WaterMarkProcess.java
17.4 KB
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
/*
* Decompiled with CFR 0_118.
*
* Could not load the following classes:
* com.day.cq.commons.ImageHelper
* com.day.cq.dam.api.Asset
* com.day.cq.dam.api.AssetManager
* com.day.cq.dam.api.Rendition
* com.day.cq.dam.api.Revision
* com.day.cq.dam.commons.process.AbstractAssetWorkflowProcess
* com.day.cq.dam.commons.util.DamUtil
* com.day.cq.dam.commons.util.MemoryUtil
* com.day.cq.dam.commons.watermark.Font
* com.day.cq.dam.commons.watermark.Location
* com.day.cq.dam.commons.watermark.TextWatermark
* com.day.cq.dam.commons.watermark.Watermark
* com.day.cq.dam.commons.watermark.WatermarkContext
* com.day.cq.dam.commons.watermark.WatermarkUtil
* com.day.cq.dam.commons.watermark.WatermarkingException
* com.day.cq.workflow.WorkflowException
* com.day.cq.workflow.WorkflowSession
* com.day.cq.workflow.exec.WorkItem
* com.day.cq.workflow.exec.WorkflowData
* com.day.cq.workflow.metadata.MetaDataMap
* com.day.image.Layer
* javax.jcr.Node
* javax.jcr.Property
* javax.jcr.RepositoryException
* javax.jcr.Session
* javax.jcr.Value
* javax.jcr.ValueFactory
* org.apache.commons.lang.StringUtils
* org.apache.felix.scr.annotations.Component
* org.apache.felix.scr.annotations.Property
* org.apache.felix.scr.annotations.Service
* org.apache.sling.api.resource.Resource
* org.apache.sling.api.resource.ResourceResolver
* org.apache.sling.commons.mime.MimeTypeService
* org.slf4j.Logger
* org.slf4j.LoggerFactory
*/
package com.day.cq.dam.core.process;
import com.day.cq.commons.ImageHelper;
import com.day.cq.dam.api.Asset;
import com.day.cq.dam.api.AssetManager;
import com.day.cq.dam.api.Rendition;
import com.day.cq.dam.api.Revision;
import com.day.cq.dam.commons.process.AbstractAssetWorkflowProcess;
import com.day.cq.dam.commons.util.DamUtil;
import com.day.cq.dam.commons.util.MemoryUtil;
import com.day.cq.dam.commons.watermark.Font;
import com.day.cq.dam.commons.watermark.Location;
import com.day.cq.dam.commons.watermark.TextWatermark;
import com.day.cq.dam.commons.watermark.Watermark;
import com.day.cq.dam.commons.watermark.WatermarkContext;
import com.day.cq.dam.commons.watermark.WatermarkUtil;
import com.day.cq.dam.commons.watermark.WatermarkingException;
import com.day.cq.workflow.WorkflowException;
import com.day.cq.workflow.WorkflowSession;
import com.day.cq.workflow.exec.WorkItem;
import com.day.cq.workflow.exec.WorkflowData;
import com.day.cq.workflow.metadata.MetaDataMap;
import com.day.image.Layer;
import java.awt.Color;
import java.io.IOException;
import java.util.ArrayList;
import java.util.Iterator;
import java.util.List;
import javax.imageio.IIOException;
import javax.jcr.Node;
import javax.jcr.Property;
import javax.jcr.RepositoryException;
import javax.jcr.Session;
import javax.jcr.Value;
import javax.jcr.ValueFactory;
import org.apache.commons.lang.StringUtils;
import org.apache.felix.scr.annotations.Component;
import org.apache.felix.scr.annotations.Service;
import org.apache.sling.api.resource.Resource;
import org.apache.sling.api.resource.ResourceResolver;
import org.apache.sling.commons.mime.MimeTypeService;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
@Component(metatype=0)
@Service
@org.apache.felix.scr.annotations.Property(name="process.label", value={"Image Watermarking Process"})
public class WaterMarkProcess
extends AbstractAssetWorkflowProcess {
private static final Logger log = LoggerFactory.getLogger(WaterMarkProcess.class);
private static final String WATERMARKED_RENDITION_NAME = "cq.dam.wm.";
/*
* Unable to fully structure code
* Enabled aggressive exception aggregation
*/
public void execute(WorkItem workItem, WorkflowSession workflowSession, MetaDataMap metaData) throws WorkflowException {
args = this.buildArguments(metaData);
session = workflowSession.getSession();
wfAsset = this.getAssetFromPayload(workItem, session);
assets = null;
assetsList = new ArrayList<Asset>();
if (wfAsset == null) {
wfPayload = workItem.getWorkflowData().getPayload().toString();
try {
resource = this.getResourceResolver(workflowSession.getSession()).getResource(wfPayload);
if (null == resource) ** GOTO lbl18
assets = DamUtil.getAssets((Resource)resource);
}
catch (Exception e) {
message = "execute: cannot create web enabled image, asset [{" + wfPayload + "}] in payload doesn't exist for workflow [{" + workItem.getId() + "}].";
throw new WorkflowException(message);
}
} else {
assetsList.add(wfAsset);
assets = assetsList.iterator();
}
lbl18: // 3 sources:
if (assets != null) {
while (assets.hasNext()) {
asset = (Asset)assets.next();
try {
if (this.isWatermarkable(asset)) {
if (MemoryUtil.hasEnoughSystemMemory((Asset)asset)) {
isLoaded = false;
maxTrials = 100;
while (!isLoaded && maxTrials > 0) {
try {
WaterMarkProcess.log.info("Begin water marking [{}]", (Object)asset.getName());
this.createWatermark(workflowSession, asset, args);
isLoaded = true;
continue;
}
catch (Exception e) {
if (e instanceof IIOException && e.getMessage().contains("Not enough memory")) {
isLoaded = false;
--maxTrials;
WaterMarkProcess.log.debug("execute: insufficient memory, reloading image. Free mem [{}]. Asset [{}].", (Object)Runtime.getRuntime().freeMemory(), (Object)asset.getPath());
Thread.sleep((long)(2500.0 * (Math.random() + 0.5)));
continue;
}
WaterMarkProcess.log.error("execute: error while watermarking image for [{}]: ", (Object)asset.getPath(), (Object)e);
throw new WatermarkingException(e.getMessage());
}
}
if (maxTrials != 0) continue;
WaterMarkProcess.log.warn("execute: failed creating thumbnails, insufficient memory even after [{}] trials for [{}].", (Object)100, (Object)asset.getPath());
continue;
}
WaterMarkProcess.log.warn("execute: failed loading image, insufficient memory. Increase heap size up to [{}bytes] for asset [{}].", (Object)MemoryUtil.suggestMaxHeapSize((Asset)asset), (Object)asset.getPath());
continue;
}
WaterMarkProcess.log.info("not supporting watermarking of any asset other than images. no-op.");
continue;
}
catch (Exception e) {
WaterMarkProcess.log.error("execute: error while watermarking asset; work item [{}]: ", (Object)workItem.getId(), (Object)e);
WaterMarkProcess.log.error(e.getMessage());
throw new WorkflowException((Throwable)e);
}
}
}
}
private boolean isWatermarkable(Asset asset) {
return DamUtil.isImage((Asset)asset);
}
private void createWatermark(WorkflowSession workflowSession, Asset asset, String[] args) throws WatermarkingException {
Rendition original = asset.getOriginal();
Node assetNode = null;
Layer layer = ImageHelper.createLayer((Resource)original);
if (layer == null) {
layer = ImageHelper.createLayer((Resource)this.getThumbnail(asset));
}
if (layer == null) {
throw new WatermarkingException("Unable to create layer from asset image");
}
String text = "\u00a9";
int size = 48;
Color color = Font.DEFAULT_COLOR;
Location position = Watermark.DEFAULT_LOCATION;
float opacity = 0.2f;
boolean archive = false;
double orientation = 0.0;
String font = "Serif";
boolean vertical = false;
boolean useMetadata = true;
List values = this.getValuesFromArgs(Arguments.TEXT.getArgumentName(), args);
if (values != null && !values.isEmpty()) {
text = (String)values.get(0);
}
if ((values = this.getValuesFromArgs(Arguments.SIZE.getArgumentName(), args)) != null && !values.isEmpty()) {
try {
size = Integer.parseInt((String)values.get(0));
}
catch (NumberFormatException e) {
log.warn("Invalid value for font size. Using default {}.");
}
}
if ((values = this.getValuesFromArgs(Arguments.COLOR.getArgumentName(), args)) != null && !values.isEmpty()) {
try {
color = Color.decode("0x" + (String)values.get(0));
}
catch (NumberFormatException e) {
log.warn("Invalid value for font color. Using default {}.", (Object)color);
}
}
if ((values = this.getValuesFromArgs(Arguments.POSITION.getArgumentName(), args)) != null && !values.isEmpty()) {
try {
position = Location.valueOf((String)((String)values.get(0)));
}
catch (IllegalArgumentException e) {
log.warn("Invalid value for watermark position. Using default {}.", (Object)position.name());
}
}
if ((values = this.getValuesFromArgs(Arguments.OPACITY.getArgumentName(), args)) != null && !values.isEmpty()) {
try {
opacity = Float.parseFloat((String)values.get(0)) / 100.0f;
}
catch (NumberFormatException e) {
log.warn("Invalid value for watermark opacity. Using default {}.", (Object)Float.valueOf(opacity));
}
}
if ((values = this.getValuesFromArgs(Arguments.ARCHIVE.getArgumentName(), args)) != null && !values.isEmpty()) {
archive = Boolean.parseBoolean((String)values.get(0));
}
if ((values = this.getValuesFromArgs(Arguments.ORIENTATION.getArgumentName(), args)) != null && !values.isEmpty()) {
try {
orientation = Double.parseDouble((String)values.get(0));
}
catch (NumberFormatException e) {
log.warn("Invalid value for watermark orientation. Using default {}.", (Object)orientation);
}
}
if ((values = this.getValuesFromArgs(Arguments.FONT.getArgumentName(), args)) != null && !values.isEmpty()) {
font = (String)values.get(0);
}
if ((values = this.getValuesFromArgs(Arguments.VERTICAL.getArgumentName(), args)) != null && !values.isEmpty()) {
vertical = Boolean.parseBoolean((String)values.get(0));
}
if ((values = this.getValuesFromArgs(Arguments.USE_METADATA.getArgumentName(), args)) != null && !values.isEmpty()) {
useMetadata = Boolean.parseBoolean((String)values.get(0));
}
TextWatermark watermark = new TextWatermark(position, orientation, opacity, text, new Font(size, color, font));
watermark.setVertical(vertical);
try {
Value[] copyrights;
assetNode = workflowSession.getSession().getNode(asset.getPath());
Node metadataNode = assetNode.getNode("jcr:content/metadata");
Property property = metadataNode.getProperty("dc:rights");
String copyright = null;
copyright = property.isMultiple() ? ((copyrights = property.getValues()).length > 0 ? copyrights[0].getString() : null) : property.getString();
if (useMetadata && copyright != null) {
watermark.setText(copyright);
}
}
catch (RepositoryException e) {
log.debug("asset [{}] does not have metadata field dc:rights", (Object)asset.getPath());
}
try {
if (assetNode.isLocked()) {
log.warn("Version can't be created for the asset [" + asset.getPath() + "] as the asset is locked");
} else {
this.getAssetManager(workflowSession.getSession()).createRevision(asset, "before_watermarking", "");
}
}
catch (Exception e) {
log.debug("error creating version for asset [{}]", (Object)asset.getPath());
throw new WatermarkingException((Throwable)e);
}
log.info("applying text water mark");
WatermarkContext ctx = new WatermarkContext(layer, (Watermark)watermark);
WatermarkUtil.applyWatermark((WatermarkContext)ctx);
String mimeType = asset.getMimeType();
String renditionName = "original";
if (archive) {
renditionName = "cq.dam.wm." + this.mimeTypeService.getExtension(mimeType);
log.info("saving watermarked image for asset [{}] as rendition [{}]", (Object)asset.getPath(), (Object)renditionName);
} else {
log.info("saving watermarked image in original node [{}]", (Object)asset.getOriginal().getPath());
}
this.saveWatermarked(layer, asset, mimeType, renditionName);
log.info("Adding [{}] to dc:rights metadata.", (Object)text);
try {
Node metadataNode = null;
Value[] copyrights = null;
try {
metadataNode = assetNode.getNode("jcr:content/metadata");
copyrights = metadataNode.getProperty("dc:rights").getValues();
}
catch (RepositoryException e) {
log.debug("asset [{}] does not have metadata field dc:rights", (Object)asset.getPath());
}
if (copyrights == null || copyrights.length == 0) {
copyrights = new Value[1];
} else {
Value[] temp = new Value[copyrights.length + 1];
System.arraycopy(copyrights, 0, temp, 0, copyrights.length);
copyrights = temp;
}
copyrights[copyrights.length - 1] = workflowSession.getSession().getValueFactory().createValue(text);
metadataNode.setProperty("dc:rights", copyrights);
workflowSession.getSession().save();
}
catch (RepositoryException e) {
log.debug("error while attempting to update metadata [{}]", (Throwable)e);
throw new WatermarkingException((Throwable)e);
}
}
private void saveWatermarked(Layer layer, Asset asset, String mimeType, String renditionName) throws WatermarkingException {
double quality = mimeType.equals("image/gif") ? 255.0 : 1.0;
try {
Node parentNode = ((Node)asset.getOriginal().adaptTo(Node.class)).getParent();
ImageHelper.saveLayer((Layer)layer, (String)mimeType, (double)quality, (Node)parentNode, (String)renditionName, (boolean)true);
log.info("saved watermarked image in node [{}]", (Object)asset.getRendition(renditionName).getPath());
}
catch (RepositoryException e) {
log.debug("error while saving watermarked image for asset [{}] ", (Object)asset.getName(), (Object)e);
throw new WatermarkingException((Throwable)e);
}
catch (IOException e) {
log.debug("error while saving watermarked image for asset [{}] ", (Object)asset.getName(), (Object)e);
throw new WatermarkingException((Throwable)e);
}
}
private String[] buildArguments(MetaDataMap metaData) {
String processArgs = (String)metaData.get(Arguments.PROCESS_ARGS.name(), String.class);
if (processArgs != null && !processArgs.equals("")) {
return processArgs.split(",");
}
ArrayList<String> arguments = new ArrayList<String>();
for (Arguments arg : Arguments.values()) {
String argName = arg.getArgumentName();
String argValue = (String)metaData.get(argName, String.class);
if (!StringUtils.isNotBlank((String)argValue)) continue;
StringBuilder builder = new StringBuilder(arg.getArgumentPrefix()).append(argValue);
arguments.add(builder.toString());
}
return arguments.toArray(new String[arguments.size()]);
}
private Rendition getThumbnail(Asset asset) {
Rendition rendition = asset.getRendition(DamUtil.getThumbnailName((int)319, (int)319));
if (rendition == null) {
return asset.getOriginal();
}
return rendition;
}
public static enum Arguments {
PROCESS_ARGS("PROCESS_ARGS"),
TEXT("text"),
SIZE("size"),
COLOR("color"),
POSITION("position"),
OPACITY("opacity"),
ARCHIVE("archive"),
IMAGE("image"),
ORIENTATION("orientation"),
FONT("font"),
VERTICAL("vertical"),
USE_METADATA("useMetadata");
private String argumentName;
private Arguments(String argumentName) {
this.argumentName = argumentName;
}
public String getArgumentName() {
return this.argumentName;
}
public String getArgumentPrefix() {
return this.argumentName + ":";
}
}
}