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/*
* Copyright 2008 Google Inc.
*
* Licensed under the Apache License, Version 2.0 (the "License"); you may not
* use this file except in compliance with the License. You may obtain a copy of
* the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
* License for the specific language governing permissions and limitations under
* the License.
*/
package com.google.gwt.benchmarks.viewer.server;
import com.google.gwt.benchmarks.viewer.client.Category;
import com.google.gwt.benchmarks.viewer.client.Report;
import org.w3c.dom.Element;
import org.w3c.dom.Node;
import org.w3c.dom.NodeList;
import java.text.DateFormat;
import java.text.ParseException;
import java.util.ArrayList;
import java.util.Date;
import java.util.List;
/**
* Hydrates a Report from its XML representation.
*/
class ReportXml {
/**
* Hydrates a Report from its XML representation.
*
* @param element The XML element to hydrate from.
* @return a new report (with null id)
*/
public static Report fromXml(Element element) {
Report report = new Report();
String dateString = element.getAttribute("date");
try {
DateFormat format = DateFormat.getDateTimeInstance();
Date d = format.parse(dateString);
report.setDate(d);
report.setDateString(format.format(d));
} catch (ParseException e) {
// let date remain null if it doesn't parse correctly
}
report.setGwtVersion(element.getAttribute("gwt_version"));
List<Element> children = getElementChildren(element, "category");
report.setCategories(new ArrayList<Category>(children.size()));
for (int i = 0; i < children.size(); ++i) {
report.getCategories().add(CategoryXml.fromXml(children.get(i)));
}
return report;
}
static Element getElementChild(Element e, String name) {
NodeList children = e.getElementsByTagName(name);
return children.getLength() == 0 ? null : (Element) children.item(0);
}
static List<Element> getElementChildren(Element e, String name) {
NodeList children = e.getElementsByTagName(name);
int numElements = children.getLength();
List<Element> elements = new ArrayList<Element>(numElements);
for (int i = 0; i < children.getLength(); ++i) {
Node n = children.item(i);
elements.add((Element) n);
}
return elements;
}
static String getText(Element e) {
Node n = e.getFirstChild();
return n == null ? null : n.getNodeValue();
}
}