2 * Jalview - A Sequence Alignment Editor and Viewer (Version 2.8.2)
3 * Copyright (C) 2014 The Jalview Authors
5 * This file is part of Jalview.
7 * Jalview is free software: you can redistribute it and/or
8 * modify it under the terms of the GNU General Public License
9 * as published by the Free Software Foundation, either version 3
10 * of the License, or (at your option) any later version.
12 * Jalview is distributed in the hope that it will be useful, but
13 * WITHOUT ANY WARRANTY; without even the implied warranty
14 * of MERCHANTABILITY or FITNESS FOR A PARTICULAR
15 * PURPOSE. See the GNU General Public License for more details.
17 * You should have received a copy of the GNU General Public License
18 * along with Jalview. If not, see <http://www.gnu.org/licenses/>.
19 * The Jalview Authors are detailed in the 'AUTHORS' file.
23 import java.io.BufferedReader;
25 import java.io.IOException;
26 import java.io.InputStream;
27 import java.io.InputStreamReader;
28 import java.util.List;
30 import org.apache.http.HttpEntity;
31 import org.apache.http.HttpResponse;
32 import org.apache.http.HttpVersion;
33 import org.apache.http.NameValuePair;
34 import org.apache.http.client.ClientProtocolException;
35 import org.apache.http.client.HttpClient;
36 import org.apache.http.client.entity.UrlEncodedFormEntity;
37 import org.apache.http.client.methods.HttpPost;
38 import org.apache.http.entity.mime.HttpMultipartMode;
39 import org.apache.http.entity.mime.MultipartEntity;
40 import org.apache.http.entity.mime.content.FileBody;
41 import org.apache.http.entity.mime.content.InputStreamBody;
42 import org.apache.http.entity.mime.content.StringBody;
43 import org.apache.http.impl.client.DefaultHttpClient;
44 import org.apache.http.params.BasicHttpParams;
45 import org.apache.http.params.CoreProtocolPNames;
46 import org.apache.http.params.HttpParams;
49 * Helpful procedures for working with services via HTTPClient
54 public class HttpClientUtils
57 * do a minimal HTTP post with URL-Encoded parameters passed in the Query
62 * @return Reader containing content, if any, or null if no entity returned.
64 * @throws ClientProtocolException
67 public static BufferedReader doHttpUrlPost(String postUrl,
68 List<NameValuePair> vals) throws ClientProtocolException,
71 HttpParams params = new BasicHttpParams();
72 params.setParameter(CoreProtocolPNames.PROTOCOL_VERSION,
73 HttpVersion.HTTP_1_1);
74 HttpClient httpclient = new DefaultHttpClient(params);
75 HttpPost httppost = new HttpPost(postUrl);
76 UrlEncodedFormEntity ue = new UrlEncodedFormEntity(vals, "UTF-8");
77 httppost.setEntity(ue);
78 HttpResponse response = httpclient.execute(httppost);
79 HttpEntity resEntity = response.getEntity();
81 if (resEntity != null)
83 BufferedReader r = new BufferedReader(new InputStreamReader(
84 resEntity.getContent()));
93 public static BufferedReader doHttpMpartFilePost(String postUrl,
94 List<NameValuePair> vals, String fparm, File file, String mtype)
95 throws ClientProtocolException, IOException
97 HttpClient httpclient = new DefaultHttpClient();
98 HttpPost httppost = new HttpPost(postUrl);
99 MultipartEntity mpe = new MultipartEntity(
100 HttpMultipartMode.BROWSER_COMPATIBLE);
101 for (NameValuePair nvp : vals)
103 mpe.addPart(nvp.getName(), new StringBody(nvp.getValue()));
106 FileBody fb = new FileBody(file, mtype != null ? mtype
107 : "application/octet-stream");
108 mpe.addPart(fparm, fb);
109 UrlEncodedFormEntity ue = new UrlEncodedFormEntity(vals, "UTF-8");
110 httppost.setEntity(ue);
111 HttpResponse response = httpclient.execute(httppost);
112 HttpEntity resEntity = response.getEntity();
114 if (resEntity != null)
116 BufferedReader r = new BufferedReader(new InputStreamReader(
117 resEntity.getContent()));
126 public static BufferedReader doHttpMpartInputstreamPost(String postUrl,
127 List<NameValuePair> vals, String fparm, String fname,
128 InputStream is, String mtype) throws ClientProtocolException,
131 HttpClient httpclient = new DefaultHttpClient();
132 HttpPost httppost = new HttpPost(postUrl);
133 MultipartEntity mpe = new MultipartEntity(HttpMultipartMode.STRICT);
134 for (NameValuePair nvp : vals)
136 mpe.addPart(nvp.getName(), new StringBody(nvp.getValue()));
139 InputStreamBody fb = (mtype != null) ? new InputStreamBody(is, fname,
140 mtype) : new InputStreamBody(is, fname);
141 mpe.addPart(fparm, fb);
142 UrlEncodedFormEntity ue = new UrlEncodedFormEntity(vals, "UTF-8");
143 httppost.setEntity(ue);
144 HttpResponse response = httpclient.execute(httppost);
145 HttpEntity resEntity = response.getEntity();
147 if (resEntity != null)
149 BufferedReader r = new BufferedReader(new InputStreamReader(
150 resEntity.getContent()));