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1 package com.quadcap.http.servlets.jsp;
2
3
40
41 import java.io.BufferedInputStream  ;
42 import java.io.File ;
43 import java.io.InputStream ;
44 import java.io.InputStreamReader ;
45 import java.io.IOException ;
46 import java.io.Reader ;
47
48 import javax.servlet.ServletContext ;
49
50 import com.quadcap.util.Debug;
51
52
58 public class JspObject {
59 static final String JSP_PACKAGE = "__jsp";
60
61 ServletContext context;
62 String name;
63 String className;
64 String packageName;
65 File packageDir;
66 File javaFile;
67 File classFile;
68 File jspFile = null;
69 long lastCheck = -1;
70 JspPage jspPage;
71
72 public JspObject(ServletContext context,
73 File repository, String name) throws IOException {
74 this.context = context;
75 this.name = name;
76
77 String realPath = context.getRealPath(name);
78 InputStream is = null;
79 if (realPath != null) {
80 this.jspFile = new File (realPath);
81 }
82
83 String java = name;
84 if (java.endsWith(".jsp")) java = java.substring(0, java.length()-4);
85 if (java.indexOf('/') == 0) java = java.substring(1);
86
87 this.className = java;
88 String pDir = JSP_PACKAGE;
89 this.packageName = JSP_PACKAGE;
90 int idx = java.lastIndexOf('/');
91 if (idx > 0) {
92 this.className = java.substring(idx+1);
93 this.packageName = JSP_PACKAGE + '.' +
94 java.substring(0, idx).replace('/', '.');
95 pDir = java.substring(0, idx);
96 }
97
98 File jspRoot = new File (repository, JSP_PACKAGE);
99 this.packageDir = new File (jspRoot, pDir);
100 if (!packageDir.isDirectory() && !packageDir.mkdirs()) {
101 throw new IOException ("Can't create directory: " +
102 packageDir);
103 }
104
105 this.javaFile = new File (jspRoot, java + ".java");
106 this.classFile = new File (jspRoot, java + ".class");
107 }
108
109 public String getClassName() { return className; }
110 public String getPackageName() { return packageName; }
111 public String getName() { return name; }
112 public File getJavaFile() { return javaFile; }
113 public File getClassFile() { return classFile; }
114
115 public Reader getJspReader() {
116 InputStream is = context.getResourceAsStream(name);
117 BufferedInputStream bis = new BufferedInputStream (is);
118 InputStreamReader r = new InputStreamReader (bis);
119 return r;
120 }
121
122 public String getFullClassName() { return packageName + "." + className; }
123
124 public boolean needRecompile() {
125 long now = System.currentTimeMillis();
126 long since = now - lastCheck;
127 if (since < 2000) return false;
128
129 if (!classFile.exists()) return true;
130 if (jspFile != null &&
131 classFile.lastModified() < jspFile.lastModified()) return true;
132 lastCheck = now;
133 return false;
134 }
135
136 public JspPage getJspPage() { return jspPage; }
137 public void setJspPage(JspPage page) {
138 jspPage = page;
139 }
140 }
141 |
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