OsgiNameParser.java

/*
 * 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.jndi.url;

import javax.naming.InvalidNameException;
import javax.naming.Name;
import javax.naming.NameParser;
import javax.naming.NamingException;

/**
 * A parser for the aries namespace
 */
public final class OsgiNameParser implements NameParser
{
  private static final String OSGI_SCHEME = "osgi";
  private static final String ARIES_SCHEME = "aries";
  private static final String SERVICE_PATH = "service";
  private static final String SERVICES_PATH = "services";
  private static final String SERVICE_LIST_PATH = "servicelist";
  private static final String FRAMEWORK_PATH = "framework";
  
  public Name parse(String name) throws NamingException
  {
    OsgiName result = new OsgiName(name);
    
    String urlScheme = result.getScheme();
    String schemePath = result.getSchemePath();
    
    if (!!!(OSGI_SCHEME.equals(urlScheme) || ARIES_SCHEME.equals(urlScheme))) {
      throw new InvalidNameException(name);
    }
    
    if (ARIES_SCHEME.equals(urlScheme) && !!!SERVICES_PATH.equals(schemePath)) {
      throw new InvalidNameException(name);
    }
    
    if (OSGI_SCHEME.equals(urlScheme) && !!!( SERVICE_PATH.equals(schemePath) || 
                                              SERVICE_LIST_PATH.equals(schemePath) || 
                                              FRAMEWORK_PATH.equals(schemePath))) {
      throw new InvalidNameException(name);
    }
    
    return result;
  }

  @Override
  public boolean equals(Object other)
  {
    return other instanceof OsgiNameParser;
  }
  
  @Override
  public int hashCode()
  {
    return 100003;
  }
}