Source Code Cross Referenced for AbstractDescriptor.java in  » Database-ORM » MMBase » org » mmbase » core » Java Source Code / Java DocumentationJava Source Code and Java Documentation

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Java Source Code / Java Documentation » Database ORM » MMBase » org.mmbase.core 
Source Cross Referenced  Class Diagram Java Document (Java Doc) 


001:        /*
002:
003:        This software is OSI Certified Open Source Software.
004:        OSI Certified is a certification mark of the Open Source Initiative.
005:
006:        The license (Mozilla version 1.0) can be read at the MMBase site.
007:        See http://www.MMBase.org/license
008:
009:         */
010:
011:        package org.mmbase.core;
012:
013:        import java.util.*;
014:        import org.mmbase.bridge.Descriptor;
015:        import org.mmbase.util.LocalizedString;
016:
017:        /**
018:         * @javadoc
019:         *
020:         * @author Pierre van Rooden
021:         * @since  MMBase-1.8
022:         * @version $Id: AbstractDescriptor.java,v 1.12 2007/02/24 21:57:50 nklasens Exp $
023:         */
024:
025:        abstract public class AbstractDescriptor implements  Descriptor,
026:                Cloneable {
027:
028:            protected String key;
029:            protected LocalizedString description;
030:            protected LocalizedString guiName;
031:
032:            protected AbstractDescriptor() {
033:            }
034:
035:            /**
036:             * Create a data type object
037:             * @param name the name of the data type
038:             */
039:            protected AbstractDescriptor(String name) {
040:                key = name;
041:                setGUIName(name);
042:                setDescription("");
043:            }
044:
045:            /**
046:             * Create a data type object
047:             * @param name the name of the data type
048:             * @param descriptor
049:             */
050:            protected AbstractDescriptor(String name, Descriptor descriptor,
051:                    boolean cloneDataForRewrite) {
052:                key = name;
053:                if (cloneDataForRewrite) {
054:                    description = (LocalizedString) descriptor
055:                            .getLocalizedDescription().clone();
056:                    guiName = (LocalizedString) descriptor
057:                            .getLocalizedGUIName().clone();
058:                } else {
059:                    description = descriptor.getLocalizedDescription();
060:                    guiName = descriptor.getLocalizedGUIName();
061:                }
062:            }
063:
064:            protected AbstractDescriptor(String name, Descriptor descriptor) {
065:                this (name, descriptor, true);
066:            }
067:
068:            /**
069:             * The locale which must be used if no locale is specified.
070:             * The default implementation returns <code>null</code>.
071:             * This method can be overriden if another more logical default is
072:             * available. E.g. in BasicField the locale of the current cloud is returned.
073:             * @since MMBase-1.8.1
074:             */
075:            protected Locale getDefaultLocale() {
076:                return null;
077:            }
078:
079:            /**
080:             * Returns the name or 'key' of this descriptor.
081:             * @return the name as a String
082:             */
083:            public String getName() {
084:                return key;
085:            }
086:
087:            public String getDescription(Locale locale) {
088:                if (description == null)
089:                    description = new LocalizedString(key);
090:                return description.get(locale == null ? getDefaultLocale()
091:                        : locale);
092:            }
093:
094:            public String getDescription() {
095:                return getDescription(getDefaultLocale());
096:            }
097:
098:            public LocalizedString getLocalizedDescription() {
099:                return description;
100:            }
101:
102:            protected void setLocalizedDescription(LocalizedString description) {
103:                this .description = description;
104:            }
105:
106:            public void setDescription(String desc, Locale locale) {
107:                if (description == null)
108:                    description = new LocalizedString(key);
109:                description.set(desc, locale);
110:            }
111:
112:            public void setDescription(String desc) {
113:                setDescription(desc, getDefaultLocale());
114:            }
115:
116:            /**
117:             * Retrieve the GUI name of the field depending on specified langauge.
118:             * If the language is not available, the "en" value is returned instead.
119:             * If that one is unavailable the internal fieldname is returned.
120:             * @return the GUI Name
121:             */
122:            public String getGUIName(Locale locale) {
123:                if (guiName == null)
124:                    guiName = new LocalizedString(key);
125:                return guiName
126:                        .get(locale == null ? getDefaultLocale() : locale);
127:            }
128:
129:            /**
130:             * Retrieve the GUI name of the field.
131:             * If possible, the "en" value is returned.
132:             * If that one is unavailable the internal fieldname is returned.
133:             * @return the GUI Name
134:             */
135:            public String getGUIName() {
136:                return getGUIName(getDefaultLocale());
137:            }
138:
139:            public void setGUIName(String g, Locale locale) {
140:                if (guiName == null)
141:                    guiName = new LocalizedString(key);
142:                guiName.set(g, locale);
143:            }
144:
145:            public void setGUIName(String g) {
146:                setGUIName(g, getDefaultLocale());
147:            }
148:
149:            public LocalizedString getLocalizedGUIName() {
150:                return guiName;
151:            }
152:
153:            protected void setLocalizedGUIName(LocalizedString value) {
154:                guiName = value;
155:            }
156:
157:            public String toString() {
158:                return key;
159:            }
160:
161:            public Object clone() throws CloneNotSupportedException {
162:                return clone(getName() + ".clone");
163:            }
164:
165:            public Object clone(String name) throws CloneNotSupportedException {
166:                AbstractDescriptor clone = (AbstractDescriptor) super .clone();
167:                clone.description = (LocalizedString) description.clone();
168:                clone.guiName = (LocalizedString) guiName.clone();
169:                if (name != null) {
170:                    clone.key = name;
171:                    clone.description.setKey(name);
172:                    clone.guiName.setKey(name);
173:                }
174:                return clone;
175:            }
176:
177:        }
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