/** | |
* Licensed to the Apache Software Foundation (ASF) under one | |
* or more contributor license agreements. See the NOTICE file | |
* distributed with this work for additional information | |
* regarding copyright ownership. The ASF licenses this file | |
* to you under the Apache License, Version 2.0 (the | |
* "License"); you may not use this file except in compliance | |
* with the License. You may obtain a copy of the License at | |
* | |
* http://www.apache.org/licenses/LICENSE-2.0 | |
* | |
* Unless required by applicable law or agreed to in writing, | |
* software distributed under the License is distributed on an | |
* "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY | |
* KIND, either express or implied. See the License for the | |
* specific language governing permissions and limitations | |
* under the License. | |
*/ | |
package org.apache.aries.spifly; | |
import org.osgi.framework.Version; | |
public interface SpiFlyConstants { | |
String SPECIFICATION_VERSION_STRING = "1.0.0"; | |
Version SPECIFICATION_VERSION = new Version(SPECIFICATION_VERSION_STRING); | |
// Not taken from OSGi Constants because this code needs to compile with the 4.2 OSGi classes. | |
String PROVIDE_CAPABILITY = "Provide-Capability"; | |
String REQUIRE_CAPABILITY = "Require-Capability"; | |
String EXTENDER_CAPABILITY_NAMESPACE = "osgi.extender"; | |
String FILTER_DIRECTIVE = "filter:"; | |
// These are two proprietary headers which predated the ServiceLoader Mediator | |
// specification and are more powerful than what is specified there | |
String SPI_CONSUMER_HEADER = "SPI-Consumer"; | |
String SPI_PROVIDER_HEADER = "SPI-Provider"; | |
// ServiceLoader capability and related directive | |
String SERVICELOADER_CAPABILITY_NAMESPACE = "osgi.serviceloader"; | |
String REGISTER_DIRECTIVE = "register:"; | |
// Service registration property | |
String SERVICELOADER_MEDIATOR_PROPERTY = "serviceloader.mediator"; | |
String PROVIDER_IMPLCLASS_PROPERTY = ".org.apache.aries.spifly.provider.implclass"; | |
String PROVIDER_DISCOVERY_MODE = ".org.apache.aries.spifly.provider.discovery.mode"; | |
// The names of the extenders involved | |
String PROCESSOR_EXTENDER_NAME = "osgi.serviceloader.processor"; | |
String REGISTRAR_EXTENDER_NAME = "osgi.serviceloader.registrar"; | |
// Pre-baked requirements for consumer and provider | |
String CLIENT_REQUIREMENT = EXTENDER_CAPABILITY_NAMESPACE + "; " + FILTER_DIRECTIVE + | |
"=\"(" + EXTENDER_CAPABILITY_NAMESPACE + "=" + PROCESSOR_EXTENDER_NAME + ")\""; | |
String PROVIDER_REQUIREMENT = EXTENDER_CAPABILITY_NAMESPACE + "; " + FILTER_DIRECTIVE + | |
"=\"(" + EXTENDER_CAPABILITY_NAMESPACE + "=" + REGISTRAR_EXTENDER_NAME + ")\""; | |
String PROCESSED_SPI_CONSUMER_HEADER = "X-SpiFly-Processed-SPI-Consumer"; | |
} |