/*
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 From extends Inference implements IElement {
public static final String NAME = "From";
private INode parentNode;
private Integer articlenr = null;
private Integer nr = null;
private Integer line = null;
private Integer col = null;
private LinkedList<Ref> refList = new LinkedList<Ref>();
private From(INode parentNode){
this.parentNode = parentNode;
}
public INode getParentNode() {
return parentNode;
}
public static From newInstance(INode parentNode, LinkedList<XMLElement> xmlElementList) throws ElementParseException {
From from = new From(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("articlenr")){
if (from.articlenr == null){
try {from.articlenr = Integer.parseInt(xmlAttribute.getValue());}
catch (Exception e) {throw new ElementParseException(ElementParseException.NOT_VALID_TYPE_OF_ATTRIBUTE_ELEMENT, "XMLElement has an attribute " + xmlAttribute.getName() + " with an invalid type", xmlElementList);};
} else {
throw new ElementParseException(ElementParseException.DUPLICATE_ATTRIBUTE_ELEMENT, "XMLElement has a duplicate attribute " + xmlAttribute.getName(), xmlElementList);
}
} else
if (xmlAttribute.getName().equals("nr")){
if (from.nr == null){
try {from.nr = Integer.parseInt(xmlAttribute.getValue());}
catch (Exception e) {throw new ElementParseException(ElementParseException.NOT_VALID_TYPE_OF_ATTRIBUTE_ELEMENT, "XMLElement has an attribute " + xmlAttribute.getName() + " with an invalid type", xmlElementList);};
} else {
throw new ElementParseException(ElementParseException.DUPLICATE_ATTRIBUTE_ELEMENT, "XMLElement has a duplicate attribute " + xmlAttribute.getName(), xmlElementList);
}
} else
if (xmlAttribute.getName().equals("line")){
if (from.line == null){
try {from.line = Integer.parseInt(xmlAttribute.getValue());}
catch (Exception e) {throw new ElementParseException(ElementParseException.NOT_VALID_TYPE_OF_ATTRIBUTE_ELEMENT, "XMLElement has an attribute " + xmlAttribute.getName() + " with an invalid type", xmlElementList);};
} else {
throw new ElementParseException(ElementParseException.DUPLICATE_ATTRIBUTE_ELEMENT, "XMLElement has a duplicate attribute " + xmlAttribute.getName(), xmlElementList);
}
} else
if (xmlAttribute.getName().equals("col")){
if (from.col == null){
try {from.col = Integer.parseInt(xmlAttribute.getValue());}
catch (Exception e) {throw new ElementParseException(ElementParseException.NOT_VALID_TYPE_OF_ATTRIBUTE_ELEMENT, "XMLElement has an attribute " + xmlAttribute.getName() + " with an invalid type", xmlElementList);};
} 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("Ref")){
from.refList.add(Ref.newInstance(from, xmlElementList));
} else
throw new ElementParseException(ElementParseException.NOT_VALID_ELEMENT, "The XMLElement " + xmlElement.getName() + " is not valid in " + NAME, xmlElementList);
}
}
return from;
}
public LinkedList<XMLElement> getXMLElementList() {
LinkedList<XMLElement> xmlElementList = new LinkedList<XMLElement>();
XMLElement xmlElement = new XMLElement(NAME);
if (this.articlenr != null) {
XMLAttribute xmlAttribute = new XMLAttribute("articlenr", this.articlenr);
xmlElement.getXMLAttributeList().add(xmlAttribute);
}
if (this.nr != null) {
XMLAttribute xmlAttribute = new XMLAttribute("nr", this.nr);
xmlElement.getXMLAttributeList().add(xmlAttribute);
}
if (this.line != null) {
XMLAttribute xmlAttribute = new XMLAttribute("line", this.line);
xmlElement.getXMLAttributeList().add(xmlAttribute);
}
if (this.col != null) {
XMLAttribute xmlAttribute = new XMLAttribute("col", this.col);
xmlElement.getXMLAttributeList().add(xmlAttribute);
}
boolean isEmpty = !(!refList.isEmpty());
xmlElement.setEmpty(isEmpty);
xmlElementList.add(xmlElement);
for (Ref ref : this.refList){
xmlElementList.addAll(ref.getXMLElementList());
}
if (!isEmpty) {
xmlElement = new XMLElement(NAME);
xmlElement.setEndElement(true);
xmlElementList.add(xmlElement);
}
return xmlElementList;
}
public Integer getArticlenr(){
return articlenr;
}
public Integer getNr(){
return nr;
}
public Integer getLine(){
return line;
}
public Integer getCol(){
return col;
}
public LinkedList<Ref> getRefList(){
return refList;
}
@Override
public void accept(Visitor visitor) {
if (visitor.visit(this)) {
for(Ref ref: this.refList) {
ref.accept(visitor);
}
}
visitor.endVisit(this);
}
@Override
public String toString(){
ToStringVisitor toStringVisitor = new ToStringVisitor();
this.accept(toStringVisitor);
return toStringVisitor.toString();
}
}