diff options
Diffstat (limited to 'sca-java-1.x/tags/java-M1-final/java/sca/core/src/main/java/org/apache/tuscany/core/loader/impl/JNDIPropertyFactory.java')
-rw-r--r-- | sca-java-1.x/tags/java-M1-final/java/sca/core/src/main/java/org/apache/tuscany/core/loader/impl/JNDIPropertyFactory.java | 62 |
1 files changed, 62 insertions, 0 deletions
diff --git a/sca-java-1.x/tags/java-M1-final/java/sca/core/src/main/java/org/apache/tuscany/core/loader/impl/JNDIPropertyFactory.java b/sca-java-1.x/tags/java-M1-final/java/sca/core/src/main/java/org/apache/tuscany/core/loader/impl/JNDIPropertyFactory.java new file mode 100644 index 0000000000..763c88295c --- /dev/null +++ b/sca-java-1.x/tags/java-M1-final/java/sca/core/src/main/java/org/apache/tuscany/core/loader/impl/JNDIPropertyFactory.java @@ -0,0 +1,62 @@ +/** + * + * Copyright 2006 The Apache Software Foundation + * + * Licensed 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.tuscany.core.loader.impl; + +import javax.xml.stream.XMLStreamReader; +import javax.xml.stream.XMLStreamException; +import javax.naming.Context; +import javax.naming.InitialContext; +import javax.naming.NamingException; + +import org.apache.tuscany.core.loader.StAXPropertyFactory; +import org.apache.tuscany.core.builder.ObjectFactory; +import org.apache.tuscany.core.config.ConfigurationLoadException; +import org.apache.tuscany.core.injection.JNDIObjectFactory; +import org.apache.tuscany.model.assembly.Property; + +/** + * A StAXPropertyFactory that creates property values by looking them + * up in the default JNDI InitialContext. + * + * This can be used to locate resources in a J2EE environment and inject + * them as configuration properties. For example, to access a database + * a component could write: + * <code> + * &at;Property DataSource myDB; + * </code> + * and configure with + * <code> + * <properties> + * <v:myDb>java:comp/env/jdbc/MyDatabase</v:myDB> + * </properties> + * </code> + * + * @version $Rev$ $Date$ + */ +public class JNDIPropertyFactory implements StAXPropertyFactory { + public ObjectFactory<?> createObjectFactory(XMLStreamReader reader, Property property) throws XMLStreamException, ConfigurationLoadException { + Class<?> type = property.getType(); + assert type != null : "property type is null"; + String text = reader.getElementText(); + try { + Context context = new InitialContext(); + return new JNDIObjectFactory(context, text); + } catch (NamingException e) { + throw new ConfigurationLoadException(e); + } + } +} |