1 package com.indexdata.mkjsf.pazpar2.state;
\r
3 import java.util.HashMap;
\r
4 import java.util.Map;
\r
6 import com.indexdata.mkjsf.pazpar2.commands.BytargetCommand;
\r
7 import com.indexdata.mkjsf.pazpar2.commands.InfoCommand;
\r
8 import com.indexdata.mkjsf.pazpar2.commands.InitCommand;
\r
9 import com.indexdata.mkjsf.pazpar2.commands.Pazpar2Command;
\r
10 import com.indexdata.mkjsf.pazpar2.commands.Pazpar2Commands;
\r
11 import com.indexdata.mkjsf.pazpar2.commands.PingCommand;
\r
12 import com.indexdata.mkjsf.pazpar2.commands.RecordCommand;
\r
13 import com.indexdata.mkjsf.pazpar2.commands.SearchCommand;
\r
14 import com.indexdata.mkjsf.pazpar2.commands.SettingsCommand;
\r
15 import com.indexdata.mkjsf.pazpar2.commands.ShowCommand;
\r
16 import com.indexdata.mkjsf.pazpar2.commands.StatCommand;
\r
17 import com.indexdata.mkjsf.pazpar2.commands.TermlistCommand;
\r
18 import com.indexdata.mkjsf.pazpar2.commands.sp.AuthCommand;
\r
19 import com.indexdata.mkjsf.pazpar2.commands.sp.CategoriesCommand;
\r
20 import com.indexdata.mkjsf.pazpar2.commands.sp.ServiceProxyCommands;
\r
23 * Holds a 'pazpar2 state', understood as a full set of pazpar2 commands and
\r
24 * all their parameter settings at a given point in time.
\r
26 * @author Niels Erik
\r
29 public class Pazpar2State {
\r
32 Map<String,Pazpar2Command> commands = new HashMap<String,Pazpar2Command>();
\r
34 public Pazpar2State () {
\r
36 commands.put(Pazpar2Commands.INIT, new InitCommand());
\r
37 commands.put(Pazpar2Commands.PING, new PingCommand());
\r
38 commands.put(Pazpar2Commands.SETTINGS, new SettingsCommand());
\r
39 commands.put(Pazpar2Commands.SEARCH, new SearchCommand());
\r
40 commands.put(Pazpar2Commands.STAT, new StatCommand());
\r
41 commands.put(Pazpar2Commands.SHOW, new ShowCommand());
\r
42 commands.put(Pazpar2Commands.RECORD, new RecordCommand());
\r
43 commands.put(Pazpar2Commands.TERMLIST, new TermlistCommand());
\r
44 commands.put(Pazpar2Commands.BYTARGET, new BytargetCommand());
\r
45 commands.put(Pazpar2Commands.INFO, new InfoCommand());
\r
47 commands.put(ServiceProxyCommands.AUTH, new AuthCommand());
\r
48 commands.put(ServiceProxyCommands.CATEGORIES, new CategoriesCommand());
\r
54 * Creates new state by cloning all commands of the provided state and
\r
55 * then overriding one of them with the provided state changing command.
\r
57 * @param previousState
\r
60 public Pazpar2State (Pazpar2State previousState, Pazpar2Command newCommand) {
\r
61 for (String commandName : previousState.commands.keySet()) {
\r
62 this.commands.put(commandName, previousState.commands.get(commandName).copy());
\r
64 this.commands.put(newCommand.getCommandName(),newCommand);
\r
65 this.key = getKey();
\r
69 * Generates a state key that can be used by the browser to pick
\r
70 * up this state again at a later point in time.
\r
72 * @see {@link com.indexdata.mkjsf.pazpar2.state.StateManager#setCurrentStateKey}
\r
75 public String getKey() {
\r
77 StringBuilder querystatebuilder = new StringBuilder("");
\r
78 for (Pazpar2Command command : commands.values()) {
\r
79 if (! (command instanceof AuthCommand )) {
\r
80 if (command.hasParameters()) {
\r
81 querystatebuilder.append("||"+command.getCommandName()+"::");
\r
82 querystatebuilder.append(command.getValueWithExpressions());
\r
86 key = "#"+querystatebuilder.toString().hashCode();
\r
94 * Checks if a command represents a change of this state
\r
97 * @return true if the command causes a change of state
\r
99 public boolean stateMutating (Pazpar2Command command) {
\r
100 if (command == null) {
\r
102 } else if (commands.get(command.getCommandName()) == null) {
\r
104 } else if ((command.equals(commands.get(command.getCommandName())))) {
\r
112 * Returns a command from this state
\r
117 public Pazpar2Command getCommand(String name) {
\r
118 return commands.get(name);
\r