DATACOUCH-6 - add support for xml-based configurations

src/main/java/org/springframework/data/couchbase/config/CouchbaseNamespaceHandler.java

@@ -0,0 +1,41 @@
+/*
+ * Copyright 2013 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.data.couchbase.config;
+
+import org.springframework.beans.factory.xml.NamespaceHandlerSupport;
+import org.springframework.data.couchbase.repository.config.CouchbaseRepositoryConfigurationExtension;
+import org.springframework.data.repository.config.RepositoryBeanDefinitionParser;
+import org.springframework.data.repository.config.RepositoryConfigurationExtension;
+
+/**
+ * {@link org.springframework.beans.factory.xml.NamespaceHandler} for Couchbase configuration.
+ *
+ * @author Michael Nitschinger
+ */
+public class CouchbaseNamespaceHandler extends NamespaceHandlerSupport {
+
+  public void init() {
+    RepositoryConfigurationExtension extension = new CouchbaseRepositoryConfigurationExtension();
+    RepositoryBeanDefinitionParser repositoryBeanDefinitionParser = new RepositoryBeanDefinitionParser(extension);
+
+    registerBeanDefinitionParser("repositories", repositoryBeanDefinitionParser);
+    registerBeanDefinitionParser("mongo", new CouchbaseParser());
+    registerBeanDefinitionParser("jmx", new CouchbaseJmxParser());
+    registerBeanDefinitionParser("template", new CouchbaseTemplateParser());
+  }
+
+}

src/main/java/org/springframework/data/couchbase/config/CouchbaseParser.java

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+/*
+ * Copyright 2013 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.data.couchbase.config;
+
+import com.couchbase.client.CouchbaseClient;
+import org.springframework.beans.factory.config.BeanDefinition;
+import org.springframework.beans.factory.support.BeanDefinitionBuilder;
+import org.springframework.beans.factory.xml.BeanDefinitionParser;
+import org.springframework.beans.factory.xml.ParserContext;
+import org.springframework.data.config.BeanComponentDefinitionBuilder;
+import org.springframework.data.config.ParsingUtils;
+import org.w3c.dom.Element;
+
+/**
+ * Parser for "<couchbase>" definitions.
+ *
+ * @author Michael Nitschinger
+ */
+public class CouchbaseParser implements BeanDefinitionParser {
+
+  @Override
+  public BeanDefinition parse(final Element element, final ParserContext parserContext) {
+    Object source = parserContext.extractSource(element);
+    String id = element.getAttribute("id");
+
+    BeanComponentDefinitionBuilder helper = new BeanComponentDefinitionBuilder(element, parserContext);
+
+    BeanDefinitionBuilder builder = BeanDefinitionBuilder.genericBeanDefinition(CouchbaseClient.class);
+    builder.s
+    ParsingUtils.setPropertyValue(builder, element, "port", "port");
+    ParsingUtils.setPropertyValue(builder, element, "host", "host");
+
+  }
+}

src/main/java/org/springframework/data/couchbase/core/CouchbaseFactoryBean.java

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+/*
+ * Copyright 2013 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.data.couchbase.core;
+
+import com.couchbase.client.CouchbaseClient;
+import com.couchbase.client.CouchbaseConnectionFactory;
+import com.couchbase.client.CouchbaseConnectionFactoryBuilder;
+import net.spy.memcached.FailureMode;
+import org.springframework.beans.factory.DisposableBean;
+import org.springframework.beans.factory.FactoryBean;
+import org.springframework.beans.factory.InitializingBean;
+import org.springframework.dao.DataAccessException;
+import org.springframework.dao.support.PersistenceExceptionTranslator;
+
+import java.net.URI;
+import java.util.ArrayList;
+import java.util.Arrays;
+import java.util.Collections;
+import java.util.List;
+import java.util.concurrent.TimeUnit;
+
+/**
+ * Convenient Factory for configuring Couchbase.
+ *
+ * @author Michael Nitschinger
+ */
+public class CouchbaseFactoryBean implements FactoryBean<CouchbaseClient>, InitializingBean,
+  DisposableBean, PersistenceExceptionTranslator{
+
+  public static final String DEFAULT_NODE = "127.0.0.1";
+  public static final String DEFAULT_BUCKET = "default";
+  public static final String DEFAULT_PASSWORD = "";
+
+  private CouchbaseClient couchbaseClient;
+  private PersistenceExceptionTranslator exceptionTranslator = new CouchbaseExceptionTranslator();
+  private String bucket;
+  private String password;
+  private List<URI> nodes;
+  private CouchbaseConnectionFactoryBuilder builder = new CouchbaseConnectionFactoryBuilder();
+
+  public void setObservePollInterval(final int interval) {
+    builder.setObsPollInterval(interval);
+  }
+
+  public void setObservePollMax(final int max) {
+    builder.setObsPollMax(max);
+  }
+
+  public void setReconnectThresholdTime(final int time) {
+    builder.setReconnectThresholdTime(time, TimeUnit.SECONDS);
+  }
+
+  public void setViewTimeout(final int timeout) {
+    builder.setViewTimeout(timeout);
+  }
+
+  public void setFailureMode(final String mode) {
+    builder.setFailureMode(FailureMode.valueOf(mode));
+  }
+
+  public void setOpTimeout(final int timeout) {
+    builder.setOpTimeout(timeout);
+  }
+
+  public void setOpQueueMaxBlockTime(final int time) {
+    builder.setOpQueueMaxBlockTime(time);
+  }
+
+  @Override
+  public void destroy() throws Exception {
+    couchbaseClient.shutdown();
+  }
+
+  @Override
+  public CouchbaseClient getObject() throws Exception {
+    return couchbaseClient;
+  }
+
+  @Override
+  public Class<?> getObjectType() {
+    return CouchbaseClient.class;
+  }
+
+  @Override
+  public boolean isSingleton() {
+    return true;
+  }
+
+  public void setNodes(final URI[] nodes) {
+    this.nodes = filterNonNullElementsAsList(nodes);
+  }
+
+  private <T> List<T> filterNonNullElementsAsList(T[] elements) {
+    if (elements == null) {
+      return Collections.emptyList();
+    }
+
+    List<T> candidateElements = new ArrayList<T>();
+    for (T element : elements) {
+      if (element != null) {
+        candidateElements.add(element);
+      }
+    }
+
+    return Collections.unmodifiableList(candidateElements);
+  }
+
+  @Override
+  public void afterPropertiesSet() throws Exception {
+    nodes = nodes != null ? nodes : Arrays.asList(new URI("http://" + DEFAULT_NODE + ":8091/pools"));
+    bucket = bucket != null ? bucket : DEFAULT_BUCKET;
+    password = password != null ? password : DEFAULT_PASSWORD;
+
+    CouchbaseConnectionFactory factory = builder.buildCouchbaseConnection(nodes, bucket, password);
+    couchbaseClient = new CouchbaseClient(factory);
+  }
+
+  @Override
+  public DataAccessException translateExceptionIfPossible(final RuntimeException ex) {
+    return exceptionTranslator.translateExceptionIfPossible(ex);
+  }
+}