Example usage for org.springframework.jdbc.support MetaDataAccessException MetaDataAccessException

Introduction

In this page you can find the example usage for org.springframework.jdbc.support MetaDataAccessException MetaDataAccessException.

Prototype

public MetaDataAccessException(String msg, Throwable cause) 

Source Link

Document

Constructor for MetaDataAccessException.

Usage

From source file:org.springframework.jdbc.support.JdbcUtils.java

/**
 * Call the specified method on DatabaseMetaData for the given DataSource,
 * and extract the invocation result./*from  ww w.ja v  a 2s  . c om*/
 * @param dataSource the DataSource to extract meta data for
 * @param metaDataMethodName the name of the DatabaseMetaData method to call
 * @return the object returned by the specified DatabaseMetaData method
 * @throws MetaDataAccessException if we couldn't access the DatabaseMetaData
 * or failed to invoke the specified method
 * @see java.sql.DatabaseMetaData
 */
@SuppressWarnings("unchecked")
public static <T> T extractDatabaseMetaData(DataSource dataSource, final String metaDataMethodName)
        throws MetaDataAccessException {

    return (T) extractDatabaseMetaData(dataSource, dbmd -> {
        try {
            Method method = DatabaseMetaData.class.getMethod(metaDataMethodName, (Class[]) null);
            return method.invoke(dbmd, (Object[]) null);
        } catch (NoSuchMethodException ex) {
            throw new MetaDataAccessException("No method named '" + metaDataMethodName
                    + "' found on DatabaseMetaData instance [" + dbmd + "]", ex);
        } catch (IllegalAccessException ex) {
            throw new MetaDataAccessException(
                    "Could not access DatabaseMetaData method '" + metaDataMethodName + "'", ex);
        } catch (InvocationTargetException ex) {
            if (ex.getTargetException() instanceof SQLException) {
                throw (SQLException) ex.getTargetException();
            }
            throw new MetaDataAccessException(
                    "Invocation of DatabaseMetaData method '" + metaDataMethodName + "' failed", ex);
        }
    });
}

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