RepositoryTypeImpl.java

/**
 * Copyright (c) 2008-2011 Sonatype, Inc.
 * All rights reserved. Includes the third-party code listed at http://www.sonatype.com/products/nexus/attributions.
 *
 * This program is free software: you can redistribute it and/or modify it only under the terms of the GNU Affero General
 * Public License Version 3 as published by the Free Software Foundation.
 *
 * This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied
 * warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU Affero General Public License Version 3
 * for more details.
 *
 * You should have received a copy of the GNU Affero General Public License Version 3 along with this program.  If not, see
 * http://www.gnu.org/licenses.
 *
 * Sonatype Nexus (TM) Open Source Version is available from Sonatype, Inc. Sonatype and Sonatype Nexus are trademarks of
 * Sonatype, Inc. Apache Maven is a trademark of the Apache Foundation. M2Eclipse is a trademark of the Eclipse Foundation.
 * All other trademarks are the property of their respective owners.
 */
package org.sonatype.guice.nexus.scanners;

import java.lang.annotation.Annotation;

import org.sonatype.nexus.plugins.RepositoryType;

/**
 * Runtime implementation of Nexus @{@link RepositoryType} annotation.
 */
final class RepositoryTypeImpl
    implements RepositoryType
{
    // ----------------------------------------------------------------------
    // Implementation fields
    // ----------------------------------------------------------------------

    private final String pathPrefix;

    private final int repositoryMaxInstanceCount;

    // ----------------------------------------------------------------------
    // Constructors
    // ----------------------------------------------------------------------

    RepositoryTypeImpl( final String pathPrefix, final int repositoryMaxInstanceCount )
    {
        if ( null == pathPrefix )
        {
            throw new IllegalArgumentException( "@RepositoryType cannot contain null values" );
        }

        this.pathPrefix = pathPrefix;
        this.repositoryMaxInstanceCount = repositoryMaxInstanceCount;
    }

    // ----------------------------------------------------------------------
    // Annotation properties
    // ----------------------------------------------------------------------

    public String pathPrefix()
    {
        return pathPrefix;
    }

    public int repositoryMaxInstanceCount()
    {
        return repositoryMaxInstanceCount;
    }

    // ----------------------------------------------------------------------
    // Standard annotation behaviour
    // ----------------------------------------------------------------------

    @Override
    public boolean equals( final Object rhs )
    {
        if ( this == rhs )
        {
            return true;
        }

        if ( rhs instanceof RepositoryType )
        {
            final RepositoryType type = (RepositoryType) rhs;

            return pathPrefix.equals( type.pathPrefix() )
                && repositoryMaxInstanceCount == type.repositoryMaxInstanceCount();
        }

        return false;
    }

    @Override
    public int hashCode()
    {
        return ( 127 * "pathPrefix".hashCode() ^ pathPrefix.hashCode() )
            + ( 127 * "repositoryMaxInstanceCount".hashCode() ^ Integer.valueOf( repositoryMaxInstanceCount ).hashCode() );
    }

    @Override
    public String toString()
    {
        return String.format( "@%s(pathPrefix=%s, repositoryMaxInstanceCount=%s)", RepositoryType.class.getName(),
                              pathPrefix, Integer.valueOf( repositoryMaxInstanceCount ) );
    }

    public Class<? extends Annotation> annotationType()
    {
        return RepositoryType.class;
    }
}