/* * $Header: /cvshome/repository/org/osgi/framework/Constants.java,v 1.14 2002/10/07 07:13:35 pkriens Exp $ * * Copyright (c) The Open Services Gateway Initiative (2000, 2002). * All Rights Reserved. * * Implementation of certain elements of the Open Services Gateway Initiative * (OSGI) Specification may be subject to third party intellectual property * rights, including without limitation, patent rights (such a third party may * or may not be a member of OSGi). OSGi is not responsible and shall not be * held responsible in any manner for identifying or failing to identify any or * all such third party intellectual property rights. * * This document and the information contained herein are provided on an "AS * IS" basis and OSGI DISCLAIMS ALL WARRANTIES, EXPRESS OR IMPLIED, INCLUDING * BUT NOT LIMITED TO ANY WARRANTY THAT THE USE OF THE INFORMATION HEREIN WILL * NOT INFRINGE ANY RIGHTS AND ANY IMPLIED WARRANTIES OF MERCHANTABILITY OR * FITNESS FOR A PARTICULAR PURPOSE. IN NO EVENT WILL OSGI BE LIABLE FOR ANY * LOSS OF PROFITS, LOSS OF BUSINESS, LOSS OF USE OF DATA, INTERRUPTION OF * BUSINESS, OR FOR DIRECT, INDIRECT, SPECIAL OR EXEMPLARY, INCIDENTIAL, * PUNITIVE OR CONSEQUENTIAL DAMAGES OF ANY KIND IN CONNECTION WITH THIS * DOCUMENT OR THE INFORMATION CONTAINED HEREIN, EVEN IF ADVISED OF THE * POSSIBILITY OF SUCH LOSS OR DAMAGE. * * All Company, brand and product names may be trademarks that are the sole * property of their respective owners. All rights reserved. */package org.osgi.framework;/** * Defines standard names for the OSGi environment property, service property, * and Manifest header attribute keys. * * <p>The values associated with these keys are of type <tt>java.lang.String</tt>, * unless otherwise indicated. * * @version $Revision: 1.14 $ * @author Open Services Gateway Initiative * @since 1.1 * @see Bundle#getHeaders * @see BundleContext#getProperty * @see BundleContext#registerService */public interface Constants{    /**     * Location identifier of the OSGi <i>system bundle</i>, which is     * defined to be &quot;System Bundle&quot;.     */    public static final String SYSTEM_BUNDLE_LOCATION = "System Bundle";    /**     * Manifest header (named &quot;Bundle-Category&quot;)     * identifying the bundle's category.     * <p>The attribute value may be retrieved from the     * <tt>Dictionary</tt> object returned by the <tt>Bundle.getHeaders</tt> method.     */    public static final String BUNDLE_CATEGORY = "Bundle-Category";    /**     * Manifest header (named &quot;Bundle-ClassPath&quot;)     * identifying a list of nested JAR files, which are bundle resources used     * to extend the bundle's classpath.     *     * <p>The attribute value may be retrieved from the     * <tt>Dictionary</tt> object returned by the <tt>Bundle.getHeaders</tt> method.     */    public static final String BUNDLE_CLASSPATH = "Bundle-ClassPath";    /**     * Manifest header (named &quot;Bundle-Copyright&quot;)     * identifying the bundle's copyright information, which may be retrieved     * from the <tt>Dictionary</tt> object returned by the <tt>Bundle.getHeaders</tt> method.     */    public static final String BUNDLE_COPYRIGHT = "Bundle-Copyright";    /**     * Manifest header (named &quot;Bundle-Description&quot;)     * containing a brief description of the bundle's functionality.     * <p>The attribute value may be retrieved from the     * <tt>Dictionary</tt> object returned by the <tt>Bundle.getHeaders</tt> method.     */    public static final String BUNDLE_DESCRIPTION = "Bundle-Description";    /**     * Manifest header (named &quot;Bundle-Name&quot;)     * identifying the bundle's name.     * <p>The attribute value may be retrieved from the     * <tt>Dictionary</tt> object returned by the <tt>Bundle.getHeaders</tt> method.     */    public static final String BUNDLE_NAME = "Bundle-Name";    /**     * Manifest header (named &quot;Bundle-NativeCode&quot;)     * identifying a number of hardware environments and the native language code     * libraries that the bundle is carrying for each of these environments.     *     * <p>The attribute value may be retrieved from the     * <tt>Dictionary</tt> object returned by the <tt>Bundle.getHeaders</tt> method.     */    public static final String BUNDLE_NATIVECODE = "Bundle-NativeCode";    /**     * Manifest header (named &quot;Export-Package&quot;)     * identifying the names (and optionally version numbers) of the packages     * that the bundle offers to the Framework for export.     *     * <p>The attribute value may be retrieved from the     * <tt>Dictionary</tt> object returned by the <tt>Bundle.getHeaders</tt> method.     */    public static final String EXPORT_PACKAGE = "Export-Package";    /**     * Manifest header (named &quot;Export-Service&quot;)     * identifying the fully qualified class names of the services that the     * bundle may register (used for informational purposes only).     *     * <p>The attribute value may be retrieved from the     * <tt>Dictionary</tt> object returned by the <tt>Bundle.getHeaders</tt> method.     */    public static final String EXPORT_SERVICE = "Export-Service";    /**     * Manifest header (named &quot;Import-Package&quot;)     * identifying the names (and optionally, version numbers) of the packages     * that the bundle is dependent on.     *     * <p>The attribute value may be retrieved from the     * <tt>Dictionary</tt> object returned by the <tt>Bundle.getHeaders</tt> method.     */    public static final String IMPORT_PACKAGE = "Import-Package";    /**     * Manifest header (named &quot;DynamicImport-Package&quot;)     * identifying the names of the packages     * that the bundle may dynamically import during execution.     *     * <p>The attribute value may be retrieved from the     * <tt>Dictionary</tt> object returned by the <tt>Bundle.getHeaders</tt> method.     * @since 1.2     */    public static final String DYNAMICIMPORT_PACKAGE = "DynamicImport-Package";    /**     * Manifest header (named &quot;Import-Service&quot;)     * identifying the fully qualified class names of the services that the     * bundle requires (used for informational purposes only).     *     * <p>The attribute value may be retrieved from the     * <tt>Dictionary</tt> object returned by the <tt>Bundle.getHeaders</tt> method.     */    public static final String IMPORT_SERVICE = "Import-Service";    /**     * Manifest header (named &quot;Bundle-Vendor&quot;)     * identifying the bundle's vendor.     *     * <p>The attribute value may be retrieved from the     * <tt>Dictionary</tt> object returned by the <tt>Bundle.getHeaders</tt> method.     */    public static final String BUNDLE_VENDOR = "Bundle-Vendor";    /**     * Manifest header (named &quot;Bundle-Version&quot;)     * identifying the bundle's version.     *     * <p>The attribute value may be retrieved from the     * <tt>Dictionary</tt> object returned by the <tt>Bundle.getHeaders</tt> method.     */    public static final String BUNDLE_VERSION = "Bundle-Version";    /**     * Manifest header (named &quot;Bundle-DocURL&quot;)     * identifying the bundle's documentation URL, from which further     * information about the bundle may be obtained.     *     * <p>The attribute value may be retrieved from the     * <tt>Dictionary</tt> object returned by the <tt>Bundle.getHeaders</tt> method.     */    public static final String BUNDLE_DOCURL = "Bundle-DocURL";    /**     * Manifest header (named &quot;Bundle-ContactAddress&quot;)     * identifying the contact address where problems with the     * bundle may be reported; for example, an email address.     *     * <p>The attribute value may be retrieved from the     * <tt>Dictionary</tt> object returned by the <tt>Bundle.getHeaders</tt> method.     */    public static final String BUNDLE_CONTACTADDRESS = "Bundle-ContactAddress";    /**     * Manifest header attribute (named &quot;Bundle-Activator&quot;)     * identifying the bundle's activator class.     *     * <p>If present, this header specifies the name of the bundle resource     * class that implements the <tt>BundleActivator</tt> interface and whose     * <tt>start</tt> and <tt>stop</tt> methods are called by the Framework     * when the bundle is started and stopped, respectively.     *     * <p>The attribute value may be retrieved from the     * <tt>Dictionary</tt> object returned by the <tt>Bundle.getHeaders</tt> method.     */    public static final String BUNDLE_ACTIVATOR = "Bundle-Activator";    /**     * Manifest header (named &quot;Bundle-UpdateLocation&quot;)     * identifying the location from which a new bundle version is     * obtained during a bundle update operation.     *     * <p>The attribute value may be retrieved from the     * <tt>Dictionary</tt> object returned by the <tt>Bundle.getHeaders</tt> method.     */    public static final String BUNDLE_UPDATELOCATION = "Bundle-UpdateLocation";    /**     * Manifest header attribute (named &quot;specification-version&quot;)     * identifying the version of a package specified in the     * Export-Package or Import-Package Manifest header.     *