Java Reference
In-Depth Information
}
protected String wordAfter(String SQLCmd, String after){
String word = SQLCmd.substring(SQLCmd.indexOf(after)+
after.length()).trim();
if(word.indexOf(" ")>-1)word = word.substring(0,word.indexOf(" "));
return word.trim();
}
}
The XMLQuery class
The
XMLQuery
class extends the basic
XMLCommand
class. An
XMLQuery
object is created by the
XMLStatement
when the
Statement.executeQuery()
method is called. In its constructor,
XMLQuery
calls the
parseSQLCmd()
method of its base class.
Listing 19-10
shows the
XMLQuery
class.
Listing 19-10: XMLQuery class
package JavaDatabaseBible.ch19.JDBCforXML;
import java.io.*;
import java.util.StringTokenizer;
import java.util.Vector;
import java.sql.SQLException;
import org.w3c.dom.Document;
import org.w3c.dom.Element;
import org.w3c.dom.NodeList;
import org.w3c.dom.Node;
import org.xml.sax.InputSource;
import org.apache.xerces.parsers.DOMParser;
/**
* XMLQuery extends XMLCommand to provide XL specific query processing
*/
public class XMLQuery extends XMLCommand{
private Document xmlDoc;
public XMLQuery(String SQLString) {
this.SQLString = SQLString.toUpperCase().trim();
parseSQLCmd(SQLString);
}
// process xml doc and build ResultSet doc
public XMLResultSet processDoc(Document xmlDoc) throws SQLException{
