/*
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.
*
* Copyright 2008 jOpenDocument, by ILM Informatique. All rights reserved.
*
* The contents of this file are subject to the terms of the GNU
* General Public License Version 3 only ("GPL").
* You may not use this file except in compliance with the License.
* You can obtain a copy of the License at http://www.gnu.org/licenses/gpl-3.0.html
* See the License for the specific language governing permissions and limitations under the License.
*
* When distributing the software, include this License Header Notice in each file.
*
*/
package org.jopendocument.dom;
import java.util.ArrayList;
import java.util.EnumSet;
import java.util.List;
import org.jdom.Attribute;
import org.jdom.Element;
import org.jdom.Namespace;
// eg <meta:user-defined meta:name="countOfSomething">5.2</meta:user-defined>
public class ODUserDefinedMeta extends ODNode {
private static final String ELEM_NAME = "user-defined";
static ODUserDefinedMeta create(String name, ODXMLDocument parent) {
final Element elem = new Element(ELEM_NAME, parent.getVersion().getMETA());
elem.setAttribute("name", name, parent.getVersion().getMETA());
final ODUserDefinedMeta res = new ODUserDefinedMeta(elem, parent);
res.setValue("");
return res;
}
@SuppressWarnings("unchecked")
static private List<Element> getChildren(final Element metaElem, final Namespace metaNS) {
return metaElem.getChildren(ELEM_NAME, metaNS);
}
static Element getElement(final Element metaElem, String name, final XMLVersion ns) {
final Namespace metaNS = ns.getMETA();
for (final Element elem : getChildren(metaElem, metaNS)) {
if (name.equals(elem.getAttributeValue("name", metaNS)))
return elem;
}
return null;
}
static List<String> getNames(final Element metaElem, final XMLVersion ns) {
final Namespace metaNS = ns.getMETA();
final List<String> res = new ArrayList<String>();
for (final Element elem : getChildren(metaElem, metaNS)) {
res.add(elem.getAttributeValue("name", metaNS));
}
return res;
}
private static final EnumSet<ODValueType> allowedTypes = EnumSet.of(ODValueType.FLOAT, ODValueType.DATE, ODValueType.TIME, ODValueType.BOOLEAN, ODValueType.STRING);
private final ODXMLDocument parent;
ODUserDefinedMeta(final Element elem, ODXMLDocument parent) {
super(elem);
this.parent = parent;
}
protected final ODXMLDocument getParent() {
return this.parent;
}
public final String getName() {
return this.getElement().getAttributeValue("name", this.getNS().getMETA());
}
private final XMLVersion getNS() {
return this.getParent().getVersion();
}
private final Attribute getValueTypeAttr() {
return getValueTypeAttr(true);
}
private final Attribute getValueTypeAttr(boolean create) {
Attribute res = this.getElement().getAttribute("value-type", this.getNS().getMETA());
// oo don't put value-type for strings (eg File/Properties/User)
if (res == null && create) {
res = new Attribute("value-type", ODValueType.STRING.getName(), this.getNS().getMETA());
this.getElement().setAttribute(res);
}
return res;
}
public final Object getValue() {
return getValueType().parse(this.getElement().getTextTrim());
}
public final ODValueType getValueType() {
return ODValueType.get(this.getValueTypeAttr().getValue());
}
public final void setValue(Object o) {
this.setValue(o, ODValueType.forObject(o));
}
public final void setValue(Object o, final ODValueType vt) {
if (!allowedTypes.contains(vt))
throw new IllegalArgumentException(vt + " is not allowed: " + allowedTypes);
if (vt != ODValueType.STRING)
this.getValueTypeAttr().setValue(vt.getName());
else {
// OOo doesn't support value types
final Attribute attr = this.getValueTypeAttr(false);
if (attr != null)
attr.detach();
}
this.getElement().setText(vt.format(o));
}
}