// SMSLib for Java v3
// A Java API library for sending and receiving SMS via a GSM modem
// or other supported gateways.
// Web Site: http://www.smslib.org
//
// Copyright (C) 2002-2008, Thanasis Delenikas, Athens/GREECE.
// SMSLib is distributed under the terms of the Apache License version 2.0
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package org.smslib.v3.http;
import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStreamReader;
import java.io.OutputStreamWriter;
import java.io.UnsupportedEncodingException;
import java.net.URL;
import java.net.URLConnection;
import java.security.MessageDigest;
import java.security.NoSuchAlgorithmException;
import java.util.ArrayList;
import java.util.List;
import org.smslib.v3.AGateway;
class HTTPGateway extends AGateway
{
public HTTPGateway(String id)
{
super(id);
}
@SuppressWarnings("unchecked")
List HttpPost(URL url, List requestList) throws IOException
{
List responseList = new ArrayList();
URLConnection con;
BufferedReader in;
OutputStreamWriter out;
StringBuffer req;
String line;
logInfo("HTTP POST: " + url);
con = url.openConnection();
con.setDoInput(true);
con.setDoOutput(true);
con.setUseCaches(false);
con.setRequestProperty("Content-Type", "application/x-www-form-urlencoded");
out = new OutputStreamWriter(con.getOutputStream());
req = new StringBuffer();
for (int i = 0, n = requestList.size(); i < n; i++)
{
if (i != 0) req.append("&");
req.append(((HttpHeader) requestList.get(i)).key);
req.append("=");
if (((HttpHeader) requestList.get(i)).unicode)
{
StringBuffer tmp = new StringBuffer(200);
byte[] uniBytes = ((HttpHeader) requestList.get(i)).value.getBytes("UnicodeBigUnmarked");
for (int j = 0; j < uniBytes.length; j++)
tmp.append(Integer.toHexString(uniBytes[j]).length() == 1 ? "0" + Integer.toHexString(uniBytes[j]) : Integer.toHexString(uniBytes[j]));
req.append(tmp.toString().replaceAll("ff", ""));
}
else req.append(((HttpHeader) requestList.get(i)).value);
}
out.write(req.toString());
out.flush();
out.close();
in = new BufferedReader(new InputStreamReader((con.getInputStream())));
while ((line = in.readLine()) != null)
responseList.add(line);
in.close();
return responseList;
}
@SuppressWarnings("unchecked")
List HttpGet(URL url) throws IOException
{
List responseList = new ArrayList();
logInfo("HTTP GET: " + url);
URLConnection con = url.openConnection();
con.setAllowUserInteraction(false);
BufferedReader in = new BufferedReader(new InputStreamReader(con.getInputStream()));
String inputLine;
while ((inputLine = in.readLine()) != null)
responseList.add(inputLine);
in.close();
return responseList;
}
class HttpHeader
{
public String key;
public String value;
public boolean unicode;
public HttpHeader()
{
key = "";
value = "";
unicode = false;
}
public HttpHeader(String key, String value, boolean unicode)
{
this.key = key;
this.value = value;
this.unicode = unicode;
}
}
String calculateMD5(String in)
{
try
{
MessageDigest md = MessageDigest.getInstance("MD5");
byte[] pre_md5 = md.digest(in.getBytes("LATIN1"));
String md5 = "";
for (int i = 0; i < 16; i++)
{
if (pre_md5[i] < 0)
{
md5 += Integer.toHexString(256 + pre_md5[i]);
}
else if (pre_md5[i] > 15)
{
md5 += Integer.toHexString(pre_md5[i]);
}
else
{
md5 += "0" + Integer.toHexString(pre_md5[i]);
}
}
return md5;
}
catch (UnsupportedEncodingException ex)
{
logError("Unsupported encoding.", ex);
return "";
}
catch (NoSuchAlgorithmException ex)
{
logError("No such algorithm.", ex);
return "";
}
}
}