2 * Jalview - A Sequence Alignment Editor and Viewer ($$Version-Rel$$)
3 * Copyright (C) $$Year-Rel$$ 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.HttpConnectionParams;
47 import org.apache.http.params.HttpParams;
50 * Helpful procedures for working with services via HTTPClient
55 public class HttpClientUtils
58 * do a minimal HTTP post with URL-Encoded parameters passed in the Query
63 * @return Reader containing content, if any, or null if no entity returned.
65 * @throws ClientProtocolException
68 public static BufferedReader doHttpUrlPost(String postUrl,
69 List<NameValuePair> vals, int connectionTimeoutMs,
70 int readTimeoutMs) throws ClientProtocolException,
73 // todo use HttpClient 4.3 or later and class RequestConfig
74 HttpParams params = new BasicHttpParams();
75 params.setParameter(CoreProtocolPNames.PROTOCOL_VERSION,
76 HttpVersion.HTTP_1_1);
77 if (connectionTimeoutMs > 0)
80 .setConnectionTimeout(params, connectionTimeoutMs);
82 if (readTimeoutMs > 0)
84 HttpConnectionParams.setSoTimeout(params, readTimeoutMs);
86 HttpClient httpclient = new DefaultHttpClient(params);
87 HttpPost httppost = new HttpPost(postUrl);
88 UrlEncodedFormEntity ue = new UrlEncodedFormEntity(vals, "UTF-8");
89 httppost.setEntity(ue);
90 HttpResponse response = httpclient.execute(httppost);
91 HttpEntity resEntity = response.getEntity();
93 if (resEntity != null)
95 BufferedReader r = new BufferedReader(new InputStreamReader(
96 resEntity.getContent()));
105 public static BufferedReader doHttpMpartFilePost(String postUrl,
106 List<NameValuePair> vals, String fparm, File file, String mtype)
107 throws ClientProtocolException, IOException
109 HttpClient httpclient = new DefaultHttpClient();
110 HttpPost httppost = new HttpPost(postUrl);
111 MultipartEntity mpe = new MultipartEntity(
112 HttpMultipartMode.BROWSER_COMPATIBLE);
113 for (NameValuePair nvp : vals)
115 mpe.addPart(nvp.getName(), new StringBody(nvp.getValue()));
118 FileBody fb = new FileBody(file, mtype != null ? mtype
119 : "application/octet-stream");
120 mpe.addPart(fparm, fb);
121 UrlEncodedFormEntity ue = new UrlEncodedFormEntity(vals, "UTF-8");
122 httppost.setEntity(ue);
123 HttpResponse response = httpclient.execute(httppost);
124 HttpEntity resEntity = response.getEntity();
126 if (resEntity != null)
128 BufferedReader r = new BufferedReader(new InputStreamReader(
129 resEntity.getContent()));
138 public static BufferedReader doHttpMpartInputstreamPost(String postUrl,
139 List<NameValuePair> vals, String fparm, String fname,
140 InputStream is, String mtype) throws ClientProtocolException,
143 HttpClient httpclient = new DefaultHttpClient();
144 HttpPost httppost = new HttpPost(postUrl);
145 MultipartEntity mpe = new MultipartEntity(HttpMultipartMode.STRICT);
146 for (NameValuePair nvp : vals)
148 mpe.addPart(nvp.getName(), new StringBody(nvp.getValue()));
151 InputStreamBody fb = (mtype != null) ? new InputStreamBody(is, fname,
152 mtype) : new InputStreamBody(is, fname);
153 mpe.addPart(fparm, fb);
154 UrlEncodedFormEntity ue = new UrlEncodedFormEntity(vals, "UTF-8");
155 httppost.setEntity(ue);
156 HttpResponse response = httpclient.execute(httppost);
157 HttpEntity resEntity = response.getEntity();
159 if (resEntity != null)
161 BufferedReader r = new BufferedReader(new InputStreamReader(
162 resEntity.getContent()));