/* * Licensed to the Apache Software Foundation (ASF) under one or more * contributor license agreements. See the NOTICE file distributed with * this work for additional information regarding copyright ownership. * The ASF licenses this file to You under the Apache License, Version 2.0 * (the "License"); you may not use this file except in compliance with * the License. You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */ package ro.nextreports.designer.querybuilder; import org.apache.commons.logging.Log; import org.apache.commons.logging.LogFactory; import ro.nextreports.engine.queryexec.QueryResult; /** * This class uses a scrolling cursor, a JDBC 2 feature. * * @author Decebal Suiu */ public class ScrollingResultSetTableModel extends ResultSetTableModel { private static final Log LOG = LogFactory.getLog(ScrollingResultSetTableModel.class); public ScrollingResultSetTableModel(QueryResult result) { super(result); } /** * Obtain value in particular row and column. */ public Object getValueAt(int row, int column) { if (result == null) { return null; } if (isBlobColumn(column)) { return BLOB_VALUE; } else if (isClobColumn(column)) { return CLOB_VALUE; } try { Object value = result.getValueAt(row, column); if (value == null) { return NULL_VALUE; } return value; } catch (Exception e) { LOG.error(e.getMessage(), e); e.printStackTrace(); // throw new IllegalStateException(e); } return ""; } /** * Return number of rows. */ public int getRowCount() { if (result == null) { return 0; } return result.getRowCount(); } }