HttpInputStream
public class HttpInputStream extends InputStream {
private InputStream inputStream;
public HttpInputStream(InputStream inputStream) {
this.inputStream = inputStream;
}
@Override
public int read() throws IOException {
return inputStream.read();
}
public int read(byte b[]) throws IOException {
return inputStream.read(b);
}
public int read(byte b[], int off, int len) throws IOException {
return inputStream.read(b, off, len);
}
public long skip(long n) throws IOException {
return inputStream.skip(n);
}
public int available() throws IOException {
return inputStream.available();
}
public void close() throws IOException {
inputStream.close();
}
}
HttpOutputStream
public class HttpOutputStream extends OutputStream {
private OutputStream outputStream;
public HttpOutputStream(OutputStream outputStream) {
this.outputStream = outputStream;
}
@Override
public void write(int b) throws IOException {
outputStream.write(b);
}
public void write(byte b[]) throws IOException {
outputStream.write(b);
}
public void write(byte b[], int off, int len) throws IOException {
outputStream.write(b, off, len);
}
public void flush() throws IOException {
outputStream.flush();
}
public void close() throws IOException {
outputStream.close();
}
}
HttpConnection
public class HttpConnection {
private String host;
private int port;
private boolean secure;
private Socket socket;
private InputStream is;
private OutputStream os;
public HttpConnection(String host, int port) {
this(host, port, false);
}
public HttpConnection(String host, int port, boolean secure) {
this.host = host;
this.port = port;
this.secure = secure;
}
public void open() throws IOException {
if (secure) {
socket = SSLSocketFactory.getDefault().createSocket(host, port);
} else {
socket = new Socket(host, port);
}
is = new HttpInputStream(socket.getInputStream());
os = new HttpOutputStream(socket.getOutputStream());
}
public static HttpConnection getConnection(String host, int port) throws IOException {
HttpConnection connection = new HttpConnection(host, port);
connection.open();
return connection;
}
public static HttpConnection getConnection(String host, int port, boolean secure) throws IOException {
HttpConnection connection = new HttpConnection(host, port, secure);
connection.open();
return connection;
}
public InputStream getInputStream() {
return is;
}
public OutputStream getOutputStream() {
return os;
}
}
Http请求客户端代码：
@Test
public void http() throws IOException {
HttpConnection connection = HttpConnection.getConnection("www.baidu.com", 80);
try {
OutputStreamWriter writer = new OutputStreamWriter(connection.getOutputStream());
//writer.write("GET http://m.alaemall.com/default.shtml HTTP/1.0\r\n");
//writer.write("GET /default.shtml HTTP/1.0\r\n");
//writer.write("GET http://m.alaemall.com/default.shtml HTTP/1.1\r\n");
//writer.write("GET /default.shtml HTTP/1.1\r\n");
writer.write("GET / HTTP/1.1\r\n");
//writer.write("Accept:text/html,application/xhtml+xml,application/xml;q=0.9,*/*;q=0.8\r\n");
//writer.write("Accept-Encoding:gzip,deflate,sdch\r\n");
//writer.write("Accept-Language:zh-CN,zh;q=0.8\r\n");
//writer.write("Cache-Control:max-age=0\r\n");
//writer.write("Connection:keep-alive\r\n");
//writer.write("Cookie:JSESSIONID=98F8CB4369EAD78CC321B2E5BD344191\r\n");
//writer.write("Host:m.alaemall.com\r\n");
//writer.write("Host:Host:m.alaemall.com\r\n");
//writer.write("Host:m.alaepay.com\r\n");
writer.write("Host:www.baidu.com\r\n");
//writer.write("Host: \r\n");
writer.write("\r\n");
writer.flush();
InputStream is = connection.getInputStream();
StringBuilder sb = new StringBuilder();
byte[] b = new byte[512];
int nb = -1;
while ((nb = is.read(b)) != -1) {
sb.append(new String(b, 0, nb));
}
System.out.println(sb.toString());
} catch (UnknownHostException e) {
e.printStackTrace();
} catch (IOException e) {
e.printStackTrace();
}
}
Https请求客户端代码：
@Test
public void https() throws IOException {
HttpConnection connection = HttpConnection.getConnection("www.baidu.com", 443, true);
try {
OutputStreamWriter writer = new OutputStreamWriter(connection.getOutputStream());
//writer.write("GET http://m.alaemall.com/default.shtml HTTP/1.0\r\n");
//writer.write("GET /default.shtml HTTP/1.0\r\n");
//writer.write("GET http://m.alaemall.com/default.shtml HTTP/1.1\r\n");
//writer.write("GET /default.shtml HTTP/1.1\r\n");
writer.write("GET / HTTP/1.1\r\n");
//writer.write("Accept:text/html,application/xhtml+xml,application/xml;q=0.9,*/*;q=0.8\r\n");
//writer.write("Accept-Encoding:gzip,deflate,sdch\r\n");
//writer.write("Accept-Language:zh-CN,zh;q=0.8\r\n");
//writer.write("Cache-Control:max-age=0\r\n");
//writer.write("Connection:keep-alive\r\n");
//writer.write("Cookie:JSESSIONID=98F8CB4369EAD78CC321B2E5BD344191\r\n");
//writer.write("Host:m.alaemall.com\r\n");
//writer.write("Host:Host:m.alaemall.com\r\n");
//writer.write("Host:m.alaepay.com\r\n");
writer.write("Host:www.baidu.com\r\n");
//writer.write("Host: \r\n");
writer.write("\r\n");
writer.flush();
InputStream is = connection.getInputStream();
StringBuilder sb = new StringBuilder();
byte[] b = new byte[512];
int nb = -1;
while ((nb = is.read(b)) != -1) {
sb.append(new String(b, 0, nb));
}
System.out.println(sb.toString());
} catch (UnknownHostException e) {
e.printStackTrace();
} catch (IOException e) {
e.printStackTrace();
}
}
返回结果：
HTTP/1.1 200 OK
Server: bfe/1.0.8.18
Date: Thu, 29 Sep 2016 15:38:28 GMT
Content-Type: text/html
Content-Length: 14720
Connection: keep-alive
Last-Modified: Tue, 30 Aug 2016 09:16:00 GMT
Vary: Accept-Encoding
Set-Cookie: BAIDUID=FCC74F1440586BD1DE5DDDCCE6B4ABB5:FG=1; expires=Thu, 31-Dec-37 23:55:55 GMT; max-age=2147483647; path=/; domain=.baidu.com
Set-Cookie: BIDUPSID=FCC74F1440586BD1DE5DDDCCE6B4ABB5; expires=Thu, 31-Dec-37 23:55:55 GMT; max-age=2147483647; path=/; domain=.baidu.com
Set-Cookie: PSTM=1475163508; expires=Thu, 31-Dec-37 23:55:55 GMT; max-age=2147483647; path=/; domain=.baidu.com
P3P: CP=" OTI DSP COR IVA OUR IND COM "
X-UA-Compatible: IE=Edge,chrome=1
Pragma: no-cache
Cache-control: no-cache
Accept-Ranges: bytes
Set-Cookie: __bsi=14310701737733550345_00_263_N_N_1_0301_002F_N_N_N_0; expires=Thu, 29-Sep-16 15:38:33 GMT; domain=www.baidu.com; path=/
<!DOCTYPE html><!--STATUS OK-->
<html>
<head>
<meta http-equiv="content-type" content="text/html;charset=utf-8">
<meta http-equiv="X-UA-Compatible" content="IE=Edge">
。。。。。。