/**
* Loads the drawing. By convention this method is invoked on a worker thread.
*
* @param progress A ProgressIndicator to inform the user about the progress of the operation.
* @return The Drawing that was loaded.
*/
protected Drawing loadDrawing(ProgressIndicator progress) throws IOException {
Drawing drawing = createDrawing();
if (getParameter("datafile") != null) {
URL url = new URL(getDocumentBase(), getParameter("datafile"));
URLConnection uc = url.openConnection();
// Disable caching. This ensures that we always request the
// newest version of the drawing from the server.
// (Note: The server still needs to set the proper HTTP caching
// properties to prevent proxies from caching the drawing).
if (uc instanceof HttpURLConnection) {
((HttpURLConnection) uc).setUseCaches(false);
}
// Read the data into a buffer
int contentLength = uc.getContentLength();
InputStream in = uc.getInputStream();
try {
if (contentLength != -1) {
in = new BoundedRangeInputStream(in);
((BoundedRangeInputStream) in).setMaximum(contentLength + 1);
progress.setProgressModel((BoundedRangeModel) in);
progress.setIndeterminate(false);
}
BufferedInputStream bin = new BufferedInputStream(in);
bin.mark(512);
// Read the data using all supported input formats
// until we succeed
IOException formatException = null;
for (InputFormat format : drawing.getInputFormats()) {
try {
bin.reset();
} catch (IOException e) {
uc = url.openConnection();
in = uc.getInputStream();
in = new BoundedRangeInputStream(in);
((BoundedRangeInputStream) in).setMaximum(contentLength + 1);
progress.setProgressModel((BoundedRangeModel) in);
bin = new BufferedInputStream(in);
bin.mark(512);
}
try {
bin.reset();
format.read(bin, drawing, true);
formatException = null;
break;
} catch (IOException e) {
formatException = e;
}
}
if (formatException != null) {
throw formatException;
}
} finally {
in.close();
}
}
return drawing;
}
/**
* 发起查询处理结果请求
*
* @param params 请求参数
* @return 请求结果
* @throws IOException
*/
public Result getResult(Map<String, Object> params) throws IOException {
InputStream is = null;
HttpURLConnection conn;
StringBuilder sb = new StringBuilder(HOST + "result");
sb.append("?");
for (Map.Entry<String, Object> mapping : params.entrySet()) {
sb.append(mapping.getKey() + "=" + mapping.getValue().toString() + "&");
}
URL url = new URL(sb.toString().substring(0, sb.length() - 1));
conn = (HttpURLConnection) url.openConnection();
// 设置必要参数
conn.setConnectTimeout(timeout);
conn.setRequestMethod("GET");
conn.setUseCaches(false);
conn.setDoOutput(true);
conn.setRequestProperty("Connection", "Keep-Alive");
conn.setRequestProperty("User-Agent", UpYunUtils.VERSION);
// 设置时间
conn.setRequestProperty(DATE, getGMTDate());
// 设置签名
conn.setRequestProperty(AUTHORIZATION, sign(params));
// 创建链接
conn.connect();
// 获取返回的信息
Result result = getResp(conn);
if (is != null) {
is.close();
}
if (conn != null) {
conn.disconnect();
}
return result;
}
/**
* When you call this, you post the data, after which it is gone. The post is synchronous. The
* function returns after posting and receiving a reply. Get a new data stream with
* startDataStream() to make a new post. (You could hold on to the writer, but using it will have
* no effect after calling this method.)
*
* @return HTTP response code, 200 means successful.
*/
public int postToCDB() throws IOException, ProtocolException, UnsupportedEncodingException {
cdbId = -1;
if (dataWriter == null) {
throw new IllegalStateException("call startDataStream() and write something first");
}
HttpURLConnection connection = (HttpURLConnection) postURL.openConnection();
connection.setRequestMethod("POST");
connection.setRequestProperty("Content-Type", "application/x-www-form-urlencoded");
dataWriter.flush();
String data = JASPER_DATA_PARAM + "=" + URLEncoder.encode(dataWriter.toString(), "UTF-8");
dataWriter = null;
connection.setRequestProperty("Content-Length", "" + Integer.toString(data.getBytes().length));
connection.setUseCaches(false);
connection.setDoInput(true);
connection.setDoOutput(true);
DataOutputStream out = new DataOutputStream(connection.getOutputStream());
out.writeBytes(data);
out.flush();
out.close();
int responseCode = connection.getResponseCode();
wasSuccessful = (200 == responseCode);
InputStream response;
if (wasSuccessful) {
response = connection.getInputStream();
} else {
response = connection.getErrorStream();
}
if (response != null) processResponse(response);
connection.disconnect();
return responseCode;
}
public static String httpPost(String urlAddress, String[] params) {
URL url = null;
HttpURLConnection conn = null;
BufferedReader in = null;
StringBuffer sb = new StringBuffer();
try {
url = new URL(urlAddress);
conn = (HttpURLConnection) url.openConnection(); // 建立连接
// 设置通用的请求属性
/*
* conn.setRequestProperty("user-agent",
* "Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.1;SV1)");
*/
conn.setRequestProperty("User-Agent", "Mozilla/5.0 ( compatible ) ");
conn.setRequestProperty("Accept", "*/*");
conn.setRequestProperty("Content-Type", "application/x-www-form-urlencoded");
conn.setUseCaches(false);
conn.setDoInput(true);
// conn.setConnectTimeout(5 * 1000);
conn.setDoOutput(true);
conn.setRequestMethod("POST");
String paramsTemp = "";
for (String param : params) {
if (param != null && !"".equals(param)) {
if (params.length > 1) {
paramsTemp += "&" + param;
} else if (params.length == 1) {
paramsTemp = params[0];
}
}
}
byte[] b = paramsTemp.getBytes();
System.out.println("btye length:" + b.length);
// conn.setRequestProperty("Content-Length",
// String.valueOf(b.length));
conn.getOutputStream().write(b, 0, b.length);
conn.getOutputStream().flush();
conn.getOutputStream().close();
int count = conn.getResponseCode();
if (200 == count) {
in = new BufferedReader(new InputStreamReader(conn.getInputStream())); // 发送请求
} else {
System.out.println("错误类型：" + count);
return "server no start-up";
}
while (true) {
String line = in.readLine();
if (line == null) {
break;
} else {
sb.append(line);
}
}
} catch (MalformedURLException e) {
// TODO Auto-generated catch block
e.printStackTrace();
} catch (ProtocolException e) {
// TODO Auto-generated catch block
e.printStackTrace();
} catch (IOException e) {
System.out.println("error ioexception:" + e.getMessage());
e.printStackTrace();
return "server no start-up";
} finally {
try {
if (in != null) {
in.close();
}
if (conn != null) {
conn.disconnect();
}
} catch (IOException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
}
return sb.toString();
}
@Override
public HashSet<ScoredAnnotation> solveSa2W(String text) throws AnnotationException {
HashSet<ScoredAnnotation> res;
try {
res = new HashSet<ScoredAnnotation>();
lastTime = Calendar.getInstance().getTimeInMillis();
URL wikiApi = new URL(url);
String parameters =
"references=true&repeatMode=all&minProbability=0.0&source="
+ URLEncoder.encode(text, "UTF-8");
HttpURLConnection slConnection = (HttpURLConnection) wikiApi.openConnection();
slConnection.setRequestProperty("accept", "text/xml");
slConnection.setDoOutput(true);
slConnection.setDoInput(true);
slConnection.setRequestMethod("POST");
slConnection.setRequestProperty("Content-Type", "application/x-www-form-urlencoded");
slConnection.setRequestProperty("charset", "utf-8");
slConnection.setRequestProperty(
"Content-Length", "" + Integer.toString(parameters.getBytes().length));
slConnection.setUseCaches(false);
DataOutputStream wr = new DataOutputStream(slConnection.getOutputStream());
wr.writeBytes(parameters);
wr.flush();
wr.close();
DocumentBuilderFactory factory = DocumentBuilderFactory.newInstance();
DocumentBuilder builder = factory.newDocumentBuilder();
Document doc = builder.parse(slConnection.getInputStream());
/* URL wikiApi = new URL(url+"?references=true&repeatMode=all&minProbability=0.0&source="+URLEncoder.encode(text, "UTF-8"));
URLConnection wikiConnection = wikiApi.openConnection();
DocumentBuilderFactory factory = DocumentBuilderFactory.newInstance();
DocumentBuilder builder = factory.newDocumentBuilder();
Document doc = builder.parse(wikiConnection.getInputStream());
*/
lastTime = Calendar.getInstance().getTimeInMillis() - lastTime;
XPathFactory xPathfactory = XPathFactory.newInstance();
XPath xpath = xPathfactory.newXPath();
XPathExpression idExpr = xpath.compile("//detectedTopic/@id");
XPathExpression weightExpr = xpath.compile("//detectedTopic/@weight");
XPathExpression referenceExpr = xpath.compile("//detectedTopic/references");
NodeList ids = (NodeList) idExpr.evaluate(doc, XPathConstants.NODESET);
NodeList weights = (NodeList) weightExpr.evaluate(doc, XPathConstants.NODESET);
NodeList references = (NodeList) referenceExpr.evaluate(doc, XPathConstants.NODESET);
for (int i = 0; i < weights.getLength(); i++) {
if (weights.item(i).getNodeType() != Node.TEXT_NODE) {
int id = Integer.parseInt(ids.item(i).getNodeValue());
float weight = Float.parseFloat(weights.item(i).getNodeValue());
// System.out.println("ID="+ids.item(i).getNodeValue()+" weight="+weight);
XPathExpression startExpr =
xpath.compile("//detectedTopic[@id=" + id + "]/references/reference/@start");
XPathExpression endExpr =
xpath.compile("//detectedTopic[@id=" + id + "]/references/reference/@end");
NodeList starts =
(NodeList) startExpr.evaluate(references.item(i), XPathConstants.NODESET);
NodeList ends = (NodeList) endExpr.evaluate(references.item(i), XPathConstants.NODESET);
for (int j = 0; j < starts.getLength(); j++) {
int start = Integer.parseInt(starts.item(j).getNodeValue());
int end = Integer.parseInt(ends.item(j).getNodeValue());
int len = end - start;
res.add(new ScoredAnnotation(start, len, id, weight));
}
}
}
} catch (Exception e) {
e.printStackTrace();
throw new AnnotationException(
"An error occurred while querying Wikipedia Miner API. Message: " + e.getMessage());
}
return res;
}
