/**
* This formats a double which would be displayed as scientific values
*
* @param value
* @param dp the decimal places
* @return
*/
protected String formatScientificNumber(double value, int dp) {
// first get the scientific notation format
String sn = Double.toString(value);
// now split into two parts
String[] sa = Util.split(sn, "E");
String part1 = "" + round(Double.parseDouble(sa[0]), dp);
String part2 = "";
if (sa.length == 2) {
part2 = "E" + sa[1];
}
return part1 + part2;
}
public void actionPerformed(ActionEvent evt) {
if (adapter != null) {
try {
byte[] d;
InputStream is;
if (storageFile != null) {
d = new byte[Storage.getInstance().entrySize(storageFile + IMAGE_SUFFIX)];
is = Storage.getInstance().createInputStream(storageFile + IMAGE_SUFFIX);
} else {
d =
new byte
[(int)
FileSystemStorage.getInstance().getLength(fileSystemFile + IMAGE_SUFFIX)];
is = FileSystemStorage.getInstance().openInputStream(fileSystemFile + IMAGE_SUFFIX);
}
Util.readFully(is, d);
EncodedImage img = EncodedImage.create(d);
EncodedImage adapted;
if (adapter.isAsyncAdapter()) {
adapt = img;
Display.getInstance().invokeAndBlock(this);
adapted = adaptedIns;
adaptedIns = null;
adapt = null;
} else {
adapted = adapter.adaptImage(img, placeholder);
}
if (storageFile != null) {
OutputStream o = Storage.getInstance().createOutputStream(storageFile);
o.write(adapted.getImageData());
o.close();
Storage.getInstance().deleteStorageFile(storageFile + IMAGE_SUFFIX);
} else {
OutputStream o = FileSystemStorage.getInstance().openOutputStream(fileSystemFile);
o.write(adapted.getImageData());
o.close();
FileSystemStorage.getInstance().delete(fileSystemFile + IMAGE_SUFFIX);
}
} catch (IOException ex) {
ex.printStackTrace();
return;
}
}
fetching = false;
// invoke fetch again to load the local files
fetch();
}
public static void register(
String callback,
ServiceProvider provider,
final String consumerKey,
final String consumerSecret) {
if (credentials == null) {
credentials = new Hashtable();
// Initialize serialization
Util.register(AccessToken.OBJECT_ID, AccessToken.class);
// Initialize the HTMLComponent browser with defaults
NetworkManager.getInstance().addDefaultHeader("Accept-Language", "en-us");
DocumentInfo.setDefaultEncoding("UTF-8");
}
Hashtable credential = new Hashtable();
credential.put("key", consumerKey);
credential.put("secret", consumerSecret);
credential.put("provider", provider);
credentials.put(callback.replace('/', '_'), credential);
}
/**
* Images are normally fetched from storage or network only as needed, however if the download
* must start before the image is drawn this method can be invoked.
*/
public void fetch() {
if (fetching || imageData != null) {
return;
}
fetching = true;
try {
locked = super.isLocked();
if (storageFile != null) {
if (Storage.getInstance().exists(storageFile)) {
unlock();
imageData = new byte[Storage.getInstance().entrySize(storageFile)];
InputStream is = Storage.getInstance().createInputStream(storageFile);
Util.readFully(is, imageData);
resetCache();
fetching = false;
repaintImage = true;
return;
}
if (adapter != null) {
Util.downloadUrlToStorageInBackground(
url, storageFile + IMAGE_SUFFIX, new DownloadCompleted());
} else {
Util.downloadUrlToStorageInBackground(url, storageFile, new DownloadCompleted());
}
} else {
if (FileSystemStorage.getInstance().exists(fileSystemFile)) {
unlock();
imageData = new byte[(int) FileSystemStorage.getInstance().getLength(fileSystemFile)];
InputStream is = FileSystemStorage.getInstance().openInputStream(fileSystemFile);
Util.readFully(is, imageData);
resetCache();
fetching = false;
repaintImage = true;
return;
}
if (adapter != null) {
Util.downloadUrlToFileSystemInBackground(
url, fileSystemFile + IMAGE_SUFFIX, new DownloadCompleted());
} else {
Util.downloadUrlToFileSystemInBackground(
url, fileSystemFile + IMAGE_SUFFIX, new DownloadCompleted());
}
}
} catch (IOException ioErr) {
throw new RuntimeException(ioErr.toString());
}
}