/*
 * The Apache Software License, Version 1.1
 *
 *
 * Copyright (c) 2001-2003 The Apache Software Foundation.  All rights
 * reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 *
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 *
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in
 *    the documentation and/or other materials provided with the
 *    distribution.
 *
 * 3. The end-user documentation included with the redistribution,
 *    if any, must include the following acknowledgment:
 *       "This product includes software developed by the
 *        Apache Software Foundation (http://www.apache.org/)."
 *    Alternately, this acknowledgment may appear in the software itself,
 *    if and wherever such third-party acknowledgments normally appear.
 *
 * 4. The names "Axis" and "Apache Software Foundation" must
 *    not be used to endorse or promote products derived from this
 *    software without prior written permission. For written
 *    permission, please contact apache@apache.org.
 *
 * 5. Products derived from this software may not be called "Apache",
 *    nor may "Apache" appear in their name, without prior written
 *    permission of the Apache Software Foundation.
 *
 * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED
 * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
 * DISCLAIMED.  IN NO EVENT SHALL THE APACHE SOFTWARE FOUNDATION OR
 * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
 * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
 * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
 * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
 * SUCH DAMAGE.
 * ====================================================================
 *
 * This software consists of voluntary contributions made by many
 * individuals on behalf of the Apache Software Foundation.  For more
 * information on the Apache Software Foundation, please see
 * <http://www.apache.org/>.
 */
package org.jboss.axis.wsdl;

import javax.xml.namespace.QName;
import javax.xml.rpc.ParameterMode;
import java.util.HashMap;

/**
 * Provides Base function implementation for the Skeleton interface
 */
public class SkeletonImpl implements Skeleton
{
   private static HashMap table = null;

   /**
    * Constructor
    */
   public SkeletonImpl()
   {
      if (table == null)
      {
         table = new HashMap();
      }
   }

   class MetaInfo
   {
      QName[] names;
      ParameterMode[] modes;
      String inputNamespace;
      String outputNamespace;
      String soapAction;

      MetaInfo(QName[] names, ParameterMode[] modes, String inputNamespace,
               String outputNamespace, String soapAction)
      {
         this.names = names;
         this.modes = modes;
         this.inputNamespace = inputNamespace;
         this.outputNamespace = outputNamespace;
         this.soapAction = soapAction;
      }
   }

   /**
    * Add operation name and vector containing return and parameter names.
    * The first name in the array is either the return name (which
    * should be set to null if there is no return name)
    */
   public void add(String operation, QName[] names, ParameterMode[] modes,
                   String inputNamespace, String outputNamespace, String soapAction)
   {
      table.put(operation, new MetaInfo(names, modes, inputNamespace,
              outputNamespace, soapAction));
   }

   /**
    * Convenience method which allows passing an array of Strings which
    * will be converted into QNames with no namespace.
    */
   public void add(String operation, String[] names, ParameterMode[] modes,
                   String inputNamespace, String outputNamespace, String soapAction)
   {
      QName[] qnames = new QName[names.length];
      for (int i = 0; i < names.length; i++)
      {
         QName qname = new QName(null, names[i]);
         qnames[i] = qname;
      }
      add(operation, qnames, modes, inputNamespace,
              outputNamespace, soapAction);
   }

   /**
    * Used to return the name of the n-th parameter of the specified
    * operation.  Use -1 to get the return type name
    * Returns null if problems occur or the parameter is not known.
    */
   public QName getParameterName(String operationName, int n)
   {
      MetaInfo value = (MetaInfo)table.get(operationName);
      if (value == null ||
              value.names == null ||
              value.names.length <= n + 1)
      {
         return null;
      }
      return value.names[n + 1];
   }

   /**
    * Used to return the mode of the n-th parameter of the specified
    * operation.  Use -1 to get the return mode.
    * Returns null if problems occur or the parameter is not known.
    */
   public ParameterMode getParameterMode(String operationName, int n)
   {
      MetaInfo value = (MetaInfo)table.get(operationName);
      if (value == null ||
              value.modes == null ||
              value.modes.length <= n + 1)
      {
         return null;
      }
      return value.modes[n + 1];
   }

   /**
    * Used to return the namespace of the input clause of the given
    * operation.  Returns null if problems occur.
    */
   public String getInputNamespace(String operationName)
   {
      MetaInfo value = (MetaInfo)table.get(operationName);
      if (value == null)
      {
         return null;
      }
      return value.inputNamespace;
   }

   /**
    * Used to return the namespace of the output clause of the given
    * operation.  Returns null if problems occur.
    */
   public String getOutputNamespace(String operationName)
   {
      MetaInfo value = (MetaInfo)table.get(operationName);
      if (value == null)
      {
         return null;
      }
      return value.outputNamespace;
   }

   /**
    * Used to return the SOAPAction of the given operation.
    * Returns null if problems occur.
    */
   public String getSOAPAction(String operationName)
   {
      MetaInfo value = (MetaInfo)table.get(operationName);
      if (value == null)
      {
         return null;
      }
      return value.soapAction;
   }

}