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, IOException
72 // todo use HttpClient 4.3 or later and class RequestConfig
73 HttpParams params = new BasicHttpParams();
74 params.setParameter(CoreProtocolPNames.PROTOCOL_VERSION,
75 HttpVersion.HTTP_1_1);
76 if (connectionTimeoutMs > 0)
79 .setConnectionTimeout(params, connectionTimeoutMs);
81 if (readTimeoutMs > 0)
83 HttpConnectionParams.setSoTimeout(params, readTimeoutMs);
85 HttpClient httpclient = new DefaultHttpClient(params);
86 HttpPost httppost = new HttpPost(postUrl);
87 UrlEncodedFormEntity ue = new UrlEncodedFormEntity(vals, "UTF-8");
88 httppost.setEntity(ue);
89 HttpResponse response = httpclient.execute(httppost);
90 HttpEntity resEntity = response.getEntity();
92 if (resEntity != null)
94 BufferedReader r = new BufferedReader(new InputStreamReader(
95 resEntity.getContent()));
104 public static BufferedReader doHttpMpartFilePost(String postUrl,
105 List<NameValuePair> vals, String fparm, File file, String mtype)
106 throws ClientProtocolException, IOException
108 HttpClient httpclient = new DefaultHttpClient();
109 HttpPost httppost = new HttpPost(postUrl);
110 MultipartEntity mpe = new MultipartEntity(
111 HttpMultipartMode.BROWSER_COMPATIBLE);
112 for (NameValuePair nvp : vals)
114 mpe.addPart(nvp.getName(), new StringBody(nvp.getValue()));
117 FileBody fb = new FileBody(file, mtype != null ? mtype
118 : "application/octet-stream");
119 mpe.addPart(fparm, fb);
120 UrlEncodedFormEntity ue = new UrlEncodedFormEntity(vals, "UTF-8");
121 httppost.setEntity(ue);
122 HttpResponse response = httpclient.execute(httppost);
123 HttpEntity resEntity = response.getEntity();
125 if (resEntity != null)
127 BufferedReader r = new BufferedReader(new InputStreamReader(
128 resEntity.getContent()));
137 public static BufferedReader doHttpMpartInputstreamPost(String postUrl,
138 List<NameValuePair> vals, String fparm, String fname,
139 InputStream is, String mtype) throws ClientProtocolException,
142 HttpClient httpclient = new DefaultHttpClient();
143 HttpPost httppost = new HttpPost(postUrl);
144 MultipartEntity mpe = new MultipartEntity(HttpMultipartMode.STRICT);
145 for (NameValuePair nvp : vals)
147 mpe.addPart(nvp.getName(), new StringBody(nvp.getValue()));
150 InputStreamBody fb = (mtype != null) ? new InputStreamBody(is, fname,
151 mtype) : new InputStreamBody(is, fname);
152 mpe.addPart(fparm, fb);
153 UrlEncodedFormEntity ue = new UrlEncodedFormEntity(vals, "UTF-8");
154 httppost.setEntity(ue);
155 HttpResponse response = httpclient.execute(httppost);
156 HttpEntity resEntity = response.getEntity();
158 if (resEntity != null)
160 BufferedReader r = new BufferedReader(new InputStreamReader(
161 resEntity.getContent()));