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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 import java.io.BufferedInputStream ;
7 import java.io.FileInputStream ;
8 import java.io.IOException ;
9 import java.io.OutputStream ;
10 import java.util.GregorianCalendar ;
11
12 import javax.servlet.ServletException ;
13 import javax.servlet.http.HttpServlet ;
14 import javax.servlet.http.HttpServletRequest ;
15 import javax.servlet.http.HttpServletResponse ;
16
17 import org.apache.commons.logging.LogFactory;
18
19 import sun.awt.image.codec.JPEGImageEncoderImpl;
20
21 import com.dotmarketing.beans.Host;
22 import com.dotmarketing.cache.LiveCache;
23 import com.dotmarketing.factories.HostFactory;
24 import com.dotmarketing.factories.InodeFactory;
25 import com.dotmarketing.portlets.files.factories.FileFactory;
26 import com.dotmarketing.portlets.files.model.File;
27 import com.dotmarketing.util.Logger;
28 import com.dotmarketing.util.UtilMethods;
29 import com.sun.image.codec.jpeg.JPEGEncodeParam;
30
31 public class ThumbnailImage extends HttpServlet {
32
33 private static final long serialVersionUID = 1L;
34 int heightThumbnail = 100;
35 int widthThumbnail = 100;
36
37 public void service(HttpServletRequest request, HttpServletResponse response) throws ServletException , IOException {
38
39 long time = System.currentTimeMillis();
40
41 String inode = request.getParameter("inode");
42 if (!UtilMethods.isSet(inode)) {
43 String url = request.getParameter("url");
44 Host currentHost = HostFactory.getCurrentHost(request);
45 String path = LiveCache.getPathFromCache(url, currentHost);
46 inode = UtilMethods.getFileName(path);
47 }
48
49 GregorianCalendar expiration = new GregorianCalendar ();
51 expiration.add(java.util.Calendar.MONTH, 1);
52 java.text.SimpleDateFormat httpDate = new java.text.SimpleDateFormat ("EEE, dd MMM yyyy HH:mm:ss z");
53 response.setHeader("Expires", httpDate.format(expiration.getTime()));
54 response.setHeader("Cache-Control", "max-age=2592000");
55
57 String h = request.getParameter("h");
58 String w = request.getParameter("w");
59 String r = request.getParameter("r");
60 String g = request.getParameter("g");
61 String b = request.getParameter("b");
62
63 int rInt = 255;
64 int gInt = 255;
65 int bInt = 255;
66
67 try {
68 rInt = Integer.parseInt(r);
69 gInt = Integer.parseInt(g);
70 bInt = Integer.parseInt(b);
71 }
72 catch (Exception e) {
73 Logger.debug(ThumbnailImage.class,"Error with RGB number");
74 }
75
76 String fileBgColorName = rInt + "_" + gInt + "_" + bInt;
77
78 try {
79
80 int height = (UtilMethods.isInt(h) ? Integer.parseInt(h) : heightThumbnail);
81 int width = (UtilMethods.isInt(w) ? Integer.parseInt(w) : widthThumbnail);
82
83 if (inode != null && inode.length() > 0) {
84
85 File file = (File) InodeFactory.getInode(inode, File.class);
86
87 if (file.getInode() > 0)
88 {
89 String suffix = UtilMethods.getFileExtension(file.getFileName());
91
92 String filePath = FileFactory.getRealAssetsRootPath();
94
95 String workingFileInodePath = String.valueOf(inode);
98 if (workingFileInodePath.length() == 1) {
99 workingFileInodePath = workingFileInodePath + "0";
100 }
101 workingFileInodePath = workingFileInodePath.substring(0, 1) + java.io.File.separator
103 + workingFileInodePath.substring(1, 2);
104
105 String thumbExtension = "_thumb_" + height + "_" + width + "_"+ fileBgColorName;
106
107 String thumbnailFilePath = filePath + java.io.File.separator + workingFileInodePath
108 + java.io.File.separator + inode + thumbExtension + "." + suffix;
109
110 java.io.File thumbFile = new java.io.File (thumbnailFilePath);
111 Color bgColor = new Color (rInt,gInt,bInt);
112
113 if (!thumbFile.exists() || (request.getParameter("nocache") != null)) {
114 com.dotmarketing.util.Thumbnail.resizeImage(filePath + java.io.File.separator
115 + workingFileInodePath + java.io.File.separator, String.valueOf(inode), suffix,
116 thumbExtension, height, width, bgColor);
117 thumbFile = new java.io.File (thumbnailFilePath);
118 }
119
120 response.setContentType("image/png");
122
123 BufferedInputStream bis = new BufferedInputStream (new FileInputStream (thumbFile));
124 OutputStream os = response.getOutputStream();
125 byte[] buf = new byte[4096];
126 int i = 0;
127
128 while ((i = bis.read(buf)) != -1) {
129 os.write(buf, 0, i);
130 }
131
132 os.close();
133 bis.close();
134 LogFactory.getLog(this.getClass()).debug(
135 "time to build thumbnail: " + (System.currentTimeMillis() - time) + "ms");
136 }
137 else
138 {
139 response.setContentType("image/jpeg");
141 OutputStream os = response.getOutputStream();
143 JPEGImageEncoderImpl jpegEncode = new JPEGImageEncoderImpl(os);
144 BufferedImage bufferedImage = new BufferedImage (1,1,BufferedImage.TYPE_INT_RGB);
145 Graphics2D graphics = bufferedImage.createGraphics();
146 Color bgColor = new Color (rInt,gInt,bInt);
147 graphics.setBackground(bgColor);
148 JPEGEncodeParam encodeParam = jpegEncode.getDefaultJPEGEncodeParam(bufferedImage);
149 encodeParam.setQuality(1,true);
150 jpegEncode.setJPEGEncodeParam(encodeParam);
151 jpegEncode.encode(bufferedImage);
152 }
153 }
154 } catch (Exception e) {
155 Logger.debug(ThumbnailImage.class,"Error creating thumbnail from servlet");
156 e.printStackTrace(System.out);
157 }
158 return;
159 }
160 }
161 |
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