From: markt <markt@13f79535-47bb-0310-9956-ffa450edef68>
Date: Thu, 19 May 2011 16:25:45 +0000 (+0000)
Subject: Refactoring in preparation for a fix for BZ 33453
X-Git-Url: https://git.internetallee.de/?a=commitdiff_plain;h=7b67d4f48f1b13dd1b965f2c0afc95eb87fd606f;p=tomcat7.0

Refactoring in preparation for a fix for BZ 33453

git-svn-id: https://svn.apache.org/repos/asf/tomcat/trunk@1124986 13f79535-47bb-0310-9956-ffa450edef68
---

diff --git a/java/org/apache/jasper/JspCompilationContext.java b/java/org/apache/jasper/JspCompilationContext.java
index 274db1059..ec05e0b29 100644
--- a/java/org/apache/jasper/JspCompilationContext.java
+++ b/java/org/apache/jasper/JspCompilationContext.java
@@ -19,9 +19,12 @@ package org.apache.jasper;
 
 import java.io.File;
 import java.io.FileNotFoundException;
+import java.io.IOException;
+import java.net.JarURLConnection;
 import java.net.MalformedURLException;
 import java.net.URL;
 import java.net.URLClassLoader;
+import java.net.URLConnection;
 import java.util.HashMap;
 import java.util.Map;
 import java.util.Set;
@@ -382,6 +385,43 @@ public class JspCompilationContext {
         return jspUri;
     }
 
+    public long getJspLastModified() {
+        long result = -1;
+        URLConnection uc = null;
+        try {
+            URL jspUrl = getResource(getJspFile());
+            if (jspUrl == null) {
+                incrementRemoved();
+                return result;
+            }
+            uc = jspUrl.openConnection();
+            if (uc instanceof JarURLConnection) {
+                result = ((JarURLConnection) uc).getJarEntry().getTime();
+            } else {
+                result = uc.getLastModified();
+            }
+        } catch (IOException e) {
+            if (log.isDebugEnabled()) {
+                log.debug(Localizer.getMessage(
+                        "jsp.error.lastModified", getJspFile()), e);
+            }
+            result = -1;
+        } finally {
+            if (uc != null) {
+                try {
+                    uc.getInputStream().close();
+                } catch (IOException e) {
+                    if (log.isDebugEnabled()) {
+                        log.debug(Localizer.getMessage(
+                                "jsp.error.lastModified", getJspFile()), e);
+                    }
+                    result = -1;
+                }
+            }
+        }
+        return result;
+    }
+
     public boolean isTagFile() {
         return isTagFile;
     }
diff --git a/java/org/apache/jasper/compiler/Compiler.java b/java/org/apache/jasper/compiler/Compiler.java
index 4b9add497..1f8959545 100644
--- a/java/org/apache/jasper/compiler/Compiler.java
+++ b/java/org/apache/jasper/compiler/Compiler.java
@@ -429,8 +429,6 @@ public abstract class Compiler {
      */
     public boolean isOutDated(boolean checkClass) {
 
-        String jsp = ctxt.getJspFile();
-
         if (jsw != null
                 && (ctxt.getOptions().getModificationTestInterval() > 0)) {
 
@@ -442,24 +440,9 @@ public abstract class Compiler {
             jsw.setLastModificationTest(System.currentTimeMillis());
         }
 
-        long jspRealLastModified = 0;
-        try {
-            URL jspUrl = ctxt.getResource(jsp);
-            if (jspUrl == null) {
-                ctxt.incrementRemoved();
-                return true;
-            }
-            URLConnection uc = jspUrl.openConnection();
-            if (uc instanceof JarURLConnection) {
-                jspRealLastModified =
-                    ((JarURLConnection) uc).getJarEntry().getTime();
-            } else {
-                jspRealLastModified = uc.getLastModified();
-            }
-            uc.getInputStream().close();
-        } catch (Exception e) {
-            if (log.isDebugEnabled())
-                log.debug("Problem accessing resource. Treat as outdated.", e);
+        long jspRealLastModified = ctxt.getJspLastModified();
+        if (jspRealLastModified < 0) {
+            // Something went wrong - assume modification
             return true;
         }
 
diff --git a/java/org/apache/jasper/resources/LocalStrings.properties b/java/org/apache/jasper/resources/LocalStrings.properties
index 50dbfb55e..74569c61e 100644
--- a/java/org/apache/jasper/resources/LocalStrings.properties
+++ b/java/org/apache/jasper/resources/LocalStrings.properties
@@ -454,6 +454,7 @@ jsp.error.nested_jsproot=Nested &lt;jsp:root&gt;
 jsp.error.unbalanced.endtag=The end tag \"&lt;/{0}\" is unbalanced
 jsp.error.invalid.bean=The value for the useBean class attribute {0} is invalid.
 jsp.error.prefix.use_before_dcl=The prefix {0} specified in this tag directive has been previously used by an action in file {1} line {2}.
+jsp.error.lastModified=Unable to determine last modified date for file [{0}]
 
 jsp.exception=An exception occurred processing JSP page {0} at line {1}
 
@@ -489,4 +490,4 @@ jsp.message.jsp_unload_check=Checking JSPs for unload in context [{0}], JSP coun
 
 xmlParser.skipBomFail=Failed to skip BOM when parsing XML input stream
 
-jsp.tldCache.noTldInJar=No TLD files were found in [{0}]. Consider adding the JAR to to the tomcat.util.scan.DefaultJarScanner.jarsToSkip in CATALINA_BASE/catalina.properties
\ No newline at end of file
+jsp.tldCache.noTldInJar=No TLD files were found in [{0}]. Consider adding the JAR to to the tomcat.util.scan.DefaultJarScanner.jarsToSkip in CATALINA_BASE/catalina.properties