GWT.isSuperDevMode()

DefaultRuntimeInfo.java

package com.intendia.igestion.web.util.info;

import com.google.gwt.core.client.GWT;
import com.google.gwt.dom.client.Document;
import com.google.gwt.dom.client.Element;
import com.google.gwt.dom.client.ScriptElement;

public class DefaultRuntimeInfo implements RuntimeInfo {

    @Override
    public boolean isProdMode() {
        return GWT.isProdMode() && !isSuperDevMode();
    }

    @Override
    public boolean isScript() {
        return GWT.isScript();
    }

    @Override
    public boolean isAssertionEnabled() {
        return getClass().desiredAssertionStatus();
    }

    private boolean isSuperDevMode() {
        Element head = Document.get().getElementsByTagName("head").getItem(0);
        Element scriptNode = head.getFirstChildElement();
        if (!ScriptElement.is(scriptNode)) {
            return false; // Super dev mode is always the first script
        }
        ScriptElement scriptElement = ScriptElement.as(scriptNode);
        String scriptSrc = scriptElement.getSrc();
        if (scriptSrc != null && scriptSrc.startsWith("http://localhost:")) {
            return true;
        }
        return false;
    }
}