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Avoid a hard dependency on Sun's CachedRowSetImpl class

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This commit is contained in:
Juergen Hoeller
2012-11-25 22:21:01 +01:00
parent 0deacb9fa1
commit f4532ad704
1 changed files with 17 additions and 5 deletions
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22
org.springframework.jdbc/src/main/java/org/springframework/jdbc/core/SqlRowSetResultSetExtractor.java
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@@ -1,5 +1,5 @@
/*
* Copyright 2002-2011 the original author or authors.
* Copyright 2002-2012 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.
@@ -28,8 +28,8 @@ import org.springframework.jdbc.support.rowset.SqlRowSet;
import org.springframework.util.ReflectionUtils;
/**
* ResultSetExtractor implementation that returns a Spring SqlRowSet
* representation for each given ResultSet.
* {@link ResultSetExtractor} implementation that returns a Spring {@link SqlRowSet}
* representation for each given {@link ResultSet}.
*
* <p>The default implementation uses a standard JDBC CachedRowSet underneath.
* This means that JDBC RowSet support needs to be available at runtime:
@@ -88,8 +88,9 @@ public class SqlRowSetResultSetExtractor implements ResultSetExtractor<SqlRowSet
/**
* Create a new CachedRowSet instance, to be populated by
* the <code>createSqlRowSet</code> implementation.
* <p>The default implementation creates a new instance of
* Sun's <code>com.sun.rowset.CachedRowSetImpl</code> class.
* <p>The default implementation uses JDBC 4.1's RowSetProvider
* when running on JDK 7 or higher, falling back to Sun's
* <code>com.sun.rowset.CachedRowSetImpl</code> class on older JDKs.
* @return a new CachedRowSet instance
* @throws SQLException if thrown by JDBC methods
* @see #createSqlRowSet
@@ -101,6 +102,17 @@ public class SqlRowSetResultSetExtractor implements ResultSetExtractor<SqlRowSet
return (CachedRowSet) ReflectionUtils.invokeJdbcMethod(createCachedRowSet, rowSetFactory);
}
else {
return SunCachedRowSetFactory.createCachedRowSet();
}
}
/**
* Inner class to avoid a hard dependency on Sun's CachedRowSetImpl class.
*/
private static class SunCachedRowSetFactory {
public static CachedRowSet createCachedRowSet() throws SQLException {
return new CachedRowSetImpl();
}
}