mcconnell 2003/12/01 23:51:34
Modified: repository/spi/src/java/org/apache/avalon/repository/meta
ArtifactDescriptor.java
Added: repository/spi/src/java/org/apache/avalon/repository/meta
FactoryDescriptor.java
Removed: repository/spi/src/java/org/apache/avalon/repository/meta
RelationalDescriptor.java
Log:
Rename RelationalDescriptor to FactoryDescriptor.
Revision Changes Path
1.6 +2 -2
avalon-sandbox/repository/spi/src/java/org/apache/avalon/repository/meta/ArtifactDescriptor.java
Index: ArtifactDescriptor.java
===================================================================
RCS file:
/home/cvs/avalon-sandbox/repository/spi/src/java/org/apache/avalon/repository/meta/ArtifactDescriptor.java,v
retrieving revision 1.5
retrieving revision 1.6
diff -u -r1.5 -r1.6
--- ArtifactDescriptor.java 30 Nov 2003 08:11:37 -0000 1.5
+++ ArtifactDescriptor.java 2 Dec 2003 07:51:34 -0000 1.6
@@ -57,7 +57,7 @@
import javax.naming.NamingException;
/**
- * An artifact descriptor holds attributes about an artifact.
+ * An abstract descriptor holds attributes about an artifact.
*
* @author <a href="mailto:[EMAIL PROTECTED]">Alex Karasulu</a>
* @author $Author$
1.1
avalon-sandbox/repository/spi/src/java/org/apache/avalon/repository/meta/FactoryDescriptor.java
Index: FactoryDescriptor.java
===================================================================
/*
============================================================================
The Apache Software License, Version 1.1
============================================================================
Copyright (C) 1999-2002 The Apache Software Foundation. All rights reserved.
Redistribution and use in source and binary forms, with or without modifica-
tion, are permitted provided that the following conditions are met:
1. Redistributions of source code must retain the above copyright notice,
this list of conditions and the following disclaimer.
2. Redistributions in binary form must reproduce the above copyright notice,
this list of conditions and the following disclaimer in the documentation
and/or other materials provided with the distribution.
3. The end-user documentation included with the redistribution, if any, must
include the following acknowledgment: "This product includes software
developed by the Apache Software Foundation (http://www.apache.org/)."
Alternately, this acknowledgment may appear in the software itself, if
and wherever such third-party acknowledgments normally appear.
4. The names "Jakarta", "Apache Avalon", "Avalon Framework" and
"Apache Software Foundation" must not be used to endorse or promote
products derived from this software without prior written
permission. For written permission, please contact [EMAIL PROTECTED]
5. Products derived from this software may not be called "Apache", nor may
"Apache" appear in their name, without prior written permission of the
Apache Software Foundation.
THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED WARRANTIES,
INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
APACHE SOFTWARE FOUNDATION OR ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLU-
DING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
This software consists of voluntary contributions made by many individuals
on behalf of the Apache Software Foundation. For more information on the
Apache Software Foundation, please see <http://www.apache.org/>.
*/
package org.apache.avalon.repository.meta;
import java.io.Serializable;
import java.util.NoSuchElementException;
import javax.naming.directory.Attributes;
import javax.naming.directory.Attribute;
import javax.naming.NamingException;
import org.apache.avalon.repository.Artifact;
import org.apache.avalon.repository.RepositoryRuntimeException;
/**
* A RelationalDescriptor represents a set of metadata describing the
* structural relationships that an artifact has on other
* artifacts.
*
* @author <a href="mailto:[EMAIL PROTECTED]">Stephen McConnell</a>
* @version $Revision: 1.1 $
*/
public class FactoryDescriptor extends ArtifactDescriptor
{
//-----------------------------------------------------------
// static
//-----------------------------------------------------------
public static final String API_KEY =
"avalon.artifact.dependency.api";
public static final String SPI_KEY =
"avalon.artifact.dependency.spi";
public static final String IMP_KEY =
"avalon.artifact.dependency";
public static final String FACTORY_KEY =
"avalon.artifact.factory";
public static final String BUILD_KEY =
"avalon.artifact.signature";
//-----------------------------------------------------------
// immutable state
//-----------------------------------------------------------
private final String m_group;
private final String m_name;
private final String m_version;
private final String m_build;
private final Artifact[] c_api;
private final Artifact[] c_spi;
private final Artifact[] c_imp;
private final String m_factory;
//-----------------------------------------------------------
// constructor
//-----------------------------------------------------------
/**
* Creates a new RelationalDescriptor.
*
* @param attributes the meta data attributes
*/
public FactoryDescriptor( final Attributes attributes )
throws MetaException
{
super( attributes );
m_group = getAttribute( attributes, Artifact.GROUP_KEY, "" );
m_name = getAttribute( attributes, Artifact.NAME_KEY, "" );
m_version = getAttribute( attributes, Artifact.VERSION_KEY, "" );
m_build = getAttribute( attributes, BUILD_KEY, "" );
c_api = buildDependents( attributes, API_KEY );
c_spi = buildDependents( attributes, SPI_KEY );
c_imp = buildDependents( attributes, IMP_KEY );
m_factory = getFactory( attributes );
}
//-----------------------------------------------------------
// public
//-----------------------------------------------------------
/**
* Return the build identifier
* @return the identifier
*/
public String getBuild()
{
return m_build;
}
/**
* Return the factory classname.
* @return the classname
*/
public String getFactory()
{
return m_factory;
}
/**
* Return the implementation dependencies
* @return the artifacts
*/
public Artifact[] getDependencies( String key )
{
if( key == API_KEY )
{
return c_api;
}
else if( key == SPI_KEY )
{
return c_spi;
}
else if( key == IMP_KEY )
{
return c_imp;
}
else
{
final String error =
"Invalid dependency key: " + key;
throw new IllegalArgumentException( error );
}
}
public Artifact[] getDependencies()
{
int j = c_api.length + c_spi.length + c_imp.length;
Artifact[] all = new Artifact[ j ];
int q = 0;
for( int i=0; i<c_api.length; i++ )
{
all[q] = c_api[i];
q++;
}
for( int i=0; i<c_spi.length; i++ )
{
all[q] = c_spi[i];
q++;
}
for( int i=0; i<c_imp.length; i++ )
{
all[q] = c_imp[i];
q++;
}
return all;
}
public String toString()
{
return "[meta:"
+ " group:" + m_group
+ " name:" + m_name
+ " version:" + m_version
+ " build:" + m_build
+ " factory:" + m_factory
+ "]";
}
//-----------------------------------------------------------
// private
//-----------------------------------------------------------
private Artifact[] buildDependents(
Attributes attributes, String key )
{
try
{
Attribute attribute = attributes.get( key ) ;
if( null == attribute ) return new Artifact[0];
Artifact[] dependencies =
new Artifact[ attribute.size() ] ;
for ( int i = 0; i < dependencies.length; i++ )
{
final String spec = (String) attribute.get( i );
dependencies[i] = Artifact.createArtifact( spec ) ;
}
return dependencies;
}
catch ( NamingException e )
{
throw new RepositoryRuntimeException(
"Failed to resolve dependencies for [" + key
+ "] on the attribute set [" + attributes + "].", e ) ;
}
}
private String getFactory( Attributes attributes )
{
try
{
return getValue( attributes, FACTORY_KEY );
}
catch( Throwable e )
{
return null;
}
}
private String getAttribute( Attributes attributes, String key, String def )
{
try
{
return getValue( attributes, key );
}
catch( Throwable e )
{
return def;
}
}
}
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