public long getSize() throws ResourceDownloaderException {
if (delegates.length == 0) {
ResourceDownloaderException error =
new ResourceDownloaderException(this, "Alternate download fails - 0 alteratives");
informFailed(error);
throw (error);
}
if (size != -2) {
return (size);
}
try {
for (int i = 0; i < max_to_try; i++) {
try {
ResourceDownloaderBaseImpl c = ((ResourceDownloaderBaseImpl) delegates[i]).getClone(this);
addReportListener(c);
size = c.getSize();
setProperties(c);
break;
} catch (ResourceDownloaderException e) {
if (i == delegates.length - 1) {
throw (e);
}
}
}
} finally {
if (size == -2) {
size = -1;
}
setSize(size);
}
return (size);
}
protected String getLogIndent() {
String indent = "";
ResourceDownloaderBaseImpl pos = parent;
while (pos != null) {
indent += " ";
pos = pos.getParent();
}
return (indent);
}
protected void setParent(ResourceDownloader _parent) {
ResourceDownloaderBaseImpl old_parent = parent;
parent = (ResourceDownloaderBaseImpl) _parent;
if (old_parent != null) {
old_parent.removeChild(this);
}
if (parent != null) {
parent.addChild(this);
}
}
protected ResourceDownloaderBaseImpl(ResourceDownloaderBaseImpl _parent) {
parent = _parent;
if (parent != null) {
parent.addChild(this);
}
}