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[MNG-3544] Beautify debug output for mojo parameters of type array 

o Merged r720042 from maven-2.0.x

git-svn-id: https://svn.apache.org/repos/asf/maven/components/trunk@720045 13f79535-47bb-0310-9956-ffa450edef68
This commit is contained in:
Benjamin Bentmann 2008-11-23 21:17:34 +00:00
parent 9811be2c3e
commit 4310dd2c51
1 changed files with 37 additions and 2 deletions
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39
maven-core/src/main/java/org/apache/maven/plugin/DebugConfigurationListener.java
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@ -19,6 +19,8 @@
* under the License.
*/
import java.lang.reflect.Array;
import org.codehaus.plexus.component.configurator.ConfigurationListener;
import org.codehaus.plexus.logging.Logger;
@ -42,7 +44,7 @@ public void notifyFieldChangeUsingSetter( String fieldName, Object value, Object
{
if ( logger.isDebugEnabled() )
{
logger.debug( " (s) " + fieldName + " = " + value );
logger.debug( " (s) " + fieldName + " = " + toString( value ) );
}
}
@ -50,7 +52,40 @@ public void notifyFieldChangeUsingReflection( String fieldName, Object value, Ob
{
if ( logger.isDebugEnabled() )
{
logger.debug( " (f) " + fieldName + " = " + value );
logger.debug( " (f) " + fieldName + " = " + toString( value ) );
}
}
/**
* Creates a human-friendly string represenation of the specified object.
*
* @param obj The object to create a string representation for, may be <code>null</code>.
* @return The string representation, never <code>null</code>.
*/
private String toString( Object obj )
{
String str;
if ( obj != null && obj.getClass().isArray() )
{
int n = Array.getLength( obj );
StringBuffer buf = new StringBuffer( 256 );
buf.append( '[' );
for ( int i = 0; i < n; i++ )
{
if ( i > 0 )
{
buf.append( ", " );
}
buf.append( String.valueOf( Array.get( obj, i ) ) );
}
buf.append( ']' );
str = buf.toString();
}
else
{
str = String.valueOf( obj );
}
return str;
}
}