package org.eclipse.epf.library.edit.meta.internal;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import org.eclipse.emf.common.notify.Adapter;
import org.eclipse.emf.common.notify.Notification;
import org.eclipse.emf.common.notify.Notifier;
import org.eclipse.epf.common.utils.XMLUtil;
import org.eclipse.epf.library.edit.meta.IMetaDef;
import org.eclipse.epf.library.edit.meta.TypeDefException;
import org.eclipse.epf.library.edit.meta.TypeDefUtil;
import org.eclipse.epf.uma.util.ExtendedAttribute;
import org.eclipse.epf.uma.util.ExtendedOpposite;
import org.eclipse.epf.uma.util.ExtendedReference;
import org.eclipse.epf.uma.util.ExtendedSection;
import org.eclipse.epf.uma.util.ExtendedTable;
import org.eclipse.epf.uma.util.MetaElement;
import org.eclipse.epf.uma.util.ModifiedTypeMeta;
import org.eclipse.epf.uma.util.QualifiedReference;
import org.w3c.dom.Element;
public class MetaElementImpl implements MetaElement, IMetaDef, Adapter {
private String id;
private String name;
private String textContent;
private String globalId;
private boolean suppressed = false;;
private MetaElement parent;
private boolean inheritanceProcessed =false;
private MetaElement superMeta;
private boolean publish = true;
private String layout;
public MetaElementImpl(MetaElement parent) {
this.parent = parent;
}
public String getId() {
return id;
}
public void setId(String id) {
this.id = id;
}
public String getName() {
return name;
}
public void setName(String name) {
this.name = name;
}
public String getTextContent() {
return textContent;
}
public String getGlobalId() {
if (globalId == null) {
globalId = getGlobalId_();
}
return globalId;
}
private String getGlobalId_() {
if (getParent() != null) {
return getParent().getGlobalId() + IMetaDef.scopeSeperator + getId();
}
return getId();
}
public MetaElement getParent() {
return parent;
}
public boolean isSuppressed() {
return suppressed;
}
public int compareTo(MetaElement o) {
return getName().compareTo(o.getName());
}
private void validateId(String id) throws TypeDefException {
String context = ""; //$NON-NLS-1$
if (this instanceof ModifiedTypeMeta) {
context = "Modified type";//$NON-NLS-1$
} else if (this instanceof ExtendedSection) {
context = "Section";//$NON-NLS-1$
} else if (this instanceof ExtendedAttribute) {
context = "Rte";//$NON-NLS-1$
} else if (this instanceof QualifiedReference) {
context = "Qualified reference";//$NON-NLS-1$
} else if (this instanceof ExtendedReference) {
context = "Reference";//$NON-NLS-1$
} else if (this instanceof ExtendedTable) {
context = "Table";//$NON-NLS-1$
} else if (this instanceof ExtendedOpposite) {
if (id == null || id.length() == 0) {
return;
}
context = "Opposite feature";//$NON-NLS-1$
}
TypeDefUtil.getInstance().validateId(context, id);
}
public void parseElement(Element element) throws TypeDefException {
if (element == null) {
return;
}
id = element.getAttribute(IMetaDef.ID);
name = element.getAttribute(IMetaDef.NAME);
layout = element.getAttribute(IMetaDef.layout);
if (id != null) {
id = id.trim();
}
if (name != null) {
name = name.trim();
}
if (layout != null && layout.length() > 0) {
layout = layout.trim();
}
String str = element.getAttribute(IMetaDef.SUPPRESSED);
suppressed = str == null ? false : Boolean.parseBoolean(str.trim());
str = element.getAttribute(IMetaDef.publish);
publish = str == null || str.trim().length() == 0 ? true : Boolean.parseBoolean(str.trim());
Element nameElement = XMLUtil.getFirstChildElementByTagName(element, IMetaDef.NAME);
if (nameElement != null) {
name = nameElement.getTextContent();
}
name = name.trim();
textContent = element.getTextContent().trim();
validateId(id);
}
//Return true if this method is called the first time
public boolean processInheritance() {
if (inheritanceProcessed) {
return false;
}
inheritanceProcessed = true;
return true;
}
protected static List<? extends MetaElement> processInherentList(List<? extends MetaElement> myList, List<? extends MetaElement> superList) {
Map<String, MetaElement> map = new HashMap<String, MetaElement>();
for (MetaElement meta : myList) {
map.put(meta.getId(), meta);
}
List<MetaElement> newList = new ArrayList<MetaElement>();
for (MetaElement meta : superList) {
MetaElement childMeta = map.remove(meta.getId());
if (childMeta == null) {
childMeta = meta;
} else {
childMeta.setSuperMeta(meta);
}
if (! childMeta.isSuppressed()) {
newList.add(childMeta);
}
}
for (MetaElement meta : myList) {
if (! meta.isSuppressed() && map.containsKey(meta.getId())) {
newList.add(meta);
}
}
return newList;
}
protected static List<? extends MetaElement> processSuppress(List<? extends MetaElement> myList) {
List<MetaElement> newList = new ArrayList<MetaElement>();
for (MetaElement meta : myList) {
if (! meta.isSuppressed()) {
newList.add(meta);
}
}
return newList;
}
public boolean publish() {
return publish;
}
public String getLayout() {
return layout;
}
//Adapter interface methods ->
public void notifyChanged(Notification notification) {
}
public Notifier getTarget() {
return null;
}
public void setTarget(Notifier newTarget) {
}
public boolean isAdapterForType(Object type) {
return false;
}
public MetaElement getSuperMeta() {
return superMeta;
}
public void setSuperMeta(MetaElement superMeta) {
this.superMeta = superMeta;
}
//Adapter interface methods <-
public String getDebugString(int ix, String indent) {
StringBuffer sb = new StringBuffer();
sb.append(indent + "[" + ix + "] " + getReferenceString(this) + "\n");//$NON-NLS-1$//$NON-NLS-2$
getDebugStringImpl(sb, indent);
return sb.toString();
}
protected String getReferenceString(Object obj) {
if (obj == null) {
return null;
}
return getClass().getSimpleName() + ": " + obj.hashCode();//$NON-NLS-1$
}
protected void getDebugStringImpl(StringBuffer sb, String indent) {
sb.append(indent + "id: " + id + "\n");
sb.append(indent + "name: " + name + "\n");
sb.append(indent + "globalId: " + getGlobalId() + "\n");
sb.append(indent + "suppressed: " + suppressed + "\n");
sb.append(indent + "parent: " + getReferenceString(parent) + "\n");
sb.append(indent + "superMeta: " + getReferenceString(superMeta) + "\n");
sb.append(indent + "publish: " + publish + "\n");
sb.append("\n");
}
public boolean isAncestorOf(MetaElement element) {
MetaElement parent = element == null ? null : element.getParent();
while (parent != null) {
if (parent == this) {
return true;
}
parent = parent.getParent();
}
return false;
}
public ModifiedTypeMeta getModifiedTypeMeta() {
MetaElement e = this;
while (e != null) {
if (e instanceof ModifiedTypeMeta) {
return (ModifiedTypeMeta) e;
}
e = e.getParent();
}
return null;
}
protected Boolean parseBoolean(Element element, String att) {
String value = element.getAttribute(att);
if (value == null) {
return null;
}
if (value.trim().equalsIgnoreCase("true")) { //$NON-NLS-1$
return Boolean.TRUE;
} else if (value.trim().equalsIgnoreCase("false")) {//$NON-NLS-1$
return Boolean.FALSE;
}
return null;
}
}