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1
26
27 package it.stefanochizzolini.clown.documents.contents;
28
29 import it.stefanochizzolini.clown.documents.Document;
30 import it.stefanochizzolini.clown.documents.Page;
31 import it.stefanochizzolini.clown.objects.PdfArray;
32 import it.stefanochizzolini.clown.objects.PdfDataObject;
33 import it.stefanochizzolini.clown.objects.PdfDirectObject;
34 import it.stefanochizzolini.clown.objects.PdfName;
35 import it.stefanochizzolini.clown.objects.PdfObjectWrapper;
36 import it.stefanochizzolini.clown.objects.PdfReference;
37 import it.stefanochizzolini.clown.objects.PdfStream;
38 import it.stefanochizzolini.clown.util.NotImplementedException;
39
40 import java.util.Collection  ;
41 import java.util.Iterator ;
42 import java.util.List ;
43 import java.util.ListIterator ;
44
45
48 public class ContentStreams
49 extends PdfObjectWrapper<PdfDataObject>
50 implements List <ContentStream>
51 {
52 private Page parentPage;
56
58
63 public ContentStreams(
64 PdfDirectObject baseObject,
65 Page parentPage
66 )
67 {
68 super(
69 baseObject,
70 ((PdfReference)parentPage.getBaseObject()).getIndirectObject()
71 );
72 this.parentPage = parentPage;
73 }
74
76 public Object clone(
79 Document context
80 )
81 {throw new NotImplementedException();}
82
83 public Page getParentPage(
84 )
85 {return parentPage;}
86
87 public void add(
89 int index,
90 ContentStream content
91 )
92 {
93 ensureArray().add(index,content.getBaseObject());
95 content.setStreamContext(parentPage);
97 }
98
99 public boolean addAll(
100 int index,
101 Collection <? extends ContentStream> contents
102 )
103 {throw new NotImplementedException();}
104
105 public ContentStream get(
106 int index
107 )
108 {
109 PdfDirectObject content;
110 PdfDataObject contents = getBaseDataObject();
111 if(contents instanceof PdfStream)
112 {
113 if(index == 0)
114 content = getBaseObject();
115 else
116 throw new IndexOutOfBoundsException ();
117 }
118 else
119 {
120 content = ((PdfArray)contents).get(index);
121 }
122
123 return new ContentStream(
124 content,
125 parentPage
126 );
127 }
128
129 public int indexOf(
130 Object content
131 )
132 {
133
137 PdfDataObject baseDataObject = getBaseDataObject();
138 if(baseDataObject instanceof PdfStream) {
141 if(baseDataObject.equals(((ContentStream)content).getBaseDataObject()))
142 return 0;
143 else
144 return -1;
145 }
146 else {
148 return ((PdfArray)baseDataObject).indexOf(((ContentStream)content).getBaseObject());
149 }
150 }
151
152 public int lastIndexOf(
153 Object content
154 )
155 {
156
159 return indexOf(content);
160 }
161
162 public ListIterator <ContentStream> listIterator(
163 )
164 {throw new NotImplementedException();}
165
166 public ListIterator <ContentStream> listIterator(
167 int index
168 )
169 {throw new NotImplementedException();}
170
171 public ContentStream remove(
172 int index
173 )
174 {
175 return new ContentStream(
176 ensureArray().remove(index),
177 parentPage
178 );
179 }
180
181 public ContentStream set(
182 int index,
183 ContentStream content
184 )
185 {throw new NotImplementedException();}
186
187 public List <ContentStream> subList(
188 int fromIndex,
189 int toIndex
190 )
191 {throw new NotImplementedException();}
192
193 public boolean add(
195 ContentStream content
196 )
197 {
198 ensureArray().add(content.getBaseObject());
199
200 content.setStreamContext(parentPage);
202
203 return true;
204 }
205
206 public boolean addAll(
207 Collection <? extends ContentStream> contents
208 )
209 {throw new NotImplementedException();}
210
211 public void clear(
212 )
213 {
214 ensureArray().clear();
215 }
216
217 public boolean contains(
218 Object content
219 )
220 {
221
225 PdfDataObject baseDataObject = getBaseDataObject();
226 if(baseDataObject instanceof PdfStream) {
229 return baseDataObject.equals(((ContentStream)content).getBaseDataObject());
230 }
231 else {
233 return ((PdfArray)baseDataObject).contains(((ContentStream)content).getBaseObject());
234 }
235 }
236
237 public boolean containsAll(
238 Collection <?> contents
239 )
240 {throw new NotImplementedException();}
241
242 public boolean equals(
243 Object object
244 )
245 {throw new NotImplementedException();}
246
247 public int hashCode(
248 )
249 {throw new NotImplementedException();}
250
251 public boolean isEmpty(
252 )
253 {return (size() == 0);}
254
255 public boolean remove(
256 Object content
257 )
258 {return ensureArray().remove(((ContentStream)content).getBaseObject());}
259
260 public boolean removeAll(
261 Collection <?> contents
262 )
263 {throw new NotImplementedException();}
264
265 public boolean retainAll(
266 Collection <?> contents
267 )
268 {throw new NotImplementedException();}
269
270 public int size(
271 )
272 {
273
277 PdfDataObject baseDataObject = getBaseDataObject();
278 if(baseDataObject instanceof PdfStream) return 1;
280 else return ((PdfArray)baseDataObject).size();
282 }
283
284 public ContentStream[] toArray(
285 )
286 {throw new NotImplementedException();}
287
288 public <ContentStream> ContentStream[] toArray(
289 ContentStream[] contents
290 )
291 {throw new NotImplementedException();}
292
293 public Iterator <ContentStream> iterator(
295 )
296 {throw new NotImplementedException();}
297
302
306 protected PdfArray ensureArray(
307 )
308 {
309 PdfDataObject baseDataObject = getBaseDataObject();
310 if(baseDataObject instanceof PdfStream)
312 {
313
317 baseDataObject = new PdfArray(new PdfDirectObject[]{getBaseObject()});
318 setBaseDataObject(baseDataObject); setBaseObject((PdfDirectObject)baseDataObject);
319 parentPage.getBaseDataObject().put(PdfName.Contents,getBaseObject());
321 setContainer(((PdfReference)parentPage.getBaseObject()).getIndirectObject());
323 }
324
325 return (PdfArray)baseDataObject;
326 }
327 } |
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