1 /*
2 * Copyright (c) 2002-2021, City of Paris
3 * All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
8 *
9 * 1. Redistributions of source code must retain the above copyright notice
10 * and the following disclaimer.
11 *
12 * 2. Redistributions in binary form must reproduce the above copyright notice
13 * and the following disclaimer in the documentation and/or other materials
14 * provided with the distribution.
15 *
16 * 3. Neither the name of 'Mairie de Paris' nor 'Lutece' nor the names of its
17 * contributors may be used to endorse or promote products derived from
18 * this software without specific prior written permission.
19 *
20 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
21 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
22 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
23 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDERS OR CONTRIBUTORS BE
24 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
25 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
26 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
27 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
28 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
29 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
30 * POSSIBILITY OF SUCH DAMAGE.
31 *
32 * License 1.0
33 */
34 package fr.paris.lutece.plugins.search.solr.business;
35
36 import fr.paris.lutece.portal.service.util.AppPropertiesService;
37 import org.apache.solr.client.solrj.SolrClient;
38 import org.apache.solr.client.solrj.impl.Http2SolrClient;
39
40 /**
41 * This service provides an instance of SolrServer.
42 *
43 */
44 public final class SolrServerService
45 {
46 private static final String PROPERTY_SOLR_SERVER_URL = "solr.server.address";
47 private static final String PROPERTY_SOLR_TIMEOUT = "solr.server.timeout";
48 private static final String PROPERTY_SOLR_IDLE_TIMEOUT = "solr.idle.timeout";
49 private static final String PROPERTY_SOLR_HTTP_BASIC_AUTH_USER = "solr.httpBasicAuthUser";
50 private static final String PROPERTY_SOLR_HTTP_BASIC_AUTH_PASSWORD = "solr.httpBasicAuthPassword";
51
52 private static final String SOLR_SERVER_URL = AppPropertiesService.getProperty( PROPERTY_SOLR_SERVER_URL );
53 private static final int SOLR_CONNECTION_TIMEOUT = AppPropertiesService.getPropertyInt( PROPERTY_SOLR_TIMEOUT, 60000 );
54 private static final int SOLR_IDLE_TIMEOUT = AppPropertiesService.getPropertyInt( PROPERTY_SOLR_IDLE_TIMEOUT, 600000 );
55
56 private static final String SOLR_HTTP_BASIC_AUTH_USER = AppPropertiesService.getProperty( PROPERTY_SOLR_HTTP_BASIC_AUTH_USER );
57 private static final String SOLR_HTTP_BASIC_AUTH_PASSWORD = AppPropertiesService.getProperty( PROPERTY_SOLR_HTTP_BASIC_AUTH_PASSWORD );
58 private static SolrServerService _instance;
59 private SolrClient _solrServer;
60
61 /**
62 * Private constructor that creates the SolrServer.
63 */
64 private SolrServerService( )
65 {
66 _solrServer = createSolrServer( SOLR_SERVER_URL );
67 }
68
69 /**
70 * Return the instance.
71 *
72 * @return the instance.
73 */
74 public static SolrServerService getInstance( )
75 {
76 if ( _instance == null )
77 {
78 _instance = new SolrServerService( );
79 }
80
81 return _instance;
82 }
83
84 /**
85 * Returns the SolrServer.
86 *
87 * @return the SolrServer
88 */
89 public SolrClient getSolrServer( )
90 {
91 if ( _solrServer == null )
92 {
93 _solrServer = createSolrServer( SOLR_SERVER_URL );
94 }
95
96 return _solrServer;
97 }
98
99 /**
100 * Creates the SolrServer.
101 *
102 * @param strServerUrl
103 * the Solr server url
104 * @return the SolrServer.
105 */
106 private SolrClient createSolrServer( String strServerUrl )
107 {
108 return new Http2SolrClient.Builder(strServerUrl).connectionTimeout(SOLR_CONNECTION_TIMEOUT).idleTimeout(SOLR_IDLE_TIMEOUT).withBasicAuthCredentials(SOLR_HTTP_BASIC_AUTH_USER, SOLR_HTTP_BASIC_AUTH_PASSWORD).build();
109 }
110 }