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package org.singinst.uf.presenter;
import java.util.Map;
import java.util.TreeMap;
import java.util.Map.Entry;
import org.singinst.uf.model.ScalarValueHolder;
public abstract class Store {
private static Store instance = null;
public abstract Double get(String key);
public abstract void put(String key, double value);
/**
* Load data (expert claim). This is called from the browser.
* @param jsonSubset
*/
public void loadData(String jsonSubset) {
try {
attemptLoad(jsonSubset);
} catch (Exception e) {
Status.singleton.setValue("<html>" + HtmlUtil.red("Load failed!"));
e.printStackTrace();
}
}
/**
* example: {"caption": "loaded foo", "Q2-3.value": "1.35"}
*/
private void attemptLoad(String jsonSubset) {
Map<String, String> map = new TreeMap<String, String>();
String[] properties = jsonSubset.replaceFirst("\\{(.+)\\}", "$1").split("\\,");
for (String property : properties) {
String[] keyValue = property.split("\\:");
String key = scrub(keyValue[0]);
String value = scrub(keyValue[1]);
map.put(key, value);
}
String caption = map.remove("caption");
if (caption == null) {
caption = "loaded: " + map.toString();
}
for (Entry<String, String> e: map.entrySet()) {
ScalarValueHolder.findById(e.getKey()).setValue(Double.valueOf(e.getValue()));
}
Status.singleton.setValue(caption);
}
private String scrub(String string) {
return string.trim().replaceFirst("\\\"(.+)\\\"", "$1").replaceFirst("\\'(.+)\\'", "$1");
}
public static void setInstance(Store instance) {
Store.instance = instance;
}
public static Store getInstance() {
return instance;
}
}
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