@Override
public void handle(HttpRequest request, HttpResponse response, HttpContext context)
throws HttpException, IOException {
AbstractHttpEntity entity;
String uri = request.getRequestLine().getUri();
int i = uri.indexOf(LIBRARY_URL);
String sha1 = uri.substring(i + LIBRARY_URL.length());
if (sha1.indexOf("?") != -1) {
sha1 = sha1.substring(0, sha1.indexOf("?"));
}
System.out.println("sha1:" + sha1);
URN urn = new URNImpl(com.limegroup.gnutella.URN.createSHA1Urn(sha1));
if (libraryManager.getLibraryManagedList().contains(urn)) {
FileDesc fileDesc = libraryManager.getLibraryManagedList().getFileDescsByURN(urn).get(0);
entity = new NFileEntity(fileDesc.getFile(), "application/binary");
entity.setContentType("application/binary");
response.setHeader(
"Content-disposition", "attachment; filename=\"" + fileDesc.getFileName() + "\";");
} else {
entity = new NStringEntity("File not found: " + sha1);
entity.setContentType("text/plain");
}
response.setEntity(entity);
}
protected void addEntity(HttpEntity entity, HttpRequestBase uriRequest) throws IOException {
if (entity != null) {
AbstractHttpEntity httpEntity = null;
if (entity instanceof MultipartEntity) {
ByteArrayOutputStream os = new ByteArrayOutputStream();
entity.writeTo(os);
os.flush();
httpEntity = new org.apache.http.entity.ByteArrayEntity(os.toByteArray());
os.close();
} else {
httpEntity = new InputStreamEntity(entity.getContent(), entity.getContentLength());
}
httpEntity.setContentType(entity.getContentType().toString());
((HttpEntityEnclosingRequestBase) uriRequest).setEntity(httpEntity);
}
}
/**
* Serializes this object to an existing {@link HttpRequestBase} which can be sent as an HTTP
* request. Specifically, sends the object's link, user-defined metadata and vclock as HTTP
* headers and the value as the body. Used by {@link RiakClient} to create PUT requests.
*
* <p>if the this RiakObject's value is a stream, and no length is set, the stream is first
* buffered into a byte array before being written
*/
public void writeToHttpMethod(HttpRequestBase httpMethod) {
// Serialize headers
String basePath = getBasePathFromHttpMethod(httpMethod);
writeLinks(httpMethod, basePath);
for (String name : userMetaData.keySet()) {
httpMethod.addHeader(Constants.HDR_USERMETA_REQ_PREFIX + name, userMetaData.get(name));
}
writeIndexes(httpMethod);
if (vclock != null) {
httpMethod.addHeader(Constants.HDR_VCLOCK, vclock);
}
// Serialize body
if (httpMethod instanceof HttpEntityEnclosingRequestBase) {
HttpEntityEnclosingRequestBase entityEnclosingMethod =
(HttpEntityEnclosingRequestBase) httpMethod;
AbstractHttpEntity entity = null;
// Any value set using setValueAsStream() has precedent over value
// set using setValue()
if (valueStream != null) {
if (valueStreamLength != null && valueStreamLength >= 0) {
entity = new InputStreamEntity(valueStream, valueStreamLength);
} else {
// since apache http client 4.1 no longer supports buffering stream entities, but we can't
// change API
// behaviour, here we have to buffer the whole content
entity = new ByteArrayEntity(ClientUtils.bufferStream(valueStream));
}
} else if (value != null) {
entity = new ByteArrayEntity(value);
} else {
entity = new ByteArrayEntity(EMPTY);
}
entity.setContentType(contentType);
entityEnclosingMethod.setEntity(entity);
}
}
private void handleURLEncodedData(UrlEncodedFormEntity form) {
AbstractHttpEntity entity = null;
if (data != null) {
try {
entity = new StringEntity(data, "UTF-8");
} catch (Exception ex) {
// FIXME
Log.e(LCAT, "Exception, implement recovery: ", ex);
}
} else {
entity = form;
}
Header header = request.getFirstHeader("Content-Type");
if (header == null) {
entity.setContentType("application/x-www-form-urlencoded");
} else {
entity.setContentType(header.getValue());
}
HttpEntityEnclosingRequest e = (HttpEntityEnclosingRequest) request;
e.setEntity(entity);
}
@SuppressWarnings("unused")
private void postRemoteRes(String url, final String data) {
try {
// 设置HttpClient超时参数
HttpParams httpParameters = new BasicHttpParams();
HttpConnectionParams.setConnectionTimeout(httpParameters, CONNECTION_TIMEOUT);
HttpConnectionParams.setSoTimeout(httpParameters, SOCKET_TIMEOUT);
DefaultHttpClient httpClient = new DefaultHttpClient(httpParameters); // 创建http
// client
HttpPost httpPost = new HttpPost(url); // 创建http post
AbstractHttpEntity entity = null;
ContentProducer cp =
new ContentProducer() {
@Override
public void writeTo(OutputStream outstream) throws IOException {
// outstream.write(data.getBytes(HTTP.UTF_8));
// outstream.flush();
// outstream.close();
Writer writer = new OutputStreamWriter(outstream, "UTF-8");
writer.write(data);
writer.flush();
writer.close();
}
};
entity = new EntityTemplate(cp);
entity = new StringEntity(data, "utf-8");
entity =
new InputStreamEntity(
new ByteArrayInputStream(data.getBytes(HTTP.UTF_8)),
data.getBytes(HTTP.UTF_8).length);
entity.setContentType("application/x-www-form-urlencoded");
entity.setContentEncoding("utf-8");
httpPost.setEntity(entity);
// HttpResponse httpResponse = httpClient.execute(httpPost);//
// 执行http 请求
URL urls = new URL(url);
HttpURLConnection conn = (HttpURLConnection) urls.openConnection();
conn.setConnectTimeout(CONNECTION_TIMEOUT);
conn.setRequestMethod("POST");
conn.setRequestProperty("Content-Type", "application/x-www-form-urlencoded");
conn.setDoOutput(true);
conn.setDoInput(true);
conn.connect();
OutputStream out = conn.getOutputStream();
// 默认参数方式传递
out.write(data.getBytes(HTTP.UTF_8));
out.flush();
out.close();
InputStream is = conn.getInputStream();
if (is != null) {
// if (httpResponse != null
// && httpResponse.getStatusLine().getStatusCode() ==
// HttpStatus.SC_OK) {
// InputStream is = httpResponse.getEntity().getContent();
byte[] buffer = new byte[512];
ByteArrayOutputStream baos = new ByteArrayOutputStream();
int readLength = 0;
int offset = 0;
mDataLen = 0;
mDataRes = null;
do {
readLength = is.read(buffer);
if (readLength > 0) {
baos.write(buffer, 0, readLength);
offset += readLength;
mDataLen = offset;
}
} while (!mIsStopDl && readLength > 0);
mDataRes = baos.toByteArray();
baos.close();
is.close();
}
// 下载完成
Log.i(
TAG,
"downloadRemoteRes download completed. data length="
+ (mDataRes == null ? "null" : mDataRes.length)
+ " record length="
+ mDataLen
+ " url="
+ url);
if (!mIsStopDl && (mDataRes == null || mDataRes.length == 0)) {
Log.e(TAG, "data = null");
if (mDlListener != null) mDlListener.onDlError(mTaskTag, DownloadManager.ERROR_RESULT_NULL);
return;
}
if (!mIsStopDl && mDlListener != null) {
Log.d(TAG, "downloadRemoteRes ---- callback in.");
mDlListener.onDlCompleted(mTaskTag, mDataRes, mDataLen);
Log.d(TAG, "downloadRemoteRes ---- callback out.");
}
} catch (ConnectTimeoutException e) {
Log.e(TAG, "downloadRemoteRes exception url=" + url + " msg=" + e.getMessage());
if (!mIsStopDl && mDlListener != null) {
mDlListener.onDlError(mTaskTag, DownloadManager.ERROR_TIME_OUT);
}
} catch (SocketTimeoutException e) {
Log.e(TAG, "downloadRemoteRes exception url=" + url + " msg=" + e.getMessage());
if (!mIsStopDl && mDlListener != null) {
mDlListener.onDlError(mTaskTag, DownloadManager.ERROR_TIME_OUT);
}
} catch (Exception e) {
Log.e(TAG, "downloadRemoteRes exception url=" + url + " msg=" + e.getMessage());
if (!mIsStopDl && mDlListener != null) {
mDlListener.onDlError(mTaskTag, DownloadManager.ERROR_OTHER);
}
}
}