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Java > Open Source Codes > org > jboss > axis > components > jms > BeanVendorAdapter


1 /*
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5  * Copyright (c) 2001, 2002 The Apache Software Foundation. All rights
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25  * if and wherever such third-party acknowledgments normally appear.
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55
56 package org.jboss.axis.components.jms;
57
58 import org.jboss.axis.utils.BeanPropertyDescriptor;
59 import org.jboss.axis.utils.BeanUtils;
60 import org.jboss.axis.utils.ClassUtils;
61
62 import javax.jms.ConnectionFactory JavaDoc;
63 import javax.jms.QueueConnectionFactory JavaDoc;
64 import javax.jms.TopicConnectionFactory JavaDoc;
65 import java.util.HashMap JavaDoc;
66
67 /**
68  * Uses ClassUtils.forName and reflection to configure ConnectionFactory. Uses
69  * the input sessions to create destinations.
70  *
71  * @author Jaime Meritt (jmeritt@sonicsoftware.com)
72  */

73 public class BeanVendorAdapter extends JMSVendorAdapter
74 {
75    protected final static String JavaDoc CONNECTION_FACTORY_CLASS =
76            "transport.jms.ConnectionFactoryClass";
77
78    public QueueConnectionFactory JavaDoc getQueueConnectionFactory(HashMap JavaDoc cfConfig)
79            throws Exception JavaDoc
80    {
81       return (QueueConnectionFactory JavaDoc)getConnectionFactory(cfConfig);
82    }
83
84    public TopicConnectionFactory JavaDoc getTopicConnectionFactory(HashMap JavaDoc cfConfig)
85            throws Exception JavaDoc
86    {
87       return (TopicConnectionFactory JavaDoc)getConnectionFactory(cfConfig);
88    }
89
90    private ConnectionFactory JavaDoc getConnectionFactory(HashMap JavaDoc cfConfig)
91            throws Exception JavaDoc
92    {
93       String JavaDoc classname = (String JavaDoc)cfConfig.get(CONNECTION_FACTORY_CLASS);
94       if (classname == null || classname.trim().length() == 0)
95          throw new IllegalArgumentException JavaDoc("noCFClass");
96
97       Class JavaDoc factoryClass = ClassUtils.forName(classname);
98       ConnectionFactory JavaDoc factory = (ConnectionFactory JavaDoc)factoryClass.newInstance();
99       callSetters(cfConfig, factoryClass, factory);
100       return factory;
101    }
102
103    private void callSetters(HashMap JavaDoc cfConfig,
104                             Class JavaDoc factoryClass,
105                             ConnectionFactory JavaDoc factory)
106            throws Exception JavaDoc
107    {
108       BeanPropertyDescriptor[] bpd = BeanUtils.getPd(factoryClass);
109       for (int i = 0; i < bpd.length; i++)
110       {
111          BeanPropertyDescriptor thisBPD = bpd[i];
112          String JavaDoc propName = thisBPD.getName();
113          if (cfConfig.containsKey(propName))
114          {
115             Object JavaDoc value = cfConfig.get(propName);
116             if (value == null)
117                continue;
118
119             String JavaDoc validType = thisBPD.getType().getName();
120             if (!value.getClass().getName().equals(validType))
121                throw new IllegalArgumentException JavaDoc("badType");
122             if (!thisBPD.isWriteable())
123                throw new IllegalArgumentException JavaDoc("notWriteable");
124             if (thisBPD.isIndexed())
125                throw new IllegalArgumentException JavaDoc("noIndexedSupport");
126             thisBPD.set(factory, value);
127          }
128       }
129    }
130 }
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