traininfoservice/banedk/CompareStations.java

package dk.thoerup.traininfoservice.banedk;

import java.io.IOException;
import java.io.PrintWriter;
import java.net.URL;
import java.net.URLEncoder;
import java.util.Map;
import java.util.Set;
import java.util.TreeMap;
import java.util.TreeSet;

import javax.servlet.ServletException;
import javax.servlet.annotation.WebServlet;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

import org.jsoup.nodes.Document;
import org.jsoup.nodes.Element;
import org.jsoup.select.Elements;

import dk.thoerup.android.traininfo.common.StationBean;
import dk.thoerup.android.traininfo.common.StationEntry;
import dk.thoerup.circuitbreaker.CircuitBreaker;
import dk.thoerup.circuitbreaker.CircuitBreakerManager;
import dk.thoerup.traininfoservice.db.StationDAO;

import dk.thoerup.genericjavautils.TimeoutMap;


@WebServlet(urlPatterns={"/CompareStations"})
public class CompareStations extends HttpServlet {
        private static final long serialVersionUID = 1L;

        Map<String,String> cache = new TimeoutMap<String,String>(600 * 1000);
       
        protected void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
                try {
                        String data = "";
                        String uri = request.getParameter("uri");

                        if (uri != null) {
                                boolean require = Boolean.parseBoolean( request.getParameter("requiredata") );
                                data = hasData(uri, require);
                        } else {
                                data = getData(request);
                        }

                        PrintWriter out = response.getWriter();
                        out.print(data);

                } catch (Exception e) {
                        throw new ServletException(e);
                }
        }

        String getData(HttpServletRequest request) throws Exception {
                CircuitBreaker cb = CircuitBreakerManager.getManager().getCircuitBreaker("banedk");
                
                JsoupInvocation jsoup = new JsoupInvocation(new URL("http://trafikinfo.bane.dk/Trafikinformation/Stationsliste"), 5000);
                
                Map<String,String> banedkStations = new TreeMap<String,String>();
                Set<String> dbStations = new TreeSet<String>();
        
                StringBuilder sb = new StringBuilder(); 
                sb.append("<html>");
                sb.append("<head>");
                sb.append("<script type='text/javascript' src='https://ajax.googleapis.com/ajax/libs/jquery/1.7.1/jquery.min.js'></script>\n");
                sb.append("<script type='text/javascript' src='compareloader.js'></script>\n");

                sb.append("</head>");
                sb.append("<body>");
        
                StationDAO dao = new StationDAO();
                
                try {
                        Document doc = (Document) cb.invoke(jsoup);
                        
                        Elements tables = doc.getElementsByClass("Oversigt");
                        
                        for(Element e : tables) {
                                if (e.tagName().equals("table") ){
                                        Elements links = e.getElementsByTag("a");
                                        for (Element link : links) {                                            
                                                banedkStations.put( link.text(), link.attr("href") );
                                        }
                                }
                        }

                        sb.append("<h2>Active stations in DB</h2>\n");
                        sb.append("<ul>");

                        StationBean bean = dao.dumpAll();
                        for (StationEntry station : bean.entries) {
                                if (station.isRegional() || station.isStrain()) {
                                        if (station.isRegional() ) {            
                                                //String id = URLEncoder.encode(station.getRegional(), "ISO-8859-1");
                                                String id = station.getRegional();
                                                String uri = "/Trafikinformation/AfgangAnkomst/Afgang/" + id + "/Fjerntog";
                                        

                                                sb.append( "<li><a target='_blank' href='http://trafikinfo.bane.dk" + uri + "'>" + station.getName() + "</a> <span class='uri' requiredata='true' uri='" + uri + "'></span> </li>\n" );
                                        }
                                        if (station.isStrain() ) {              
                                                //String id = URLEncoder.encode(station.getStrain(), "ISO-8859-1");
                                                String id = station.getStrain();
                                                String uri = "/Trafikinformation/AfgangAnkomst/Afgang/" + id + "/S-Tog";
                                        

                                                sb.append( "<li><a target='_blank' href='http://trafikinfo.bane.dk" + uri + "'>" + station.getName() + "</a> <span class='uri' requiredata='true' uri='" + uri + "'></span> </li>\n" );
                                        }

                                        dbStations.add(station.getName());
                                }
                        }
                        sb.append("</ul>\n");
                        
                } catch (Exception e) {
                        throw new ServletException(e);
                }
                
                
                sb.append("<h2>stations on website not in db</h2>\n");
                sb.append("<ul>");
                Set<String> tmpDbStations = new TreeSet<String>( dbStations );
                Set<String> tmpBanedkStations = new TreeSet<String>( banedkStations.keySet()) ;
                tmpBanedkStations.removeAll(tmpDbStations);

                
                for(String s : tmpBanedkStations) {
                        String uri = banedkStations.get(s);
                        String disabled = "";
                        //String data = hasData(uri, false);
                        
                        try {
                                boolean tmpdisabled = dao.hasDisabledStation(s);
                                if (tmpdisabled == true)
                                        disabled = " - disabled";
                        } catch (Exception e) {
                                throw new ServletException(e);
                        }
                         
                        sb.append( "<li><a target='_blank' href='http://trafikinfo.bane.dk" + uri + "'>" + s + "</a>&nbsp;<span class='uri' requiredata='false' uri='" + uri + "'></span>" + disabled + "</li>\n" );
                }                               
                sb.append("</ul>");

                
                sb.append("<h2>stations in db not on website </h2>");
                sb.append("<ul>");
                tmpDbStations = new TreeSet<String>( dbStations );
                tmpBanedkStations = new TreeSet<String>( banedkStations.keySet() ) ;
                tmpDbStations.removeAll(tmpBanedkStations);
                for(String s : tmpDbStations) {
                        sb.append( "<li>" + s + "</li>\n" );
                }                               
                sb.append("</ul>");

                sb.append("</body></html>\n");
                
                return sb.toString();   
                
        }
        
        String hasData(String uri, boolean requiredata) {
                String key = uri + requiredata;

                String data = cache.get(key);
                if (data == null) {
                
                        data = "<font color='yellow'>unknown</font>";
                        try {
                                data = hasDataWorker(uri,requiredata);
                                cache.put(key,data);
                        } catch (Exception e) {
                                System.out.println( e.getMessage() );
                        }
                }
                return data;
        }

        String hasDataWorker(String uri, boolean requiredata) throws Exception {
                String returnVal = ""; 
                
                String parts[] = uri.split("\\/");
                String id = URLEncoder.encode(parts[4], "ISO-8859-1");
                String uri2 = "/TrafikInformation/AfgangAnkomst/Afgang/" + id + "/" + parts[5];

                CircuitBreaker cb = CircuitBreakerManager.getManager().getCircuitBreaker("banedk");
                        
                JsoupInvocation jsoup = new JsoupInvocation(new URL("http://trafikinfo.bane.dk" + uri2), 2000);
                        
                Document doc = (Document) cb.invoke(jsoup);
                        
                Element tabel = doc.getElementById("afgangtabel");
                if ( tabel != null) {
                        if (requiredata == true) {
                                returnVal = "";
                        } else {        
                                returnVal = "<font color='red'>Data!</font>"; 
                        }
                } else {
                        if (requiredata == true) {
                                returnVal = "<font color='red'>No data</font>"; 
                        } else {
                                returnVal =  "";
                        }
                }
                        
                
                return returnVal;
        }


}
1	package dk.thoerup.traininfoservice.banedk;
2
3	import java.io.IOException;
4	import java.io.PrintWriter;
5	import java.net.URL;
6	import java.net.URLEncoder;
7	import java.util.Map;
8	import java.util.Set;
9	import java.util.TreeMap;
10	import java.util.TreeSet;
11
12	import javax.servlet.ServletException;
13	import javax.servlet.annotation.WebServlet;
14	import javax.servlet.http.HttpServlet;
15	import javax.servlet.http.HttpServletRequest;
16	import javax.servlet.http.HttpServletResponse;
17
18	import org.jsoup.nodes.Document;
19	import org.jsoup.nodes.Element;
20	import org.jsoup.select.Elements;
21
22	import dk.thoerup.android.traininfo.common.StationBean;
23	import dk.thoerup.android.traininfo.common.StationEntry;
24	import dk.thoerup.circuitbreaker.CircuitBreaker;
25	import dk.thoerup.circuitbreaker.CircuitBreakerManager;
26	import dk.thoerup.traininfoservice.db.StationDAO;
27
28	import dk.thoerup.genericjavautils.TimeoutMap;
29
30
31	@WebServlet(urlPatterns={"/CompareStations"})
32	public class CompareStations extends HttpServlet {
33	private static final long serialVersionUID = 1L;
34
35	Map<String,String> cache = new TimeoutMap<String,String>(600 * 1000);
36
37	protected void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
38	try {
39	String data = "";
40	String uri = request.getParameter("uri");
41
42	if (uri != null) {
43	boolean require = Boolean.parseBoolean( request.getParameter("requiredata") );
44	data = hasData(uri, require);
45	} else {
46	data = getData(request);
47	}
48
49	PrintWriter out = response.getWriter();
50	out.print(data);
51
52	} catch (Exception e) {
53	throw new ServletException(e);
54	}
55	}
56
57	String getData(HttpServletRequest request) throws Exception {
58	CircuitBreaker cb = CircuitBreakerManager.getManager().getCircuitBreaker("banedk");
59
60	JsoupInvocation jsoup = new JsoupInvocation(new URL("http://trafikinfo.bane.dk/Trafikinformation/Stationsliste"), 5000);
61
62	Map<String,String> banedkStations = new TreeMap<String,String>();
63	Set<String> dbStations = new TreeSet<String>();
64
65	StringBuilder sb = new StringBuilder();
66	sb.append("<html>");
67	sb.append("<head>");
68	sb.append("<script type='text/javascript' src='https://ajax.googleapis.com/ajax/libs/jquery/1.7.1/jquery.min.js'></script>\n");
69	sb.append("<script type='text/javascript' src='compareloader.js'></script>\n");
70
71	sb.append("</head>");
72	sb.append("<body>");
73
74	StationDAO dao = new StationDAO();
75
76	try {
77	Document doc = (Document) cb.invoke(jsoup);
78
79	Elements tables = doc.getElementsByClass("Oversigt");
80
81	for(Element e : tables) {
82	if (e.tagName().equals("table") ){
83	Elements links = e.getElementsByTag("a");
84	for (Element link : links) {
85	banedkStations.put( link.text(), link.attr("href") );
86	}
87	}
88	}
89
90	sb.append("<h2>Active stations in DB</h2>\n");
91	sb.append("<ul>");
92
93	StationBean bean = dao.dumpAll();
94	for (StationEntry station : bean.entries) {
95	if (station.isRegional() \|\| station.isStrain()) {
96	if (station.isRegional() ) {
97	//String id = URLEncoder.encode(station.getRegional(), "ISO-8859-1");
98	String id = station.getRegional();
99	String uri = "/Trafikinformation/AfgangAnkomst/Afgang/" + id + "/Fjerntog";
100
101
102	sb.append( "<li><a target='_blank' href='http://trafikinfo.bane.dk" + uri + "'>" + station.getName() + "</a> <span class='uri' requiredata='true' uri='" + uri + "'></span> </li>\n" );
103	}
104	if (station.isStrain() ) {
105	//String id = URLEncoder.encode(station.getStrain(), "ISO-8859-1");
106	String id = station.getStrain();
107	String uri = "/Trafikinformation/AfgangAnkomst/Afgang/" + id + "/S-Tog";
108
109
110	sb.append( "<li><a target='_blank' href='http://trafikinfo.bane.dk" + uri + "'>" + station.getName() + "</a> <span class='uri' requiredata='true' uri='" + uri + "'></span> </li>\n" );
111	}
112
113	dbStations.add(station.getName());
114	}
115	}
116	sb.append("</ul>\n");
117
118	} catch (Exception e) {
119	throw new ServletException(e);
120	}
121
122
123
124	sb.append("<h2>stations on website not in db</h2>\n");
125	sb.append("<ul>");
126	Set<String> tmpDbStations = new TreeSet<String>( dbStations );
127	Set<String> tmpBanedkStations = new TreeSet<String>( banedkStations.keySet()) ;
128	tmpBanedkStations.removeAll(tmpDbStations);
129
130
131
132	for(String s : tmpBanedkStations) {
133	String uri = banedkStations.get(s);
134	String disabled = "";
135	//String data = hasData(uri, false);
136
137	try {
138	boolean tmpdisabled = dao.hasDisabledStation(s);
139	if (tmpdisabled == true)
140	disabled = " - disabled";
141	} catch (Exception e) {
142	throw new ServletException(e);
143	}
144
145	sb.append( "<li><a target='_blank' href='http://trafikinfo.bane.dk" + uri + "'>" + s + "</a> <span class='uri' requiredata='false' uri='" + uri + "'></span>" + disabled + "</li>\n" );
146	}
147	sb.append("</ul>");
148
149
150	sb.append("<h2>stations in db not on website </h2>");
151	sb.append("<ul>");
152	tmpDbStations = new TreeSet<String>( dbStations );
153	tmpBanedkStations = new TreeSet<String>( banedkStations.keySet() ) ;
154	tmpDbStations.removeAll(tmpBanedkStations);
155	for(String s : tmpDbStations) {
156	sb.append( "<li>" + s + "</li>\n" );
157	}
158	sb.append("</ul>");
159
160	sb.append("</body></html>\n");
161
162	return sb.toString();
163
164	}
165
166	String hasData(String uri, boolean requiredata) {
167	String key = uri + requiredata;
168
169	String data = cache.get(key);
170	if (data == null) {
171
172	data = "<font color='yellow'>unknown</font>";
173	try {
174	data = hasDataWorker(uri,requiredata);
175	cache.put(key,data);
176	} catch (Exception e) {
177	System.out.println( e.getMessage() );
178	}
179	}
180	return data;
181	}
182
183	String hasDataWorker(String uri, boolean requiredata) throws Exception {
184	String returnVal = "";
185
186	String parts[] = uri.split("\\/");
187	String id = URLEncoder.encode(parts[4], "ISO-8859-1");
188	String uri2 = "/TrafikInformation/AfgangAnkomst/Afgang/" + id + "/" + parts[5];
189
190	CircuitBreaker cb = CircuitBreakerManager.getManager().getCircuitBreaker("banedk");
191
192	JsoupInvocation jsoup = new JsoupInvocation(new URL("http://trafikinfo.bane.dk" + uri2), 2000);
193
194	Document doc = (Document) cb.invoke(jsoup);
195
196	Element tabel = doc.getElementById("afgangtabel");
197	if ( tabel != null) {
198	if (requiredata == true) {
199	returnVal = "";
200	} else {
201	returnVal = "<font color='red'>Data!</font>";
202	}
203	} else {
204	if (requiredata == true) {
205	returnVal = "<font color='red'>No data</font>";
206	} else {
207	returnVal = "";
208	}
209	}
210
211
212	return returnVal;
213	}
214
215
216	}