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Java > Open Source Codes > org > jboss > axis > deployment > wsdd > providers > WSDDHandlerProvider


1 /*
2  * The Apache Software License, Version 1.1
3  *
4  *
5  * Copyright (c) 2001-2003 The Apache Software Foundation. All rights
6  * reserved.
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9  * modification, are permitted provided that the following conditions
10  * are met:
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13  * notice, this list of conditions and the following disclaimer.
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15  * 2. Redistributions in binary form must reproduce the above copyright
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17  * the documentation and/or other materials provided with the
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20  * 3. The end-user documentation included with the redistribution,
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23  * Apache Software Foundation (http://www.apache.org/)."
24  * Alternately, this acknowledgment may appear in the software itself,
25  * if and wherever such third-party acknowledgments normally appear.
26  *
27  * 4. The names "Axis" and "Apache Software Foundation" must
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29  * software without prior written permission. For written
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52  * information on the Apache Software Foundation, please see
53  * <http://www.apache.org/>.
54  */
55 package org.jboss.axis.deployment.wsdd.providers;
56
57 import org.jboss.axis.ConfigurationException;
58 import org.jboss.axis.EngineConfiguration;
59 import org.jboss.axis.Handler;
60 import org.jboss.axis.deployment.wsdd.WSDDConstants;
61 import org.jboss.axis.deployment.wsdd.WSDDProvider;
62 import org.jboss.axis.deployment.wsdd.WSDDService;
63 import org.jboss.axis.utils.ClassUtils;
64 import org.jboss.axis.utils.Messages;
65
66 /**
67  * This is a simple provider for using Handler-based services which don't
68  * need further configuration (such as Java classes, etc).
69  *
70  * @author Glen Daniels (gdaniels@macromedia.com)
71  */
72 public class WSDDHandlerProvider
73         extends WSDDProvider
74 {
75    public String JavaDoc getName()
76    {
77       return WSDDConstants.PROVIDER_HANDLER;
78    }
79
80    public Handler newProviderInstance(WSDDService service,
81                                       EngineConfiguration registry)
82            throws Exception JavaDoc
83    {
84       String JavaDoc providerClass = service.getParameter("handlerClass");
85       if (providerClass == null)
86       {
87          throw new ConfigurationException(Messages.getMessage("noHandlerClass00"));
88       }
89
90       Class JavaDoc _class = ClassUtils.forName(providerClass);
91
92       if (!(Handler.class.isAssignableFrom(_class)))
93       {
94          throw new ConfigurationException(Messages.getMessage("badHandlerClass00",
95                  _class.getName()));
96       }
97
98       return (Handler)_class.newInstance();
99    }
100 }
101
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