/*
* GeoTools - The Open Source Java GIS Toolkit
* http://geotools.org
*
* (C) 2004-2008, Open Source Geospatial Foundation (OSGeo)
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation;
* version 2.1 of the License.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*/
package org.geotools.xml.schema.impl;
import java.io.IOException;
import java.net.URI;
import java.text.DateFormat;
import java.text.ParseException;
import java.util.Date;
import java.util.Iterator;
import java.util.LinkedList;
import java.util.List;
import java.util.Map;
import javax.naming.OperationNotSupportedException;
import org.geotools.xml.PrintHandler;
import org.geotools.xml.schema.Attribute;
import org.geotools.xml.schema.AttributeValue;
import org.geotools.xml.schema.Element;
import org.geotools.xml.schema.ElementValue;
import org.geotools.xml.schema.Facet;
import org.geotools.xml.schema.SimpleType;
import org.xml.sax.Attributes;
import org.xml.sax.SAXException;
/**
* <p>
* DOCUMENT ME!
* </p>
*
* @author dzwiers
*
* @source $URL$
*/
public class SimpleTypeGT implements SimpleType {
// file visible to avoid set* methods
private int finaL;
private String id;
private String name;
private URI namespace;
private SimpleType[] parents = null;
private int type = 0;
private Facet[] constraints;
private SimpleTypeGT() {
// should not be called
}
/**
* Creates a new SimpleTypeGT object.
*
* @param id DOCUMENT ME!
* @param name DOCUMENT ME!
* @param namespace DOCUMENT ME!
* @param type DOCUMENT ME!
* @param parents DOCUMENT ME!
* @param constraints DOCUMENT ME!
* @param finaL DOCUMENT ME!
*/
public SimpleTypeGT(String id, String name, URI namespace, int type,
SimpleType[] parents, Facet[] constraints, int finaL) {
this.id = id;
this.name = name;
this.namespace = namespace;
this.parents = parents;
this.type = type;
this.constraints = constraints;
if(constraints!=null){
for(int i=0;i<constraints.length;i++)
if(constraints[i] == null)
throw new NullPointerException(name+" constraint #"+i+" is null");
}
}
/**
* @see org.geotools.xml.xsi.Type#getInstanceType()
*/
public Class getInstanceType() {
// if it's a union ... deal with it i guess
return parents[0].getInstanceType();
}
/**
* @see org.geotools.xml.schema.Type#findChildElement(java.lang.String)
*/
public Element findChildElement(String name1) {
return null; // will never happen
}
/**
* @see org.geotools.xml.xsi.SimpleType#getFinal()
*/
public int getFinal() {
return finaL;
}
/**
* @see org.geotools.xml.xsi.SimpleType#getId()
*/
public String getId() {
return id;
}
/**
* @see org.geotools.xml.xsi.Type#getLocalName()
*/
public String getName() {
return name;
}
/**
* @see org.geotools.xml.xsi.Type#getLocalName()
*/
public URI getNamespace() {
return namespace;
}
/**
* @see org.geotools.xml.xsi.Type#getParent()
*/
public SimpleType[] getParents() {
return parents;
}
/**
* <p>
* This method ignores the attributes from the xml node
* </p>
* @throws SAXException
* @throws OperationNotSupportedException
*
* @see schema.Type#getValue(java.lang.Object, org.xml.sax.Attributes)
*/
public Object getValue(Element element, ElementValue[] value,
Attributes attrs, Map hints) throws OperationNotSupportedException, SAXException {
if ((value == null) || (value.length != 1)) {
throw new SAXException(
"can only have one text value ... and one is required");
}
if (type == UNION) {
return getUnionValue(element, value[0], attrs, hints);
}
if (type == LIST) {
return getListValue(element, value[0], attrs, hints);
}
return getRestValue(element, value[0], attrs, hints);
}
/*
* Helper for getValue(Element,ElementValue[])
*/
private Object getUnionValue(Element element, ElementValue value,
Attributes attrs, Map hints) throws OperationNotSupportedException, SAXException {
if (parents == null) {
return null;
}
ElementValue[] valss = new ElementValue[1];
valss[0] = value;
for (int i = 0; i < parents.length; i++) {
Object o = parents[0].getValue(element, valss, attrs, hints);
if (o != null) {
return o;
}
}
return null;
}
/*
* Helper for getValue(Element,ElementValue[])
*/
private Object getListValue(Element element, ElementValue value,
Attributes attrs, Map hints) throws OperationNotSupportedException, SAXException {
if ((parents == null) || (parents[0] == null)) {
return null;
}
String[] vals = ((String) value.getValue()).split("\\s");
List l = new LinkedList();
ElementValueGT[] valss = new ElementValueGT[1];
for (int i = 0; i < vals.length; i++) {
valss[0] = new ElementValueGT(value.getElement(), vals[i]);
l.add(parents[0].getValue(element, valss, attrs, hints));
}
valss[0] = new ElementValueGT(value.getElement(), l);
return valss[0];
}
/*
* Helper for getValue(Element,ElementValue[])
*/
private Object getRestValue(Element element, ElementValue value,
Attributes attrs, Map hints) throws OperationNotSupportedException, SAXException {
if ((parents == null) || (parents[0] == null)) {
return null;
}
if (constraints == null) {
return null;
}
if (constraints.length == 0) {
ElementValue[] t = new ElementValue[1];
t[0] = value;
return parents[0].getValue(element, t, attrs, hints);
}
String val = (String) value.getValue();
if (val !=null && constraints[0].getFacetType() == Facet.ENUMERATION) {
for (int i = 0; i < constraints.length; i++) {
if (val.equalsIgnoreCase(constraints[i].getValue())) {
ElementValue[] t = new ElementValue[1];
t[0] = value;
return parents[0].getValue(element, t, attrs, hints);
}
}
return null;
}
Number nval = null;
Date dval = null;
ElementValue[] t = new ElementValue[1];
t[0] = value;
Object o = parents[0].getValue(element, t, attrs, hints);
if (o instanceof Number) {
nval = (Number) o;
}
if (o instanceof Date) {
dval = (Date) o;
}
// check each constraint
for (int i = 0; i < constraints.length; i++) {
switch (constraints[i].getFacetType()) {
case Facet.ENUMERATION:
/*throw new SAXException(
"cannot have enumerations mixed with other facets.");*/
break;
case Facet.FRACTIONDIGITS:
int decimals = val.length() - val.indexOf(".");
int maxDec = Integer.parseInt(constraints[i].getValue());
if (decimals > maxDec) {
throw new SAXException("Too many decimal places");
}
break;
case Facet.LENGTH:
int maxLength = Integer.parseInt(constraints[i].getValue());
if (val.length() != maxLength) {
throw new SAXException("Too long places");
}
break;
case Facet.MAXEXCLUSIVE:
if (nval != null) {
Double max = Double.valueOf(constraints[i].getValue());
if (nval.doubleValue() > max.doubleValue()) {
throw new SAXException("Too large a value");
}
}
if (dval != null) {
Date max;
try {
max = DateFormat.getDateTimeInstance().parse(constraints[i]
.getValue());
} catch (ParseException e) {
throw new SAXException(e);
}
if (dval.after(max)) {
throw new SAXException("Too large a value");
}
}
break;
case Facet.MAXINCLUSIVE:
if (nval != null) {
Double max = Double.valueOf(constraints[i].getValue());
if (nval.doubleValue() >= max.doubleValue()) {
throw new SAXException("Too large a value");
}
}
if (dval != null) {
Date max;
try {
max = DateFormat.getDateTimeInstance().parse(constraints[i]
.getValue());
} catch (ParseException e) {
throw new SAXException(e);
}
if (dval.compareTo(max) > 0) {
throw new SAXException("Too large a value");
}
}
case Facet.MAXLENGTH:
maxLength = Integer.parseInt(constraints[i].getValue());
if (val.length() > maxLength) {
throw new SAXException("Too long places");
}
break;
case Facet.MINEXCLUSIVE:
if (nval != null) {
Double max = Double.valueOf(constraints[i].getValue());
if (nval.doubleValue() < max.doubleValue()) {
throw new SAXException("Too large a value");
}
}
if (dval != null) {
Date max;
try {
max = DateFormat.getDateTimeInstance().parse(constraints[i]
.getValue());
} catch (ParseException e) {
throw new SAXException(e);
}
if (dval.before(max)) {
throw new SAXException("Too large a value");
}
}
case Facet.MININCLUSIVE:
if (nval != null) {
Double max = Double.valueOf(constraints[i].getValue());
if (nval.doubleValue() <= max.doubleValue()) {
throw new SAXException("Too large a value");
}
}
if (dval != null) {
Date max;
try {
max = DateFormat.getDateTimeInstance().parse(constraints[i]
.getValue());
} catch (ParseException e) {
throw new SAXException(e);
}
if (dval.compareTo(max) < 0) {
throw new SAXException("Too large a value");
}
}
case Facet.MINLENGTH:
maxLength = Integer.parseInt(constraints[i].getValue());
if (val.length() < maxLength) {
throw new SAXException("Too short places");
}
break;
case Facet.PATTERN:
if (val.split(constraints[i].getValue()).length != 1) {
throw new SAXException("Does not match pattern");
}
break;
case Facet.TOTALDIGITS:
maxLength = Integer.parseInt(constraints[i].getValue()) + 1;
if (val.length() > maxLength) {
throw new SAXException("Too many digits");
}
break;
}
}
return o;
}
/**
* @see org.geotools.xml.schema.SimpleType#getChildType()
*/
public int getChildType() {
return type;
}
/**
* @see org.geotools.xml.schema.SimpleType#getFacets()
*/
public Facet[] getFacets() {
return constraints;
}
/**
* @throws OperationNotSupportedException
* @see org.geotools.xml.schema.SimpleType#toAttribute(org.geotools.xml.schema.Attribute,
* java.lang.Object, java.util.Map)
*/
public AttributeValue toAttribute(Attribute attribute, Object value,
Map hints) throws OperationNotSupportedException {
if (value == null) {
return null;
}
if (type == UNION) {
for (int i = 0; i < parents.length; i++) {
// finds first that works
// TODO check that 'equals' works here
if (parents[i].equals(attribute.getSimpleType())
&& parents[i].canCreateAttributes(attribute, value,
hints)) {
return parents[i].toAttribute(attribute, value, hints);
}
}
return parents[0].toAttribute(attribute, value, hints);
}
if (type == LIST) {
List l = (List) value;
Iterator i = l.iterator();
String s = "";
if (i.hasNext()) {
Object t = parents[0].toAttribute(attribute, i.next(), hints)
.getValue();
s = t.toString();
while (i.hasNext()) {
t = parents[0].toAttribute(attribute, i.next(), hints)
.getValue();
s = s + " " + t.toString();
}
}
return new AttributeValueGT(attribute, s);
}
return parents[0].toAttribute(attribute, value, hints);
}
/**
* @see org.geotools.xml.schema.SimpleType#canCreateAttributes(org.geotools.xml.schema.Attribute,
* java.lang.Object, java.util.Map)
*/
public boolean canCreateAttributes(Attribute attribute, Object value,
Map hints) {
if (value == null) {
return false;
}
if (type == UNION) {
for (int i = 0; i < parents.length; i++) {
// finds first that works
// TODO check that 'equals' works here
if (parents[i].equals(attribute.getSimpleType())
&& parents[i].canCreateAttributes(attribute, value,
hints)) {
return true;
}
}
return false;
}
if (type == LIST) {
return parents[0].canCreateAttributes(attribute, value, hints);
}
return parents[0].canCreateAttributes(attribute, value, hints);
}
/**
* @see org.geotools.xml.schema.Type#canEncode(org.geotools.xml.schema.Element,
* java.lang.Object, java.util.Map)
*/
public boolean canEncode(Element element, Object value, Map hints) {
if (value == null) {
return false;
}
if (type == UNION) {
for (int i = 0; i < parents.length; i++) {
// finds first that works
// TODO check that 'equals' works here
if (parents[i].equals(element.getType())
&& parents[i].canEncode(element, value, hints)) {
return true;
}
}
return false;
}
if (type == LIST) {
return parents[0].canEncode(element, value, hints);
}
return parents[0].canEncode(element, value, hints);
}
/**
* @see org.geotools.xml.schema.Type#encode(org.geotools.xml.schema.Element,
* java.lang.Object, org.geotools.xml.PrintHandler, java.util.Map)
*/
public void encode(Element element, Object value, PrintHandler output,
Map hints) throws IOException, OperationNotSupportedException {
if (value == null) {
return;
}
if (type == UNION) {
for (int i = 0; i < parents.length; i++) {
// finds first that works
// TODO check that 'equals' works here
if (parents[i].equals(element.getType())
&& parents[i].canEncode(element, value, hints)) {
parents[i].encode(element, value, output, hints);
}
return;
}
parents[0].encode(element, value, output, hints);
return;
}
if (type == LIST) {
List l = (List) value;
Iterator i = l.iterator();
String s = "";
if (i.hasNext()) {
Object t = parents[0].toAttribute(new AttributeGT(null,
null, namespace, parents[0], 0, null, null, false),
value, hints).getValue();
s = t.toString();
while (i.hasNext()) {
t = parents[0].toAttribute(new AttributeGT(null, null,
namespace, parents[0], 0, null, null, false),
value, hints).getValue();
s = s + " " + t.toString();
}
}
parents[0].encode(element, s, output, hints);
return;
}
parents[0].encode(element, value, output, hints);
}
}