DATACOUCH-362 - Use dynamic proxying

Dynamic proxying for couchbase environment instead of an explicit no shutdown
proxy.

Original pull request: #157.

DATACOUCH-363 - Upgrade to 2.5.5

Java client upgrade. Remove the dcpEnabled property from
CouchbaseEnvironment factory bean and parser.

Original pull request: #157.

src/integration/java/org/springframework/data/couchbase/IntegrationTestNoShutdownApplicationConfig.java

@@ -0,0 +1,55 @@
+package org.springframework.data.couchbase;
+
+import java.util.Collections;
+import java.util.List;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.context.annotation.Bean;
+import org.springframework.core.env.Environment;
+import org.springframework.data.couchbase.config.AbstractCouchbaseConfiguration;
+import org.springframework.data.couchbase.config.CouchbaseConfigurer;
+
+/**
+ * Configuration for testing no shutdown
+ *
+ * @author Subhashni Balakrishnan
+ */
+public class IntegrationTestNoShutdownApplicationConfig extends AbstractCouchbaseConfiguration {
+
+    @Autowired
+    private Environment springEnv;
+
+    @Bean
+    public String couchbaseAdminUser() {
+        return springEnv.getProperty("couchbase.adminUser", "Administrator");
+    }
+
+    @Bean
+    public String couchbaseAdminPassword() {
+        return springEnv.getProperty("couchbase.adminUser", "password");
+    }
+
+    @Override
+    protected List<String> getBootstrapHosts() {
+        return Collections.singletonList(springEnv.getProperty("couchbase.host", "127.0.0.1"));
+    }
+
+    @Override
+    protected String getBucketName() {
+        return springEnv.getProperty("couchbase.bucket", "default");
+    }
+
+    @Override
+    protected String getBucketPassword() {
+        return springEnv.getProperty("couchbase.password", "");
+    }
+
+    @Override
+    protected boolean isEnvironmentManagedBySpring() {
+        return false;
+    }
+
+    @Override
+    protected CouchbaseConfigurer couchbaseConfigurer() {
+        return this;
+    }
+}

src/integration/java/org/springframework/data/couchbase/config/CouchbaseEnvironmentNoShutdownProxyTest.java

@@ -0,0 +1,26 @@
+package org.springframework.data.couchbase.config;
+
+import com.couchbase.client.java.env.CouchbaseEnvironment;
+import org.junit.Assert;
+import org.junit.Test;
+import org.junit.runner.RunWith;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.data.couchbase.IntegrationTestNoShutdownApplicationConfig;
+import org.springframework.test.context.ContextConfiguration;
+import org.springframework.test.context.junit4.SpringJUnit4ClassRunner;
+
+/**
+ * Simple test to make sure that environment is not shutdown if not life cycle managed by Spring.
+ */
+@RunWith(SpringJUnit4ClassRunner.class)
+@ContextConfiguration(classes = IntegrationTestNoShutdownApplicationConfig.class)
+public class CouchbaseEnvironmentNoShutdownProxyTest {
+
+	@Autowired
+	public CouchbaseEnvironment environment;
+
+	@Test
+	public void testEnvironmentShutDown() {
+		Assert.assertEquals("Should return false", false, environment.shutdown());
+	}
+}