Author: skitching
Date: Sun Mar 6 23:21:13 2005
New Revision: 156403
URL: http://svn.apache.org/viewcvs?view=rev&rev=156403
Log:
Provide ability to pass special NO_DEFAULT object as the "defaultValue"
parameter to the constructor. Also fix misleading javadoc.
Modified:
jakarta/commons/proper/beanutils/trunk/src/java/org/apache/commons/beanutils/converters/AbstractArrayConverter.java
Modified:
jakarta/commons/proper/beanutils/trunk/src/java/org/apache/commons/beanutils/converters/AbstractArrayConverter.java
URL:
http://svn.apache.org/viewcvs/jakarta/commons/proper/beanutils/trunk/src/java/org/apache/commons/beanutils/converters/AbstractArrayConverter.java?view=diff&r1=156402&r2=156403
==============================================================================
---
jakarta/commons/proper/beanutils/trunk/src/java/org/apache/commons/beanutils/converters/AbstractArrayConverter.java
(original)
+++
jakarta/commons/proper/beanutils/trunk/src/java/org/apache/commons/beanutils/converters/AbstractArrayConverter.java
Sun Mar 6 23:21:13 2005
@@ -72,11 +72,25 @@
*/
public AbstractArrayConverter(Object defaultValue) {
- this.defaultValue = defaultValue;
- this.useDefault = true;
+ if (defaultValue == NO_DEFAULT) {
+ this.useDefault = false;
+ } else {
+ this.defaultValue = defaultValue;
+ this.useDefault = true;
+ }
}
+ // ------------------------------------------------------- Static Variables
+
+ /**
+ * This is a special reference that can be passed as the "default object"
+ * to the constructor to indicate that no default is desired. Note that
+ * the value 'null' cannot be used for this purpose, as the caller may
+ * want a null to be returned as the default.
+ */
+ public static final Object NO_DEFAULT = new Object();
+
// ----------------------------------------------------- Instance Variables
@@ -123,11 +137,12 @@
* in the Java language into a <code>List</code> individual Strings
* for each element, according to the following rules.</p>
* <ul>
- * <li>The string must have matching '{' and '}' delimiters around
- * a comma-delimited list of values.</li>
- * <li>Whitespace before and after each element is stripped.
- * <li>If an element is itself delimited by matching single or double
- * quotes, the usual rules for interpreting a quoted String apply.</li>
+ * <li>The string is expected to be a comma-separated list of values.</li>
+ * <li>The string may optionally have matching '{' and '}' delimiters
+ * around the list.</li>
+ * <li>Whitespace before and after each element is stripped.</li>
+ * <li>Elements in the list may be delimited by single or double quotes.
+ * Within a quoted elements, the normal Java escape sequences are
valid.</li>
* </ul>
*
* @param svalue String value to be parsed
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