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Java > Open Source Codes > org > jboss > axis > configuration > EngineConfigurationFactoryDefault


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25  * if and wherever such third-party acknowledgments normally appear.
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55
56 package org.jboss.axis.configuration;
57
58 import org.jboss.axis.AxisProperties;
59 import org.jboss.axis.EngineConfiguration;
60 import org.jboss.axis.EngineConfigurationFactory;
61 import org.jboss.logging.Logger;
62
63
64 /**
65  * This is a default implementation of EngineConfigurationFactory.
66  * It is user-overrideable by a system property without affecting
67  * the caller. If you decide to override it, use delegation if
68  * you want to inherit the behaviour of this class as using
69  * class extension will result in tight loops. That is, your
70  * class should implement EngineConfigurationFactory and keep
71  * an instance of this class in a member field and delegate
72  * methods to that instance when the default behaviour is
73  * required.
74  *
75  * @author Richard A. Sitze
76  * @author Glyn Normington (glyn@apache.org)
77  */
78 public class EngineConfigurationFactoryDefault
79         implements EngineConfigurationFactory
80 {
81    private static Logger log = Logger.getLogger(EngineConfigurationFactoryDefault.class.getName());
82
83    public static final String JavaDoc OPTION_CLIENT_CONFIG_FILE = "axis.ClientConfigFile";
84    public static final String JavaDoc OPTION_SERVER_CONFIG_FILE = "axis.ServerConfigFile";
85
86    protected static final String JavaDoc CLIENT_CONFIG_FILE = "client-config.wsdd";
87    protected static final String JavaDoc SERVER_CONFIG_FILE = "server-config.wsdd";
88
89    private String JavaDoc clientConfigFile;
90
91    private String JavaDoc serverConfigFile;
92
93    /**
94     * Creates and returns a new EngineConfigurationFactory.
95     * If a factory cannot be created, return 'null'.
96     * <p/>
97     * The factory may return non-NULL only if:
98     * - it knows what to do with the param (param == null)
99     * - it can find it's configuration information
100     *
101     * @see org.jboss.axis.configuration.EngineConfigurationFactoryFinder
102     */
103    public static EngineConfigurationFactory newFactory(Object JavaDoc param)
104    {
105       if (param != null)
106          return null; // not for us.
107
108       /**
109        * Default, let this one go through.
110        *
111        * The REAL reason we are not trying to make any
112        * decision here is because it's impossible
113        * (without refactoring FileProvider) to determine
114        * if a *.wsdd file is present or not until the configuration
115        * is bound to an engine.
116        *
117        * FileProvider/EngineConfiguration pretend to be independent,
118        * but they are tightly bound to an engine instance...
119        */
120       return new EngineConfigurationFactoryDefault();
121    }
122
123    /**
124     * Create the default engine configuration and detect whether the user
125     * has overridden this with their own.
126     */
127    protected EngineConfigurationFactoryDefault()
128    {
129       clientConfigFile =
130               AxisProperties.getProperty(OPTION_CLIENT_CONFIG_FILE,
131                       CLIENT_CONFIG_FILE);
132
133       serverConfigFile =
134               AxisProperties.getProperty(OPTION_SERVER_CONFIG_FILE,
135                       SERVER_CONFIG_FILE);
136    }
137
138    /**
139     * Get a default client engine configuration.
140     *
141     * @return a client EngineConfiguration
142     */
143    public EngineConfiguration getClientEngineConfig()
144    {
145       return new FileProvider(clientConfigFile);
146    }
147
148    /**
149     * Get a default server engine configuration.
150     *
151     * @return a server EngineConfiguration
152     */
153    public EngineConfiguration getServerEngineConfig()
154    {
155       return new FileProvider(serverConfigFile);
156    }
157 }
158
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