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XULRunner with Java: JavaXPCOM Tutorial 5

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package es.ladyr.javaxpcom.browser;
import java.util.ArrayList;
import java.util.List;
import java.util.concurrent.CountDownLatch;
import java.util.concurrent.TimeUnit;
import org.eclipse.swt.SWT;
import org.eclipse.swt.SWTError;
import org.eclipse.swt.browser.Browser;
import org.eclipse.swt.browser.ProgressEvent;
import org.eclipse.swt.browser.ProgressListener;
import org.eclipse.swt.widgets.Display;
import org.eclipse.swt.widgets.Shell;
import org.mozilla.dom.html.HTMLDocumentImpl;
import org.mozilla.dom.NodeFactory;
import org.mozilla.interfaces.nsIComponentManager;
import org.mozilla.interfaces.nsIDOMDocument;
import org.mozilla.interfaces.nsIDOMHTMLDocument;
import org.mozilla.interfaces.nsIDOMNode;
import org.mozilla.interfaces.nsIDOMWindow;
import org.mozilla.interfaces.nsIDOMXPathEvaluator;
import org.mozilla.interfaces.nsIDOMXPathNSResolver;
import org.mozilla.interfaces.nsIDOMXPathResult;
import org.mozilla.interfaces.nsISupports;
import org.mozilla.interfaces.nsIWebBrowser;
import org.mozilla.xpcom.Mozilla;
import org.w3c.dom.DOMException;
im


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