added static newInstance method to BeanPropertyRowMapper (SPR-6433); aligned ParameterizedBeanPropertyRowMapper factory methods

Author: jhoeller

org.springframework.jdbc/src/main/java/org/springframework/jdbc/core/BeanPropertyRowMapper.java

@@ -1,5 +1,5 @@
 /*
- * Copyright 2002-2008 the original author or authors.
+ * Copyright 2002-2009 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.
@@ -100,6 +100,8 @@ public BeanPropertyRowMapper() {
 	/**
 	 * Create a new BeanPropertyRowMapper, accepting unpopulated properties
 	 * in the target bean.
+	 * <p>Consider using the {@link #newInstance} factory method instead,
+	 * which allows for specifying the mapped type once only.
 	 * @param mappedClass the class that each row should be mapped to
 	 */
 	public BeanPropertyRowMapper(Class<T> mappedClass) {
@@ -204,22 +206,23 @@ public boolean isCheckFullyPopulated() {
 	}
 
 	/**
-	 * Set whether we're defaulting Java primitives in the case of mapping a null value from corresponding
-	 * database fields.
+	 * Set whether we're defaulting Java primitives in the case of mapping a null value
+	 * from corresponding database fields.
 	 * <p>Default is <code>false</code>, throwing an exception when nulls are mapped to Java primitives.
 	 */
-	public boolean isPrimitivesDefaultedForNullValue() {
-		return primitivesDefaultedForNullValue;
+	public void setPrimitivesDefaultedForNullValue(boolean primitivesDefaultedForNullValue) {
+		this.primitivesDefaultedForNullValue = primitivesDefaultedForNullValue;
 	}
 
 	/**
-	 * Return whether we're defaulting Java primitives in the case of mapping a null value from corresponding
-	 * database fields.
+	 * Return whether we're defaulting Java primitives in the case of mapping a null value
+	 * from corresponding database fields.
 	 */
-	public void setPrimitivesDefaultedForNullValue(boolean primitivesDefaultedForNullValue) {
-		this.primitivesDefaultedForNullValue = primitivesDefaultedForNullValue;
+	public boolean isPrimitivesDefaultedForNullValue() {
+		return primitivesDefaultedForNullValue;
 	}
 
+
 	/**
 	 * Extract the values for all columns in the current row.
 	 * <p>Utilizes public setters and result set metadata.
@@ -305,4 +308,16 @@ protected Object getColumnValue(ResultSet rs, int index, PropertyDescriptor pd)
 		return JdbcUtils.getResultSetValue(rs, index, pd.getPropertyType());
 	}
 
+
+	/**
+	 * Static factory method to create a new BeanPropertyRowMapper
+	 * (with the mapped class specified only once).
+	 * @param mappedClass the class that each row should be mapped to
+	 */
+	public static <T> BeanPropertyRowMapper<T> newInstance(Class<T> mappedClass) {
+		BeanPropertyRowMapper<T> newInstance = new BeanPropertyRowMapper<T>();
+		newInstance.setMappedClass(mappedClass);
+		return newInstance;
+	}
+
 }

org.springframework.jdbc/src/main/java/org/springframework/jdbc/core/simple/ParameterizedBeanPropertyRowMapper.java

@@ -1,5 +1,5 @@
 /*
- * Copyright 2002-2008 the original author or authors.
+ * Copyright 2002-2009 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.
@@ -35,9 +35,9 @@
  * String, boolean, Boolean, byte, Byte, short, Short, int, Integer, long, Long,
  * float, Float, double, Double, BigDecimal, <code>java.util.Date</code>, etc.
  *
- * <p>The mapper can be configured to use the primitives default value when mapping null values by
- * passing in 'true' for the 'primitivesDefaultedForNullValue' using the {@link #newInstance(Class, boolean)} method.
- * Also see {@link BeanPropertyRowMapper#setPrimitivesDefaultedForNullValue(boolean)}
+ * <p>The mapper can be configured to use the primitives default value when mapping null values
+ * by setting the {@link #setPrimitivesDefaultedForNullValue 'primitivesDefaultedForNullValue'}
+ * flag to 'true'.
  *
  * <p>To facilitate mapping between columns and fields that don't have matching names,
  * try using column aliases in the SQL statement like "select fname as first_name from customer".
@@ -59,19 +59,8 @@ public class ParameterizedBeanPropertyRowMapper<T> extends BeanPropertyRowMapper
 	 * @param mappedClass the class that each row should be mapped to
 	 */
 	public static <T> ParameterizedBeanPropertyRowMapper<T> newInstance(Class<T> mappedClass) {
-		return newInstance(mappedClass, false);
-	}
-
-	/**
-	 * Static factory method to create a new ParameterizedBeanPropertyRowMapper
-	 * (with the mapped class specified only once).
-	 * @param mappedClass the class that each row should be mapped to
-	 * @param primitivesDefaultedForNullValue whether we're defaulting primitives when mapping a null value
-	 */
-	public static <T> ParameterizedBeanPropertyRowMapper<T> newInstance(Class<T> mappedClass, boolean primitivesDefaultedForNullValue) {
 		ParameterizedBeanPropertyRowMapper<T> newInstance = new ParameterizedBeanPropertyRowMapper<T>();
 		newInstance.setMappedClass(mappedClass);
-		newInstance.setPrimitivesDefaultedForNullValue(primitivesDefaultedForNullValue);
 		return newInstance;
 	}