| /******************************************************************************* |
| * Copyright (c) 2000, 2008 IBM Corporation and others. |
| * All rights reserved. This program and the accompanying materials |
| * are made available under the terms of the Eclipse Public License v1.0 |
| * which accompanies this distribution, and is available at |
| * http://www.eclipse.org/legal/epl-v10.html |
| * |
| * Contributors: |
| * IBM Corporation - initial API and implementation |
| *******************************************************************************/ |
| |
| package org.eclipse.ui.internal.activities; |
| |
| import java.util.ArrayList; |
| import java.util.HashSet; |
| import java.util.Iterator; |
| import java.util.List; |
| import java.util.Set; |
| |
| import org.eclipse.core.expressions.Expression; |
| import org.eclipse.ui.activities.ActivityEvent; |
| import org.eclipse.ui.activities.IActivity; |
| import org.eclipse.ui.activities.IActivityListener; |
| import org.eclipse.ui.activities.IActivityPatternBinding; |
| import org.eclipse.ui.activities.IActivityRequirementBinding; |
| import org.eclipse.ui.activities.NotDefinedException; |
| import org.eclipse.ui.internal.util.Util; |
| |
| final class Activity implements IActivity { |
| private final static int HASH_FACTOR = 89; |
| |
| private final static int HASH_INITIAL = Activity.class.getName().hashCode(); |
| |
| private final static Set strongReferences = new HashSet(); |
| |
| private Set activityRequirementBindings; |
| |
| private transient IActivityRequirementBinding[] activityRequirementBindingsAsArray; |
| |
| private List activityListeners; |
| |
| private Set activityPatternBindings; |
| |
| private transient IActivityPatternBinding[] activityPatternBindingsAsArray; |
| |
| private boolean defined; |
| |
| private boolean enabled; |
| |
| private transient int hashCode = HASH_INITIAL; |
| |
| private String id; |
| |
| private String name; |
| |
| private transient String string; |
| |
| private String description; |
| |
| private boolean defaultEnabled; |
| |
| private Expression expression; |
| |
| Activity(String id) { |
| if (id == null) { |
| throw new NullPointerException(); |
| } |
| |
| this.id = id; |
| } |
| |
| public void addActivityListener(IActivityListener activityListener) { |
| if (activityListener == null) { |
| throw new NullPointerException(); |
| } |
| |
| if (activityListeners == null) { |
| activityListeners = new ArrayList(); |
| } |
| |
| if (!activityListeners.contains(activityListener)) { |
| activityListeners.add(activityListener); |
| } |
| |
| strongReferences.add(this); |
| } |
| |
| public int compareTo(Object object) { |
| Activity castedObject = (Activity) object; |
| |
| int compareTo = Util.compare( |
| activityRequirementBindingsAsArray, |
| castedObject.activityRequirementBindingsAsArray); |
| |
| if (compareTo == 0) { |
| compareTo = Util.compare( |
| activityPatternBindingsAsArray, |
| castedObject.activityPatternBindingsAsArray); |
| |
| if (compareTo == 0) { |
| compareTo = Util.compare(defined, castedObject.defined); |
| |
| if (compareTo == 0) { |
| compareTo = Util.compare(enabled, castedObject.enabled); |
| |
| if (compareTo == 0) { |
| compareTo = Util.compare(id, castedObject.id); |
| |
| if (compareTo == 0) { |
| compareTo = Util.compare(name, castedObject.name); |
| } |
| } |
| } |
| } |
| } |
| |
| return compareTo; |
| } |
| |
| public boolean equals(Object object) { |
| if (!(object instanceof Activity)) { |
| return false; |
| } |
| |
| final Activity castedObject = (Activity) object; |
| |
| if (!Util.equals(activityRequirementBindings, |
| castedObject.activityRequirementBindings)) { |
| return false; |
| } |
| |
| if (!Util.equals(activityPatternBindings, |
| castedObject.activityPatternBindings)) { |
| return false; |
| } |
| |
| if (!Util.equals(defined, castedObject.defined)) { |
| return false; |
| } |
| |
| if (!Util.equals(enabled, castedObject.enabled)) { |
| return false; |
| } |
| |
| if (!Util.equals(id, castedObject.id)) { |
| return false; |
| } |
| |
| return Util.equals(name, castedObject.name); |
| } |
| |
| void fireActivityChanged(ActivityEvent activityEvent) { |
| if (activityEvent == null) { |
| throw new NullPointerException(); |
| } |
| |
| if (activityListeners != null) { |
| for (int i = 0; i < activityListeners.size(); i++) { |
| ((IActivityListener) activityListeners.get(i)) |
| .activityChanged(activityEvent); |
| } |
| } |
| } |
| |
| public Set getActivityRequirementBindings() { |
| return activityRequirementBindings; |
| } |
| |
| public Set getActivityPatternBindings() { |
| return activityPatternBindings; |
| } |
| |
| public String getId() { |
| return id; |
| } |
| |
| public String getName() throws NotDefinedException { |
| if (!defined) { |
| throw new NotDefinedException(); |
| } |
| |
| return name; |
| } |
| |
| public Expression getExpression() { |
| return expression; |
| } |
| |
| public int hashCode() { |
| if (hashCode == HASH_INITIAL) { |
| hashCode = hashCode * HASH_FACTOR |
| + Util.hashCode(activityRequirementBindings); |
| hashCode = hashCode * HASH_FACTOR |
| + Util.hashCode(activityPatternBindings); |
| hashCode = hashCode * HASH_FACTOR + Util.hashCode(defined); |
| hashCode = hashCode * HASH_FACTOR + Util.hashCode(enabled); |
| hashCode = hashCode * HASH_FACTOR + Util.hashCode(id); |
| hashCode = hashCode * HASH_FACTOR + Util.hashCode(name); |
| if (hashCode == HASH_INITIAL) { |
| hashCode++; |
| } |
| } |
| |
| return hashCode; |
| } |
| |
| public boolean isDefined() { |
| return defined; |
| } |
| |
| public boolean isEnabled() { |
| return enabled; |
| } |
| |
| public boolean isMatch(String string) { |
| if (isDefined()) { |
| for (Iterator iterator = activityPatternBindings.iterator(); iterator |
| .hasNext();) { |
| ActivityPatternBinding activityPatternBinding = (ActivityPatternBinding) iterator |
| .next(); |
| |
| if (activityPatternBinding.isMatch(string)) { |
| return true; |
| } |
| } |
| } |
| |
| return false; |
| } |
| |
| public void removeActivityListener(IActivityListener activityListener) { |
| if (activityListener == null) { |
| throw new NullPointerException(); |
| } |
| |
| if (activityListeners != null) { |
| activityListeners.remove(activityListener); |
| } |
| |
| if (activityListeners.isEmpty()) { |
| strongReferences.remove(this); |
| } |
| } |
| |
| boolean setActivityRequirementBindings(Set activityRequirementBindings) { |
| activityRequirementBindings = Util.safeCopy( |
| activityRequirementBindings, IActivityRequirementBinding.class); |
| |
| if (!Util.equals(activityRequirementBindings, |
| this.activityRequirementBindings)) { |
| this.activityRequirementBindings = activityRequirementBindings; |
| this.activityRequirementBindingsAsArray = (IActivityRequirementBinding[]) this.activityRequirementBindings |
| .toArray(new IActivityRequirementBinding[this.activityRequirementBindings |
| .size()]); |
| hashCode = HASH_INITIAL; |
| string = null; |
| return true; |
| } |
| |
| return false; |
| } |
| |
| boolean setActivityPatternBindings(Set activityPatternBindings) { |
| activityPatternBindings = Util.safeCopy(activityPatternBindings, |
| IActivityPatternBinding.class); |
| |
| if (!Util.equals(activityPatternBindings, this.activityPatternBindings)) { |
| this.activityPatternBindings = activityPatternBindings; |
| this.activityPatternBindingsAsArray = (IActivityPatternBinding[]) this.activityPatternBindings |
| .toArray(new IActivityPatternBinding[this.activityPatternBindings |
| .size()]); |
| hashCode = HASH_INITIAL; |
| string = null; |
| return true; |
| } |
| |
| return false; |
| } |
| |
| boolean setDefined(boolean defined) { |
| if (defined != this.defined) { |
| this.defined = defined; |
| hashCode = HASH_INITIAL; |
| string = null; |
| return true; |
| } |
| |
| return false; |
| } |
| |
| boolean setEnabled(boolean enabled) { |
| if (enabled != this.enabled) { |
| this.enabled = enabled; |
| hashCode = HASH_INITIAL; |
| string = null; |
| return true; |
| } |
| |
| return false; |
| } |
| |
| boolean setName(String name) { |
| if (!Util.equals(name, this.name)) { |
| this.name = name; |
| hashCode = HASH_INITIAL; |
| string = null; |
| return true; |
| } |
| |
| return false; |
| } |
| |
| void setExpression(Expression exp) { |
| expression = exp; |
| } |
| |
| boolean setDescription(String description) { |
| if (!Util.equals(description, this.description)) { |
| this.description = description; |
| hashCode = HASH_INITIAL; |
| string = null; |
| return true; |
| } |
| |
| return false; |
| } |
| |
| public String toString() { |
| if (string == null) { |
| final StringBuffer stringBuffer = new StringBuffer(); |
| stringBuffer.append('['); |
| stringBuffer.append(activityRequirementBindings); |
| stringBuffer.append(','); |
| stringBuffer.append(activityPatternBindings); |
| stringBuffer.append(','); |
| stringBuffer.append(defined); |
| stringBuffer.append(','); |
| stringBuffer.append(enabled); |
| stringBuffer.append(','); |
| stringBuffer.append(id); |
| stringBuffer.append(','); |
| stringBuffer.append(name); |
| stringBuffer.append(']'); |
| string = stringBuffer.toString(); |
| } |
| |
| return string; |
| } |
| |
| /* (non-Javadoc) |
| * @see org.eclipse.ui.activities.IActivity#getDescription() |
| */ |
| public String getDescription() throws NotDefinedException { |
| if (!defined) { |
| throw new NotDefinedException(); |
| } |
| |
| return description; |
| } |
| |
| /* (non-Javadoc) |
| * @see org.eclipse.ui.activities.IActivity#isDefaultEnabled() |
| */ |
| public boolean isDefaultEnabled() { |
| return defaultEnabled; |
| } |
| |
| boolean setDefaultEnabled(boolean defaultEnabled) { |
| if (!Util.equals(defaultEnabled, this.defaultEnabled)) { |
| this.defaultEnabled = defaultEnabled; |
| hashCode = HASH_INITIAL; |
| string = null; |
| return true; |
| } |
| |
| return false; |
| } |
| } |