root / branches / v2_0_0_prep / libraries / libRemoteServices / src / org / gvsig / remoteclient / ogc / request / OGCRequest.java @ 30324
History | View | Annotate | Download (5.63 KB)
1 |
/* gvSIG. Geographic Information System of the Valencian Government
|
---|---|
2 |
*
|
3 |
* Copyright (C) 2007-2008 Infrastructures and Transports Department
|
4 |
* of the Valencian Government (CIT)
|
5 |
*
|
6 |
* This program is free software; you can redistribute it and/or
|
7 |
* modify it under the terms of the GNU General Public License
|
8 |
* as published by the Free Software Foundation; either version 2
|
9 |
* of the License, or (at your option) any later version.
|
10 |
*
|
11 |
* This program is distributed in the hope that it will be useful,
|
12 |
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
13 |
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
14 |
* GNU General Public License for more details.
|
15 |
*
|
16 |
* You should have received a copy of the GNU General Public License
|
17 |
* along with this program; if not, write to the Free Software
|
18 |
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
|
19 |
* MA 02110-1301, USA.
|
20 |
*
|
21 |
*/
|
22 |
|
23 |
/*
|
24 |
* AUTHORS (In addition to CIT):
|
25 |
* 2009 Iver T.I. {{Task}}
|
26 |
*/
|
27 |
|
28 |
package org.gvsig.remoteclient.ogc.request; |
29 |
|
30 |
import java.io.File; |
31 |
import java.io.IOException; |
32 |
import java.net.ConnectException; |
33 |
import java.net.MalformedURLException; |
34 |
import java.net.URL; |
35 |
import java.net.UnknownHostException; |
36 |
|
37 |
import org.gvsig.remoteclient.RemoteClientStatus; |
38 |
import org.gvsig.remoteclient.ogc.OGCClientOperation; |
39 |
import org.gvsig.remoteclient.ogc.OGCProtocolHandler; |
40 |
import org.gvsig.remoteclient.utils.Utilities; |
41 |
import org.gvsig.remoteclient.wfs.WFSOperation; |
42 |
|
43 |
public abstract class OGCRequest { |
44 |
protected RemoteClientStatus status = null; |
45 |
protected OGCProtocolHandler protocolHandler = null; |
46 |
protected boolean isDeleted = false; |
47 |
|
48 |
public OGCRequest(RemoteClientStatus status, OGCProtocolHandler protocolHandler) {
|
49 |
super();
|
50 |
this.status = status;
|
51 |
this.protocolHandler = protocolHandler;
|
52 |
} |
53 |
|
54 |
/**
|
55 |
* Send a request to the server.
|
56 |
* @return
|
57 |
* The server reply
|
58 |
* @throws IOException
|
59 |
* @throws UnknownHostException
|
60 |
* @throws ConnectException
|
61 |
*/
|
62 |
public File sendRequest() throws ConnectException, UnknownHostException, IOException{ |
63 |
//if the status is null is because is a GetCapabilities operation
|
64 |
if (status != null){ |
65 |
if (status.getProtocol() != OGCClientOperation.PROTOCOL_UNDEFINED){
|
66 |
if (status.getProtocol() == OGCClientOperation.PROTOCOL_GET){
|
67 |
String onlineResource = protocolHandler.getHost();
|
68 |
String symbol = getSymbol(onlineResource);
|
69 |
onlineResource = onlineResource + symbol; |
70 |
return sendHttpGetRequest(onlineResource);
|
71 |
}else{
|
72 |
String onlineResource = protocolHandler.getHost();
|
73 |
return sendHttpPostRequest(onlineResource);
|
74 |
} |
75 |
} |
76 |
} |
77 |
|
78 |
//if exists an online resource for the GET operation
|
79 |
String onlineResource = protocolHandler.getServiceInformation().getOnlineResource(getOperationName(), WFSOperation.PROTOCOL_GET);
|
80 |
if (onlineResource != null){ |
81 |
String symbol = getSymbol(onlineResource);
|
82 |
onlineResource = onlineResource + symbol; |
83 |
return sendHttpGetRequest(onlineResource);
|
84 |
} |
85 |
//if exists an online resource for the POST operation
|
86 |
onlineResource = protocolHandler.getServiceInformation().getOnlineResource(getOperationName(), WFSOperation.PROTOCOL_POST); |
87 |
if (onlineResource != null){ |
88 |
return sendHttpPostRequest(onlineResource);
|
89 |
} |
90 |
//If the online resource doesn't exist, it tries with the server URL and GET
|
91 |
onlineResource = protocolHandler.getHost(); |
92 |
String symbol = getSymbol(onlineResource);
|
93 |
onlineResource = onlineResource + symbol; |
94 |
return sendHttpGetRequest(onlineResource);
|
95 |
} |
96 |
|
97 |
protected abstract String getHttpGetRequest(String onlineResource); |
98 |
|
99 |
protected abstract String getHttpPostRequest(String onlineResource); |
100 |
|
101 |
protected abstract String getTempFilePrefix(); |
102 |
|
103 |
protected abstract String getOperationName(); |
104 |
|
105 |
protected abstract String getSchemaLocation(); |
106 |
|
107 |
/**
|
108 |
* @return the URL used in the HTTP get operation
|
109 |
* @throws MalformedURLException
|
110 |
*/
|
111 |
public URL getURL() throws MalformedURLException{ |
112 |
String onlineResource = protocolHandler.getServiceInformation().getOnlineResource(getOperationName(), WFSOperation.PROTOCOL_GET);
|
113 |
if (onlineResource != null){ |
114 |
String symbol = getSymbol(onlineResource);
|
115 |
onlineResource = onlineResource + symbol; |
116 |
return new URL(getHttpGetRequest(onlineResource)); |
117 |
} |
118 |
return null; |
119 |
} |
120 |
|
121 |
/**
|
122 |
* Send a Http request using the get protocol
|
123 |
* @param onlineResource
|
124 |
* @return
|
125 |
* @throws ConnectException
|
126 |
* @throws UnknownHostException
|
127 |
* @throws IOException
|
128 |
*/
|
129 |
private File sendHttpGetRequest(String onlineResource) throws ConnectException, UnknownHostException, IOException{ |
130 |
URL url = new URL(getHttpGetRequest(onlineResource)); |
131 |
if (isDeleted()){
|
132 |
Utilities.removeURL(url);
|
133 |
} |
134 |
return Utilities.downloadFile(url, getTempFilePrefix(), null); |
135 |
} |
136 |
|
137 |
/**
|
138 |
* Send a Http request using the post protocol
|
139 |
* @param onlineResource
|
140 |
* @return
|
141 |
* @throws ConnectException
|
142 |
* @throws UnknownHostException
|
143 |
* @throws IOException
|
144 |
*/
|
145 |
private File sendHttpPostRequest(String onlineResource) throws ConnectException, UnknownHostException, IOException{ |
146 |
URL url = new URL(onlineResource); |
147 |
String data = getHttpPostRequest(onlineResource);
|
148 |
System.out.println(data);
|
149 |
if (isDeleted()){
|
150 |
Utilities.removeURL(url+data);
|
151 |
} |
152 |
return Utilities.downloadFile(url, data, getTempFilePrefix(), null); |
153 |
} |
154 |
|
155 |
/**
|
156 |
* Just for not repeat code. Gets the correct separator according
|
157 |
* to the server URL
|
158 |
* @param h
|
159 |
* @return
|
160 |
*/
|
161 |
protected static String getSymbol(String h) { |
162 |
String symbol;
|
163 |
if (h.indexOf("?")==-1) |
164 |
symbol = "?";
|
165 |
else if (h.indexOf("?")!=h.length()-1) |
166 |
symbol = "&";
|
167 |
else
|
168 |
symbol = "";
|
169 |
return symbol;
|
170 |
} |
171 |
|
172 |
public boolean isDeleted() { |
173 |
return isDeleted;
|
174 |
} |
175 |
|
176 |
public void setDeleted(boolean isDeleted) { |
177 |
this.isDeleted = isDeleted;
|
178 |
} |
179 |
|
180 |
} |
181 |
|