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package javax.sql.rowset.spi;

import java.sql.SQLException;
import java.io.Reader;

import javax.sql.RowSetReader;
import javax.sql.rowset.*;


A specialized interface that facilitates an extension of the
SyncProvider abstract class for XML orientated
synchronization providers.


SyncProvider  implementations that supply XML data reader
capabilities such as output XML stream capabilities can implement this
interface to provide standard XmlReader objects to
WebRowSet implementations.


An XmlReader object is registered as the
XML reader for a WebRowSet by being assigned to the
rowset's xmlReader field. When the WebRowSet
object's readXml method is invoked, it in turn invokes
its XML reader's readXML method.

Since:1.5
/**
 * A specialized interface that facilitates an extension of the
 * <code>SyncProvider</code> abstract class for XML orientated
 * synchronization providers.
 * <P>
 * <code>SyncProvider</code>  implementations that supply XML data reader
 * capabilities such as output XML stream capabilities can implement this
 * interface to provide standard <code>XmlReader</code> objects to
 * <code>WebRowSet</code> implementations.
 * <p>
 * An <code>XmlReader</code> object is registered as the
 * XML reader for a <code>WebRowSet</code> by being assigned to the
 * rowset's <code>xmlReader</code> field. When the <code>WebRowSet</code>
 * object's <code>readXml</code> method is invoked, it in turn invokes
 * its XML reader's <code>readXML</code> method.
 *
 * @since 1.5
 */
public interface XmlReader extends RowSetReader {

  
Reads and parses the given WebRowSet object from the given
input stream in XML format. The xmlReader field of the
given WebRowSet object must contain this
XmlReader object.


If a parsing error occurs, the exception that is thrown will
include information about the location of the error in the
original XML document.

Params:
  • caller – the WebRowSet object to be parsed, whose
       xmlReader field must contain a reference to
       this XmlReader object
  • reader – the java.io.Reader object from which
       caller will be read
Throws:
  • SQLException – if a database access error occurs or
           this XmlReader object is not the reader
           for the given rowset
/**
   * Reads and parses the given <code>WebRowSet</code> object from the given
   * input stream in XML format. The <code>xmlReader</code> field of the
   * given <code>WebRowSet</code> object must contain this
   * <code>XmlReader</code> object.
   * <P>
   * If a parsing error occurs, the exception that is thrown will
   * include information about the location of the error in the
   * original XML document.
   *
   * @param caller the <code>WebRowSet</code> object to be parsed, whose
   *        <code>xmlReader</code> field must contain a reference to
   *        this <code>XmlReader</code> object
   * @param reader the <code>java.io.Reader</code> object from which
   *        <code>caller</code> will be read
   * @throws SQLException if a database access error occurs or
   *            this <code>XmlReader</code> object is not the reader
   *            for the given rowset
   */
  public void readXML(WebRowSet caller, java.io.Reader reader)
    throws SQLException;

}