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.portal.json;
016    
017    import com.liferay.portal.kernel.json.JSONArray;
018    import com.liferay.portal.kernel.json.JSONException;
019    import com.liferay.portal.kernel.json.JSONObject;
020    import com.liferay.portal.kernel.log.Log;
021    import com.liferay.portal.kernel.log.LogFactoryUtil;
022    import com.liferay.portal.kernel.util.Validator;
023    
024    import java.io.Writer;
025    
026    /**
027     * @author Brian Wing Shun Chan
028     */
029    public class JSONArrayImpl implements JSONArray {
030    
031            public JSONArrayImpl() {
032                    _jsonArray = new org.json.JSONArray();
033            }
034    
035            public JSONArrayImpl(org.json.JSONArray jsonArray) {
036                    _jsonArray = jsonArray;
037            }
038    
039            public JSONArrayImpl(String json) throws JSONException {
040                    try {
041                            if (Validator.isNull(json)) {
042                                    json = _NULL_JSON;
043                            }
044    
045                            _jsonArray = new org.json.JSONArray(json);
046                    }
047                    catch (Exception e) {
048                            throw new JSONException(e);
049                    }
050            }
051    
052            @Override
053            public boolean getBoolean(int index) {
054                    return _jsonArray.optBoolean(index);
055            }
056    
057            @Override
058            public double getDouble(int index) {
059                    return _jsonArray.optDouble(index);
060            }
061    
062            @Override
063            public int getInt(int index) {
064                    return _jsonArray.optInt(index);
065            }
066    
067            public org.json.JSONArray getJSONArray() {
068                    return _jsonArray;
069            }
070    
071            @Override
072            public JSONArray getJSONArray(int index) {
073                    org.json.JSONArray jsonArray = _jsonArray.optJSONArray(index);
074    
075                    if (jsonArray == null) {
076                            return null;
077                    }
078    
079                    return new JSONArrayImpl(jsonArray);
080            }
081    
082            @Override
083            public JSONObject getJSONObject(int index) {
084                    org.json.JSONObject jsonObj = _jsonArray.optJSONObject(index);
085    
086                    if (jsonObj == null) {
087                            return null;
088                    }
089    
090                    return new JSONObjectImpl(jsonObj);
091            }
092    
093            @Override
094            public long getLong(int index) {
095                    return _jsonArray.optLong(index);
096            }
097    
098            @Override
099            public String getString(int index) {
100                    return _jsonArray.optString(index);
101            }
102    
103            @Override
104            public boolean isNull(int index) {
105                    return _jsonArray.isNull(index);
106            }
107    
108            @Override
109            public String join(String separator) throws JSONException {
110                    try {
111                            return _jsonArray.join(separator);
112                    }
113                    catch (Exception e) {
114                            throw new JSONException(e);
115                    }
116            }
117    
118            @Override
119            public int length() {
120                    return _jsonArray.length();
121            }
122    
123            @Override
124            public JSONArray put(boolean value) {
125                    _jsonArray.put(value);
126    
127                    return this;
128            }
129    
130            @Override
131            public JSONArray put(double value) {
132                    try {
133                            _jsonArray.put(value);
134                    }
135                    catch (Exception e) {
136                            if (_log.isWarnEnabled()) {
137                                    _log.warn(e, e);
138                            }
139                    }
140    
141                    return this;
142            }
143    
144            @Override
145            public JSONArray put(int value) {
146                    _jsonArray.put(value);
147    
148                    return this;
149            }
150    
151            @Override
152            public JSONArray put(JSONArray value) {
153                    _jsonArray.put(((JSONArrayImpl)value).getJSONArray());
154    
155                    return this;
156            }
157    
158            @Override
159            public JSONArray put(JSONObject value) {
160                    _jsonArray.put(((JSONObjectImpl)value).getJSONObject());
161    
162                    return this;
163            }
164    
165            @Override
166            public JSONArray put(long value) {
167                    _jsonArray.put(value);
168    
169                    return this;
170            }
171    
172            @Override
173            public JSONArray put(String value) {
174                    _jsonArray.put(value);
175    
176                    return this;
177            }
178    
179            @Override
180            public String toString() {
181                    return _jsonArray.toString();
182            }
183    
184            @Override
185            public String toString(int indentFactor) throws JSONException {
186                    try {
187                            return _jsonArray.toString(indentFactor);
188                    }
189                    catch (Exception e) {
190                            throw new JSONException(e);
191                    }
192            }
193    
194            @Override
195            public Writer write(Writer writer) throws JSONException {
196                    try {
197                            return _jsonArray.write(writer);
198                    }
199                    catch (Exception e) {
200                            throw new JSONException(e);
201                    }
202            }
203    
204            private static final String _NULL_JSON = "[]";
205    
206            private static Log _log = LogFactoryUtil.getLog(JSONArrayImpl.class);
207    
208            private org.json.JSONArray _jsonArray;
209    
210    }