001    /*
002     * Copyright 2011 The Kuali Foundation.
003     * 
004     * Licensed under the Educational Community License, Version 2.0 (the "License");
005     * you may not use this file except in compliance with the License.
006     * You may obtain a copy of the License at
007     * 
008     * http://www.opensource.org/licenses/ecl2.php
009     * 
010     * Unless required by applicable law or agreed to in writing, software
011     * distributed under the License is distributed on an "AS IS" BASIS,
012     * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
013     * See the License for the specific language governing permissions and
014     * limitations under the License.
015     */
016    package org.kuali.ole.docstore.discovery.util;
017    
018    import org.slf4j.Logger;
019    import org.slf4j.LoggerFactory;
020    
021    import java.io.BufferedReader;
022    import java.io.InputStreamReader;
023    import java.io.OutputStreamWriter;
024    import java.io.Writer;
025    import java.net.URL;
026    import java.net.URLConnection;
027    
028    
029    /**
030     * Utility class for simulating an HTTP POST request.
031     * 
032     */
033    public class HttpPostUtil {
034    
035            private static final Logger LOG = LoggerFactory.getLogger(HttpPostUtil.class);
036    
037            /**
038             * Submits an HTTP POST request to the given target with the given request
039             * parameters.
040             * 
041             * @param target
042             *            url
043             * @param content
044             *            of request parameters
045             * @return the response
046             * @throws Exception
047             * 
048             * Usage:
049             * String target = "http://localhost:8080/OLE-DocSearch/select/";
050             * 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";
051             * String solrResponse = HttpPostUtil.postData(target, content);
052             */
053        public static String postData(String target, String content) throws Exception {
054            LOG.debug("About Post URL:" + target + "\nCONTENT length:" + content.length());
055            String response = "";
056            URL url = new URL(target);
057            URLConnection conn = url.openConnection();
058            conn.setDoInput(true);
059            conn.setDoOutput(true);
060            conn.setUseCaches(false);
061            conn.setRequestProperty("Content-Type", "application/x-www-form-urlencoded");
062    
063            Writer w = new OutputStreamWriter(conn.getOutputStream(), "UTF-8");
064            w.write(content);
065            w.close();
066            BufferedReader in = new BufferedReader(new InputStreamReader(conn.getInputStream()));
067            String temp;
068            while ((temp = in.readLine()) != null) {
069                response += temp + "\n";
070            }
071            in.close();
072            LOG.debug("Server response: " + response);
073            return response;
074        }
075    
076    }