/* * This library is part of OpenCms - * the Open Source Content Management System * * Copyright (c) Alkacon Software GmbH (http://www.alkacon.com) * * This library is free software; you can redistribute it and/or * modify it under the terms of the GNU Lesser General Public * License as published by the Free Software Foundation; either * version 2.1 of the License, or (at your option) any later version. * * This library 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 * Lesser General Public License for more details. * * For further information about Alkacon Software GmbH, please see the * company website: http://www.alkacon.com * * For further information about OpenCms, please see the * project website: http://www.opencms.org * * You should have received a copy of the GNU Lesser General Public * License along with this library; if not, write to the Free Software * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA */ package org.opencms.xml.types; import org.opencms.file.CmsObject; import org.opencms.main.CmsIllegalArgumentException; import org.opencms.util.CmsStringUtil; import org.opencms.widgets.I_CmsWidgetParameter; import org.opencms.xml.I_CmsXmlDocument; import java.util.Locale; import java.util.regex.Pattern; import org.dom4j.Element; /** * Describes the XML content type "OpenCmsBoolean".<p> * * @since 6.0.0 */ public class CmsXmlBooleanValue extends A_CmsXmlValueTextBase { /** The name of this type as used in the XML schema. */ public static final String TYPE_NAME = "OpenCmsBoolean"; /** The validation rule used for this schema type. */ public static final String TYPE_RULE = "true|false|1|0"; /** Pre-compiled regular expression pattern for this rule. */ private static final Pattern TYPE_PATTERN = Pattern.compile(TYPE_RULE); /** The boolean value of the element node. */ private boolean m_boolean; /** * Creates a new, empty schema type descriptor of type "OpenCmsBoolean".<p> */ public CmsXmlBooleanValue() { // empty constructor is required for class registration } /** * Creates a new XML content value of type "OpenCmsBoolean".<p> * * @param document the XML content instance this value belongs to * @param element the XML element that contains this value * @param locale the locale this value is created for * @param type the type instance to create the value for */ public CmsXmlBooleanValue(I_CmsXmlDocument document, Element element, Locale locale, I_CmsXmlSchemaType type) { super(document, element, locale, type); m_boolean = getBooleanValue(m_stringValue); } /** * Creates a new schema type descriptor for the type "OpenCmsBoolean".<p> * * @param name the name of the XML node containing the value according to the XML schema * @param minOccurs minimum number of occurrences of this type according to the XML schema * @param maxOccurs maximum number of occurrences of this type according to the XML schema */ public CmsXmlBooleanValue(String name, String minOccurs, String maxOccurs) { super(name, minOccurs, maxOccurs); } /** * Returns the boolean value of the given widget parameter.<p> * * @param cms an initialized instance of a CmsObject * @param value the XML content value to get the boolean value of * * @return the boolean value of the given widget parameter */ public static boolean getBooleanValue(CmsObject cms, I_CmsWidgetParameter value) { boolean result; if (value instanceof CmsXmlBooleanValue) { // this is a "native" boolean type result = ((CmsXmlBooleanValue)value).getBooleanValue(); } else { // get the boolean value from the String value result = getBooleanValue(value.getStringValue(cms)); } return result; } /** * Special boolean value generation method since XML schema allows for * "1" as possible value for <code>true</code>, while Java only allows <code>"true"</code>. * * @param value the String to get the boolean value for * * @return the boolean value of the String according to the XML schema rules */ private static boolean getBooleanValue(String value) { if ("1".equals(value)) { // XML schema allows for "1" as value for "true" return true; } return Boolean.valueOf(value).booleanValue(); } /** * @see org.opencms.xml.types.A_CmsXmlContentValue#createValue(I_CmsXmlDocument, org.dom4j.Element, Locale) */ public I_CmsXmlContentValue createValue(I_CmsXmlDocument document, Element element, Locale locale) { return new CmsXmlBooleanValue(document, element, locale, this); } /** * Returns the boolean value as a boolean type.<p> * * @return the boolean value as a boolean type */ public boolean getBooleanValue() { return m_boolean; } /** * @see org.opencms.xml.types.A_CmsXmlContentValue#getDefault(Locale) */ @Override public String getDefault(Locale locale) { if (m_defaultValue != null) { return m_defaultValue; } return CmsStringUtil.FALSE; } /** * @see org.opencms.xml.types.I_CmsXmlSchemaType#getSchemaDefinition() */ public String getSchemaDefinition() { return "<xsd:simpleType name=\"" + TYPE_NAME + "\"><xsd:restriction base=\"xsd:boolean\" /></xsd:simpleType>"; } /** * @see org.opencms.xml.types.A_CmsXmlContentValue#getTypeName() */ public String getTypeName() { return TYPE_NAME; } /** * @see org.opencms.xml.types.A_CmsXmlContentValue#isSearchable() */ @Override public boolean isSearchable() { // there is no point in searching boolean values return false; } /** * @see org.opencms.xml.types.A_CmsXmlContentValue#newInstance(java.lang.String, java.lang.String, java.lang.String) */ public I_CmsXmlSchemaType newInstance(String name, String minOccurs, String maxOccurs) { return new CmsXmlBooleanValue(name, minOccurs, maxOccurs); } /** * @see org.opencms.xml.types.A_CmsXmlValueTextBase#setStringValue(org.opencms.file.CmsObject, java.lang.String) */ @Override public void setStringValue(CmsObject cms, String value) throws CmsIllegalArgumentException { m_boolean = getBooleanValue(value); super.setStringValue(cms, String.valueOf(m_boolean)); } /** * @see org.opencms.xml.types.I_CmsXmlSchemaType#validateValue(java.lang.String) */ @Override public boolean validateValue(String value) { return TYPE_PATTERN.matcher(value).matches(); } @Override public String getPlainText(CmsObject cms) { return String.valueOf(getBooleanValue()); } }