/**
* Set persistent value.
*
* @param uri Data URI
* @param data Data String
* @return true on success, else false
*/
public static boolean setValue(String uri, String data) {
Logger logger = Core.getLogger();
javax.jnlp.PersistenceService ps = null;
String codebase = null;
try {
ps =
(javax.jnlp.PersistenceService)
javax.jnlp.ServiceManager.lookup("javax.jnlp.PersistenceService");
javax.jnlp.BasicService bs =
(javax.jnlp.BasicService) javax.jnlp.ServiceManager.lookup("javax.jnlp.BasicService");
codebase = bs.getCodeBase().toString();
} catch (Exception ex) {
logger.warning("Unable to look up PersistenceService: " + ex);
return false;
}
URL key = null;
javax.jnlp.FileContents fc = null;
try {
key = new URL(codebase + uri);
} catch (MalformedURLException ex) {
Core.getLogger().warning("Unable to build persistence service uri: " + ex);
return false;
}
try {
ps.create(key, data.getBytes().length);
fc = ps.get(key);
fc.getOutputStream(false).write(data.getBytes());
return true;
} catch (Exception ex) {
logger.warning("Unable to write to persistence service: " + ex);
}
return false;
}
/**
* Get persistent value.
*
* @param uri Data URI
* @return Data String or null if not present
*/
public static String getValue(String uri) {
Logger logger = Core.getLogger();
javax.jnlp.PersistenceService ps = null;
String codebase = null;
try {
ps =
(javax.jnlp.PersistenceService)
javax.jnlp.ServiceManager.lookup("javax.jnlp.PersistenceService");
javax.jnlp.BasicService bs =
(javax.jnlp.BasicService) javax.jnlp.ServiceManager.lookup("javax.jnlp.BasicService");
codebase = bs.getCodeBase().toString();
} catch (Exception ex) {
logger.warning("Unable to look up PersistenceService: " + ex);
return null;
}
URL key = null;
javax.jnlp.FileContents fc = null;
try {
key = new URL(codebase + uri);
} catch (MalformedURLException ex) {
Core.getLogger().warning("Unable to build persistence service uri: " + ex);
return null;
}
try {
fc = ps.get(key);
byte[] b = new byte[(int) fc.getLength()];
fc.getInputStream().read(b);
return new String(b);
} catch (Exception ex) {
return null; // Failed to put something
}
}
private static synchronized void initialize() {
try {
fos = (FileOpenService) ServiceManager.lookup("javax.jnlp.FileOpenService");
fss = (FileSaveService) ServiceManager.lookup("javax.jnlp.FileSaveService");
} catch (UnavailableServiceException e) {
}
}
/** @see org.newdawn.slick.muffin.Muffin#saveFile(java.util.HashMap, java.lang.String) */
public void saveFile(HashMap scoreMap, String fileName) throws IOException {
PersistenceService ps;
BasicService bs;
URL configURL;
try {
ps = (PersistenceService) ServiceManager.lookup("javax.jnlp.PersistenceService");
bs = (BasicService) ServiceManager.lookup("javax.jnlp.BasicService");
URL baseURL = bs.getCodeBase();
// System.out.println("CodeBase was " + baseURL);
configURL = new URL(baseURL, fileName);
} catch (Exception e) {
Log.error(e);
throw new IOException("Failed to save state: ");
}
try {
ps.delete(configURL);
} catch (Exception e) {
Log.info("No exisiting Muffin Found - First Save");
}
try {
ps.create(configURL, 1024); // 1024 bytes for our data
FileContents fc = ps.get(configURL);
DataOutputStream oos = new DataOutputStream(fc.getOutputStream(false));
// scroll through hashMap and write key and value to file
Set keys = scoreMap.keySet(); // get the keys
// get values using keys
for (Iterator i = keys.iterator(); i.hasNext(); ) {
String key = (String) i.next();
oos.writeUTF(key);
if (fileName.endsWith("Number")) {
double value = ((Double) scoreMap.get(key)).doubleValue();
oos.writeDouble(value);
} else {
String value = (String) scoreMap.get(key);
oos.writeUTF(value);
}
}
oos.flush();
oos.close();
} catch (Exception e) {
Log.error(e);
throw new IOException("Failed to store map of state data");
}
}
/**
* Opens the online help
*
* @return boolean Return true if you open the online help, returns false otherwise
*/
private static void riskOpenURL(URL docs) throws Exception {
if (applet != null) {
applet.getAppletContext().showDocument(docs, "_blank");
} else if (webstart != null) {
javax.jnlp.BasicService bs =
(javax.jnlp.BasicService) javax.jnlp.ServiceManager.lookup("javax.jnlp.BasicService");
boolean good = bs.showDocument(docs);
if (!good) {
throw new Exception("unable to open URL: " + docs);
}
} else {
BrowserLauncher.openURL(docs.toString());
}
/*
if (applet == null ) {
File file = new File(docs);
openURL(new URL("file://" + file.getAbsolutePath()) );
}
else {
URL url = applet.getCodeBase(); // get url of the applet
openURL(new URL(url+docs));
}
try {
String cmd=null;
String os = System.getProperty("os.name");
if ( os != null && os.startsWith("Windows")) {
cmd = "rundll32 url.dll,FileProtocolHandler file://"+ file.getAbsolutePath();
}
else {
cmd = "mozilla file://"+ file.getAbsolutePath();
}
Runtime.getRuntime().exec(cmd);
return true;
}
catch(IOException x) {
return false;
}
*/
}
// constructor initializes LogoAnimatorJPanel by loading images
public LogoAnimatorJPanel() {
try {
// get reference to FileOpenService
FileOpenService fileOpenService =
(FileOpenService) ServiceManager.lookup("javax.jnlp.FileOpenService");
// display dialog that allows user to select multiple files
FileContents[] contents = fileOpenService.openMultiFileDialog(null, null);
// create array to store ImageIcon references
images = new ImageIcon[contents.length];
// load the selected images
for (int count = 0; count < images.length; count++) {
// create byte array to store an image's data
byte[] imageData = new byte[(int) contents[count].getLength()];
// get image's data and create image
contents[count].getInputStream().read(imageData);
images[count] = new ImageIcon(imageData);
} // end for
// this example assumes all images have the same width and height
width = images[0].getIconWidth(); // get icon width
height = images[0].getIconHeight(); // get icon height
} // end try
catch (Exception e) {
e.printStackTrace();
} // end catch
} // end LogoAnimatorJPanel constructor
private static URL getRiskFileURL(String a) {
try {
if (applet != null) {
return new URL(applet.getCodeBase(), a);
} else if (webstart != null) {
javax.jnlp.BasicService bs =
(javax.jnlp.BasicService) javax.jnlp.ServiceManager.lookup("javax.jnlp.BasicService");
return new URL(bs.getCodeBase(), a);
} else {
return new File(a).toURI().toURL();
}
} catch (Exception e) {
throw new RuntimeException(e);
}
}
/** @see org.newdawn.slick.muffin.Muffin#loadFile(java.lang.String) */
public HashMap loadFile(String fileName) throws IOException {
HashMap hashMap = new HashMap();
try {
PersistenceService ps =
(PersistenceService) ServiceManager.lookup("javax.jnlp.PersistenceService");
BasicService bs = (BasicService) ServiceManager.lookup("javax.jnlp.BasicService");
URL baseURL = bs.getCodeBase();
URL configURL = new URL(baseURL, fileName);
FileContents fc = ps.get(configURL);
DataInputStream ois = new DataInputStream(fc.getInputStream());
// read in data from muffin
String key;
// load hashMap as <String, Int> or <String, String>
if (fileName.endsWith("Number")) {
double value;
// while not end of file
while ((key = ois.readUTF()) != null) {
value = ois.readDouble();
// load value into hashMap
hashMap.put(key, new Double(value));
}
} else {
String value;
// while not end of file
while ((key = ois.readUTF()) != null) {
value = ois.readUTF();
// load value into hashMap
hashMap.put(key, value);
}
}
ois.close();
} catch (EOFException e) {
// End of the file reached, do nothing
} catch (IOException e) {
// No data there - thats ok, just not saved before
} catch (Exception e) {
Log.error(e);
throw new IOException("Failed to load state from webstart muffin");
}
return hashMap;
}
public static String getLoadFileName(Frame frame) {
if (applet != null) {
showAppletWarning(frame);
return null;
}
String extension = RiskFileFilter.RISK_SAVE_FILES;
if (webstart != null) {
try {
javax.jnlp.FileOpenService fos =
(javax.jnlp.FileOpenService)
javax.jnlp.ServiceManager.lookup("javax.jnlp.FileOpenService");
javax.jnlp.FileContents fc = fos.openFileDialog(SAVES_DIR, new String[] {extension});
if (fc != null) {
fileio.put(fc.getName(), fc);
return fc.getName();
} else {
return null;
}
} catch (Exception e) {
return null;
}
} else {
File dir = getSaveGameDir();
JFileChooser fc = new JFileChooser(dir);
fc.setFileFilter(new RiskFileFilter(extension));
int returnVal =
fc.showDialog(
frame, TranslationBundle.getBundle().getString("mainmenu.loadgame.loadbutton"));
if (returnVal == javax.swing.JFileChooser.APPROVE_OPTION) {
java.io.File file = fc.getSelectedFile();
// Write your code here what to do with selected file
return file.getAbsolutePath();
} else {
// Write your code here what to do if user has canceled Open dialog
return null;
}
}
}
/** Register as a Java Web Start listener */
private void registerJnlpListener() {
try {
sis = (SingleInstanceService) ServiceManager.lookup("javax.jnlp.SingleInstanceService");
sisL = new SISListener();
sis.addSingleInstanceListener(sisL);
} catch (UnavailableServiceException e) {
sis = null;
logger.warn("Cannot create single instance service for web start");
}
}
public void actionPerformed(ActionEvent e) {
try {
sysClipboard = (ClipboardService) ServiceManager.lookup("javax.jnlp.ClipboardService");
writeToClipboard();
} catch (UnavailableServiceException use) {
System.err.println(use);
sysClipboard = null;
}
}
/**
* Check if JNLP functionality is available.
*
* @return true if available, else false
*/
public static boolean isAvailable() {
try {
Class.forName("javax.jnlp.ServiceManager");
javax.jnlp.PersistenceService ps =
(javax.jnlp.PersistenceService)
javax.jnlp.ServiceManager.lookup("javax.jnlp.PersistenceService");
} catch (Exception ex) {
System.out.println("JNLP.PersistenceService is not available: " + ex);
return false;
}
return true;
}
/**
* Quick test to see if running through Java webstart
*
* @return True if jws running
*/
private boolean isWebstartAvailable() {
try {
Class.forName("javax.jnlp.ServiceManager");
// this causes to go and see if the service is available
ServiceManager.lookup("javax.jnlp.PersistenceService");
Log.info("Webstart detected using Muffins");
} catch (Exception e) {
Log.info("Using Local File System");
return false;
}
return true;
}
protected URL getURL(String filename) throws Exception {
BasicService bs = (BasicService) ServiceManager.lookup("javax.jnlp.BasicService");
URL codeBase = bs.getCodeBase();
URL url = null;
try {
url = new URL(codeBase, filename);
} catch (java.net.MalformedURLException e) {
System.out.println("Couldn't create image: badly specified URL");
return null;
}
return url;
}
/**
* Overridden to fill the location with the path from the {@link #propertyLocationSystemProperty}
*
* @param props propeties instance to fill
* @throws IOException
*/
@Override
protected void loadProperties(Properties props) throws IOException {
Resource location = null;
String webAppContextUrl = null;
try {
BasicService basicService = (BasicService) ServiceManager.lookup("javax.jnlp.BasicService");
String codeBase = basicService.getCodeBase().toExternalForm();
System.out.println("codeBase=[" + codeBase + "]");
if (!codeBase.endsWith("/")) {
codeBase += "/";
}
int webAppContextUrlLength = codeBase.lastIndexOf("applications");
webAppContextUrl = codeBase.substring(0, webAppContextUrlLength) + "config/";
System.out.println("webAppContextUrl=[" + webAppContextUrl + "]");
} catch (Exception e) {
// TODO logging
e.printStackTrace();
}
location = appContext.getResource("url:" + webAppContextUrl);
setLocation(location);
super.loadProperties(props);
}
public static void saveFile(String name, RiskGame obj) throws Exception {
// it is impossible for a applet to get here
if (webstart != null) {
ByteArrayOutputStream stor = new ByteArrayOutputStream();
obj.saveGame(stor);
InputStream stream = new ByteArrayInputStream(stor.toByteArray());
javax.jnlp.FileSaveService fss =
(javax.jnlp.FileSaveService)
javax.jnlp.ServiceManager.lookup("javax.jnlp.FileSaveService");
javax.jnlp.FileContents fc =
fss.saveFileDialog(
name.substring(0, name.indexOf('/') + 1),
new String[] {name.substring(name.indexOf('.') + 1)},
stream,
name.substring(name.indexOf('/') + 1, name.indexOf('.')));
} else {
FileOutputStream fileout = new FileOutputStream(name);
obj.saveGame(fileout);
}
}
public boolean test() {
ExtendedService es = null;
boolean ok = true;
String tmpfilename = getParameter("tmpfile");
try {
// Lookup the javax.jnlp.ExtendedService object
es = (ExtendedService) ServiceManager.lookup("javax.jnlp.ExtendedService");
} catch (UnavailableServiceException ue) {
System.out.println(ue);
ue.printStackTrace();
// Service is not supported
ok = false;
}
if (!ok) return false;
// Open a specific file in the local machine
File tmpfile = new File(tmpfilename);
// Java Web Start will pop up a dialog asking the user to grant permission
// to read/write the file 'tempfile'
try {
FileContents fc_tmpfile = es.openFile(tmpfile);
if (!tmpfilename.equals(fc_tmpfile.getName())) {
System.out.println(
"\t tmpfile(out): "
+ tmpfilename
+ ", unequal to fc-filename: "
+ fc_tmpfile.getName()
+ " - info");
// ok=false;
// return ok;
}
if (!fc_tmpfile.canWrite()) {
System.out.println(
"\t outfile: " + tmpfilename + ", no write access (may not exist yet) - info");
}
// You can now use the FileContents object to read/write the file
java.io.OutputStream sout = fc_tmpfile.getOutputStream(true);
BufferedWriter bwsout = new BufferedWriter(new OutputStreamWriter(sout));
bwsout.write(datum, 0, datum.length());
bwsout.flush();
bwsout.close();
} catch (Exception e) {
System.out.println(e);
e.printStackTrace();
System.out.println("\t Error while IO write - failed");
ok = false;
return ok;
}
// read back ..
try {
FileContents fc_tmpfile = es.openFile(tmpfile);
if (!tmpfilename.equals(fc_tmpfile.getName())) {
System.out.println(
"\t tmpfile(in): "
+ tmpfilename
+ ", unequal to fc-filename: "
+ fc_tmpfile.getName()
+ " - info");
// ok=false;
// return ok;
}
if (!fc_tmpfile.canRead()) {
System.out.println("\t outfile: " + tmpfilename + ", read access failed");
ok = false;
}
// You can now use the FileContents object to read/write the file
java.io.InputStream sin = fc_tmpfile.getInputStream();
BufferedReader brsin = new BufferedReader(new InputStreamReader(sin));
String in = brsin.readLine();
if (!in.equals(datum)) {
System.out.println("\t file content <" + in + "> does not match <" + datum + "> - failed");
ok = false;
}
brsin.close();
} catch (Exception e) {
System.out.println(e);
e.printStackTrace();
System.out.println("\t Error while IO read - failed");
ok = false;
return ok;
}
return ok;
}
private static <T> T lookup(Class<T> type) throws UnavailableServiceException {
return (T) ServiceManager.lookup(type.getName());
}
