Java tutorial
/* * Password Management Servlets (PWM) * http://code.google.com/p/pwm/ * * Copyright (c) 2006-2009 Novell, Inc. * Copyright (c) 2009-2015 The PWM Project * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation; either version 2 of the License, or * (at your option) any later version. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program; if not, write to the Free Software * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA */ package password.pwm.config.value; import org.jdom2.CDATA; import org.jdom2.Element; import password.pwm.config.PwmSetting; import password.pwm.config.StoredValue; import password.pwm.util.JsonUtil; import java.util.*; import java.util.regex.Matcher; import java.util.regex.Pattern; public class StringArrayValue extends AbstractValue implements StoredValue { final List<String> values; public StringArrayValue(final List<String> values) { this.values = values; } public static StoredValueFactory factory() { return new StoredValueFactory() { public StringArrayValue fromJson(final String input) { if (input == null) { return new StringArrayValue(Collections.<String>emptyList()); } else { List<String> srcList = JsonUtil.deserializeStringList(input); srcList = srcList == null ? Collections.<String>emptyList() : srcList; while (srcList.contains(null)) { srcList.remove(null); } return new StringArrayValue(Collections.unmodifiableList(srcList)); } } public StringArrayValue fromXmlElement(final Element settingElement, final String key) { final List valueElements = settingElement.getChildren("value"); final List<String> values = new ArrayList<>(); for (final Object loopValue : valueElements) { final Element loopValueElement = (Element) loopValue; final String value = loopValueElement.getText(); values.add(value); } return new StringArrayValue(values); } }; } public List<Element> toXmlValues(final String valueElementName) { final List<Element> returnList = new ArrayList<>(); for (final String value : this.values) { final Element valueElement = new Element(valueElementName); valueElement.addContent(new CDATA(value)); returnList.add(valueElement); } return returnList; } public List<String> toNativeObject() { return Collections.unmodifiableList(values); } public List<String> validateValue(PwmSetting pwmSetting) { if (pwmSetting.isRequired()) { if (values == null || values.size() < 1 || values.get(0).length() < 1) { return Collections.singletonList("required value missing"); } } final Pattern pattern = pwmSetting.getRegExPattern(); for (final String loopValue : values) { final Matcher matcher = pattern.matcher(loopValue); if (loopValue != null && loopValue.length() > 0 && !matcher.matches()) { return Collections.singletonList("incorrect value format for value '" + loopValue + "'"); } } return Collections.emptyList(); } public String toDebugString(boolean prettyFormat, Locale locale) { if (prettyFormat && values != null && !values.isEmpty()) { final StringBuilder sb = new StringBuilder(); for (Iterator valueIterator = values.iterator(); valueIterator.hasNext();) { sb.append(valueIterator.next()); if (valueIterator.hasNext()) { sb.append("\n"); } } return sb.toString(); } else { return JsonUtil.serializeCollection(values); } } }