git.rot13.org Git - webpac/blob - openisis/Demo.jsp

   1 <%@page import="org.openisis.*,java.io.IOException,java.util.Date"%>
   2 <%!
   3         static final String EMPTY = "";
   4         static Db[] dbs = new Db[2];
   5         static String dberr = EMPTY;
   6         static {
   7                 try {
   8                         String[] args = new String[] { "-v", "error", "-encoding", "Cp850" };
   9                         dbs[0] = Db.open( "/var/db/cds/cds", args );
  10                         args = new String[] { "-v", "error", "-format", "aligned" };
  11                         dbs[1] = Db.open( "/var/db/unesb/unesb", args );
  12                 } catch (IOException e) {
  13                         e.printStackTrace();
  14                         dberr = e.toString();
  15                 }
  16         };
  17         static String NV ( String x ) { return null==x ? EMPTY : x; }
  18         static int ROWS = 5; // number of rows to show at once
  19 %>
  20 <%
  21         String search = NV( request.getParameter( "search" ) );
  22         int off = 0;
  23         int rows = ROWS;
  24         int dbnum = -1;
  25         try {
  26                 off = Integer.parseInt( request.getParameter( "off" ) );
  27         } catch ( Exception e ) {}
  28         try {
  29                 dbnum = Integer.parseInt( request.getParameter( "db" ) );
  30                 if ( dbs.length <= dbnum )
  31                         dbnum = -1;
  32         } catch ( Exception e ) { }
  33         if ( 0 > dbnum )
  34                 try {
  35                         dbnum = Integer.parseInt( (String)session.getAttribute( "db" ) );
  36                 } catch ( Exception e ) { dbnum = 0; }
  37         else
  38                 session.setAttribute( "db", ""+dbnum );
  39         Db db = dbs[dbnum];
  40         try {
  41                 rows = Integer.parseInt( request.getParameter( "rows" ) );
  42         } catch ( Exception e ) {}
  43         int[] set = (int[])session.getAttribute( "set" );
  44 %>
  45 <html>
  46 <head>
  47   <title>OpenIsis JSP demo</title>
  48 </head>
  49 <body>
  50         <%= dberr %>
  51         <form action="Demo.jsp">
  52                 <input type="text" name="search" value="<%=search%>"/>
  53                 <input type="checkbox" name="narrow" value="1"/> narrow previous search
  54                 <input type="submit" name="action" value="search"/>
  55                 <input type="text" name="rows" size="2" value="<%=rows%>"/> rows at once
  56                 in
  57                 <select name="db">
  58                 <option value="0"<%= 0==dbnum ? " selected" : ""%>>cds</option>
  59                 <option value="1"<%= 1==dbnum ? " selected" : ""%>>unesb</option>
  60                 </select>
  61         </form>
  62         <b>
  63         Note: $,"",*,+,^,(F),(G),..,$$,/(tag) are supported.
  64         Queries are processed straight left to right.
  65         </b>
  66 <p>
  67 <%
  68         if ( EMPTY != search ) {
  69                 long then = (new Date()).getTime();
  70                 int[] nset = db.search( search, Db.QRY_SIMPLE );
  71                 long now = (new Date()).getTime();
  72                 if ( null == nset ) {
  73 %>
  74         sorry, no results for <%=search%>
  75 <%
  76                         session.removeAttribute( "set" );
  77                         return;
  78                 } else {
  79 %>
  80         got <%=nset.length%> rows for <%=search%>
  81         in <%=(now - then)/1000.%> seconds.<br>
  82 <%
  83                         if ( null == set || null == request.getParameter("narrow") )
  84                                 set = nset;
  85                         else { // and sets
  86                                 set = Db.AND( set, nset );
  87 %>
  88         <%=set.length%> rows remaining after combine with previous search<br>
  89 <%
  90                         }
  91                         session.setAttribute( "set", set );
  92                 }
  93         } // EMPTY != search
  94         if ( null == set )
  95                 return;
  96         if ( 0 < off ) {
  97                 int boff = off-rows;
  98                 if ( boff < 0 ) boff = 0;
  99 %>
 100                 <a href="Demo.jsp?off=<%=boff%>&rows=<%=rows%>">&lt;&lt;rows <%=boff+1%> to <%=boff+rows%></a>
 101 <%
 102         }
 103         int end = off + rows;
 104         if ( end >= set.length )
 105                 end = set.length;
 106         else {
 107 %>
 108                 <a href="Demo.jsp?off=<%=end%>&rows=<%=rows%>">rows <%=end+1%> to <%=end+rows%>&gt;&gt;</a>
 109 <%
 110         }
 111 %>
 112         <h4> rows <%=off+1%> to <%=end%> </h4>
 113 <%-- start output --%>
 114 <%
 115         if ( 0 == dbnum ) {
 116                 for ( int i=off; i<end; i++ ) {
 117                         Rec r = db.readRow( set[i] );
 118                         if ( null == r ) continue;
 119                         int m = Db.MDL | Db.PS | Db.HTA;
 120                         String r13 = "<br>&nbsp;", s = "<br>";
 121 %>
 122 <p>
 123 MFN        : <%= r.getRowId() %><br>
 124 <%= r.v("CONFERENCE : ",null,12,m,0,0,r13,s) %>
 125 <%= r.v("TITLE      : ",null,24,m,0,0,r13,s) %>
 126 <%= r.v("AUTHOR(S)  : ",null,14,m,0,0,"; "+r13+" ",s) %>
 127 <%= r.v("EDITION    : ",null,25,m,0,0,r13,s) %>
 128 <%= r.v("IMPRINT    : ",null,26,m,0,0,r13,s) %>
 129 <%= r.v("COLLATION  : ",null,30,m,0,0,r13,s) %>
 130 <%= r.v("SERIES     : ",null,44,m,0,0,r13,s) %>
 131 <%= r.v("NOTES      : ",null,50,m,0,0,r13,s) %>
 132 <%= r.v("CORP. BODY : ",null,71,m,0,0,r13,s) %>
 133 <%= r.v("ADDED CONF : ",null,72,m,0,0,r13,s) %>
 134 <%= r.v("OTHER TITLE: ",null,74,m,0,0,r13,s) %>
 135 <%= r.v("OTHER LANG : ",null,76,m|'*',0,0,r13,s) %>
 136 <%= r.v("KEYWORDS   : ",null,69,m,0,0,r13,s) %>
 137 <%
 138                 }
 139         } else {
 140 %>
 141         <table cols="4" width="100%">
 142         <tr>
 143                 <td width="20">&nbsp;</td>
 144                 <td width="20">&nbsp;</td>
 145                 <td width="20">&nbsp;</td>
 146                 <td>&nbsp;</td>
 147         </tr>
 148 <%
 149         for ( int i=off; i<end; i++ ) {
 150                 Rec r = db.readRow( set[i] );
 151                 if ( null == r ) {
 152 %>
 153         <tr>
 154                 <td colspan="4">
 155                         skip bad row <%=set[i]%> as <%=i+1%> of <%=set.length%>
 156                 </td>
 157         </tr>
 158 <%
 159                         continue;
 160                 }
 161                 int id = r.getRowId();
 162                 int l = r.getLen();
 163 %>
 164         <tr>
 165                 <td colspan="4">
 166                         row <%=id%> with <%=l%> fields as <%=i+1%> of <%=set.length%>
 167                 </td>
 168         </tr>
 169 <%
 170                 for ( int j=0; j<l; j++ ) {
 171                         Field f = r.getField(j);
 172 %>
 173         <tr>
 174                 <td> <%=id%> </td>
 175                 <td> <%=f.tag%> </td>
 176                 <td>&nbsp;</td>
 177                 <td> <%=f.html()%> </td>
 178         </tr>
 179 <%
 180                         if ( '^' == f.val.charAt(0) ) {
 181                                 Field[] s = f.split();
 182                                 if ( null == s )
 183                                         continue;
 184                                 for ( int k=0; k<s.length; k++ ) {
 185                                         if ( null == s[k] )
 186                                                 continue;
 187 %>
 188         <tr>
 189                 <td> <%=id%> </td>
 190                 <td> <%=f.tag%> </td>
 191                 <td> <%=(char)s[k].tag%> </td>
 192                 <td> <%=s[k].html()%> </td>
 193         </tr>
 194 <%
 195                                 } // for subfields
 196                         } // if subfields
 197                 } // for fields
 198         } // for rows
 199 %>
 200         </table>
 201 <% } %>
 202 </body>