| /******************************************************************************* |
| * Copyright (c) 2000, 2006 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.regex.Pattern; |
| |
| import org.eclipse.ui.activities.IActivityPatternBinding; |
| import org.eclipse.ui.internal.util.Util; |
| |
| public final class ActivityPatternBinding implements IActivityPatternBinding { |
| private final static int HASH_FACTOR = 89; |
| |
| private final static int HASH_INITIAL = ActivityPatternBinding.class |
| .getName().hashCode(); |
| |
| private String activityId; |
| |
| private transient int hashCode = HASH_INITIAL; |
| |
| private Pattern pattern; |
| |
| private transient String string; |
| |
| public ActivityPatternBinding(String activityId, String pattern) { |
| this(activityId, Pattern.compile(pattern)); |
| } |
| |
| public ActivityPatternBinding(String activityId, Pattern pattern) { |
| if (pattern == null) { |
| throw new NullPointerException(); |
| } |
| |
| this.activityId = activityId; |
| this.pattern = pattern; |
| } |
| |
| public int compareTo(Object object) { |
| ActivityPatternBinding castedObject = (ActivityPatternBinding) object; |
| int compareTo = Util.compare(activityId, castedObject.activityId); |
| |
| if (compareTo == 0) { |
| compareTo = Util.compare(pattern.pattern(), castedObject.pattern |
| .pattern()); |
| } |
| |
| return compareTo; |
| } |
| |
| public boolean equals(Object object) { |
| if (!(object instanceof ActivityPatternBinding)) { |
| return false; |
| } |
| |
| final ActivityPatternBinding castedObject = (ActivityPatternBinding) object; |
| if (!Util.equals(activityId, castedObject.activityId)) { |
| return false; |
| } |
| |
| return Util.equals(pattern, castedObject.pattern); |
| } |
| |
| public String getActivityId() { |
| return activityId; |
| } |
| |
| public Pattern getPattern() { |
| return pattern; |
| } |
| |
| public int hashCode() { |
| if (hashCode == HASH_INITIAL) { |
| hashCode = hashCode * HASH_FACTOR + Util.hashCode(activityId); |
| hashCode = hashCode * HASH_FACTOR + Util.hashCode(pattern); |
| if (hashCode == HASH_INITIAL) { |
| hashCode++; |
| } |
| } |
| |
| return hashCode; |
| } |
| |
| public String toString() { |
| if (string == null) { |
| final StringBuffer stringBuffer = new StringBuffer(); |
| stringBuffer.append('['); |
| stringBuffer.append(activityId); |
| stringBuffer.append(','); |
| stringBuffer.append(pattern); |
| stringBuffer.append(']'); |
| string = stringBuffer.toString(); |
| } |
| |
| return string; |
| } |
| |
| /** |
| * Returns whether this binding's pattern matches the given string |
| * |
| * @param toMatch the string to match |
| * @return <code>true</code> if it matches, <code>false</code> if not |
| * @since 3.1 |
| */ |
| public boolean isMatch(String toMatch) { |
| return pattern.matcher(toMatch).matches(); |
| } |
| } |