Java tutorial
/******************************************************************************* * Copyright (c) 2012, 2016 Pivotal Software, Inc. * 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 * https://www.eclipse.org/legal/epl-v10.html * * Contributors: * Pivotal Software, Inc. - initial API and implementation *******************************************************************************/ package org.springframework.ide.eclipse.boot.wizard; import org.apache.commons.lang3.StringUtils; import org.eclipse.core.runtime.Assert; import org.eclipse.jface.preference.IPreferenceStore; import org.springsource.ide.eclipse.commons.livexp.core.FieldModel; /** * Component that keeps track of some of the 'New Spring Starter Project' wizard * selections upon finishing the wizard, * so that we may pre-select those options again, the next time the wizard * is opened. * * @author Kris De Volder */ public class PreferredSelections { private String PREFIX = PreferredSelections.class.getName() + "."; private IPreferenceStore store; public PreferredSelections(IPreferenceStore store) { Assert.isNotNull(store); this.store = store; } protected String key(String id) { String key = PREFIX + id; return key; } public void save(NewSpringBootWizardModel wizard) { for (FieldModel<String> input : wizard.stringInputs) { if (isInteresting(input)) { put(input.getName(), input.getValue()); } } for (RadioGroup input : wizard.getRadioGroups().getGroups()) { if (isInteresting(input)) { put(input.getName(), input.getValue().getValue()); } } } protected boolean isInteresting(RadioGroup input) { return true; } protected boolean isInteresting(FieldModel<String> input) { return true; } public void restore(NewSpringBootWizardModel wizard) { for (FieldModel<String> input : wizard.stringInputs) { if (isInteresting(input)) { String v = get(input.getName(), input.getValue()); input.setValue(v); } } for (RadioGroup input : wizard.getRadioGroups().getGroups()) { if (isInteresting(input)) { String choiceId = get(input.getName(), null); RadioInfo info = input.getRadio(choiceId); if (info != null) { input.getVariable().setValue(info); } } } } private void put(String id, String value) { String key = key(id); store.setValue(key, value); } private String get(String name, String dflt) { String key = key(name); String v = store.getString(key); if (StringUtils.isNotBlank(v)) { return v; } return dflt; } }