ServiceUnavailableException.java :  » J2EE » spring-ide_2.3.0 » org » springframework » osgi » service » Java Open Source

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spring ide_2.3.0 » org » springframework » osgi » service » ServiceUnavailableException.java
/*
 * Copyright 2006-2008 the original author or authors.
 * 
 * Licensed 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.springframework.osgi.service;

import org.osgi.framework.Filter;
import org.osgi.framework.ServiceReference;
import org.springframework.osgi.util.OsgiServiceReferenceUtils;

/**
 * Exception indicating that an OSGi service became unavailable/unregistered.
 * Normally this exception is used to indicate that no suitable replacement is
 * found (in case service rebinding is actually performed).
 * 
 * @author Adrian Colyer
 * @author Costin Leau
 */
public class ServiceUnavailableException extends ServiceException {

  private static final long serialVersionUID = -3479837278220329490L;


  /**
   * Constructs a new <code>ServiceUnavailableException</code> instance.
   * 
   * @param filter service filter
   */
  public ServiceUnavailableException(Filter filter) {
    super("service matching filter=[" + filter + "] unavailable");
  }

  /**
   * Constructs a new <code>ServiceUnavailableException</code> instance.
   * 
   * @param filter service filter (passed as a string)
   */
  public ServiceUnavailableException(String filter) {
    super("service matching filter=[" + filter + "] unavailable");
  }

  /**
   * Constructs a new <code>ServiceUnavailableException</code> instance.
   * 
   * @param reference service reference
   */
  public ServiceUnavailableException(ServiceReference reference) {
    super("service with id=["
        + (reference == null ? "null" : "" + OsgiServiceReferenceUtils.getServiceId(reference))
        + "] unavailable");
  }

}
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