edu.du.penrose.systems.fedoraProxy.web.bus.Solr

Introduction

Here is the source code for edu.du.penrose.systems.fedoraProxy.web.bus.Solr_select.java
Source

/*
 * Copyright 2012 University of Denver
 * Author Chet Rebman
 * 
 * This file is part of FedoraProxy.
 * 
 * FedoraProxy is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 * 
 * FedoraProxy is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 * 
 * You should have received a copy of the GNU General Public License
 * along with FedoraProxy.  If not, see <http://www.gnu.org/licenses/>.
*/
package edu.du.penrose.systems.fedoraProxy.web.bus;

import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

import org.springframework.stereotype.Controller;
import org.springframework.web.bind.annotation.PathVariable;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RequestMethod;
import org.springframework.web.bind.annotation.RequestParam;

/**
 * Handles a select request to a solr instance. <br>
 * NOTE: Requires a valid batchIngest.properties file with SOLR_HOST, SOLR_PORT,
 * SOLR_USER, SOLR_PWD definded!! Assumes solr is at /solr/
 * 
 * @author chet
 * 
 *         TEST with
 *         http://localhost:7080/fedoraProxy/du/nation/solr/select?q=dc.subject:maps 
 *         OR
 *         http://host/fedoraProxy/du/nation/solr/select?q=dc.subject:maps 
 *         
 *            becomes  http://solrhost/solr/select?q=dc.subject:maps
 */
@Controller
@RequestMapping(value = "/{webSite}/solr/select")
public class Solr_select extends ProxyController {

    private static String SOLR_QUERY_CMD = null;

    public Solr_select() {
        super();

        SOLR_QUERY_CMD = "http://" + SOLR_HOST + ":" + SOLR_PORT + "/solr/select?";
    }

    /** 
     * @param webSite     (path variable)         used to retrieve the webSite collection pid from the webSiteCollection.properties file, if not found a response status of 404 is returned.
     * @param queryString ('q' request parameter) the query string passed to solr, should be escaped.
     * <br>
     * @param request the original http request object.
     * @param response the http response sent back to the browser.
     * @throws Exception
     */
    @RequestMapping(method = RequestMethod.GET)
    public final void proxyCall(@RequestParam(required = true, value = "q") String queryString,
            @PathVariable String webSite, HttpServletRequest request, HttpServletResponse response) throws Exception // MUST BE type Exception for annotation to work!
    {

        this.logger.info("Request recived:" + request.getQueryString());

        this.performProxyCall(webSite, null, SOLR_QUERY_CMD + request.getQueryString(), response);

    } // proxyCall

} // Solr_select
edu.du.penrose.systems.fedoraProxy.web.bus.Solr_select.java Source code

Introduction

Source
