beginning of the MongoDB support

src/main/java/org/springframework/datastore/document/DocumentMapper.java

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+/*
+ * Copyright 2010 the original author or authors.
+ *
+ * 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.springframework.datastore.document;
+
+/**
+ * Class used to map a Document to a business object.
+ *
+ * @author Thomas Risberg
+ * @since 1.0
+ */
+public interface DocumentMapper<D, T> {
+	
+	T mapDocument(D document);
+
+}

src/main/java/org/springframework/datastore/document/DocumentSource.java

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+/*
+ * Copyright 2010 the original author or authors.
+ *
+ * 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.springframework.datastore.document;
+
+/**
+ * Class used to map a business object to an object providing the source data for a Document.
+ *
+ * @author Thomas Risberg
+ * @since 1.0
+ */
+public interface DocumentSource<D, T> {
+	
+	D getDocument(T source);
+
+}

src/main/java/org/springframework/datastore/document/mongodb/MongoDbFactoryBean.java

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+/*
+ * Copyright 2010 the original author or authors.
+ *
+ * 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.springframework.datastore.document.mongodb;
+
+import org.springframework.beans.factory.FactoryBean;
+import org.springframework.beans.factory.InitializingBean;
+
+import com.mongodb.DB;
+import com.mongodb.Mongo;
+
+import org.apache.commons.logging.Log;
+import org.apache.commons.logging.LogFactory;
+
+/**
+ * Convenient factory for configuring MongoDB.
+ *
+ * @author Thomas Risberg
+ * @since 1.0
+ */
+public class MongoDbFactoryBean implements FactoryBean<DB>, InitializingBean {
+
+	/**
+	 * Logger, available to subclasses.
+	 */
+	protected final Log logger = LogFactory.getLog(getClass());
+
+	private Mongo mongo;
+	private String databaseName;
+	
+	public void setMongo(Mongo mongo) {
+		this.mongo = mongo;
+	}
+
+	public void setDatabaseName(String databaseName) {
+		this.databaseName = databaseName;
+	}
+
+	public DB getObject() throws Exception {
+		return mongo.getDB(databaseName);
+	}
+
+	public Class<? extends DB> getObjectType() {
+		return DB.class;
+	}
+
+	public boolean isSingleton() {
+		return false;
+	}
+
+	public void afterPropertiesSet() throws Exception {
+		if (databaseName == null) {
+			logger.warn("Property databaseName not specified. Using default name 'test'");
+			databaseName = "test";
+		}
+		if (mongo == null) {
+			logger.warn("Property mongo not specified. Using default configuration");
+			mongo = new Mongo();
+		}
+	}
+
+}