thoerup/marketstats/ShowStats.java

package dk.thoerup.marketstats;

import java.io.IOException;
import java.io.PrintWriter;
import java.net.InetSocketAddress;
import java.util.ArrayList;
import java.util.Collections;
import java.util.Date;
import java.util.Locale;
import java.util.logging.Logger;

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

import net.spy.memcached.MemcachedClient;

import com.gc.android.market.api.MarketSession;
import com.gc.android.market.api.model.Market.AppsRequest;
import com.gc.android.market.api.model.Market.CommentsRequest;


public class ShowStats extends HttpServlet {
        private static final long serialVersionUID = 1L;

        final int TIMEOUT = 30*60;
        static final Logger log = Logger.getLogger(ShowStats.class.getName());

        String login;
        String password;


        @Override
        public void init() throws ServletException {
                super.init();

                login = getServletContext().getInitParameter("login");
                password = getServletContext().getInitParameter("password");
        }

        protected String doLookup(String appId) throws IOException {
                MemcachedClient c = new MemcachedClient(new InetSocketAddress("localhost", 11211));


                String key = "marketstats:" + appId;
                String response = (String) c.get(key);

                if (response == null) {
                        response = doLookupWorker(appId);
                        c.set(key, TIMEOUT, response); 
                        response += "<!-- new lookup -->";
                } else {
                        response += "<!-- from memcached -->";
                }
                return response;
        }
        
        private void loadComments(String appId, MarketSession session, String locale, ArrayList<CommentBean> commentBeans) {            
                CommentCallback commentsCb = new CommentCallback();
                commentsCb.setList( commentBeans ); 

                commentsCb.setLocale( locale );
                session.setLocale( new Locale(locale) );
                
                
                int start = 0;
                do {
                        int count = 10;
                        if (start > 0)                          
                                count = Math.min(10, commentsCb.getEntryCount() );
                        
                        //log.warning("count=" + count + " start=" + start + " " + locale);
                        CommentsRequest commentsRequest = CommentsRequest.newBuilder()
                        .setAppId(appId)
                        .setStartIndex(start)
                        .setEntriesCount(count)
                        .build();
                        
                        session.append(commentsRequest, commentsCb);
                        session.flush();
                        start +=10;
                        
                        if (start >= 30)
                                break; //emergency brake
                        
                } while ( start < commentsCb.getEntryCount() );
        }


        protected String doLookupWorker(String appId) {
                final StringBuilder sb = new StringBuilder();


                MarketSession session = new MarketSession();
                session.login(login,password);


                AppsRequest appsRequest = AppsRequest.newBuilder()
                .setAppId(appId)
                .setStartIndex(0).setEntriesCount(10)
                .setWithExtendedInfo(true)
                .build();


                AppsCallback appsCb = new AppsCallback() ;
                appsCb.setStringBuffer(sb);

                ArrayList<CommentBean> commentBeans = new ArrayList<CommentBean>();


                session.append(appsRequest, appsCb);
                session.flush();

                loadComments(appId, session, "da", commentBeans);
                loadComments(appId, session, "en", commentBeans);

                Collections.sort(commentBeans);

                sb.append("-----------------------------------------------------------------\n");
                for (CommentBean c : commentBeans) {
                        sb.append("User: " + c.author + " ("  + c.locale + ")\n");
                        sb.append("Rating: " + c.rating + "\n");
                        sb.append("Time: " + new Date(c.time).toString() + "\n");
                        sb.append( c.text + "\n");
                        sb.append("\n");

                }
                sb.append("Comments: " + commentBeans.size() );


                return sb.toString();
        }

        protected void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
                String appId = request.getParameter("appId");

                response.setContentType("text/html");
                PrintWriter out = response.getWriter();
                out.print( "<html><body><pre>" + doLookup(appId) + "</pre></body></html>" );
        }

}
1	torben	659	package dk.thoerup.marketstats;
2
3			import java.io.IOException;
4			import java.io.PrintWriter;
5			import java.net.InetSocketAddress;
6	torben	662	import java.util.ArrayList;
7			import java.util.Collections;
8	torben	659	import java.util.Date;
9			import java.util.Locale;
10			import java.util.logging.Logger;
11
12			import javax.servlet.ServletException;
13			import javax.servlet.http.HttpServlet;
14			import javax.servlet.http.HttpServletRequest;
15			import javax.servlet.http.HttpServletResponse;
16
17			import net.spy.memcached.MemcachedClient;
18
19			import com.gc.android.market.api.MarketSession;
20			import com.gc.android.market.api.model.Market.AppsRequest;
21			import com.gc.android.market.api.model.Market.CommentsRequest;
22
23
24	torben	664
25	torben	659	public class ShowStats extends HttpServlet {
26			private static final long serialVersionUID = 1L;
27
28	torben	662	final int TIMEOUT = 30*60;
29	torben	659	static final Logger log = Logger.getLogger(ShowStats.class.getName());
30
31			String login;
32			String password;
33
34
35			@Override
36			public void init() throws ServletException {
37			super.init();
38
39			login = getServletContext().getInitParameter("login");
40			password = getServletContext().getInitParameter("password");
41			}
42
43			protected String doLookup(String appId) throws IOException {
44			MemcachedClient c = new MemcachedClient(new InetSocketAddress("localhost", 11211));
45
46	torben	662
47	torben	659	String key = "marketstats:" + appId;
48			String response = (String) c.get(key);
49
50			if (response == null) {
51			response = doLookupWorker(appId);
52			c.set(key, TIMEOUT, response);
53			response += "<!-- new lookup -->";
54			} else {
55			response += "<!-- from memcached -->";
56			}
57			return response;
58			}
59	torben	663
60			private void loadComments(String appId, MarketSession session, String locale, ArrayList<CommentBean> commentBeans) {
61			CommentCallback commentsCb = new CommentCallback();
62			commentsCb.setList( commentBeans );
63	torben	659
64	torben	663	commentsCb.setLocale( locale );
65			session.setLocale( new Locale(locale) );
66
67
68			int start = 0;
69			do {
70			int count = 10;
71			if (start > 0)
72			count = Math.min(10, commentsCb.getEntryCount() );
73
74	torben	664	//log.warning("count=" + count + " start=" + start + " " + locale);
75	torben	663	CommentsRequest commentsRequest = CommentsRequest.newBuilder()
76			.setAppId(appId)
77			.setStartIndex(start)
78			.setEntriesCount(count)
79			.build();
80
81			session.append(commentsRequest, commentsCb);
82			session.flush();
83			start +=10;
84
85			if (start >= 30)
86			break; //emergency brake
87
88			} while ( start < commentsCb.getEntryCount() );
89			}
90	torben	659
91	torben	663
92	torben	659	protected String doLookupWorker(String appId) {
93			final StringBuilder sb = new StringBuilder();
94
95
96			MarketSession session = new MarketSession();
97			session.login(login,password);
98
99	torben	662
100	torben	659	AppsRequest appsRequest = AppsRequest.newBuilder()
101			.setAppId(appId)
102			.setStartIndex(0).setEntriesCount(10)
103			.setWithExtendedInfo(true)
104			.build();
105
106
107	torben	663	AppsCallback appsCb = new AppsCallback() ;
108			appsCb.setStringBuffer(sb);
109	torben	659
110	torben	662	ArrayList<CommentBean> commentBeans = new ArrayList<CommentBean>();
111	torben	659
112
113
114			session.append(appsRequest, appsCb);
115			session.flush();
116	torben	662
117	torben	663	loadComments(appId, session, "da", commentBeans);
118			loadComments(appId, session, "en", commentBeans);
119	torben	659
120	torben	662	Collections.sort(commentBeans);
121
122			sb.append("-----------------------------------------------------------------\n");
123			for (CommentBean c : commentBeans) {
124			sb.append("User: " + c.author + " (" + c.locale + ")\n");
125			sb.append("Rating: " + c.rating + "\n");
126			sb.append("Time: " + new Date(c.time).toString() + "\n");
127			sb.append( c.text + "\n");
128			sb.append("\n");
129
130			}
131	torben	663	sb.append("Comments: " + commentBeans.size() );
132	torben	662
133
134	torben	659	return sb.toString();
135			}
136
137			protected void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
138			String appId = request.getParameter("appId");
139	torben	662
140	torben	660	response.setContentType("text/html");
141	torben	659	PrintWriter out = response.getWriter();
142	torben	660	out.print( "<html><body><pre>" + doLookup(appId) + "</pre></body></html>" );
143	torben	659	}
144
145			}