Examples of org.apache.avalon.framework.Version

org.apache.avalon.framework.Version
This class is used to hold version information pertaining to a Component or interface.
The version number of a Component is made up of three dot-separated fields:
"major.minor.micro"
The major, minor and micro fields are integer numbers represented in decimal notation and have the following meaning:
- major - When the major version changes (in ex. from "1.5.12" to "2.0.0"), then backward compatibility with previous releases is not granted.
- minor - When the minor version changes (in ex. from "1.5.12" to "1.6.0"), then backward compatibility with previous releases is granted, but something changed in the implementation of the Component. (ie it methods could have been added)
- micro - When the micro version changes (in ex. from "1.5.12" to "1.5.13"), then the the changes are small forward compatible bug fixes or documentation modifications etc.
@author Avalon Development Team @version CVS $Revision: 1.33 $ $Date: 2004/02/11 14:34:24 $

        {
            return null;
        }


        final String name = getName( tag );
        final Version version = getVersion( tag );
        final String lifestyle = getLifestyle( tag );
        final String type = getJavaClass().getFullyQualifiedName();
        final Properties properties = new AttributeTag( getJavaClass() ).getProperties();
        final String schema = new SchemaTag( getJavaClass() ).getConfigurationSchema();
        final InfoDescriptor info = new InfoDescriptor( name, type, version, lifestyle, schema, properties );

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        if( type.indexOf( ":" ) > -1 )
        {
            return createReference( type );
        }
        final String versionString = service.getAttribute( "version", "1.0" );
        final Version version = buildVersion( versionString );
        return new ReferenceDescriptor( type, version );
    }

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      final String classname, final Configuration info )
      throws BuildException
    {
        final String name = 
          info.getChild( "name" ).getValue( null );
        final Version version = 
          buildVersion( info.getChild( "version" ).getValue( "1.0" ) );
        final String schema = 
          info.getChild( "schema" ).getValue( null );
        final Properties attributes =
            buildAttributes( info.getChild( "attributes" ) );

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    */
    public ReferenceDescriptor createReference( String path ) 
      throws BuildException
    {
        final String type;
        final Version version;
        int index = path.indexOf(":");
        if( index > -1 )
        {
            type = path.substring( 0, index );
            version = buildVersion( path.substring( index + 1 ) );

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        final Properties attributes =
            buildAttributes( info.getChild( "attributes" ) );
        final EntryDescriptor[] entries =
            buildEntries( info.getChild( "entries" ).getChildren("entry") );
        final String versionString = info.getChild( "version" ).getValue( "1.0" );
        final Version version = buildVersion( versionString );


        return new Service( new ReferenceDescriptor( classname, version ), entries, attributes );
    }

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    }


    public void testCompliance()
    {
        ReferenceDescriptor ref = new ReferenceDescriptor( m_classname, m_version );
        ReferenceDescriptor any = new ReferenceDescriptor( m_classname, new Version( -1, 0, 0 ) );


        assertTrue( "anything matches explicit", any.matches( ref ) );
        assertFalse( "explicit does not match anything", ref.matches( any ) );
    }

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    private ServiceDescriptor getService( DocletTag tag )
    {
        final String value = getNamedParameter( tag, TYPE_PARAM );
        final String type = resolveType( value );
        final String versionString = getNamedParameter( tag, VERSION_PARAM, null );
        final Version version = resolveVersion( versionString, value );
        final ReferenceDescriptor ref = new ReferenceDescriptor( type, version );
        return new ServiceDescriptor( ref, null );
    }

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    private ServiceDescriptor buildService( final Configuration service )
        throws ConfigurationException
    {
        final String name = service.getAttribute( "name" );
        final String versionString = service.getAttribute( "version", "1.0" );
        final Version version = buildVersion( versionString );
        return new ServiceDescriptor( name, version );
    }

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            System.err.println( message );
            return null;
        }


        final String name = block.getChild( "name" ).getValue( null );
        final Version version = buildVersion( block.getChild( "version" ).getValue() );
        final String schemaType = block.getChild( "schema-type" ).getValue( null );


        return new BlockDescriptor( name, classname, schemaType, version );
    }

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