@@ -13,32 +13,34 @@ import java.util.ArrayList;
import java.util.Iterator;
import org.apache.ant.convert.Converter;
import org.apache.ant.convert.ConverterException;
import org.apache.avalon.AbstractLoggable;
import org.apache.avalon.ComponentManager;
import org.apache.avalon.ComponentManagerException;
import org.apache.avalon.Composer;
import org.apache.avalon.ConfigurationException;
import org.apache.avalon.Context;
import org.apache.avalon.Loggable;
import org.apache.avalon.util.PropertyException;
import org.apache.avalon.util.PropertyUtil;
import org.apache.avalon.excalibur.property.PropertyException;
import org.apache.avalon.excalibur.property.PropertyUtil;
import org.apache.avalon.framework.component.ComponentException;
import org.apache.avalon.framework.component.ComponentManager;
import org.apache.avalon.framework.component.Composable;
import org.apache.avalon.framework.configuration.Configuration;
import org.apache.avalon.framework.configuration.Configurable;
import org.apache.avalon.framework.configuration.ConfigurationException;
import org.apache.avalon.framework.context.Context;
import org.apache.avalon.framework.logger.AbstractLoggable;
import org.apache.avalon.framework.logger.Loggable;
import org.apache.log.Logger;
/**
* Class used to configure tasks.
*
*
* @author <a href="mailto:donaldp@apache.org">Peter Donald</a>
*/
public class DefaultConfigurer
extends AbstractLoggable
implements Configurer, Composer , Loggable
implements Configurer, Composabl e, Loggable
{
protected final static String RESERVED_ATTRIBUTES[] =
protected final static String RESERVED_ATTRIBUTES[] =
{
"id"
};
protected final static String RESERVED_ELEMENTS[] =
protected final static String RESERVED_ELEMENTS[] =
{
"content"
};
@@ -47,16 +49,16 @@ public class DefaultConfigurer
protected Converter m_converter;
public void compose( final ComponentManager componentManager )
throws ComponentManager Exception
throws ComponentException
{
m_converter = (Converter)componentManager.lookup( "org.apache.ant.convert.Converter" );
}
/**
* Configure a task based on a configuration in a particular context.
* This configuring can be done in different ways for different
* configurers.
* This one does it by first checking if object implements Configurable
* This configuring can be done in different ways for different
* configurers.
* This one does it by first checking if object implements Configurable
* and if it does will pass the task the configuration - else it will use
* ants rules to map configuration to types
*
@@ -65,59 +67,59 @@ public class DefaultConfigurer
* @param context the Context
* @exception ConfigurationException if an error occurs
*/
public void configure( final Object object,
public void configure( final Object object,
final Configuration configuration,
final Context context )
throws ConfigurationException
{
if( DEBUG )
{
m_logger .debug( "Configuring " + object );
getLogger() .debug( "Configuring " + object );
}
if( object instanceof Configurable )
{
if( DEBUG )
if( DEBUG )
{
m_logger .debug( "Configuring object via Configurable interface" );
getLogger() .debug( "Configuring object via Configurable interface" );
}
((Configurable)object).configure( configuration );
}
else
{
if( DEBUG )
if( DEBUG )
{
m_logger .debug( "Configuring object via Configurable reflection" );
getLogger() .debug( "Configuring object via Configurable reflection" );
}
final Iterator attributes = configuration.getAttributeNames();
while( attributes.hasNext() )
final String[] attributes = configuration.getAttributeNames();
for( int i = 0; i < attributes.length; i++ )
{
final String name = (String)attributes.next() ;
final String name = attributes[ i ] ;
final String value = configuration.getAttribute( name );
if( DEBUG )
if( DEBUG )
{
m_logger .debug( "Configuring attribute name=" + name +
getLogger() .debug( "Configuring attribute name=" + name +
" value=" + value );
}
configureAttribute( object, name, value, context );
}
final Iterator elements = configuration.getChildren();
while( elements.hasNext() )
final Configuration[] children = configuration.getChildren();
for( int i = 0; i < children.length; i++ )
{
final Configuration element = (Configuration)elements.next() ;
if( DEBUG )
final Configuration child = children[ i ] ;
if( DEBUG )
{
m_logger.debug( "Configuring subelement name=" + element .getName() );
getLogger().debug( "Configuring subelement name=" + child .getName() );
}
configureElement( object, element , context );
configureElement( object, child , context );
}
final String content = configuration.getValue( null );
@@ -126,11 +128,11 @@ public class DefaultConfigurer
{
if( !content.trim().equals( "" ) )
{
if( DEBUG )
if( DEBUG )
{
m_logger .debug( "Configuring content " + content );
getLogger() .debug( "Configuring content " + content );
}
configureContent( object, content, context );
}
}
@@ -145,7 +147,7 @@ public class DefaultConfigurer
* @param context the Context
* @exception ConfigurationException if an error occurs
*/
protected void configureContent( final Object object,
protected void configureContent( final Object object,
final String content,
final Context context )
throws ConfigurationException
@@ -153,8 +155,8 @@ public class DefaultConfigurer
setValue( object, "addContent", content, context );
}
protected void configureAttribute( final Object object,
final String name,
protected void configureAttribute( final Object object,
final String name,
final String value,
final Context context )
throws ConfigurationException
@@ -168,7 +170,7 @@ public class DefaultConfigurer
setValue( object, methodName, value, context );
}
protected void setValue( final Object object,
protected void setValue( final Object object,
final String methodName,
final String value,
final Context context )
@@ -182,8 +184,8 @@ public class DefaultConfigurer
if( 0 == methods.length )
{
throw new ConfigurationException( "Unable to set attribute via " + methodName +
" due to not finding any appropriate " +
throw new ConfigurationException( "Unable to set attribute via " + methodName +
" due to not finding any appropriate " +
"accessor method" );
}
@@ -198,7 +200,7 @@ public class DefaultConfigurer
{
try
{
final Object objectValue =
final Object objectValue =
PropertyUtil.resolveProperty( value, context, false );
setValue( object, objectValue, methods, context );
@@ -210,8 +212,8 @@ public class DefaultConfigurer
}
}
protected void setValue( final Object object,
Object value,
protected void setValue( final Object object,
Object value,
final Method methods[],
final Context context )
throws ConfigurationException
@@ -226,14 +228,14 @@ public class DefaultConfigurer
return;
}
}
throw new ConfigurationException( "Unable to set attribute via " +
methods[ 0 ].getName() + " as could not convert " +
throw new ConfigurationException( "Unable to set attribute via " +
methods[ 0 ].getName() + " as could not convert " +
source + " to a matching type" );
}
protected boolean setValue( final Object object,
Object value,
protected boolean setValue( final Object object,
Object value,
final Method method,
final Class sourceClass,
final String source,
@@ -245,7 +247,7 @@ public class DefaultConfigurer
{
parameterType = getComplexTypeFor( parameterType );
}
try
{
value = m_converter.convert( parameterType, value, context );
@@ -254,18 +256,18 @@ public class DefaultConfigurer
{
if( DEBUG )
{
m_logger .debug( "Failed to find converter ", ce );
getLogger() .debug( "Failed to find converter ", ce );
}
return false;
}
catch( final Exception e )
{
throw new ConfigurationException( "Error converting attribute for " +
throw new ConfigurationException( "Error converting attribute for " +
method.getName(),
e );
}
try
{
method.invoke( object, new Object[] { value } );
@@ -273,13 +275,13 @@ public class DefaultConfigurer
catch( final IllegalAccessException iae )
{
//should never happen ....
throw new ConfigurationException( "Error retrieving methods with " +
throw new ConfigurationException( "Error retrieving methods with " +
"correct access specifiers",
iae );
}
catch( final InvocationTargetException ite )
{
throw new ConfigurationException( "Error calling method attribute " +
throw new ConfigurationException( "Error calling method attribute " +
method.getName(),
ite );
}
@@ -308,11 +310,11 @@ public class DefaultConfigurer
{
final Method methods[] = clazz.getMethods();
final ArrayList matches = new ArrayList();
for( int i = 0; i < methods.length; i++ )
{
final Method method = methods[ i ];
if( methodName.equals( method.getName() ) &&
if( methodName.equals( method.getName() ) &&
Method.PUBLIC == (method.getModifiers() & Method.PUBLIC) )
{
if( method.getReturnType().equals( Void.TYPE ) )
@@ -333,11 +335,11 @@ public class DefaultConfigurer
{
final Method methods[] = clazz.getMethods();
final ArrayList matches = new ArrayList();
for( int i = 0; i < methods.length; i++ )
{
final Method method = methods[ i ];
if( methodName.equals( method.getName() ) &&
if( methodName.equals( method.getName() ) &&
Method.PUBLIC == (method.getModifiers() & Method.PUBLIC) )
{
final Class returnType = method.getReturnType();
@@ -352,7 +354,7 @@ public class DefaultConfigurer
}
}
}
return (Method[])matches.toArray( new Method[0] );
}
@@ -364,10 +366,10 @@ public class DefaultConfigurer
protected String getJavaNameFor( final String name )
{
final StringBuffer sb = new StringBuffer();
int index = name.indexOf( '-' );
int last = 0;
while( -1 != index )
{
final String word = name.substring( last, index ).toLowerCase();
@@ -376,16 +378,16 @@ public class DefaultConfigurer
last = index + 1;
index = name.indexOf( '-', last );
}
index = name.length();
final String word = name.substring( last, index ).toLowerCase();
sb.append( Character.toUpperCase( word.charAt( 0 ) ) );
sb.append( word.substring( 1, word.length() ) );
return sb.toString();
}
}
protected void configureElement( final Object object,
protected void configureElement( final Object object,
final Configuration configuration,
final Context context )
throws ConfigurationException
@@ -403,7 +405,7 @@ public class DefaultConfigurer
// slow. Need to cache results per class etc.
final Class clazz = object.getClass();
Method methods[] = getMethodsFor( clazz, "add" + javaName );
if( 0 != methods.length )
{
//guess it is first method ????
@@ -415,8 +417,8 @@ public class DefaultConfigurer
if( 0 == methods.length )
{
throw new ConfigurationException( "Unable to set attribute " + javaName +
" due to not finding any appropriate " +
throw new ConfigurationException( "Unable to set attribute " + javaName +
" due to not finding any appropriate " +
"accessor method" );
}
@@ -425,7 +427,7 @@ public class DefaultConfigurer
}
}
protected void createElement( final Object object,
protected void createElement( final Object object,
final Method method,
final Configuration configuration,
final Context context )
@@ -446,7 +448,7 @@ public class DefaultConfigurer
}
}
protected void addElement( final Object object,
protected void addElement( final Object object,
final Method method,
final Configuration configuration,
final Context context )
Peter Donald