喘JAVA糞?産喝謹?殻涙怦毘響函垓殻猟周 - 園殻秘壇利
作者 佚名技术
来源 NET编程
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发布时间 2012-06-15
return r;
}
public int getData(byte[] b, int off, int len) throws
IOException {
int r, rema = len;
while (rema > 0) {
if ((r = in_stream.read(b, off, rema)) == -1) {
return -1;
}
rema -= r;
off += r;
cur_pos += r;
}
return len;
}
public void close() {
if (httpConnection != null) {
httpConnection.disconnect();
httpConnection = null;
}
if (in_stream != null) {
try {
in_stream.close();
} catch (IOException e) {}
in_stream = null;
}
url = null;
}
/**//*
* 砺竃呟械宥岑壅編
* ?哘鷹503辛嬬頁喇蝶嶽壙扮議圻咀哈軟議,箭泌揖匯IP撞訓議銭俊
萩箔辛嬬壟捲暦匂詳蒸
*/
public void seek(long start_pos) throws IOException {
if (start_pos == cur_pos && in_stream != null)
return;
if (httpConnection != null) {
httpConnection.disconnect();
httpConnection = null;
}
if (in_stream != null) {
in_stream.close();
in_stream = null;
}
httpConnection = (HttpURLConnection)
url.openConnection();
httpConnection.setConnectTimeout(connect_timeout);
httpConnection.setReadTimeout(read_timeout);
String sProperty = "bytes=" + start_pos + "-";
httpConnection.setRequestProperty("Range", sProperty);
//httpConnection.setRequestProperty("Connection",
"Keep-Alive");
int responseCode = httpConnection.getResponseCode();
if (responseCode < 200 || responseCode >= 300) {
try {
Thread.sleep(500);
} catch (InterruptedException e) {
e.printStackTrace();
}
throw new IOException("HTTP
responseCode="+responseCode);
}
in_stream = httpConnection.getInputStream();
cur_pos = start_pos;
}
}
喘JAVA糞?産喝謹?殻涙怦毘響函垓殻猟周(2)扮寂:2011-09-09 blogjava funinhand |
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