElement list contains a duplicated <Signature> in element " + NAME, xmlElementList);
}
} else if (xmlElement.getName().equals("Scheme")){
schemes.schemeList.add(Scheme.newInstance(schemes, xmlElementList));
} else
throw new ElementParseException(ElementParseException.NOT_VALID_ELEMENT, "The XMLElement " + xmlElement.getName() + " is not valid in " + NAME, xmlElementList);
}
}
return schemes;
}
public LinkedList<XMLElement> getXMLElementList() {
LinkedList<XMLElement> xmlElementList = new LinkedList<XMLElement>();
XMLElement xmlElement = new XMLElement(NAME);
if (this.aid != null) {
XMLAttribute xmlAttribute = new XMLAttribute("aid", this.aid);
xmlElement.getXMLAttributeList().add(xmlAttribute);
}
if (this.mizfiles != null) {
XMLAttribute xmlAttribute = new XMLAttribute("mizfiles", this.mizfiles);
xmlElement.getXMLAttributeList().add(xmlAttribute);
}
boolean isEmpty = !(signature != null
|| !schemeList.isEmpty());
xmlElement.setEmpty(isEmpty);
xmlElementList.add(xmlElement);
if (this.signature != null){
xmlElementList.addAll(this.signature.getXMLElementList());
}
for (Scheme scheme : this.schemeList){
xmlElementList.addAll(scheme.getXMLElementList());
}
if (!isEmpty) {
xmlElement = new XMLElement(NAME);
xmlElement.setEndElement(true);
xmlElementList.add(xmlElement);
}
return xmlElementList;
}
public String getAid(){
return aid;
}
public String getMizfiles(){
return mizfiles;
}
public Signature getSignature(){
return signature;
}
public LinkedList<Scheme> getSchemeList(){
return schemeList;
}
@Override
public void accept(Visitor visitor) {
if (visitor.visit(this)) {
for(Scheme scheme: this.schemeList) {
scheme.accept(visitor);
}
}
visitor.endVisit(this);
}
@Override
public String toString(){
ToStringVisitor toStringVisitor = new ToStringVisitor();
this.accept(toStringVisitor);
return toStringVisitor.toString();
}
}