Spring Framework example source code file (ResultSetWrappingSqlRowSetMetaData.java)

This example Spring Framework source code file (ResultSetWrappingSqlRowSetMetaData.java) is included in the DevDaily.com "Java Source Code Warehouse" project. The intent of this project is to help you "Learn Java by Example" ^TM.

Java - Spring Framework tags/keywords

invalidresultsetaccessexception, invalidresultsetaccessexception, jdbc, resultsetmetadata, resultsetwrappingsqlrowsetmetadata, resultsetwrappingsqlrowsetmetadata, sql, sqlexception, sqlexception, sqlrowsetmetadata, string, string

The Spring Framework ResultSetWrappingSqlRowSetMetaData.java source code

/*
 * Copyright 2002-2005 the original author or authors.
 *
 * Licensed 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 org.springframework.jdbc.support.rowset;

import java.sql.ResultSetMetaData;
import java.sql.SQLException;

import org.springframework.jdbc.InvalidResultSetAccessException;

/**
 * Default implementation of Spring's SqlRowSetMetaData interface.
 * Used by ResultSetWrappingSqlRowSet.
 *
 * <p>This implementation wraps a javax.sql.ResultSetMetaData
 * instance, catching any SQLExceptions and translating them to the
 * appropriate Spring DataAccessException.
 *
 * @author Thomas Risberg
 * @author Juergen Hoeller
 * @since 1.2
 * @see ResultSetWrappingSqlRowSet#getMetaData
 */
public class ResultSetWrappingSqlRowSetMetaData implements SqlRowSetMetaData {

	private final ResultSetMetaData resultSetMetaData;

	private String[] columnNames;


	/**
	 * Create a new ResultSetWrappingSqlRowSetMetaData object
	 * for the given ResultSetMetaData instance.
	 * @param resultSetMetaData a disconnected ResultSetMetaData instance
	 * to wrap (usually a <code>javax.sql.RowSetMetaData instance)
	 * @see java.sql.ResultSet#getMetaData
	 * @see javax.sql.RowSetMetaData
	 * @see ResultSetWrappingSqlRowSet#getMetaData
	 */
	public ResultSetWrappingSqlRowSetMetaData(ResultSetMetaData resultSetMetaData) {
		this.resultSetMetaData = resultSetMetaData;
	}


	public String getCatalogName(int column) throws InvalidResultSetAccessException {
		try {
			return this.resultSetMetaData.getCatalogName(column);
		}
		catch (SQLException se) {
			throw new InvalidResultSetAccessException(se);
		}
	}
	
	public String getColumnClassName(int column) throws InvalidResultSetAccessException {
		try {
			return this.resultSetMetaData.getColumnClassName(column);
		}
		catch (SQLException se) {
			throw new InvalidResultSetAccessException(se);
		}
	}

	public int getColumnCount() throws InvalidResultSetAccessException {
		try {
			return this.resultSetMetaData.getColumnCount();
		}
		catch (SQLException se) {
			throw new InvalidResultSetAccessException(se);
		}
	}

	public String[] getColumnNames() throws InvalidResultSetAccessException {
		if (this.columnNames == null) {
			this.columnNames = new String[getColumnCount()];
			for (int i = 0; i < getColumnCount(); i++) {
				this.columnNames[i] = getColumnName(i + 1);
			}
		}
		return this.columnNames;
	}

	public int getColumnDisplaySize(int column) throws InvalidResultSetAccessException {
		try {
			return this.resultSetMetaData.getColumnDisplaySize(column);
		}
		catch (SQLException se) {
			throw new InvalidResultSetAccessException(se);
		}
	}

	public String getColumnLabel(int column) throws InvalidResultSetAccessException {
		try {
			return this.resultSetMetaData.getColumnLabel(column);
		}
		catch (SQLException se) {
			throw new InvalidResultSetAccessException(se);
		}
	}

	public String getColumnName(int column) throws InvalidResultSetAccessException {
		try {
			return this.resultSetMetaData.getColumnName(column);
		}
		catch (SQLException se) {
			throw new InvalidResultSetAccessException(se);
		}
	}

	public int getColumnType(int column) throws InvalidResultSetAccessException {
		try {
			return this.resultSetMetaData.getColumnType(column);
		}
		catch (SQLException se) {
			throw new InvalidResultSetAccessException(se);
		}
	}

	public String getColumnTypeName(int column) throws InvalidResultSetAccessException {
		try {
			return this.resultSetMetaData.getColumnTypeName(column);
		}
		catch (SQLException se) {
			throw new InvalidResultSetAccessException(se);
		}
	}

	public int getPrecision(int column) throws InvalidResultSetAccessException {
		try {
			return this.resultSetMetaData.getPrecision(column);
		}
		catch (SQLException se) {
			throw new InvalidResultSetAccessException(se);
		}
	}

	public int getScale(int column) throws InvalidResultSetAccessException {
		try {
			return this.resultSetMetaData.getScale(column);
		}
		catch (SQLException se) {
			throw new InvalidResultSetAccessException(se);
		}
	}

	public String getSchemaName(int column) throws InvalidResultSetAccessException {
		try {
			return this.resultSetMetaData.getSchemaName(column);
		}
		catch (SQLException se) {
			throw new InvalidResultSetAccessException(se);
		}
	}

	public String getTableName(int column) throws InvalidResultSetAccessException {
		try {
			return this.resultSetMetaData.getTableName(column);
		}
		catch (SQLException se) {
			throw new InvalidResultSetAccessException(se);
		}
	}

	public boolean isCaseSensitive(int column) throws InvalidResultSetAccessException {
		try {
			return this.resultSetMetaData.isCaseSensitive(column);
		}
		catch (SQLException se) {
			throw new InvalidResultSetAccessException(se);
		}
	}

	public boolean isCurrency(int column) throws InvalidResultSetAccessException {
		try {
			return this.resultSetMetaData.isCurrency(column);
		}
		catch (SQLException se) {
			throw new InvalidResultSetAccessException(se);
		}
	}

	public boolean isSigned(int column) throws InvalidResultSetAccessException {
		try {
			return this.resultSetMetaData.isSigned(column);
		}
		catch (SQLException se) {
			throw new InvalidResultSetAccessException(se);
		}
	}
	
}