package org.jboss.tools.seam.xml.ds.model;
import java.util.HashMap;
import java.util.HashSet;
import java.util.Map;
import java.util.Set;
import org.jboss.tools.common.meta.XAttribute;
import org.jboss.tools.common.meta.XModelEntity;
import org.jboss.tools.common.meta.constraint.impl.XAttributeConstraintAList;
import org.jboss.tools.common.model.XModelObject;
import org.jboss.tools.common.model.util.XModelObjectLoaderUtil;
import org.jboss.tools.common.xml.XMLUtilities;
import org.w3c.dom.Element;
import org.w3c.dom.Node;
import org.w3c.dom.NodeList;
public class DSFileLoaderUtil extends XModelObjectLoaderUtil implements DSConstants {
public DSFileLoaderUtil() {}
protected boolean isSaveable(XModelEntity entity, String n, String v, String dv) {
if(v == null) return false;
if(v.length() == 0 || v.equals(dv)) {
XAttribute attr = entity.getAttribute(n);
return (attr != null && "always".equals(attr.getProperty("save"))); //$NON-NLS-1$ //$NON-NLS-2$
}
return super.isSaveable(entity, n, v, dv);
}
public boolean save(Element parent, XModelObject o) {
if(!needToSave(o)) return true;
return super.save(parent, o);
}
public boolean saveChildren(Element element, XModelObject o) {
boolean b = super.saveChildren(element, o);
//TODO check dtd
moveProperties(element);
return b;
}
protected boolean needToSave(XModelObject o) {
String s = o.getModelEntity().getProperty("saveDefault"); //$NON-NLS-1$
if(!"false".equals(s)) return true; //$NON-NLS-1$
if(hasSetAttributes(o)) return true;
if(o.getChildren().length > 0) return true;
return false;
}
private boolean hasSetAttributes(XModelObject o) {
XAttribute[] as = o.getModelEntity().getAttributes();
for (int i = 0; i < as.length; i++) {
String xml = as[i].getXMLName();
// it would be more safe to check isSavable
if(xml == null || xml.length() == 0 || "NAME".equals(xml)) continue; //$NON-NLS-1$
String v = o.getAttributeValue(as[i].getName());
if(v != null && v.length() > 0) return true;
}
String finalComment = o.get("#final-comment"); //$NON-NLS-1$
if(finalComment != null && finalComment.length() > 0) return true;
return false;
}
public void saveAttribute(Element element, String xmlname, String value) {
if(ATTR_TRACK_CONN.equals(xmlname) || ATTR_NO_TX_SEPARATE_POOLS.equals(xmlname)) {
XMLUtilities.createElement(element, xmlname);
} else if(ATTR_TRANSACTION.equals(xmlname)) {
if(value.length() > 0) XMLUtilities.createElement(element, value);
} else if(ATTR_SECURITY_TYPE.equals(xmlname)) {
if(value.length() > 0) XMLUtilities.createElement(element, value);
} else if(ATTR_SECURITY_DOMAIN.equals(xmlname)) {
Element e = XMLUtilities.getUniqueChild(element, "security-domain");
if (e == null) e = XMLUtilities.getUniqueChild(element, "security-domain-and-application");
if(e != null) super.saveAttribute(e, "#text", value);
} else {
super.saveAttribute(element, xmlname, value);
}
}
public String getAttribute(Element element, String xmlname, XAttribute attr) {
if(ATTR_TRACK_CONN.equals(xmlname) || ATTR_NO_TX_SEPARATE_POOLS.equals(xmlname)) {
return (XMLUtilities.getUniqueChild(element, xmlname) != null) ? "true" : "false"; //$NON-NLS-1$ //$NON-NLS-2$
} else if(ATTR_TRANSACTION.equals(xmlname) || ATTR_SECURITY_TYPE.equals(xmlname)) {
String[] vs = ((XAttributeConstraintAList)attr.getConstraint()).getValues();
for (int i = 0; i < vs.length; i++) {
if(XMLUtilities.getUniqueChild(element, vs[i]) != null) return vs[i];
}
return "";
} else if(ATTR_SECURITY_DOMAIN.equals(xmlname)) {
XAttribute a = attr.getModelEntity().getAttribute(ATTR_SECURITY_TYPE);
String[] vs = ((XAttributeConstraintAList)a.getConstraint()).getValues();
for (int i = 0; i < vs.length; i++) {
if(XMLUtilities.getUniqueChild(element, vs[i]) != null) return super.getAttribute(element, vs[i] + ".#text");
}
return "";
} else {
return super.getAttribute(element, xmlname, attr);
}
}
protected Set<String> getAllowedChildren(XModelEntity entity) {
Set<String> children = super.getAllowedChildren(entity);
XAttribute a = entity.getAttribute(ATTR_TRACK_CONN);
if(a != null) children.add(a.getXMLName());
a = entity.getAttribute(ATTR_TRANSACTION);
if(a != null) {
String[] vs = ((XAttributeConstraintAList)a.getConstraint()).getValues();
for (int i = 0; i < vs.length; i++) {
children.add(vs[i]);
}
}
a = entity.getAttribute(ATTR_SECURITY_TYPE);
if(a != null) {
String[] vs = ((XAttributeConstraintAList)a.getConstraint()).getValues();
for (int i = 0; i < vs.length; i++) {
children.add(vs[i]);
}
}
return children;
}
static Set<String> beforeXADatasourceProperty = new HashSet<String>();
static Set<String> beforeConnectionProperty = new HashSet<String>();
static Set<String> beforeConfigProperty = new HashSet<String>();
static Map<String, Set<String>> propertiesToMove = new HashMap<String, Set<String>>();
static {
beforeXADatasourceProperty.add("xa-datasource-class");
String[] beforeConfigNames = {"connection-definition", "rar-name", "track-connection-by-tx", "xa-transaction", "local-transaction", "jndi-name"};
for (String n: beforeConfigNames) beforeConfigProperty.add(n);
String[] beforeConnectionNames = {"driver-class", "transaction-isolation"};
for (String n: beforeConnectionNames) beforeConnectionProperty.add(n);
propertiesToMove.put("xa-datasource-property", beforeXADatasourceProperty);
propertiesToMove.put("connection-property", beforeConnectionProperty);
propertiesToMove.put("config-property", beforeConfigProperty);
}
void moveProperties(Element parent) {
NodeList ns = parent.getChildNodes();
String childName = null;
for (int i = 0; i < ns.getLength(); i++) {
Node n = ns.item(i);
if(!(n instanceof Element)) continue;
String name = n.getNodeName();
if(propertiesToMove.containsKey(name)) {
childName = name;
break;
}
}
if(childName != null) {
moveChildren(parent, childName, propertiesToMove.get(childName));
}
}
void moveChildren(Element parent, String childName, Set<String> namesBeforeChild) {
Element[] ps = XMLUtilities.getChildren(parent, childName);
if(ps == null || ps.length == 0) return;
Node after = null;
Node before = null;
NodeList ns = parent.getChildNodes();
for (int i = 0; i < ns.getLength(); i++) {
Node n = ns.item(i);
if(!(n instanceof Element)) continue;
if(namesBeforeChild.contains(n.getNodeName())) {
after = n;
} else {
if(after != null) {
before = n;
break;
}
}
}
if(before == null || before == ps[0]) return;
for (int i = 0; i < ps.length; i++) {
parent.insertBefore(ps[i], before);
}
}
}