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// --- BEGIN COPYRIGHT BLOCK ---
// This program is free software; you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation; version 2 of the License.
//
// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
//
// You should have received a copy of the GNU General Public License along
// with this program; if not, write to the Free Software Foundation, Inc.,
// 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
//
// (C) 2007 Red Hat, Inc.
// All rights reserved.
// --- END COPYRIGHT BLOCK ---
package com.netscape.cmsutil.http;
import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStream;
import java.io.InputStreamReader;
import java.io.OutputStream;
import java.io.OutputStreamWriter;
import java.net.Socket;
import org.mozilla.jss.ssl.SSLCertificateApprovalCallback;
import com.netscape.cmsutil.net.ISocketFactory;
/**
* basic http client.
* not optimized for performance.
* handles only string content.
*/
public class HttpClient {
protected ISocketFactory mFactory = null;
protected Socket mSocket = null;
protected InputStream mInputStream = null;
protected OutputStream mOutputStream = null;
protected InputStreamReader mInputStreamReader = null;
protected OutputStreamWriter mOutputStreamWriter = null;
protected BufferedReader mBufferedReader = null;
protected SSLCertificateApprovalCallback mCertApprovalCallback = null;
protected boolean mConnected = false;
public HttpClient() {
}
public HttpClient(ISocketFactory factory) {
mFactory = factory;
}
public HttpClient(ISocketFactory factory, SSLCertificateApprovalCallback certApprovalCallback) {
mFactory = factory;
mCertApprovalCallback = certApprovalCallback;
}
public void connect(String host, int port)
throws IOException {
if (mFactory != null) {
if (mCertApprovalCallback == null) {
mSocket = mFactory.makeSocket(host, port);
} else {
mSocket = mFactory.makeSocket(host, port, mCertApprovalCallback, null);
}
} else {
mSocket = new Socket(host, port);
}
if (mSocket == null) {
IOException e = new IOException("Couldn't make connection");
throw e;
}
mInputStream = mSocket.getInputStream();
mOutputStream = mSocket.getOutputStream();
mInputStreamReader = new InputStreamReader(mInputStream, "UTF8");
mBufferedReader = new BufferedReader(mInputStreamReader);
mOutputStreamWriter = new OutputStreamWriter(mOutputStream, "UTF8");
mConnected = true;
}
// Inserted by beomsuk
public void connect(String host, int port, int timeout)
throws IOException {
if (mFactory != null) {
mSocket = mFactory.makeSocket(host, port, timeout);
} else {
mSocket = new Socket(host, port);
}
if (mSocket == null) {
IOException e = new IOException("Couldn't make connection");
throw e;
}
mInputStream = mSocket.getInputStream();
mOutputStream = mSocket.getOutputStream();
mInputStreamReader = new InputStreamReader(mInputStream, "UTF8");
mBufferedReader = new BufferedReader(mInputStreamReader);
mOutputStreamWriter = new OutputStreamWriter(mOutputStream, "UTF8");
mConnected = true;
}
// Insert end
public boolean connected() {
return mConnected;
}
/**
* Sends a request to http server.
* Returns a http response.
*/
public HttpResponse send(HttpRequest request)
throws IOException {
HttpResponse resp = new HttpResponse();
if (mOutputStream == null)
throw new IOException("Output stream not initialized");
request.write(mOutputStreamWriter);
try {
resp.parse(mBufferedReader);
} catch (IOException e) {
// XXX should we disconnect in all cases ?
disconnect();
throw e;
}
disconnect();
return resp;
}
public void disconnect()
throws IOException {
mSocket.close();
mInputStream = null;
mOutputStream = null;
mConnected = false;
}
public InputStream getInputStream() {
return mInputStream;
}
public OutputStream getOutputStream() {
return mOutputStream;
}
public BufferedReader getBufferedReader() {
return mBufferedReader;
}
public InputStreamReader getInputStreamReader() {
return mInputStreamReader;
}
public OutputStreamWriter getOutputStreamWriter() {
return mOutputStreamWriter;
}
public Socket getSocket() {
return mSocket;
}
/**
* unit test
*/
public static void main(String args[])
throws Exception {
HttpClient c = new HttpClient();
HttpRequest req = new HttpRequest();
HttpResponse resp = null;
System.out.println("connecting to " + args[0] + " " + args[1]);
c.connect(args[0], Integer.parseInt(args[1]));
req.setMethod("GET");
req.setURI(args[2]);
if (args.length >= 4)
req.setHeader("Connection", args[3]);
resp = c.send(req);
System.out.println("version " + resp.getHttpVers());
System.out.println("status code " + resp.getStatusCode());
System.out.println("reason " + resp.getReasonPhrase());
System.out.println("content " + resp.getContent());
//String lenstr = resp.getHeader("Content-Length");
//System.out.println("content len is "+lenstr);
//int length = Integer.parseInt(lenstr);
//char[] content = new char[length];
//c.mBufferedReader.read(content, 0, content.length);
//System.out.println(content);
if (args.length >= 4 && args[3].equalsIgnoreCase("keep-alive")) {
for (int i = 0; i < 2; i++) {
if (i == 1)
req.setHeader("Connection", "Close");
resp = c.send(req);
System.out.println("version " + resp.getHttpVers());
System.out.println("status code " + resp.getStatusCode());
System.out.println("reason " + resp.getReasonPhrase());
System.out.println("content " + resp.getContent());
//len = Integer.parseInt(resp.getHeader("Content-Length"));
//System.out.println("content len is "+len);
//msgbody = new char[len];
//c.mBufferedReader.read(msgbody, 0, len);
//System.out.println(content);
}
}
}
}
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