001    /**
002     * Copyright (c) 2000-2013 Liferay, Inc. All rights reserved.
003     *
004     * This library is free software; you can redistribute it and/or modify it under
005     * the terms of the GNU Lesser General Public License as published by the Free
006     * Software Foundation; either version 2.1 of the License, or (at your option)
007     * any later version.
008     *
009     * This library is distributed in the hope that it will be useful, but WITHOUT
010     * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
011     * FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more
012     * details.
013     */
014    
015    package com.liferay.portlet.dynamicdatamapping.storage;
016    
017    import com.liferay.portal.kernel.util.LocaleUtil;
018    import com.liferay.portal.kernel.util.Validator;
019    
020    import java.io.Serializable;
021    
022    import java.util.ArrayList;
023    import java.util.Collection;
024    import java.util.Collections;
025    import java.util.Comparator;
026    import java.util.HashMap;
027    import java.util.HashSet;
028    import java.util.Iterator;
029    import java.util.List;
030    import java.util.Locale;
031    import java.util.Map;
032    import java.util.Set;
033    
034    /**
035     * @author Brian Wing Shun Chan
036     */
037    public class Fields implements Iterable<Field>, Serializable {
038    
039            public boolean contains(String name) {
040                    return _fieldsMap.containsKey(name);
041            }
042    
043            @Override
044            public boolean equals(Object obj) {
045                    if (this == obj) {
046                            return true;
047                    }
048    
049                    if (!(obj instanceof Fields)) {
050                            return false;
051                    }
052    
053                    Fields fields = (Fields)obj;
054    
055                    if (Validator.equals(_fieldsMap, fields._fieldsMap)) {
056                            return true;
057                    }
058    
059                    return false;
060            }
061    
062            public Field get(String name) {
063                    return _fieldsMap.get(name);
064            }
065    
066            public Set<Locale> getAvailableLocales() {
067                    Set<Locale> availableLocales = new HashSet<Locale>();
068    
069                    for (Field field : _fieldsMap.values()) {
070                            if (field.isPrivate()) {
071                                    continue;
072                            }
073    
074                            for (Locale availableLocale : field.getAvailableLocales()) {
075                                    availableLocales.add(availableLocale);
076                            }
077                    }
078    
079                    return availableLocales;
080            }
081    
082            public Locale getDefaultLocale() {
083                    Locale defaultLocale = LocaleUtil.getSiteDefault();
084    
085                    Iterator<Field> itr = iterator();
086    
087                    if (itr.hasNext()) {
088                            Field field = itr.next();
089    
090                            defaultLocale = field.getDefaultLocale();
091                    }
092    
093                    return defaultLocale;
094            }
095    
096            public Set<String> getNames() {
097                    return _fieldsMap.keySet();
098            }
099    
100            @Override
101            public Iterator<Field> iterator() {
102                    return iterator(false);
103            }
104    
105            public Iterator<Field> iterator(boolean includePrivateFields) {
106                    return iterator(null, includePrivateFields);
107            }
108    
109            public Iterator<Field> iterator(
110                    Comparator<Field> comparator, boolean includePrivateFields) {
111    
112                    Collection<Field> fieldsCollection = _fieldsMap.values();
113    
114                    List<Field> fieldsList = new ArrayList<Field>();
115    
116                    Iterator<Field> itr = fieldsCollection.iterator();
117    
118                    while (itr.hasNext()) {
119                            Field field = itr.next();
120    
121                            if (!includePrivateFields && field.isPrivate()) {
122                                    continue;
123                            }
124    
125                            fieldsList.add(field);
126                    }
127    
128                    if (comparator != null) {
129                            Collections.sort(fieldsList, comparator);
130                    }
131    
132                    return fieldsList.iterator();
133            }
134    
135            public void put(Field field) {
136                    _fieldsMap.put(field.getName(), field);
137            }
138    
139            public Field remove(String name) {
140                    return _fieldsMap.remove(name);
141            }
142    
143            private Map<String, Field> _fieldsMap = new HashMap<String, Field>();
144    
145    }