From 11c4bfac46f66ab3ba24b6354a6a372da40c0b1f Mon Sep 17 00:00:00 2001
From: Andreas Fitzek <andreas.fitzek@iaik.tugraz.at>
Date: Thu, 9 Jan 2014 12:52:06 +0100
Subject: PDF-AS web Developments

---
 .../pdfas/web/filter/ExceptionCatchFilter.java     | 75 ++++++++++++++++++++++
 1 file changed, 75 insertions(+)
 create mode 100644 pdf-as-web/src/main/java/at/gv/egiz/pdfas/web/filter/ExceptionCatchFilter.java

(limited to 'pdf-as-web/src/main/java/at/gv/egiz/pdfas/web/filter')

diff --git a/pdf-as-web/src/main/java/at/gv/egiz/pdfas/web/filter/ExceptionCatchFilter.java b/pdf-as-web/src/main/java/at/gv/egiz/pdfas/web/filter/ExceptionCatchFilter.java
new file mode 100644
index 00000000..bcda2263
--- /dev/null
+++ b/pdf-as-web/src/main/java/at/gv/egiz/pdfas/web/filter/ExceptionCatchFilter.java
@@ -0,0 +1,75 @@
+package at.gv.egiz.pdfas.web.filter;
+
+import java.io.IOException;
+import java.util.Enumeration;
+
+import javax.servlet.Filter;
+import javax.servlet.FilterChain;
+import javax.servlet.FilterConfig;
+import javax.servlet.ServletException;
+import javax.servlet.ServletRequest;
+import javax.servlet.ServletResponse;
+import javax.servlet.http.HttpServletRequest;
+
+import org.apache.http.HttpRequest;
+import org.apache.log4j.BasicConfigurator;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+import at.gv.egiz.pdfas.web.helper.PdfAsHelper;
+
+/**
+ * Servlet Filter implementation class ExceptionCatchFilter
+ */
+public class ExceptionCatchFilter implements Filter {
+
+	private static final Logger logger = LoggerFactory
+			.getLogger(ExceptionCatchFilter.class);
+	
+    /**
+     * Default constructor. 
+     */
+    public ExceptionCatchFilter() {
+    }
+
+	/**
+	 * @see Filter#destroy()
+	 */
+	public void destroy() {
+	}
+
+	/**
+	 * @see Filter#doFilter(ServletRequest, ServletResponse, FilterChain)
+	 */
+	public void doFilter(ServletRequest request, ServletResponse response, FilterChain chain) throws IOException, ServletException {
+		//try {
+		
+		if(request instanceof HttpServletRequest) {
+			logger.debug("Processing Parameters into Attributes");
+			HttpServletRequest httpRequest = (HttpServletRequest)request;
+			Enumeration<String> parameterNames = httpRequest.getParameterNames();
+			while(parameterNames.hasMoreElements()) {
+				String name = parameterNames.nextElement();
+				String value = httpRequest.getParameter(name);
+				request.setAttribute(name, value);
+				logger.info("Setting attribute: " + name + " - " + value);
+			}
+		}
+		
+		
+			chain.doFilter(request, response);
+		/*} catch(Throwable e) {
+			System.err.println("Unhandled Exception found!");
+			e.printStackTrace(System.err);
+			logger.error("Unhandled Exception found!", e);
+		}*/
+	}
+
+	/**
+	 * @see Filter#init(FilterConfig)
+	 */
+	public void init(FilterConfig fConfig) throws ServletException {
+		BasicConfigurator.configure();
+	}
+
+}
-- 
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