Source Code Cross Referenced for COSDictionaryMap.java in  » PDF » PDFBox-0.7.3 » org » pdfbox » pdmodel » common » Java Source Code / Java DocumentationJava Source Code and Java Documentation

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Java Source Code / Java Documentation » PDF » PDFBox 0.7.3 » org.pdfbox.pdmodel.common 
Source Cross Referenced  Class Diagram Java Document (Java Doc) 


001:        /**
002:         * Copyright (c) 2003-2006, www.pdfbox.org
003:         * All rights reserved.
004:         *
005:         * Redistribution and use in source and binary forms, with or without
006:         * modification, are permitted provided that the following conditions are met:
007:         *
008:         * 1. Redistributions of source code must retain the above copyright notice,
009:         *    this list of conditions and the following disclaimer.
010:         * 2. Redistributions in binary form must reproduce the above copyright notice,
011:         *    this list of conditions and the following disclaimer in the documentation
012:         *    and/or other materials provided with the distribution.
013:         * 3. Neither the name of pdfbox; nor the names of its
014:         *    contributors may be used to endorse or promote products derived from this
015:         *    software without specific prior written permission.
016:         *
017:         * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
018:         * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
019:         * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
020:         * DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE FOR ANY
021:         * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
022:         * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
023:         * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
024:         * ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
025:         * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
026:         * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
027:         *
028:         * http://www.pdfbox.org
029:         *
030:         */package org.pdfbox.pdmodel.common;
031:
032:        import org.pdfbox.cos.COSBase;
033:        import org.pdfbox.cos.COSBoolean;
034:        import org.pdfbox.cos.COSDictionary;
035:        import org.pdfbox.cos.COSFloat;
036:        import org.pdfbox.cos.COSInteger;
037:        import org.pdfbox.cos.COSName;
038:        import org.pdfbox.cos.COSString;
039:
040:        import java.io.IOException;
041:
042:        import java.util.Collection;
043:        import java.util.HashMap;
044:        import java.util.Iterator;
045:        import java.util.Map;
046:        import java.util.Set;
047:
048:        /**
049:         * This is a Map that will automatically sync the contents to a COSDictionary.
050:         *
051:         * @author <a href="mailto:ben@benlitchfield.com">Ben Litchfield</a>
052:         * @version $Revision: 1.10 $
053:         */
054:        public class COSDictionaryMap implements  Map {
055:            private COSDictionary map;
056:            private Map actuals;
057:
058:            /**
059:             * Constructor for this map.
060:             *
061:             * @param actualsMap The map with standard java objects as values.
062:             * @param dicMap The map with COSBase objects as values.
063:             */
064:            public COSDictionaryMap(Map actualsMap, COSDictionary dicMap) {
065:                actuals = actualsMap;
066:                map = dicMap;
067:            }
068:
069:            /**
070:             * {@inheritDoc}
071:             */
072:            public int size() {
073:                return map.size();
074:            }
075:
076:            /**
077:             * {@inheritDoc}
078:             */
079:            public boolean isEmpty() {
080:                return size() == 0;
081:            }
082:
083:            /**
084:             * {@inheritDoc}
085:             */
086:            public boolean containsKey(Object key) {
087:                return map.keyList().contains(key);
088:            }
089:
090:            /**
091:             * {@inheritDoc}
092:             */
093:            public boolean containsValue(Object value) {
094:                return actuals.containsValue(value);
095:            }
096:
097:            /**
098:             * {@inheritDoc}
099:             */
100:            public Object get(Object key) {
101:                return actuals.get(key);
102:            }
103:
104:            /**
105:             * {@inheritDoc}
106:             */
107:            public Object put(Object key, Object value) {
108:                COSObjectable object = (COSObjectable) value;
109:
110:                map.setItem(COSName.getPDFName((String) key), object
111:                        .getCOSObject());
112:                return actuals.put(key, value);
113:            }
114:
115:            /**
116:             * {@inheritDoc}
117:             */
118:            public Object remove(Object key) {
119:                map.removeItem(COSName.getPDFName((String) key));
120:                return actuals.remove(key);
121:            }
122:
123:            /**
124:             * {@inheritDoc}
125:             */
126:            public void putAll(Map t) {
127:                throw new RuntimeException("Not yet implemented");
128:            }
129:
130:            /**
131:             * {@inheritDoc}
132:             */
133:            public void clear() {
134:                map.clear();
135:                actuals.clear();
136:            }
137:
138:            /**
139:             * {@inheritDoc}
140:             */
141:            public Set keySet() {
142:                return actuals.keySet();
143:            }
144:
145:            /**
146:             * {@inheritDoc}
147:             */
148:            public Collection values() {
149:                return actuals.values();
150:            }
151:
152:            /**
153:             * {@inheritDoc}
154:             */
155:            public Set entrySet() {
156:                throw new RuntimeException("Not yet implemented");
157:            }
158:
159:            /**
160:             * {@inheritDoc}
161:             */
162:            public boolean equals(Object o) {
163:                boolean retval = false;
164:                if (o instanceof  COSDictionaryMap) {
165:                    COSDictionaryMap other = (COSDictionaryMap) o;
166:                    retval = other.map.equals(this .map);
167:                }
168:                return retval;
169:            }
170:
171:            /**
172:             * {@inheritDoc}
173:             */
174:            public String toString() {
175:                return actuals.toString();
176:            }
177:
178:            /**
179:             * {@inheritDoc}
180:             */
181:            public int hashCode() {
182:                return map.hashCode();
183:            }
184:
185:            /**
186:             * This will take a map&lt;java.lang.String,org.pdfbox.pdmodel.COSObjectable&gt;
187:             * and convert it into a COSDictionary&lt;COSName,COSBase&gt;.
188:             *
189:             * @param someMap A map containing COSObjectables
190:             *
191:             * @return A proper COSDictionary
192:             */
193:            public static COSDictionary convert(Map someMap) {
194:                Iterator iter = someMap.keySet().iterator();
195:                COSDictionary dic = new COSDictionary();
196:                while (iter.hasNext()) {
197:                    String name = (String) iter.next();
198:                    COSObjectable object = (COSObjectable) someMap.get(name);
199:                    dic
200:                            .setItem(COSName.getPDFName(name), object
201:                                    .getCOSObject());
202:                }
203:                return dic;
204:            }
205:
206:            /**
207:             * This will take a COS dictionary and convert it into COSDictionaryMap.  All cos
208:             * objects will be converted to their primitive form.
209:             * 
210:             * @param map The COS mappings.
211:             * @return A standard java map.
212:             * @throws IOException If there is an error during the conversion.
213:             */
214:            public static COSDictionaryMap convertBasicTypesToMap(
215:                    COSDictionary map) throws IOException {
216:                COSDictionaryMap retval = null;
217:                if (map != null) {
218:                    Map actualMap = new HashMap();
219:                    Iterator keyIter = map.keyList().iterator();
220:                    while (keyIter.hasNext()) {
221:                        COSName key = (COSName) keyIter.next();
222:                        COSBase cosObj = map.getDictionaryObject(key);
223:                        Object actualObject = null;
224:                        if (cosObj instanceof  COSString) {
225:                            actualObject = ((COSString) cosObj).getString();
226:                        } else if (cosObj instanceof  COSInteger) {
227:                            actualObject = new Integer(((COSInteger) cosObj)
228:                                    .intValue());
229:                        } else if (cosObj instanceof  COSName) {
230:                            actualObject = ((COSName) cosObj).getName();
231:                        } else if (cosObj instanceof  COSFloat) {
232:                            actualObject = new Float(((COSInteger) cosObj)
233:                                    .floatValue());
234:                        } else if (cosObj instanceof  COSBoolean) {
235:                            actualObject = ((COSBoolean) cosObj).getValue() ? Boolean.TRUE
236:                                    : Boolean.FALSE;
237:                        } else {
238:                            throw new IOException(
239:                                    "Error:unknown type of object to convert:"
240:                                            + cosObj);
241:                        }
242:                        actualMap.put(key.getName(), actualObject);
243:                    }
244:                    retval = new COSDictionaryMap(actualMap, map);
245:                }
246:
247:                return retval;
248:            }
249:        }
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