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- /*
- * Copyright (c) 2006-2015 DMDirc Developers
- *
- * Permission is hereby granted, free of charge, to any person obtaining a copy
- * of this software and associated documentation files (the "Software"), to deal
- * in the Software without restriction, including without limitation the rights
- * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
- * copies of the Software, and to permit persons to whom the Software is
- * furnished to do so, subject to the following conditions:
- *
- * The above copyright notice and this permission notice shall be included in
- * all copies or substantial portions of the Software.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
- * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
- * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
- * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
- * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
- * SOFTWARE.
- */
-
- package com.dmdirc.actions;
-
- import com.dmdirc.FrameContainer;
- import com.dmdirc.GlobalWindow;
- import com.dmdirc.Precondition;
- import com.dmdirc.commandparser.parsers.CommandParser;
- import com.dmdirc.interfaces.actions.ActionType;
-
- import java.util.ArrayList;
- import java.util.Arrays;
- import java.util.List;
-
- import javax.inject.Provider;
-
- /**
- * Represents the basic model of an action, and its triggering mechanism. Saving and loading are
- * handled by the Action class.
- */
- public class ActionModel {
-
- // TODO: Sort out the mess of protected fields here.
-
- /** Provider of global windows for global actions. */
- private final Provider<GlobalWindow> globalWindowProvider;
- /** Factory to use to creator substitutors. */
- private final ActionSubstitutorFactory substitutorFactory;
- /** The group this action belongs to. */
- protected String group;
- /** The name of this action. */
- protected String name;
- /** The ActionTypes that trigger this action. */
- protected ActionType[] triggers;
- /** The commands to execute if this action is triggered. */
- protected String[] response;
- /** The change that should be made to the format string, if any. */
- protected String newFormat;
- /** The conditions for this action. */
- protected List<ActionCondition> conditions = new ArrayList<>();
- /** The condition tree used for evaluating conditions. */
- protected ConditionTree conditionTree;
- /** Whether this action has been modified or not. */
- protected boolean modified;
- /** Whether this action wishes the event to be stopped. */
- protected boolean stop;
- /** The concurrency group this action belongs to, if any. */
- protected String concurrencyGroup;
- /** The status of this action. */
- protected ActionStatus status = ActionStatus.ACTIVE;
- /** A description of any error that occurs while creating the action. */
- protected String error;
- /** The type of error that occurred, if any. */
- protected ActionErrorType errorType;
-
- /**
- * Creates a new instance of ActionModel with the specified properties.
- *
- * @param globalWindowProvider Provider of global windows for global actions.
- * @param substitutorFactory Factory to use to create action substitutors.
- * @param group The group the action belongs to
- * @param name The name of the action
- */
- public ActionModel(
- final Provider<GlobalWindow> globalWindowProvider,
- final ActionSubstitutorFactory substitutorFactory,
- final String group,
- final String name) {
- this.globalWindowProvider = globalWindowProvider;
- this.substitutorFactory = substitutorFactory;
- this.group = group;
- this.name = name;
- }
-
- /**
- * Creates a new instance of ActionModel with the specified properties.
- * @param globalWindowProvider Provider of global windows for global actions.
- * @param substitutorFactory Factory to use to create action substitutors.
- * @param group The group the action belongs to
- * @param name The name of the action
- * @param triggers The triggers to use
- * @param response The response to use
- * @param conditions The conditions to use
- * @param conditionTree The condition tree to use
- * @param newFormat The new formatter to use
- */
- public ActionModel(
- final Provider<GlobalWindow> globalWindowProvider,
- final ActionSubstitutorFactory substitutorFactory,
- final String group, final String name,
- final ActionType[] triggers, final String[] response,
- final List<ActionCondition> conditions,
- final ConditionTree conditionTree, final String newFormat) {
- this(globalWindowProvider, substitutorFactory, group, name);
- this.triggers = triggers.clone();
- this.response = response.clone();
- this.conditions = conditions;
- this.conditionTree = conditionTree;
- this.newFormat = newFormat;
- this.modified = true;
- }
-
- /**
- * Triggers this action.
- *
- * @param format The format of the message that's going to be displayed.
- * @param arguments The arguments from the action that caused this trigger.
- *
- * @return True if the execution of the event should be stopped, or false if the event may
- * continue
- */
- @Precondition({
- "This action has at least one trigger",
- "This action's primary trigger is non-null"
- })
- public boolean trigger(final StringBuffer format, final Object... arguments) {
- assert triggers.length > 0;
- assert triggers[0] != null;
-
- if (status != ActionStatus.ACTIVE) {
- return false;
- }
-
- final ActionSubstitutor sub = substitutorFactory.getActionSubstitutor(triggers[0]);
-
- if (!test(sub, arguments)) {
- return false;
- }
-
- final FrameContainer container;
- if (arguments.length > 0 && arguments[0] instanceof FrameContainer
- && ((FrameContainer) arguments[0]).isWritable()) {
- container = (FrameContainer) arguments[0];
- } else {
- container = globalWindowProvider.get();
- }
-
- final CommandParser cp = container.getCommandParser();
- for (String command : response) {
- cp.parseCommand(container, sub.doSubstitution(command, arguments));
- }
-
- if (newFormat != null && format != null) {
- format.setLength(0);
- format.append(newFormat);
- }
-
- return stop;
- }
-
- /**
- * Tests to see if this action should be triggered or not.
- *
- * @param sub The ActionsSubstitutor to use to substitute args
- * @param arguments The arguments for the action event
- *
- * @return True if the action should be executed, false otherwise
- */
- public boolean test(final ActionSubstitutor sub,
- final Object... arguments) {
- final boolean[] results = new boolean[conditions.size()];
-
- int i = 0;
- for (ActionCondition condition : conditions) {
- results[i++] = condition.test(sub, arguments);
- }
-
- return getRealConditionTree().evaluate(results);
- }
-
- /**
- * Retrieves a list of this action's conditions.
- *
- * @return A list of this action's conditions
- */
- public List<ActionCondition> getConditions() {
- return conditions;
- }
-
- /**
- * Sets this action's conditions.
- *
- * @param conditions A list of conditions to use
- */
- public void setConditions(final List<ActionCondition> conditions) {
- this.conditions = conditions;
- this.modified = true;
- }
-
- /**
- * Retrieves the status of this action.
- *
- * @since 0.6.5
- * @return This action's current status
- */
- public ActionStatus getStatus() {
- return status;
- }
-
- /**
- * Retrieves a plain text description of any error that occurred while loading this action.
- *
- * @since 0.6.5
- * @return This action's error message, or null if no error was encountered
- */
- public String getError() {
- return error;
- }
-
- /**
- * Retrieves the type of the error that occurred while loading this action.
- *
- * @since 0.6.5
- * @return This action's error's type, or null if no error was encountered
- */
- public ActionErrorType getErrorType() {
- return errorType;
- }
-
- /**
- * Retrieves this action's triggers.
- *
- * @return The triggers used by this action
- */
- public ActionType[] getTriggers() {
- return triggers == null ? null : triggers.clone();
- }
-
- /**
- * Sets this action's triggers.
- *
- * @param triggers The new triggers to use
- */
- public void setTriggers(final ActionType[] triggers) {
- this.triggers = triggers.clone();
- this.modified = true;
- }
-
- /**
- * Retrieves this action's new format setting.
- *
- * @return The format that this action will use, or null if no change
- */
- public String getNewFormat() {
- return newFormat;
- }
-
- /**
- * Sets this action's new format setting.
- *
- * @param newFormat The new 'new format' setting
- */
- public void setNewFormat(final String newFormat) {
- this.newFormat = newFormat;
- this.modified = true;
- }
-
- /**
- * Retrieves this action's response.
- *
- * @return The commands that will be executed if this action is triggered
- */
- public String[] getResponse() {
- return response == null ? null : response.clone();
- }
-
- /**
- * Sets this action's response.
- *
- * @param response The new response to use
- */
- public void setResponse(final String[] response) {
- this.response = response.clone();
- this.modified = true;
- }
-
- /**
- * Retrieves this action's group name.
- *
- * @return This action's group name
- */
- public String getGroup() {
- return group;
- }
-
- /**
- * Sets the group of this action.
- *
- * @param newGroup The new group for this action
- */
- public void setGroup(final String newGroup) {
- this.group = newGroup;
- this.modified = true;
- }
-
- /**
- * Retrieves this action's name.
- *
- * @return This action's name
- */
- public String getName() {
- return name;
- }
-
- /**
- * Sets the name of this action.
- *
- * @param newName The new name for this action
- */
- public void setName(final String newName) {
- this.name = newName;
- this.modified = true;
- }
-
- /**
- * Retrieves the condition tree used for this action. Condition trees may be null, in which case
- * the arguments are conjoined together.
- *
- * @return This action's condition tree
- */
- public ConditionTree getConditionTree() {
- return conditionTree;
- }
-
- /**
- * Retrieves a concrete condition tree used for this action. If there is no condition tree
- * defined for this action, returns a conjunction tree for the arguments.
- *
- * @since 0.6
- * @return A {@link ConditionTree} object for this action
- */
- public ConditionTree getRealConditionTree() {
- return conditionTree == null ? ConditionTree.createConjunction(
- conditions.size()) : conditionTree;
- }
-
- /**
- * Sets the condition tree used for this action.
- *
- * @param conditionTree The new condition tree to be used
- */
- public void setConditionTree(final ConditionTree conditionTree) {
- this.conditionTree = conditionTree;
- this.modified = true;
- }
-
- /**
- * Retrieves the concurrency group of this action.
- *
- * @return This action's concurrency group
- *
- * @since 0.6.3
- */
- public String getConcurrencyGroup() {
- return concurrencyGroup;
- }
-
- /**
- * Sets the concurrency group of this action.
- *
- * @param concurrencyGroup This action's new concurrency group
- *
- * @since 0.6.3
- */
- public void setConcurrencyGroup(final String concurrencyGroup) {
- this.concurrencyGroup = (concurrencyGroup == null
- || concurrencyGroup.isEmpty()) ? null : concurrencyGroup;
- }
-
- /**
- * Determines whether or not this action will stop the event execution if it is triggered.
- *
- * @return The stopping preference of this action
- *
- * @see #setStopping(boolean)
- * @since 0.6.4
- */
- public boolean isStopping() {
- return stop;
- }
-
- /**
- * Sets the stopping preference of this action. If the stopping preference is {@code true} then
- * when this action is successfully triggered,it will request that execution of the event is
- * stopped. This will prevent the default behaviour of the callee being executed.
- *
- * @param stop The new stopping preference of this action
- *
- * @see #isStopping()
- * @since 0.6.4
- */
- public void setStopping(final boolean stop) {
- this.stop = stop;
- }
-
- /**
- * Determine if this model has been modified since it was constructed or its modified status was
- * reset.
- *
- * @return True if this model has been modified, false otherwise
- */
- public boolean isModified() {
- return modified;
- }
-
- /**
- * Resets the modified status of this model. After a call to resetModified(), this model will
- * report that it has not been modified, until one of the set* methods is used.
- */
- public void resetModified() {
- this.modified = false;
- }
-
- @Override
- public String toString() {
- return "[name=" + group + "/" + name + ", triggers="
- + Arrays.toString(triggers) + ", response="
- + Arrays.toString(response) + ", "
- + conditions + ", format='" + newFormat + "']";
- }
-
- }
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