import java.util.List;\r
import java.util.Map;\r
\r
-import javax.enterprise.context.SessionScoped;\r
-\r
import org.apache.log4j.Logger;\r
\r
import com.indexdata.mkjsf.pazpar2.commands.Pazpar2Command;\r
import com.indexdata.mkjsf.utils.Utils;\r
\r
-@SessionScoped\r
public class StateManager implements Serializable {\r
\r
private static final long serialVersionUID = 8152558351351730035L;\r
\r
Map<String, Pazpar2State> states = new HashMap<String, Pazpar2State>();\r
String currentKey = "";\r
- private static List<String> allCommands = new ArrayList<String>(Arrays.asList("init","ping","settings","search","stat","show","record","termlist","bytarget"));\r
+ private static List<String> allCommands = new ArrayList<String>(Arrays.asList("init","ping","settings","search","stat","show","record","termlist","bytarget",\r
+ /* SP extras */ "auth","categories"));\r
Map<String,Boolean> pendingStateChanges = new HashMap<String,Boolean>();\r
private static Logger logger = Logger.getLogger(StateManager.class);\r
- private List<StateListener> listeners = new ArrayList<StateListener>();\r
+ private List<StateListener> listeners = new ArrayList<StateListener>(); \r
\r
public StateManager () {\r
logger.info("Initializing a Pazpar2 state manager [" + Utils.objectId(this) + "]");\r
- Pazpar2State initialState = new Pazpar2State(this);\r
+ Pazpar2State initialState = new Pazpar2State();\r
states.put(initialState.getKey(), initialState);\r
currentKey = initialState.getKey();\r
for (String command : allCommands) {\r
pendingStateChanges.put(command, new Boolean(false));\r
- }\r
+ } \r
}\r
\r
public void addStateListener(StateListener listener) {\r
*/\r
public void checkIn(Pazpar2Command command) {\r
if (getCurrentState().stateMutating(command)) {\r
- logger.debug("State changed by: " + command.getName());\r
+ logger.info("State changed by: " + command.getCommandName());\r
Pazpar2State state = new Pazpar2State(getCurrentState(),command);\r
states.put(state.getKey(), state);\r
currentKey = state.getKey();\r
- hasPendingStateChange(command.getName(),new Boolean(true)); \r
- logger.debug("Updating " + listeners.size() + " listener(s) with state change from " + command);\r
- updateListeners(command.getName()); \r
+ hasPendingStateChange(command.getCommandName(),new Boolean(true)); \r
+ logger.info("Updating " + listeners.size() + " listener(s) with state change from " + command);\r
+ updateListeners(command.getCommandName()); \r
} else {\r
- logger.debug("Command " + command.getName() + " not found to change the state [" + command.getEncodedQueryString() + "]");\r
+ logger.debug("Command " + command.getCommandName() + " not found to change the state [" + command.getEncodedQueryString() + "]");\r
}\r
}\r
\r
* Changes the current state key. Invoked from the UI to have the state \r
* manager switch to another state than the current one. \r
* \r
+ * @See The state field in pz2watch.xhtml<br/> \r
+ * The state listeners windowlocationhashListener() and StateListener()\r
+ * in listeners.js<br/>\r
+ * The method {@link com.indexdata.mkjsf.pazpar2.Pz2Service#handleQueryStateChanges}<br/>\r
+ * The class {@link com.indexdata.mkjsf.pazpar2.state.Pazpar2State}<br/> \r
+ * ... for a complete picture of browser history handling.\r
+ * \r
* @param key\r
*/\r
public void setCurrentStateKey(String key) { \r
if (currentKey.equals(key)) {\r
- logger.debug("setCurrentStateKey: no key change detected");\r
+ logger.info("Ignoring request from UI to set state key, already has that key [" + key + "]");\r
} else {\r
- logger.debug("State key change. Was: [" + currentKey + "]. Will be ["+key+"]");\r
+ logger.info("Request from UI to change state key from: [" + currentKey + "] to ["+key+"]");\r
if (states.get(key)==null) {\r
- logger.error("The back-end received an unknow state key."); \r
- } else {\r
- if (states.get(key).getCommand("search").equals(states.get(currentKey).getCommand("search"))) {\r
- logger.debug("No search change detected");\r
+ logger.error("Have no state registered for the key ["+ key +"].");\r
+ if (key == null || key.length()==0) {\r
+ logger.debug("Recived an empty key, retaining currentKey [" + currentKey + "]");\r
+ key = currentKey;\r
} else {\r
- hasPendingStateChange("search",true);\r
+ if (states.get(currentKey) != null) {\r
+ if (key.equals("#1")) {\r
+ logger.debug("Initial key created [" + key + "], but already got a state registered for the current key [" + currentKey + "]. Retaining current key.");\r
+ key = currentKey;\r
+ } else {\r
+ logger.info("Current search state cached under both new key [" + key + "] and current key [" + currentKey + "]");\r
+ states.put(key,states.get(currentKey));\r
+ }\r
+ }\r
}\r
- if (states.get(key).getCommand("record").equals(states.get(currentKey).getCommand("record"))) {\r
- logger.debug("No record change detected");\r
- } else {\r
- hasPendingStateChange("record",true);\r
- }\r
- currentKey = key;\r
- } \r
+ }\r
+ \r
+ if (states.get(key).getCommand("search").equals(states.get(currentKey).getCommand("search"))) {\r
+ logger.debug("No search change detected as a consequence of processing the key ["+key+"]");\r
+ } else {\r
+ hasPendingStateChange("search",true);\r
+ }\r
+ if (states.get(key).getCommand("record").equals(states.get(currentKey).getCommand("record"))) {\r
+ logger.debug("No record change detected as a consequence of processing the key ["+key+"]");\r
+ } else {\r
+ hasPendingStateChange("record",true);\r
+ }\r
+ currentKey = key; \r
}\r
}\r
\r