All Downloads are FREE. Search and download functionalities are using the official Maven repository.

org.mycore.datamodel.metadata.MCRMetaBoolean Maven / Gradle / Ivy

There is a newer version: 2024.05
Show newest version
/*
 * This file is part of ***  M y C o R e  ***
 * See http://www.mycore.de/ for details.
 *
 * MyCoRe 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 3 of the License, or
 * (at your option) any later version.
 *
 * MyCoRe 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 MyCoRe.  If not, see .
 */

package org.mycore.datamodel.metadata;

import org.apache.logging.log4j.LogManager;
import org.apache.logging.log4j.Logger;
import org.jdom2.Element;
import org.mycore.common.MCRException;

import com.google.gson.JsonObject;

/**
 * This class implements all method for handling with the MCRMetaBoolean part of
 * a metadata object. The MCRMetaBoolean class present a logical value of true
 * or false and optional a type.
 * 

* <tag class="MCRMetaBoolean" heritable="...">
* <subtag type="...">
* true|false
* </subtag>
* </tag>
* * @author Jens Kupferschmidt */ public final class MCRMetaBoolean extends MCRMetaDefault { private boolean value; private static final Logger LOGGER = LogManager.getLogger(); /** * This is the constructor.
* The language element was set to en . The boolean value was set to * false. */ public MCRMetaBoolean() { super(); value = false; } /** * This is the constructor.
* The language element was set to en . The subtag element was set to * the value of subtag. If the value of subtag * is null or empty an exception was thrown. The type element was set to * the value of type, if it is null, an empty string was set * to the type element. The boolean string value * was set to a boolean element, if it is null, false was set. * @param subtag the name of the subtag * @param lang the language * @param type the optional type string * @param inherted a value >= 0 * @param value the boolean value (true or false) as string * * @exception MCRException if the subtag value is null or empty */ @Deprecated public MCRMetaBoolean(String subtag, String lang, String type, int inherted, String value) throws MCRException { this(subtag, type, inherted, false); setValue(value); } /** * This is the constructor.
* The language element was set to en . The subtag element was set to * the value of subtag. If the value of subtag * is null or empty an exception was thrown. The type element was set to * the value of type, if it is null, an empty string was set * to the type element. The boolean string value * was set to a boolean element, if it is null, false was set. * @param subtag the name of the subtag * @param type the optional type string * @param inherted a value >= 0 * @param value the boolean value (true or false) as string * * @exception MCRException if the subtag value is null or empty */ public MCRMetaBoolean(String subtag, String type, int inherted, String value) throws MCRException { super(subtag, null, type, inherted); setValue(value); } /** * This is the constructor.
* The language element was set to en . The subtag element was set to * the value of subtag. If the value of subtag * is null or empty an exception was thrown. The type element was set to * the value of type, if it is null, an empty string was set * to the type element. The boolean string value * was set to a boolean element, if it is null, false was set. * @param subtag the name of the subtag * @param type the optional type string * @param inherted a value >= 0 * @param value the boolean value (true or false) * @exception MCRException if the subtag value is null or empty */ public MCRMetaBoolean(String subtag, String type, int inherted, boolean value) throws MCRException { super(subtag, null, type, inherted); setValue(value); } /** * This method set value. It set false if the string is corrupt. * * @param value * the boolean value (true or false) as string */ public void setValue(String value) { this.value = Boolean.parseBoolean(value); } /** * This method set the value. * * @param value * the boolean value */ public void setValue(boolean value) { this.value = value; } /** * This method get the value element. * * @return the value as Boolean */ public boolean getValue() { return value; } /** * This method get the value element as String. * * @return the value as String */ public String getValueToString() { return String.valueOf(value); } /** * This method read the XML input stream part from a DOM part for the * metadata of the document. * * @param element * a relevant JDOM element for the metadata */ @Override public void setFromDOM(Element element) { super.setFromDOM(element); setValue(element.getTextTrim()); } /** * This method create a XML stream for all data in this class, defined by * the MyCoRe XML MCRBoolean definition for the given subtag. * * @exception MCRException * if the content of this class is not valid * @return a JDOM Element with the XML MCRBoolean part */ @Override public Element createXML() throws MCRException { Element elm = super.createXML(); elm.addContent(getValueToString()); return elm; } /** * Creates the JSON representation. Extends the {@link MCRMetaDefault#createJSON()} method * with the following data. * *

     *   {
     *     value: true|false
     *   }
     * 
* */ @Override public JsonObject createJSON() { JsonObject obj = super.createJSON(); obj.addProperty("value", getValue()); return obj; } /** * clone of this instance * * you will get a (deep) clone of this element * * @see java.lang.Object#clone() */ @Override public MCRMetaBoolean clone() { MCRMetaBoolean clone = (MCRMetaBoolean) super.clone(); clone.value = this.value; return clone; } /** * This method put debug data to the logger (for the debug mode). */ @Override public void debug() { if (LOGGER.isDebugEnabled()) { super.debugDefault(); LOGGER.debug("Value = {}", Boolean.toString(value)); LOGGER.debug(" "); } } @Override public boolean equals(Object obj) { if (!super.equals(obj)) { return false; } final MCRMetaBoolean other = (MCRMetaBoolean) obj; return this.value == other.value; } }




© 2015 - 2024 Weber Informatics LLC | Privacy Policy