svn commit: r1438462 - in /tomee/tomee/trunk/tomee/tomee-catalina/src/main/java/org/apache/tomee/catalina/valve: ./ MinimumErrorReportValve.java

[rm...@apache.org]

Author: rmannibucau
Date: Fri Jan 25 11:59:36 2013
New Revision: 1438462

URL: http://svn.apache.org/viewvc?rev=1438462&view=rev
Log:
TOMEE-752 MinimumErrorReportValve

Added:
    tomee/tomee/trunk/tomee/tomee-catalina/src/main/java/org/apache/tomee/catalina/valve/
    tomee/tomee/trunk/tomee/tomee-catalina/src/main/java/org/apache/tomee/catalina/valve/MinimumErrorReportValve.java

Added: tomee/tomee/trunk/tomee/tomee-catalina/src/main/java/org/apache/tomee/catalina/valve/MinimumErrorReportValve.java
URL: http://svn.apache.org/viewvc/tomee/tomee/trunk/tomee/tomee-catalina/src/main/java/org/apache/tomee/catalina/valve/MinimumErrorReportValve.java?rev=1438462&view=auto
==============================================================================
--- tomee/tomee/trunk/tomee/tomee-catalina/src/main/java/org/apache/tomee/catalina/valve/MinimumErrorReportValve.java (added)
+++ tomee/tomee/trunk/tomee/tomee-catalina/src/main/java/org/apache/tomee/catalina/valve/MinimumErrorReportValve.java Fri Jan 25 11:59:36 2013
@@ -0,0 +1,67 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache License, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License.  You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package org.apache.tomee.catalina.valve;
+
+import org.apache.catalina.connector.Request;
+import org.apache.catalina.connector.Response;
+import org.apache.catalina.valves.ErrorReportValve;
+import org.apache.tomcat.util.ExceptionUtils;
+
+import java.io.IOException;
+import java.io.Writer;
+
+// this valve simply print the http error code
+// it is to avoid to get any information on the server
+// no tomcat/tomee version, no css, no stacktrace should be printed
+public class MinimumErrorReportValve extends ErrorReportValve {
+    @Override
+    protected void report(final Request request, final Response response,
+                          final Throwable throwable) {
+        int statusCode = response.getStatus();
+        if (statusCode < 400 || response.getContentWritten() > 0 ||
+                !response.isError()) {
+            return;
+        }
+
+        try {
+            try {
+                response.setContentType("text/html");
+                response.setCharacterEncoding("utf-8");
+            } catch (Throwable t) {
+                ExceptionUtils.handleThrowable(t);
+                if (container.getLogger().isDebugEnabled()) {
+                    container.getLogger().debug("status.setContentType", t);
+                }
+            }
+            final Writer writer = response.getReporter();
+            if (writer != null) {
+                writer.write("<html>\n" +
+                        "<head>\n" +
+                        "<meta http-equiv=\"Content-Type\" content=\"text/html; charset=utf-8\">\n" +
+                        "</head>\n" +
+                        "<body>\n" +
+                        "<h1>HTTP Error " + statusCode +"</h1>\n" +
+                        "</body>\n" +
+                        "</html>\n");
+            }
+        } catch (IOException e) {
+            // Ignore
+        } catch (IllegalStateException e) {
+            // Ignore
+        }
+    }
+}