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comparison src/main/java/de/mpiwg/itgroup/ismi/utils/HTTPUtils.java @ 1:2e911857a759

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author jurzua
date Wed, 29 Oct 2014 14:00:28 +0000
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0:74df02964906 1:2e911857a759
1 package de.mpiwg.itgroup.ismi.utils;
2
3 import java.io.BufferedReader;
4 import java.io.IOException;
5 import java.io.InputStream;
6 import java.io.InputStreamReader;
7 import java.net.HttpURLConnection;
8 import java.net.URL;
9 import java.net.URLConnection;
10 import java.security.KeyManagementException;
11 import java.security.NoSuchAlgorithmException;
12 import java.security.cert.X509Certificate;
13
14 import javax.net.ssl.HttpsURLConnection;
15 import javax.net.ssl.SSLContext;
16 import javax.net.ssl.SSLSocketFactory;
17 import javax.net.ssl.TrustManager;
18 import javax.xml.parsers.DocumentBuilderFactory;
19
20 import org.apache.commons.io.IOUtils;
21 import org.w3c.dom.Document;
22
23 import javax.net.ssl.TrustManager;
24 import javax.net.ssl.X509TrustManager;
25
26
27 public class HTTPUtils {
28
29
30 public static Document getDocument(String link){
31 try {
32 Document doc = DocumentBuilderFactory.newInstance().newDocumentBuilder().parse(link);
33 return doc;
34 } catch (Exception e) {
35 e.printStackTrace();
36 }
37 return null;
38 }
39
40 public static String getResponse(String link) throws IOException{
41
42 URL url = new URL(link);
43 URLConnection uc = url.openConnection();
44 BufferedReader in = new BufferedReader(
45 new InputStreamReader(
46 uc.getInputStream()));
47 String inputLine;
48 StringBuilder sb = new StringBuilder();
49 while ((inputLine = in.readLine()) != null)
50 sb.append(inputLine);
51 in.close();
52
53 return null;
54 }
55
56
57 final static TrustManager[] trustAllCerts = new TrustManager[] { new X509TrustManager() {
58 @Override
59 public void checkClientTrusted( final X509Certificate[] chain, final String authType ) {
60 }
61 @Override
62 public void checkServerTrusted( final X509Certificate[] chain, final String authType ) {
63 }
64 @Override
65 public X509Certificate[] getAcceptedIssuers() {
66 return null;
67 }
68 } };
69
70 public static HttpResponse getHttpSSLResponse(String link) throws IOException, KeyManagementException, NoSuchAlgorithmException{
71
72 // Install the all-trusting trust manager
73 final SSLContext sslContext = SSLContext.getInstance( "SSL" );
74 sslContext.init( null, trustAllCerts, new java.security.SecureRandom() );
75 // Create an ssl socket factory with our all-trusting manager
76 final SSLSocketFactory sslSocketFactory = sslContext.getSocketFactory();
77
78 /////
79
80 URL url = new URL(link);
81 HttpURLConnection httpConn = (HttpURLConnection)url.openConnection();
82
83 ( (HttpsURLConnection) httpConn ).setSSLSocketFactory( sslSocketFactory );
84
85
86 InputStream in;
87 if (httpConn.getResponseCode() >= 400) {
88 in = httpConn.getErrorStream();
89 } else {
90 in = httpConn.getInputStream();
91 }
92
93 return new HttpResponse(httpConn.getResponseCode(), in);
94 }
95
96
97 public static HttpStringResponse getHttpSSLStringResponse(String link) throws IOException, KeyManagementException, NoSuchAlgorithmException{
98
99 // Install the all-trusting trust manager
100 final SSLContext sslContext = SSLContext.getInstance( "SSL" );
101 sslContext.init( null, trustAllCerts, new java.security.SecureRandom() );
102 // Create an ssl socket factory with our all-trusting manager
103 final SSLSocketFactory sslSocketFactory = sslContext.getSocketFactory();
104
105 URL url = new URL(link);
106 HttpURLConnection httpConn = (HttpURLConnection)url.openConnection();
107
108 ( (HttpsURLConnection) httpConn ).setSSLSocketFactory( sslSocketFactory );
109
110
111 BufferedReader in = null;
112 if (httpConn.getResponseCode() >= 400) {
113 in = new BufferedReader(
114 new InputStreamReader(
115 httpConn.getErrorStream()));
116 } else {
117 in = new BufferedReader(
118 new InputStreamReader(
119 httpConn.getInputStream()));
120 }
121
122
123 String inputLine;
124 StringBuilder sb = new StringBuilder();
125 while ((inputLine = in.readLine()) != null)
126 sb.append(inputLine + "\n");
127 in.close();
128
129 return new HttpStringResponse(httpConn.getResponseCode(), sb.toString());
130 }
131
132 public static HttpStringResponse getHttpStringResponse(String link) throws IOException{
133
134 //System.out.println(link);
135
136 URL url = new URL(link);
137 HttpURLConnection httpConn = (HttpURLConnection)url.openConnection();
138
139 BufferedReader in = null;
140 if (httpConn.getResponseCode() >= 400) {
141 in = new BufferedReader(
142 new InputStreamReader(
143 httpConn.getErrorStream()));
144 } else {
145 in = new BufferedReader(
146 new InputStreamReader(
147 httpConn.getInputStream()));
148 }
149
150
151 String inputLine;
152 StringBuilder sb = new StringBuilder();
153 while ((inputLine = in.readLine()) != null)
154 sb.append(inputLine + "\n");
155 in.close();
156
157 return new HttpStringResponse(httpConn.getResponseCode(), sb.toString());
158 }
159
160 public static class HttpStringResponse{
161 public int code;
162 public String content;
163 public HttpStringResponse(int code, String content){
164 this.code = code;
165 this.content = content;
166 }
167 }
168
169 public static class HttpResponse{
170 public int code;
171 public InputStream content;
172 public HttpResponse(int code, InputStream content){
173 this.code = code;
174 this.content = content;
175 }
176 }
177 }