| /* |
| * The Apache Software License, Version 1.1 |
| * |
| * Copyright (c) 2001 The Apache Software Foundation. All rights |
| * reserved. |
| * |
| * Redistribution and use in source and binary forms, with or without |
| * modification, are permitted provided that the following conditions |
| * are met: |
| * |
| * 1. Redistributions of source code must retain the above copyright |
| * notice, this list of conditions and the following disclaimer. |
| * |
| * 2. Redistributions in binary form must reproduce the above copyright |
| * notice, this list of conditions and the following disclaimer in |
| * the documentation and/or other materials provided with the |
| * distribution. |
| * |
| * 3. The end-user documentation included with the redistribution, if |
| * any, must include the following acknowlegement: |
| * "This product includes software developed by the |
| * Apache Software Foundation (http://www.apache.org/)." |
| * Alternately, this acknowlegement may appear in the software itself, |
| * if and wherever such third-party acknowlegements normally appear. |
| * |
| * 4. The names "The Jakarta Project", "Ant", and "Apache Software |
| * Foundation" must not be used to endorse or promote products derived |
| * from this software without prior written permission. For written |
| * permission, please contact apache@apache.org. |
| * |
| * 5. Products derived from this software may not be called "Apache" |
| * nor may "Apache" appear in their names without prior written |
| * permission of the Apache Group. |
| * |
| * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED |
| * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
| * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE |
| * DISCLAIMED. IN NO EVENT SHALL THE APACHE SOFTWARE FOUNDATION OR |
| * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, |
| * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT |
| * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF |
| * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND |
| * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, |
| * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT |
| * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF |
| * SUCH DAMAGE. |
| * ==================================================================== |
| * |
| * This software consists of voluntary contributions made by many |
| * individuals on behalf of the Apache Software Foundation. For more |
| * information on the Apache Software Foundation, please see |
| * <http://www.apache.org/>. |
| */ |
| package org.apache.tools.ant.gui.wizard.build; |
| import org.apache.tools.ant.gui.wizard.*; |
| import org.apache.tools.ant.gui.core.ResourceManager; |
| import java.util.*; |
| |
| /** |
| * State machine defining the step ordering for the build wizard. |
| * |
| * @version $Revision$ |
| * @author Simeon Fitch |
| */ |
| public class BuildStateMachine extends DefaultStateMachine { |
| private List _optionals = Arrays.asList(ProjectSetupStep.OPTIONS); |
| |
| |
| /** |
| * Get the next step. |
| * |
| * @param curr The current step. |
| * @param data The current state of the wizard. |
| * @return The ID of next step, or null if there currently isn't one. |
| */ |
| public String getNext(ProjectSetupStep curr, WizardData data) { |
| return getFollowingID(super.getNext(curr, data), data, +1); |
| } |
| |
| /** |
| * Get the next step. |
| * |
| * @param curr The current step. |
| * @param data The current state of the wizard. |
| * @return The ID of next step, or null if there currently isn't one. |
| */ |
| public String getNext(OptionalStep curr, WizardData data) { |
| return getFollowingID(super.getNext(curr, data), data, +1); |
| } |
| |
| /** |
| * Get the previous step. |
| * |
| * @param curr The current step. |
| * @param data The current state of the wizard. |
| * @return The ID of previous step, or null if there currently isn't one. |
| */ |
| public String getPrevious(OptionalStep curr, WizardData data) { |
| return getFollowingID(super.getPrevious(curr, data), data, -1); |
| } |
| |
| /** |
| * Get the previous step. |
| * |
| * @param curr The current step. |
| * @param data The current state of the wizard. |
| * @return The ID of previous step, or null if there currently isn't one. |
| */ |
| public String getPrevious(FinishStep curr, WizardData data) { |
| return getFollowingID(super.getPrevious(curr, data), data, -1); |
| } |
| |
| /** |
| * Figure out which ID should follow the given one based on the current |
| * state setting of the optional steps. |
| * |
| * @param curr ID of the current step. |
| * @param data State data. |
| * @param direction +1 for next, -1 for previous. |
| * @return The ID to follow, or null if none. |
| */ |
| private String getFollowingID(String curr, WizardData data, int direction) { |
| String follow = curr; |
| List steps = getStepList(data); |
| List setting = ((BuildData)data).getOptionalSteps(); |
| |
| while(follow != null && _optionals.contains(follow) && |
| !setting.contains(follow)) { |
| |
| int index = steps.indexOf(follow) + direction; |
| if(index >= 0 && index < steps.size()) { |
| follow = (String) steps.get(index); |
| } |
| else { |
| follow = null; |
| } |
| } |
| |
| return follow; |
| } |
| } |