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1   /*
2    * Copyright 2011 The Kuali Foundation.
3    * 
4    * Licensed under the Educational Community License, Version 2.0 (the "License");
5    * you may not use this file except in compliance with the License.
6    * You may obtain a copy of the License at
7    * 
8    * http://www.opensource.org/licenses/ecl2.php
9    * 
10   * Unless required by applicable law or agreed to in writing, software
11   * distributed under the License is distributed on an "AS IS" BASIS,
12   * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13   * See the License for the specific language governing permissions and
14   * limitations under the License.
15   */
16  package org.kuali.ole.docstore.discovery.util;
17  
18  import org.slf4j.Logger;
19  import org.slf4j.LoggerFactory;
20  
21  import java.io.BufferedReader;
22  import java.io.InputStreamReader;
23  import java.io.OutputStreamWriter;
24  import java.io.Writer;
25  import java.net.URL;
26  import java.net.URLConnection;
27  
28  
29  /**
30   * Utility class for simulating an HTTP POST request.
31   * 
32   */
33  public class HttpPostUtil {
34  
35  	private static final Logger LOG = LoggerFactory.getLogger(HttpPostUtil.class);
36  
37  	/**
38  	 * Submits an HTTP POST request to the given target with the given request
39  	 * parameters.
40  	 * 
41  	 * @param target
42  	 *            url
43  	 * @param content
44  	 *            of request parameters
45  	 * @return the response
46  	 * @throws Exception
47  	 * 
48  	 * Usage:
49  	 * String target = "http://localhost:8080/OLE-DocSearch/select/";
50  	 * String content = "q=(ModifyingAgency:iul)&facet=true&facet.field=Price_f&facet.query=Price_f:[1 TO 50]&facet.query=Price_f:[51 TO 100]&facet.query=Price_f:[101 TO 200]&facet.query=Price_f:[201 TO 500]&facet.field=r_name_facetLetter&facet.query=r_name_facetLetter:[A TO C]&facet.query=r_name_facetLetter:[D TO F]&facet.query=r_name_facetLetter:[G TO I]&facet.query=r_name_facetLetter:[J TO L]&facet.query=r_name_facetLetter:[M TO O]&facet.query=r_name_facetLetter:[P TO R]&facet.query=r_name_facetLetter:[S TO U]&facet.query=r_name_facetLetter:[V TO Z]&facet.field=YearOfPublication&facet.query=YearOfPublication:[1900 TO 1950]&facet.query=YearOfPublication:[1951 TO 2000]&facet.query=YearOfPublication:[2000 TO 2011]&facet.field=r_NameOfPublisher_facetLetter&facet.query=r_NameOfPublisher_facetLetter:[A TO C]&facet.query=r_NameOfPublisher_facetLetter:[D TO F]&facet.query=r_NameOfPublisher_facetLetter:[G TO I]&facet.query=r_NameOfPublisher_facetLetter:[J TO L]&facet.query=r_NameOfPublisher_facetLetter:[M TO O]&facet.query=r_NameOfPublisher_facetLetter:[P TO R]&facet.query=r_NameOfPublisher_facetLetter:[S TO U]&facet.query=r_NameOfPublisher_facetLetter:[V TO Z]&facet.field=r_AddedEntryPersonalName_facetLetter&facet.query=r_AddedEntryPersonalName_facetLetter:[A TO C]&facet.query=r_AddedEntryPersonalName_facetLetter:[D TO F]&facet.query=r_AddedEntryPersonalName_facetLetter:[G TO I]&facet.query=r_AddedEntryPersonalName_facetLetter:[J TO L]&facet.query=r_AddedEntryPersonalName_facetLetter:[M TO O]&facet.query=r_AddedEntryPersonalName_facetLetter:[P TO R]&facet.query=r_AddedEntryPersonalName_facetLetter:[S TO U]&facet.query=r_AddedEntryPersonalName_facetLetter:[V TO Z]&wt=xslt&tr=response.xsl&hl.fl=ModifyingAgency,MainEntryPersonalName,FullerFormOfName,DatesAssociatedWithName,Title,RemainderOfTitle,StatementOfResponsibility,PlaceOfPublication,NameOfPublisher,DateOfPublication,Extent,Dimentions,GeneralNote,TopicalTermorgeographicnameElement,GeneralSubdivision,CorporateNameJurisdictionNameEntryElement,SubordinateUnit,AddedEntryPersonalName,999_i,999_p,999_u,ISBN,ISSN&&hl=true";
51  	 * String solrResponse = HttpPostUtil.postData(target, content);
52  	 */
53      public static String postData(String target, String content) throws Exception {
54          LOG.debug("About Post URL:" + target + "\nCONTENT length:" + content.length());
55          String response = "";
56          URL url = new URL(target);
57          URLConnection conn = url.openConnection();
58          conn.setDoInput(true);
59          conn.setDoOutput(true);
60          conn.setUseCaches(false);
61          conn.setRequestProperty("Content-Type", "application/x-www-form-urlencoded");
62  
63          Writer w = new OutputStreamWriter(conn.getOutputStream(), "UTF-8");
64          w.write(content);
65          w.close();
66          BufferedReader in = new BufferedReader(new InputStreamReader(conn.getInputStream()));
67          String temp;
68          while ((temp = in.readLine()) != null) {
69              response += temp + "\n";
70          }
71          in.close();
72          LOG.debug("Server response: " + response);
73          return response;
74      }
75  
76  }