<%@page import="org.openisis.*,java.io.IOException,java.util.Date"%>
<%!
static final String EMPTY = "";
static Db[] dbs = new Db[2];
static String dberr = EMPTY;
static {
try {
String[] args = new String[] { "-v", "error", "-encoding", "Cp850" };
dbs[0] = Db.open( "/var/db/cds/cds", args );
args = new String[] { "-v", "error", "-format", "aligned" };
dbs[1] = Db.open( "/var/db/unesb/unesb", args );
} catch (IOException e) {
e.printStackTrace();
dberr = e.toString();
}
};
static String NV ( String x ) { return null==x ? EMPTY : x; }
static int ROWS = 5; // number of rows to show at once
%>
<%
String search = NV( request.getParameter( "search" ) );
int off = 0;
int rows = ROWS;
int dbnum = -1;
try {
off = Integer.parseInt( request.getParameter( "off" ) );
} catch ( Exception e ) {}
try {
dbnum = Integer.parseInt( request.getParameter( "db" ) );
if ( dbs.length <= dbnum )
dbnum = -1;
} catch ( Exception e ) { }
if ( 0 > dbnum )
try {
dbnum = Integer.parseInt( (String)session.getAttribute( "db" ) );
} catch ( Exception e ) { dbnum = 0; }
else
session.setAttribute( "db", ""+dbnum );
Db db = dbs[dbnum];
try {
rows = Integer.parseInt( request.getParameter( "rows" ) );
} catch ( Exception e ) {}
int[] set = (int[])session.getAttribute( "set" );
%>
<html>
<head>
<title>OpenIsis JSP demo</title>
</head>
<body>
<%= dberr %>
<form action="Demo.jsp">
<input type="text" name="search" value="<%=search%>"/>
<input type="checkbox" name="narrow" value="1"/> narrow previous search
<input type="submit" name="action" value="search"/>
<input type="text" name="rows" size="2" value="<%=rows%>"/> rows at once
in
<select name="db">
<option value="0"<%= 0==dbnum ? " selected" : ""%>>cds</option>
<option value="1"<%= 1==dbnum ? " selected" : ""%>>unesb</option>
</select>
</form>
<b>
Note: $,"",*,+,^,(F),(G),..,$$,/(tag) are supported.
Queries are processed straight left to right.
</b>
<p>
<%
if ( EMPTY != search ) {
long then = (new Date()).getTime();
int[] nset = db.search( search, Db.QRY_SIMPLE );
long now = (new Date()).getTime();
if ( null == nset ) {
%>
sorry, no results for <%=search%>
<%
session.removeAttribute( "set" );
return;
} else {
%>
got <%=nset.length%> rows for <%=search%>
in <%=(now - then)/1000.%> seconds.<br>
<%
if ( null == set || null == request.getParameter("narrow") )
set = nset;
else { // and sets
set = Db.AND( set, nset );
%>
<%=set.length%> rows remaining after combine with previous search<br>
<%
}
session.setAttribute( "set", set );
}
} // EMPTY != search
if ( null == set )
return;
if ( 0 < off ) {
int boff = off-rows;
if ( boff < 0 ) boff = 0;
%>
<a href="Demo.jsp?off=<%=boff%>&rows=<%=rows%>"><<rows <%=boff+1%> to <%=boff+rows%></a>
<%
}
int end = off + rows;
if ( end >= set.length )
end = set.length;
else {
%>
<a href="Demo.jsp?off=<%=end%>&rows=<%=rows%>">rows <%=end+1%> to <%=end+rows%>>></a>
<%
}
%>
<h4> rows <%=off+1%> to <%=end%> </h4>
<%-- start output --%>
<%
if ( 0 == dbnum ) {
for ( int i=off; i<end; i++ ) {
Rec r = db.readRow( set[i] );
if ( null == r ) continue;
int m = Db.MDL | Db.PS | Db.HTA;
String r13 = "<br> ", s = "<br>";
%>
<p>
MFN : <%= r.getRowId() %><br>
<%= r.v("CONFERENCE : ",null,12,m,0,0,r13,s) %>
<%= r.v("TITLE : ",null,24,m,0,0,r13,s) %>
<%= r.v("AUTHOR(S) : ",null,14,m,0,0,"; "+r13+" ",s) %>
<%= r.v("EDITION : ",null,25,m,0,0,r13,s) %>
<%= r.v("IMPRINT : ",null,26,m,0,0,r13,s) %>
<%= r.v("COLLATION : ",null,30,m,0,0,r13,s) %>
<%= r.v("SERIES : ",null,44,m,0,0,r13,s) %>
<%= r.v("NOTES : ",null,50,m,0,0,r13,s) %>
<%= r.v("CORP. BODY : ",null,71,m,0,0,r13,s) %>
<%= r.v("ADDED CONF : ",null,72,m,0,0,r13,s) %>
<%= r.v("OTHER TITLE: ",null,74,m,0,0,r13,s) %>
<%= r.v("OTHER LANG : ",null,76,m|'*',0,0,r13,s) %>
<%= r.v("KEYWORDS : ",null,69,m,0,0,r13,s) %>
<%
}
} else {
%>
<table cols="4" width="100%">
<tr>
<td width="20"> </td>
<td width="20"> </td>
<td width="20"> </td>
<td> </td>
</tr>
<%
for ( int i=off; i<end; i++ ) {
Rec r = db.readRow( set[i] );
if ( null == r ) {
%>
<tr>
<td colspan="4">
skip bad row <%=set[i]%> as <%=i+1%> of <%=set.length%>
</td>
</tr>
<%
continue;
}
int id = r.getRowId();
int l = r.getLen();
%>
<tr>
<td colspan="4">
row <%=id%> with <%=l%> fields as <%=i+1%> of <%=set.length%>
</td>
</tr>
<%
for ( int j=0; j<l; j++ ) {
Field f = r.getField(j);
%>
<tr>
<td> <%=id%> </td>
<td> <%=f.tag%> </td>
<td> </td>
<td> <%=f.html()%> </td>
</tr>
<%
if ( '^' == f.val.charAt(0) ) {
Field[] s = f.split();
if ( null == s )
continue;
for ( int k=0; k<s.length; k++ ) {
if ( null == s[k] )
continue;
%>
<tr>
<td> <%=id%> </td>
<td> <%=f.tag%> </td>
<td> <%=(char)s[k].tag%> </td>
<td> <%=s[k].html()%> </td>
</tr>
<%
} // for subfields
} // if subfields
} // for fields
} // for rows
%>
</table>
<% } %>
</body>
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