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1
52
53 package com.go.teaservlet.util;
54
55 import java.io.IOException  ;
56 import java.io.FileNotFoundException ;
57 import java.io.InputStream ;
58 import java.io.File ;
59 import java.io.FilenameFilter ;
60 import java.io.BufferedInputStream ;
61 import java.io.FileInputStream ;
62 import java.io.OutputStream ;
63 import java.util.Iterator ;
64 import java.util.Vector ;
65 import javax.servlet.*;
66 import javax.servlet.http.*;
67
68
78 public class TemplateServerServlet extends HttpServlet {
79 File mTemplateRoot;
80 ServletConfig mConfig;
81
82 public void init(ServletConfig conf) {
83 mConfig = conf;
84 mTemplateRoot = new File (conf.getInitParameter("template.root"));
85 }
86
87 public void doPost(HttpServletRequest req,HttpServletResponse res) {
88 doGet(req,res);
89 }
90
91
96 public void doGet(HttpServletRequest req,HttpServletResponse res) {
97 try {
98 getTemplateData(res.getOutputStream(),
99 req.getPathInfo());
100 }
101 catch (IOException ioe) {
102 ioe.printStackTrace();
103 }
104 }
105
106 public void getTemplateData(OutputStream out,String path) {
107 try {
108 File templateFile;
109 if (path != null) {
110 templateFile = new File (mTemplateRoot,path);
111
112 }
113 else {
114 templateFile = mTemplateRoot;
115 }
116 if (templateFile != null) {
117 if (templateFile.isFile()) {
118 InputStream fis = new BufferedInputStream (
119 new FileInputStream (templateFile));
120 for(int nextChar = -1;(nextChar = fis.read()) >= 0;) {
121 out.write(nextChar);
122 }
123 fis.close();
124 }
125 else if (templateFile.isDirectory()) {
126 Vector tempVec = new Vector ();
127 File [] dirlist = templateFile.listFiles();
128 for (int j=0;j<dirlist.length;j++) {
129 listTemplates(dirlist[j],tempVec,"/");
130 }
131 Iterator tempIt = tempVec.iterator();
132 while (tempIt.hasNext()) {
133 out.write((byte[])tempIt.next());
134 }
135 }
136 else {
137 mConfig.getServletContext().log(path
138 + " doesn't map to an existing template or directory.");
139 }
140 }
141 }
142 catch (Exception e) {
143 e.printStackTrace();
144 }
145 }
146
147 public void listTemplates(File root,Vector storage,String path) throws IOException {
148 if (root.isDirectory()) {
149 File [] dirlist = root.listFiles();
150 for (int j=0;j<dirlist.length;j++) {
151 listTemplates(dirlist[j],storage,
152 path + root.getName() + "/");
153 }
154 }
155 else if (root.isFile()) {
156 String templateName = root.getName();
157 if (templateName.endsWith(".tea")) {
158 storage.add(("|" + path + templateName.substring(0,templateName.length()-4)+ "|"
159 + Long.toString(root.lastModified())).getBytes());
160 }
161 }
162 }
163 }
164 |
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