public static class NotCacheableException extends Exception { }
// streams are "sealed" by default to prevent accidental object leakage
- public void put(Object key, Object val) { }
- private Cache getCache = new Cache(100);
+ private Cache getCache = new Cache(100, true);
protected JS _get(JS key) throws JSExn { return null; }
public final JS get(JS key) throws JSExn {
JS ret = (JS)getCache.get(key);
private String url;
//public String toString() { return "Stream.HTTP:" + url; }
public HTTP(String url) { while (url.endsWith("/")) url = url.substring(0, url.length() - 1); this.url = url; }
- public JS _get(JS key) throws JSExn { return new HTTP(url + "/" + JS.toString(key)); }
+ public JS _get(JS key) throws JSExn { return new HTTP(url + "/" + JSU.toString(key)); }
public String getCacheKey(Vec path) throws NotCacheableException { return url; }
public InputStream getInputStream() throws IOException { return new org.ibex.net.HTTP(url).GET(null, null); }
}
public String getCacheKey() throws NotCacheableException { throw new NotCacheableException(); /* already on disk */ }
public InputStream getInputStream() throws IOException { return new FileInputStream(path); }
public JS _get(JS key) throws JSExn {
- System.out.println("get: " + JS.debugToString(key));
- return new File(path + java.io.File.separatorChar + JS.toString(key)); }
+ System.out.println("get: " + JSU.str(key));
+ return new File(path + java.io.File.separatorChar + JSU.toString(key)); }
}
/** "unwrap" a Zip archive */
this.path = path;
}
public String getCacheKey() throws NotCacheableException { return parent.getCacheKey() + "!zip:"; }
- public JS _get(JS key) throws JSExn { return new Zip(parent, path==null?JS.toString(key):path+'/'+JS.toString(key)); }
+ public JS _get(JS key) throws JSExn { return new Zip(parent, path==null?JSU.toString(key):path+'/'+JSU.toString(key)); }
public InputStream getInputStream() throws IOException {
InputStream pis = parent.getInputStream();
ZipInputStream zis = new ZipInputStream(pis);
/** shadow resource which replaces the graft */
public static class ProgressWatcher extends Stream {
+ private final JS[] callargs = new JS[2];
final Stream watchee;
JS callback;
public ProgressWatcher(Stream watchee, JS callback) { this.watchee = watchee; this.callback = callback; }
public int read(byte[] b, int off, int len) throws IOException {
int ret = super.read(b, off, len);
if (ret != 1) bytesDownloaded += ret;
- Scheduler.add(new Task() { public void perform() throws IOException, JSExn {
- callback.call(N(bytesDownloaded),
- N(is instanceof KnownLength ? ((KnownLength)is).getLength() : 0), null, null, 2);
+ Scheduler.add(new Callable() {
+ public Object run(Object o) throws IOException, JSExn {
+ try {
+ int len = is instanceof KnownLength.KnownLengthInputStream ?
+ ((KnownLength.KnownLengthInputStream)is).getLength() : 0;
+ callargs[0] = JSU.N(bytesDownloaded);
+ callargs[1] = JSU.N(len);
+ callback.call(null, callargs);
+ } finally { callargs[0] = callargs[1] = null; }
+ return null;
} });
return ret;
}