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1 package com.dotmarketing.servlets.image;
2
3 import java.awt.Color  ;
4 import java.awt.Graphics2D ;
5 import java.awt.image.BufferedImage ;
6
7 import java.io.FileInputStream ;
8 import java.io.IOException ;
9 import java.io.OutputStream ;
10 import java.net.URLEncoder ;
11 import java.util.GregorianCalendar ;
12 import java.io.BufferedInputStream ;
13
14
15 import javax.servlet.ServletException ;
16 import javax.servlet.http.HttpServlet ;
17 import javax.servlet.http.HttpServletRequest ;
18 import javax.servlet.http.HttpServletResponse ;
19
20 import org.apache.commons.logging.LogFactory;
21
22 import sun.awt.image.codec.JPEGImageEncoderImpl;
23
24 import com.dotmarketing.beans.Host;
25 import com.dotmarketing.cache.LiveCache;
26 import com.dotmarketing.factories.HostFactory;
27 import com.dotmarketing.factories.InodeFactory;
28 import com.dotmarketing.portlets.files.factories.FileFactory;
29 import com.dotmarketing.portlets.files.model.File;
30 import com.dotmarketing.util.Logger;
31 import com.dotmarketing.util.UtilMethods;
32 import com.sun.image.codec.jpeg.JPEGEncodeParam;
33
34
41 public class ResizeImageServlet extends HttpServlet {
42
43 private static final long serialVersionUID = 1L;
44 int heightThumbnail = 100;
45 int widthThumbnail = 100;
46
47
52 public void service(HttpServletRequest request, HttpServletResponse response) throws ServletException , IOException {
53
54 long time = System.currentTimeMillis();
55
56 String inode = request.getParameter("inode");
58 if (!UtilMethods.isSet(inode)) {
59 String url = request.getParameter("path");
60 Host currentHost = HostFactory.getCurrentHost(request);
61 String path = LiveCache.getPathFromCache(url, currentHost);
62 inode = UtilMethods.getFileName(path);
63 }
64
65 GregorianCalendar expiration = new GregorianCalendar ();
67 expiration.add(java.util.Calendar.MONTH, 1);
68 java.text.SimpleDateFormat httpDate = new java.text.SimpleDateFormat ("EEE, dd MMM yyyy HH:mm:ss z");
69 response.setHeader("Expires", httpDate.format(expiration.getTime()));
70 response.setHeader("Cache-Control", "max-age=2592000");
71
73 String h = request.getParameter("h");
74 String w = request.getParameter("w");
75
76 String maxh = request.getParameter("maxh");
77 String maxw = request.getParameter("maxw");
78
79 int height = heightThumbnail;
80 int width = widthThumbnail;
81 int imageWidth = 0;
82 int imageHeight = 0;
83 double imageRatio = 0;
84
85 try {
86
87 if (inode != null && inode.length() > 0) {
88
89 File file = (File) InodeFactory.getInode(inode, File.class);
90
91 if (file.getInode() > 0)
92 {
93 if(UtilMethods.isSet(h) || UtilMethods.isSet(w)){
95
96 if(UtilMethods.isInt(h) && UtilMethods.isInt(w)){
97
98 height = (Integer.parseInt(h) > 0 ? Integer.parseInt(h) : heightThumbnail);
99 width = (Integer.parseInt(w) > 0 ? Integer.parseInt(w) : widthThumbnail);
100
101 }else if(UtilMethods.isInt(h)){
102
103 height = (Integer.parseInt(h) > 0 ? Integer.parseInt(h) : heightThumbnail);
104
105 imageWidth = file.getWidth();
107 imageHeight = file.getHeight();
108 imageRatio = (double)imageWidth / (double)imageHeight;
109
110 width = (int)(height * imageRatio);
111
112 }else if(UtilMethods.isInt(w)){
113
114 width = (Integer.parseInt(w) > 0 ? Integer.parseInt(w) : widthThumbnail);
115
116 imageWidth = file.getWidth();
118 imageHeight = file.getHeight();
119 imageRatio = (double)imageWidth / (double)imageHeight;
120
121 height = (int)Math.ceil((width / imageRatio));
122
123 }
124
125 }else if(UtilMethods.isSet(maxh) && UtilMethods.isSet(maxw)) {
126
127 int maxhint = Integer.parseInt(maxh);
128 int maxwint = Integer.parseInt(maxw);
129 int decrease = 0;
130
131 imageWidth = file.getWidth();
132 imageHeight = file.getHeight();
133
134 imageRatio = (double)imageWidth / (double)imageHeight;
135 boolean imageFinishied = true;
136
137 width = maxwint;
138 height = maxhint;
139
140 do {
141
142 if(width <= height ){
143
144 width = width - decrease;
145 height = (int)Math.ceil((width / imageRatio));
146
147 } else {
148
149 height = height - decrease;
150 width = (int)(height * imageRatio);
151 }
152
153 decrease= 1;
154
155 if(height <= maxhint && width <= maxwint){
156 imageFinishied = false;
157 }
158
159 }while(imageFinishied);
160
161 }
162
163
164 String suffix = file.getExtension();
166
167 String filePath = FileFactory.getRealAssetsRootPath();
169
170 String workingFileInodePath = String.valueOf(inode);
173 if (workingFileInodePath.length() == 1) {
174 workingFileInodePath = workingFileInodePath + "0";
175 }
176
177 workingFileInodePath = workingFileInodePath.substring(0, 1) + java.io.File.separator
179 + workingFileInodePath.substring(1, 2);
180
181 String thumbExtension = "resized_" + file.getIdentifier() + URLEncoder.encode(request.getQueryString(),"UTF-8");
182
183 String thumbnailFilePath = filePath + java.io.File.separator + workingFileInodePath
185 + java.io.File.separator + thumbExtension + ".png";
186
187 java.io.File thumbFile = new java.io.File (thumbnailFilePath);
188 Color bgColor = new Color (255,255,255);
189
190 if (!thumbFile.exists() || (request.getParameter("nocache") != null)) {
191 com.dotmarketing.util.Thumbnail.resizeImageWithNoBox(filePath + java.io.File.separator
192 + workingFileInodePath + java.io.File.separator, String.valueOf(inode), suffix,
193 thumbExtension, height, width, bgColor);
194 thumbFile = new java.io.File (thumbnailFilePath);
195 }
196
197 response.setContentType("image/png");
199
200 BufferedInputStream bis = new BufferedInputStream (new FileInputStream (thumbFile));
201 OutputStream os = response.getOutputStream();
202 byte[] buf = new byte[4096];
203 int i = 0;
204
205 while ((i = bis.read(buf)) != -1) {
206 os.write(buf, 0, i);
207 }
208
209 os.close();
210 bis.close();
211 LogFactory.getLog(this.getClass()).debug(
212 "time to build ResizeImage thumbnail: " + (System.currentTimeMillis() - time) + "ms");
213 }else
214 {
215 response.setContentType("image/jpeg");
217 OutputStream os = response.getOutputStream();
219 JPEGImageEncoderImpl jpegEncode = new JPEGImageEncoderImpl(os);
220 BufferedImage bufferedImage = new BufferedImage (1,1,BufferedImage.TYPE_INT_RGB);
221 Graphics2D graphics = bufferedImage.createGraphics();
222 Color bgColor = new Color (255,255,255);
223 graphics.setBackground(bgColor);
224 JPEGEncodeParam encodeParam = jpegEncode.getDefaultJPEGEncodeParam(bufferedImage);
225 encodeParam.setQuality(1,true);
226 jpegEncode.setJPEGEncodeParam(encodeParam);
227 jpegEncode.encode(bufferedImage);
228 }
229
230 }
231 } catch (Exception e) {
232 Logger.debug(ResizeImageServlet.class,"Error creating thumbnail from ResizeImage servlet");
233 e.printStackTrace(System.out);
234 }
235 return;
236 }
237 }
238 |
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