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package com.vaadin.tests.application;
import java.util.Arrays;
import java.util.Date;
import java.util.TimeZone;
import com.vaadin.server.VaadinRequest;
import com.vaadin.tests.components.AbstractReindeerTestUI;
import com.vaadin.ui.Label;
public class WebBrowserTimeZone extends AbstractReindeerTestUI {
@Override
protected void setup(VaadinRequest request) {
final Label offsetLabel = addLabel("Browser offset");
final Label rawOffsetLabel = addLabel("Browser raw offset");
final Label dstDiffLabel = addLabel(
"Difference between raw offset and DST");
final Label dstInEffectLabel = addLabel("Is DST currently active?");
final Label curDateLabel = addLabel("Current date in the browser");
final Label diffLabel = addLabel(
"Browser to Europe/Helsinki offset difference");
final Label containsLabel = addLabel("Browser could be in Helsinki");
addButton("Get TimeZone from browser", event -> {
TimeZone hkiTZ = TimeZone.getTimeZone("Europe/Helsinki");
int hkiOffset = hkiTZ.getOffset(new Date().getTime());
int browserOffset = getBrowser().getTimezoneOffset();
int browserRawOffset = getBrowser().getRawTimezoneOffset();
String[] tzs = TimeZone.getAvailableIDs(browserRawOffset);
boolean contains = Arrays.asList(tzs).contains(hkiTZ.getID());
offsetLabel.setValue(String.valueOf(browserOffset));
rawOffsetLabel.setValue(String.valueOf(browserRawOffset));
diffLabel.setValue(String.valueOf(browserOffset - hkiOffset));
containsLabel.setValue(contains ? "Yes" : "No");
dstDiffLabel.setValue(String.valueOf(getBrowser().getDSTSavings()));
dstInEffectLabel
.setValue(getBrowser().isDSTInEffect() ? "Yes" : "No");
curDateLabel.setValue(getBrowser().getCurrentDate().toString());
});
}
private Label addLabel(String caption) {
final Label label = new Label("n/a");
label.setCaption(caption);
addComponent(label);
return label;
}
@Override
protected String getTestDescription() {
return "Verifies that browser TimeZone offset works - should be same as server in our case (NOTE assumes server+browser in same TZ)";
}
@Override
protected Integer getTicketNumber() {
return 6691;
}
}
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