001 package com.croftsoft.core.net.http;
002
003 import java.io.*;
004 import java.net.*;
005
006 import com.croftsoft.core.io.Parser;
007 import com.croftsoft.core.io.StringCoder;
008
009 /*********************************************************************
010 * HTTP operations.
011 *
012 * @version
013 * 2003-06-05
014 * @since
015 * 1999-12-19
016 * @author
017 * <a href="https://www.croftsoft.com/">David Wallace Croft</a>
018 *********************************************************************/
019
020 public final class HttpLib
021 //////////////////////////////////////////////////////////////////////
022 //////////////////////////////////////////////////////////////////////
023 {
024
025 public static final String APPLICATION_OCTET_STREAM
026 = "application/octet-stream";
027
028 //////////////////////////////////////////////////////////////////////
029 //////////////////////////////////////////////////////////////////////
030
031 public static void main ( String [ ] args )
032 throws Exception
033 //////////////////////////////////////////////////////////////////////
034 {
035 System.out.println (
036 post (
037 new URL ( args [ 0 ] ),
038 "get".getBytes ( StringCoder.US_ASCII ),
039 "HttpLib/1.0",
040 "text/plain",
041 new StringCoder ( StringCoder.US_ASCII ) ) );
042 }
043
044 //////////////////////////////////////////////////////////////////////
045 //////////////////////////////////////////////////////////////////////
046
047 public static Object post (
048 URL url,
049 byte [ ] bytes,
050 String userAgent,
051 String contentType,
052 Parser parser )
053 throws IOException
054 //////////////////////////////////////////////////////////////////////
055 {
056 HttpURLConnection httpURLConnection
057 = ( HttpURLConnection ) url.openConnection ( );
058
059 httpURLConnection.setRequestMethod ( "POST" );
060
061 if ( userAgent != null )
062 {
063 httpURLConnection.setRequestProperty ( "User-Agent", userAgent );
064 }
065
066 if ( contentType != null )
067 {
068 httpURLConnection.setRequestProperty (
069 "Content-Type", contentType );
070 }
071
072 httpURLConnection.setRequestProperty (
073 "Content-Length", Integer.toString ( bytes.length ) );
074
075 httpURLConnection.setDoOutput ( true );
076
077 OutputStream outputStream = httpURLConnection.getOutputStream ( );
078
079 BufferedOutputStream bufferedOutputStream
080 = new BufferedOutputStream ( outputStream );
081
082 bufferedOutputStream.write ( bytes );
083
084 bufferedOutputStream.close ( );
085
086 if ( parser != null )
087 {
088 if ( httpURLConnection.getResponseCode ( )
089 == HttpURLConnection.HTTP_OK )
090 {
091 int contentLength = httpURLConnection.getContentLength ( );
092
093 InputStream inputStream = httpURLConnection.getInputStream ( );
094
095 BufferedInputStream bufferedInputStream
096 = new BufferedInputStream ( inputStream );
097
098 Object object
099 = parser.parse ( bufferedInputStream, contentLength );
100
101 bufferedInputStream.close ( );
102
103 return object;
104 }
105 }
106
107 return null;
108 }
109
110 public static int post (
111 String host,
112 String path,
113 byte [ ] bytes )
114 throws IOException
115 //////////////////////////////////////////////////////////////////////
116 {
117 return post ( host, 80, path, "HttpLib/1.00",
118 "application/x-www-form-urlencoded", bytes );
119 }
120
121 public static int post (
122 String host,
123 int port,
124 String path,
125 String userAgent,
126 byte [ ] bytes )
127 throws IOException
128 //////////////////////////////////////////////////////////////////////
129 {
130 return post ( host, port, path, userAgent,
131 "application/x-www-form-urlencoded", bytes );
132 }
133
134 public static int post (
135 String host,
136 int port,
137 String path,
138 String userAgent,
139 String contentType,
140 byte [ ] bytes )
141 throws IOException
142 //////////////////////////////////////////////////////////////////////
143 {
144 HttpConnection httpConnection = new HttpConnection (
145 host, port, path,userAgent, contentType, bytes, null );
146
147 httpConnection.post ( );
148
149 return httpConnection.getResponseCode ( );
150 }
151
152 //////////////////////////////////////////////////////////////////////
153 //////////////////////////////////////////////////////////////////////
154
155 private HttpLib ( ) { }
156
157 //////////////////////////////////////////////////////////////////////
158 //////////////////////////////////////////////////////////////////////
159 }