Github user aledsage commented on a diff in the pull request:
https://github.com/apache/incubator-brooklyn/pull/48#discussion_r15048689
--- Diff:
software/base/src/main/java/brooklyn/entity/software/http/HttpRequestSensor.java
---
@@ -0,0 +1,60 @@
+package brooklyn.entity.software.http;
+
+import brooklyn.config.ConfigKey;
+import brooklyn.entity.basic.ConfigKeys;
+import brooklyn.entity.basic.EntityLocal;
+import brooklyn.entity.effector.AddSensor;
+import brooklyn.event.AttributeSensor;
+import brooklyn.event.feed.http.HttpFeed;
+import brooklyn.event.feed.http.HttpPollConfig;
+import brooklyn.event.feed.http.HttpValueFunctions;
+import brooklyn.util.config.ConfigBag;
+import brooklyn.util.time.Duration;
+import com.google.common.base.Functions;
+import com.google.common.base.Preconditions;
+import org.slf4j.LoggerFactory;
+
+import java.util.Map;
+
+/**
+ * Configurable {@link brooklyn.entity.proxying.EntityInitializer} which
adds an HTTP sensor feed to retrieve the
+ * <code>JSONObject</code> from a JSON response in order to populate the
sensor with the indicated <code>name</code>.
+ */
+public final class HttpRequestSensor<T> extends AddSensor<T,
AttributeSensor<T>> {
+
+ private static final org.slf4j.Logger log =
LoggerFactory.getLogger(HttpRequestSensor.class);
+
+ public static final ConfigKey<String> JSON_PATH =
ConfigKeys.newStringConfigKey("jsonPath");
+ public static final ConfigKey<String> SENSOR_URI =
ConfigKeys.newStringConfigKey("uri");
+
+ private String jsonPath;
--- End diff --
Preference for final fields wherever appropriate; but don't worry about it.
See http://www.ibm.com/developerworks/library/j-jtp1029/index.html (in
particular the section on how great and underused final fields are).
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