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Anclient java version. A basic lib only depends on semantic.jserv
package io.odysz.jclient;
import java.io.BufferedReader;
import java.io.File;
import java.io.FileInputStream;
import java.io.FileOutputStream;
import java.io.IOException;
import java.io.InputStream;
import java.io.InputStreamReader;
import java.net.HttpURLConnection;
import java.net.URL;
import java.sql.SQLException;
import org.apache.commons.io.IOUtils;
import org.apache.commons.io_odysz.FilenameUtils;
import io.odysz.anson.Anson;
import io.odysz.anson.x.AnsonException;
import io.odysz.common.Utils;
import io.odysz.semantic.jprotocol.AnsonBody;
import io.odysz.semantic.jprotocol.AnsonMsg;
import io.odysz.semantic.jprotocol.AnsonMsg.MsgCode;
import io.odysz.semantic.jprotocol.AnsonResp;
import io.odysz.semantic.jprotocol.JProtocol.OnOk;
import io.odysz.semantic.tier.docs.DocsReq;
import io.odysz.semantics.x.SemanticException;
/**
* Js equivalent: Ajax.
*
* @author Alice
*
*/
public class HttpServClient {
protected static final String USER_AGENT = "Anclient.java/0.4.32";
/**
* Post in synchronized style. Call this within a worker thread.
* See {@link AnsonClientTest} for a query example.
* IMPORTANT onResponse is called synchronized.
*
* @deprecated Replaced by {@link #post(String, AnsonMsg)}.
* As this is a synchronized function, why use asynchronize style of function signature?
* @param url
* @param jreq
* @param onResponse
* @throws IOException
* @throws SemanticException
* @throws SQLException
*/
public void post(String url, AnsonMsg jreq,
// SCallbackV11 onResponse)
OnOk onResponse)
throws IOException, SemanticException, SQLException, AnsonException {
URL obj = new URL(url);
HttpURLConnection con = (HttpURLConnection) obj.openConnection();
//add reuqest header
con.setRequestMethod("POST");
con.setRequestProperty("User-Agent", USER_AGENT);
con.setRequestProperty("Accept-Language", "en-US,en;q=0.5");
con.setRequestProperty("Content-Type", "text/plain");
con.setRequestProperty("charset", "utf-8");
// Send post request
con.setDoOutput(true);
// JHelper.writeAnsonReq(con.getOutputStream(), jreq);
jreq.toBlock(con.getOutputStream());
if (Clients.verbose) Utils.logi("[Clients.verbose] %s", url);
int responseCode = con.getResponseCode();
if (responseCode == 206) {
// since 0.4.28
Utils.warn("\nFatal Warning\n\nAnclient.java/Clients is not supposed to support ranged resourse query. Resoponse code of 206 is forced to change to 200 at client side.\n\n");
responseCode = 200;
}
if (responseCode == 200) {
if (con.getContentLengthLong() == 0)
throw new SemanticException("Error: server return null at %s ", url);
@SuppressWarnings("unchecked")
AnsonMsg x = (AnsonMsg) Anson.fromJson(con.getInputStream());
if (Clients.verbose) {
Utils.printCaller(false);
Utils.logi("[Clients.verbose]\n%s", x.toString());
}
// onResponse.onCallback(x.code(), x.body(0));
onResponse.ok(x.body(0));
}
else {
Utils.warn("HTTP ERROR: code: %s", responseCode);
throw new IOException("HTTP ERROR: code: " + responseCode + "\n" + url);
}
}
/**
* Post in synchronized style. Call this within a worker thread.
* See {@link AnsonClientTest} for a query example.
* @param url
* @param jreq
* @return response if succeed
* @throws IOException connection error
* @throws SemanticException jserv replied with error message
* @throws AnsonException
*/
public AnsonMsg post(String url, AnsonMsg jreq)
throws IOException, SemanticException, AnsonException {
URL obj = new URL(url);
HttpURLConnection con = (HttpURLConnection) obj.openConnection();
//add reuqest header
con.setRequestMethod("POST");
con.setRequestProperty("User-Agent", USER_AGENT);
con.setRequestProperty("Accept-Language", "en-US,en;q=0.5");
con.setRequestProperty("Content-Type", "text/plain");
con.setRequestProperty("charset", "utf-8");
// Send post request
con.setDoOutput(true);
jreq.toBlock(con.getOutputStream());
if (Clients.verbose) Utils.logi("[Clients.verbose] %s", url);
int responseCode = con.getResponseCode();
if (responseCode == 206) {
// since 0.4.28
Utils.warn("\nFatal Warning\n\nAnclient.java/Clients is not supposed to support ranged resourse query. Resoponse code of 206 is forced to change to 200 at client side.\n\n");
responseCode = 200;
}
if (responseCode == 200) {
if (con.getContentLengthLong() == 0)
throw new SemanticException("Error: server return null at %s ", url);
@SuppressWarnings("unchecked")
AnsonMsg x = (AnsonMsg) Anson.fromJson(con.getInputStream());
if (Clients.verbose) {
Utils.printCaller(false);
Utils.logi("[Clients.verbose]\n%s", x);
}
if (x.code() != MsgCode.ok)
throw new SemanticException("Code: %s, mesage:\n%s", x.code().name(), x.body(0).msg());
return x;
}
else {
InputStream i = con.getInputStream();
String res = String.format("%d\n%s\n", responseCode, url);
InputStreamReader in = new InputStreamReader(i);
BufferedReader br = new BufferedReader(in);
String output;
while ((output = br.readLine()) != null) {
res += (output);
}
Utils.warn(res);
throw new IOException(res);
}
}
/**
* @param url
* @param jreq
* @param localpath
* @return localpath
* @throws IOException
* @throws AnsonException
* @throws SemanticException
*/
@SuppressWarnings("unchecked")
public String streamdown(String url, AnsonMsg jreq, String localpath)
throws IOException, AnsonException, SemanticException {
URL obj = new URL(url);
HttpURLConnection con = (HttpURLConnection) obj.openConnection();
//add reuqest header
con.setRequestMethod("POST");
con.setRequestProperty("User-Agent", USER_AGENT);
con.setRequestProperty("Accept-Language", "en-US,en;q=0.5");
con.setRequestProperty("Content-Type", "text/plain");
con.setRequestProperty("charset", "utf-8");
// Send post request
con.setDoOutput(true);
// JHelper.writeAnsonReq(con.getOutputStream(), jreq);
jreq.toBlock(con.getOutputStream());
if (Clients.verbose) Utils.logi(url);
InputStream ins = con.getInputStream();
String folder = FilenameUtils.getFullPath(localpath);
new File(folder).mkdirs();
File yourFile = new File(localpath);
yourFile.createNewFile(); // if file already exists will do nothing
FileOutputStream ofs = new FileOutputStream(localpath);
IOUtils.copy(ins, ofs);
ofs.close();
AnsonMsg s = null;
String type = null;
try {
// FileInputStream ifs = new FileInputStream(localpath);
// type = detector.detect(ifs);
// ifs.close();
if (localpath.endsWith(".json"))
type = "json";
}
catch (Exception e) {
return localpath;
}
if (type != null && type.startsWith("json")) {
FileInputStream ifs = new FileInputStream(localpath);
try {
s = (AnsonMsg) Anson.fromJson(ifs);
}
catch (Exception e) {
return localpath;
}
finally { ifs.close(); }
throw new SemanticException("Code: %s\nmsg: %s", s.code(), s.body(0).msg());
}
return localpath;
}
/* Introduction stream field in Anson?
public AnsonMsg streamup(String url, AnsonMsg req, String localpath) throws IOException, AnsonException, SemanticException {
URL obj = new URL(url);
HttpURLConnection con = (HttpURLConnection) obj.openConnection();
//add reuqest header
con.setRequestMethod("POST");
con.setRequestProperty("User-Agent", USER_AGENT);
con.setRequestProperty("Accept-Language", "en-US,en;q=0.5");
con.setRequestProperty("Content-Type", "text/plain");
con.setRequestProperty("charset", "utf-8");
// Send post request
con.setDoOutput(true);
// JHelper.writeAnsonReq(con.getOutputStream(), jreq);
OutputStream ups = con.getOutputStream();
if (Clients.verbose) Utils.logi(url);
req.toBlockStream(ups);
int repcode = con.getResponseCode();
if (repcode == 200) {
if (con.getContentLengthLong() == 0)
throw new SemanticException("Error: server return null at %s ", url);
@SuppressWarnings("unchecked")
AnsonMsg x = (AnsonMsg) Anson.fromJson(con.getInputStream());
if (Clients.verbose) {
Utils.printCaller(false);
Utils.logi(x.toString());
}
if (x.code() != MsgCode.ok)
throw new SemanticException("Code: %s, mesage:\n%s", x.code().name(), x.body().toString());
return x;
}
else {
Utils.warn("HTTP ERROR: code: %s", repcode);
throw new IOException("HTTP ERROR: code: " + repcode + "\n" + url);
}
}
*/
}