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CRISTAL-iSE XPATH Outcome Initiator Module
/**
* This file is part of the CRISTAL-iSE XPath Outcome Initiator module.
* Copyright (c) 2001-2016 The CRISTAL Consortium. All rights reserved.
*
* 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; either version 3 of the License, or (at
* your option) any later version.
*
* This library is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; with out even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public
* License for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with this library; if not, write to the Free Software Foundation,
* Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA.
*
* http://www.fsf.org/licensing/licenses/lgpl.html
*/
package org.cristalise.kernel.persistency.outcomebuilder;
import java.io.IOException;
import java.io.Writer;
import java.math.BigDecimal;
import java.math.BigInteger;
import java.time.LocalDate;
import java.time.OffsetDateTime;
import java.time.OffsetTime;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.Enumeration;
import java.util.HashMap;
import java.util.Map;
import java.util.Map.Entry;
import org.apache.commons.lang3.StringUtils;
import org.cristalise.kernel.utils.Logger;
import org.exolab.castor.types.AnyNode;
import org.exolab.castor.xml.schema.Annotated;
import org.exolab.castor.xml.schema.Annotation;
import org.exolab.castor.xml.schema.ComplexType;
import org.exolab.castor.xml.schema.ContentModelGroup;
import org.exolab.castor.xml.schema.Documentation;
import org.exolab.castor.xml.schema.ElementDecl;
import org.exolab.castor.xml.schema.Group;
import org.exolab.castor.xml.schema.ModelGroup;
import org.exolab.castor.xml.schema.Order;
import org.exolab.castor.xml.schema.Particle;
import org.exolab.castor.xml.schema.SimpleType;
import org.exolab.castor.xml.schema.SimpleTypesFactory;
import org.exolab.castor.xml.schema.Wildcard;
import org.exolab.castor.xml.schema.XMLType;
import org.json.JSONObject;
import org.w3c.dom.Document;
import org.w3c.dom.Element;
import org.w3c.dom.Node;
import org.w3c.dom.NodeList;
// contains child outcome elements - creates new ones
public abstract class OutcomeStructure {
ElementDecl model = null;
Element myElement = null;
String help = null;
ArrayList subStructureOrder = new ArrayList();
HashMap subStructure = new HashMap();
public OutcomeStructure() {}
public OutcomeStructure(ElementDecl model) {
this.model = model;
subStructure = new HashMap();
Logger.msg(8, "OutcomeStructure() - Creating '" + model.getName() + "' structure as " + this.getClass().getSimpleName());
String doc = extractHelp(model);
if (StringUtils.isNotBlank(doc)) help = doc;
}
/**
* After schema processing, addInstance() propagates the XML instance document down the layout.
* Most OutcomeStructures will throw an exception if called more than once, except Dimension, which
* is the only Outcome Structure to support maxOccurs>1
*
* @param myElement
* @param parentDoc
* @throws OutcomeBuilderException
*/
public abstract void addInstance(Element myElement, Document parentDoc) throws OutcomeBuilderException;
/**
*
* @param parent
* @return
*/
public abstract Element initNew(Document rootDocument);
public abstract void exportViewTemplate(Writer template) throws IOException;
public abstract Object generateNgDynamicForms(Map inputs);
public abstract JSONObject generateNgDynamicFormsCls();
public abstract void addJsonInstance(Element parent, String name, Object json) throws OutcomeBuilderException;
/**
*
* @param rootDocument
* @param recordName
* @return
* @throws OutcomeBuilderException
*/
public Element createChildElement(Document rootDocument, String recordName) throws OutcomeBuilderException {
OutcomeStructure childModel = getChildModelElement(recordName);
if (childModel == null) throw new StructuralException("'"+model.getName()+"' does not have child '"+recordName+"'");
Element newElement = childModel.initNew(rootDocument);
Element refElement = null;
boolean cont = true;
// lets find out where to insert this new element
for (int i = 0; i < subStructureOrder.size()-1 && cont; i++) {
if (recordName.equals(subStructureOrder.get(i))) {
cont = false;
for (int k = i+1; k < subStructureOrder.size() && refElement == null; k++) {
String refElementName = subStructureOrder.get(k);
NodeList children = myElement.getChildNodes();
for (int j = 0; j < children.getLength() && refElement == null; j++) {
Node child = children.item(j);
// ignore any Node (e.g. Text) which are not Element type
if (child instanceof Element && child.getNodeName().equals(refElementName)) {
refElement = (Element) child;
}
}
}
}
}
if (refElement == null) myElement.appendChild(newElement);
else myElement.insertBefore(newElement, refElement);
return newElement;
}
/**
* Contains the rules for deciding which OutcomeStructure will represent a chosen Element Declaration. In this order
*
* - if maxOccurs > 1 then Dimension
*
- SimpleTypes are Fields
*
- No element children is a Field
*
- Everything else is a DataRecord
*
*/
public OutcomeStructure createStructure(ElementDecl model) throws OutcomeBuilderException {
XMLType elementType = model.getType();
if (model.getMaxOccurs() == 0) return null;
// if more than one can occur - dimension
if (model.getMaxOccurs() > 1 || model.getMaxOccurs() == Particle.UNBOUNDED) // || model.getMinOccurs() == 0
return new Dimension(model);
// must have a type from now on
if (elementType == null)
throw new StructuralException("Element " + model.getName() + " is elementary yet has no type.");
// simple types will be fields
if (elementType instanceof SimpleType) return new Field(model);
// otherwise is a complex type
try {
ComplexType elementComplexType = (ComplexType) elementType;
// when no element children - field
if (elementComplexType.getParticleCount() == 0) return new Field(model);
// everything else is a data record
return new DataRecord(model);
}
catch (ClassCastException e) {
throw new StructuralException("Unknown XMLType for element " + model.getName());
}
}
/**
* Extracts child Element declarations from a content group and recursively from any group (not Element) of that group. calls
* createStructure() to find the corresponding OutcomeStructure then adds it to this structure.
*/
public void enumerateElements(ContentModelGroup group) throws OutcomeBuilderException {
// process base types first if complex type
// HACK: castor does not include elements from basetype, so we do it manually. if they fix it, this will duplicate child elements.
if (group instanceof ComplexType) {
XMLType base = ((ComplexType) group).getBaseType();
if (base instanceof ComplexType) enumerateElements((ComplexType) base);
}
for (Enumeration elements = group.enumerate(); elements.hasMoreElements();) {
Particle thisParticle = (Particle) elements.nextElement();
if (thisParticle instanceof Group) {
Group thisGroup = (Group) thisParticle;
if (thisGroup instanceof ModelGroup) {
// HACK: Castor strangeness - model groups don't seem to resolve their own references. If fixed, this will still work
ModelGroup thisModel = (ModelGroup) thisGroup;
if (thisModel.hasReference()) thisGroup = thisModel.getReference();
}
// xs:sequences and xs:all is supported in data structures such as these
Order thisOrder = thisGroup.getOrder();
if (thisOrder == Order.sequence || thisOrder == Order.all)
enumerateElements(thisGroup);
else
throw new StructuralException("The '" + thisGroup.getOrder() + "' group is not supported");
}
else if (thisParticle instanceof ElementDecl) {
ElementDecl thisElement = (ElementDecl) thisParticle;
addStructure(createStructure(thisElement));
}
else if (thisParticle instanceof Wildcard) {
//do nothing
Logger.msg(5, "OutcomeStructure.enumerateElements() - group has Wildcard representing xs:any");
}
else {
throw new StructuralException("Cannot process Particle '" + thisParticle.getClass() + "' : Not implemented");
}
}
}
/**
* Adds a generated OutcomeStructure as a child of this one. A separate structure as is often overridden.
*/
public void addStructure(OutcomeStructure newElement) throws OutcomeBuilderException {
if (newElement == null) return;
String elementName = newElement.getName();
subStructure.put(elementName, newElement);
subStructureOrder.add(elementName);
}
public Element getElement() {
return myElement;
}
public String getName() {
if (model == null) return null;
return model.getName();
}
public ElementDecl getModel() {
return model;
}
public String getHelp() {
return help;
}
public String validateStructure() {
StringBuffer errors = new StringBuffer();
for (Entry element : subStructure.entrySet()) {
Logger.debug(5, "OutcomeStructure.validateStructure() - validating : " + element.getKey());
errors.append(element.getValue().validateStructure());
}
return errors.toString();
}
public OutcomeStructure getChildModelElement(String name) {
return subStructure.get(name);
}
public static String extractHelp(Annotated model) {
Enumeration e = model.getAnnotations();
StringBuffer doc = new StringBuffer();
if (e.hasMoreElements()) { // look for HTML
Annotation note = (Annotation) e.nextElement();
for (Enumeration g = note.getDocumentation(); g.hasMoreElements();) {
Documentation thisDoc = (Documentation) g.nextElement();
for (Enumeration h = thisDoc.getObjects(); h.hasMoreElements();) {
AnyNode node = (AnyNode) h.nextElement();
String line = node.toString();
if (line.length() == 0) line = node.getStringValue();
if (line.length() > 0) doc.append(line).append("\n");
}
}
}
return doc.toString();
}
public static Class getJavaClass(int typeCode) {
switch (typeCode) {
// boolean
case SimpleTypesFactory.BOOLEAN_TYPE:
return Boolean.class;
// all types of integers
case SimpleTypesFactory.INTEGER_TYPE:
case SimpleTypesFactory.NON_POSITIVE_INTEGER_TYPE:
case SimpleTypesFactory.NEGATIVE_INTEGER_TYPE:
case SimpleTypesFactory.NON_NEGATIVE_INTEGER_TYPE:
case SimpleTypesFactory.POSITIVE_INTEGER_TYPE:
case SimpleTypesFactory.INT_TYPE:
case SimpleTypesFactory.UNSIGNED_INT_TYPE:
case SimpleTypesFactory.SHORT_TYPE:
case SimpleTypesFactory.UNSIGNED_SHORT_TYPE:
case SimpleTypesFactory.LONG_TYPE:
case SimpleTypesFactory.UNSIGNED_LONG_TYPE:
case SimpleTypesFactory.BYTE_TYPE:
case SimpleTypesFactory.UNSIGNED_BYTE_TYPE:
return BigInteger.class;
// all types of floats
case SimpleTypesFactory.FLOAT_TYPE:
case SimpleTypesFactory.DOUBLE_TYPE:
case SimpleTypesFactory.DECIMAL_TYPE:
return BigDecimal.class;
// images
case SimpleTypesFactory.BASE64BINARY_TYPE:
case SimpleTypesFactory.HEXBINARY_TYPE:
return null;
//return ImageIcon.class;
case SimpleTypesFactory.DATE_TYPE:
return LocalDate.class;
case SimpleTypesFactory.TIME_TYPE:
return OffsetTime.class;
case SimpleTypesFactory.DATETIME_TYPE:
return OffsetDateTime.class;
// everything else is a string for now
default:
return String.class;
}
}
public static Object getTypedValue(String value, Class type) {
try {
if (type.equals(Boolean.class)) {
if (StringUtils.isBlank(value)) return Boolean.FALSE;
else return Boolean.valueOf(value);
}
else if (type.equals(BigInteger.class)) {
if (StringUtils.isBlank(value)) return new BigInteger("0");
else return new BigInteger(value);
}
else if (type.equals(BigDecimal.class)) {
if (StringUtils.isBlank(value)) return new BigDecimal(0);
else return new BigDecimal(value);
}
}
catch (Exception ex) {
if (Logger.doLog(6)) Logger.error(ex);
Logger.warning("Cannot convert value '" + value + "' to a " + type.getName());
}
return value == null ? "" : value;
}
public static boolean isEmpty(Object value) {
if (value == null) return true;
if (value instanceof String) {
if (((String) value).length() == 0) return true;
}
else if (value instanceof Boolean) {
if (((Boolean) value).booleanValue() == false) return true;
}
else if (value instanceof BigInteger) {
if (((BigInteger) value).intValue() == 0) return true;
}
else if (value instanceof BigDecimal) {
if (((BigDecimal) value).floatValue() == 0.0) return true;
}
return false;
}
public boolean isOptional() {
return model.getMinOccurs() == 0;
}
public OutcomeStructure find(String[] names) {
OutcomeStructure child = getChildModelElement(names[0]);
if (names.length == 1) return child;
else return child.find(Arrays.copyOfRange(names, 1, names.length-1));
}
}
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