1 |
package dk.daoas.adressevedligehold.util; |
2 |
|
3 |
// kopieret fra dk.thoerup.genericjavautils; |
4 |
|
5 |
import java.io.ByteArrayOutputStream; |
6 |
import java.io.File; |
7 |
import java.io.FileOutputStream; |
8 |
import java.io.IOException; |
9 |
import java.io.InputStream; |
10 |
import java.io.OutputStream; |
11 |
import java.io.UnsupportedEncodingException; |
12 |
import java.net.HttpURLConnection; |
13 |
import java.net.URL; |
14 |
import java.net.URLConnection; |
15 |
import java.net.URLDecoder; |
16 |
import java.net.URLEncoder; |
17 |
import java.nio.charset.Charset; |
18 |
import java.util.HashMap; |
19 |
import java.util.Map; |
20 |
|
21 |
|
22 |
public class HttpUtil { |
23 |
|
24 |
static public Map<String,String> decodeUri(String uri) { |
25 |
if (uri.indexOf('?') != -1) { |
26 |
String parts[] = uri.split("\\?"); |
27 |
return decodeParams( parts[1] ); |
28 |
} else { |
29 |
return new HashMap<String,String>(); |
30 |
} |
31 |
|
32 |
|
33 |
|
34 |
} |
35 |
|
36 |
static public Map<String,String> decodeParams(String str) { |
37 |
Map<String,String> res = new HashMap<String,String>(); |
38 |
|
39 |
|
40 |
String parts[] = str.split("&"); |
41 |
|
42 |
for (String part : parts) { |
43 |
String pair[] = part.split("="); |
44 |
String key = pair[0]; |
45 |
|
46 |
String val = null; |
47 |
if (pair.length == 2) { |
48 |
|
49 |
|
50 |
try { |
51 |
val = URLDecoder.decode(pair[1], "ISO-8859-1"); |
52 |
} catch (UnsupportedEncodingException e) { |
53 |
val = pair[1]; // if decode fails try with the raw string |
54 |
} |
55 |
|
56 |
} |
57 |
|
58 |
res.put(key, val); |
59 |
} |
60 |
|
61 |
return res; |
62 |
} |
63 |
|
64 |
static public String getLastPart(String url) { |
65 |
String parts[] = url.split("/"); |
66 |
String lastPart = parts[ parts.length - 1]; |
67 |
|
68 |
return lastPart; |
69 |
} |
70 |
|
71 |
static public String encodeParams(Map<String,String> params) { |
72 |
StringBuilder sb = new StringBuilder(); |
73 |
|
74 |
boolean isFirst = true; |
75 |
for (Map.Entry<String,String> entry : params.entrySet()) { |
76 |
if (isFirst) { |
77 |
isFirst = false; |
78 |
} else { |
79 |
sb.append("&"); |
80 |
} |
81 |
|
82 |
|
83 |
sb.append( entry.getKey() ); |
84 |
sb.append("="); |
85 |
sb.append( encode( entry.getValue() ) ); |
86 |
|
87 |
|
88 |
} |
89 |
|
90 |
|
91 |
return sb.toString(); |
92 |
|
93 |
} |
94 |
|
95 |
public static String encode(String url) { |
96 |
if (url == null) |
97 |
return ""; |
98 |
|
99 |
try { |
100 |
return URLEncoder.encode(url, "UTF-8"); |
101 |
} catch (Exception e) { |
102 |
return url; |
103 |
} |
104 |
} |
105 |
|
106 |
public static String getContentString(String uri, int timeout) throws IOException { |
107 |
return getContentString(uri, timeout, "UTF-8"); |
108 |
} |
109 |
|
110 |
public static String getContentString(String uri, int timeout, String encoding) throws IOException { |
111 |
byte[] buf = getContent(uri, timeout); |
112 |
return new String(buf, encoding); |
113 |
} |
114 |
|
115 |
public static byte[] getContent(String uri, int timeout) throws IOException { |
116 |
URL url = new URL(uri); |
117 |
URLConnection connection = url.openConnection(); |
118 |
|
119 |
connection.setConnectTimeout(timeout); |
120 |
connection.setReadTimeout(timeout); |
121 |
InputStream is = connection.getInputStream(); |
122 |
|
123 |
return readInputStream(is); |
124 |
} |
125 |
|
126 |
public static void getContentToFile(String uri, File f, int timeout) throws IOException { |
127 |
URL url = new URL(uri); |
128 |
URLConnection connection = url.openConnection(); |
129 |
|
130 |
connection.setConnectTimeout(timeout); |
131 |
connection.setReadTimeout(timeout); |
132 |
InputStream is = connection.getInputStream(); |
133 |
|
134 |
saveInputStreamToFile(is,f); |
135 |
} |
136 |
|
137 |
public static byte[] postContent(String uri, String data, int timeout) throws IOException { |
138 |
URL url = new URL(uri); |
139 |
HttpURLConnection connection = (HttpURLConnection) url.openConnection(); |
140 |
connection.setDoOutput(true); |
141 |
connection.setRequestMethod("POST"); |
142 |
connection.setConnectTimeout(timeout); |
143 |
|
144 |
OutputStream os = connection.getOutputStream(); |
145 |
os.write( data.getBytes(Charset.forName("UTF-8")) ); |
146 |
|
147 |
InputStream is = connection.getInputStream(); |
148 |
|
149 |
return readInputStream(is); |
150 |
|
151 |
} |
152 |
|
153 |
static byte[] readInputStream(InputStream is) throws IOException{ |
154 |
byte buffer[] = new byte[64 * 1024]; |
155 |
//try /; //start buffer size - instead of default 32bytes |
156 |
try (ByteArrayOutputStream baos = new ByteArrayOutputStream(16*1024*1024)) { |
157 |
int count; |
158 |
|
159 |
while ( (count = is.read(buffer)) != -1) { |
160 |
baos.write(buffer, 0, count); |
161 |
} |
162 |
is.close(); |
163 |
return baos.toByteArray(); |
164 |
} |
165 |
} |
166 |
|
167 |
static void saveInputStreamToFile(InputStream is,File fOut) throws IOException{ |
168 |
byte buffer[] = new byte[64 * 1024]; |
169 |
|
170 |
//try /; //start buffer size - instead of default 32bytes |
171 |
try (FileOutputStream fos = new FileOutputStream(fOut) ) { |
172 |
int count; |
173 |
|
174 |
while ( (count = is.read(buffer)) != -1) { |
175 |
|
176 |
fos.write(buffer, 0, count); |
177 |
} |
178 |
is.close(); |
179 |
} |
180 |
|
181 |
} |
182 |
|
183 |
} |