Thread: [Archive-access-cvs] SF.net SVN: archive-access:[2482] trunk/archive-access/projects/wayback/ wayb

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Revision: 2482
          http://archive-access.svn.sourceforge.net/archive-access/?rev=2482&view=rev
Author:   bradtofel
Date:     2008-07-22 02:53:50 +0000 (Tue, 22 Jul 2008)

Log Message:
-----------
INITIAL-REV: two custom ExceptionRenderer implementations which provide the ability to override specific the standard .jsp handlers, via a list of special-case hosts, or by consulting an external Oracle. The AnnotationExceptionRenderer is highly experimental.

Added Paths:
-----------
    trunk/archive-access/projects/wayback/wayback-core/src/main/java/org/archive/wayback/exception/AnnotationExceptionRenderer.java
    trunk/archive-access/projects/wayback/wayback-core/src/main/java/org/archive/wayback/exception/CustomNotInArchiveExceptionRenderer.java

Added: trunk/archive-access/projects/wayback/wayback-core/src/main/java/org/archive/wayback/exception/AnnotationExceptionRenderer.java
===================================================================

--- trunk/archive-access/projects/wayback/wayback-core/src/main/java/org/archive/wayback/exception/AnnotationExceptionRenderer.java	                        (rev 0)
+++ trunk/archive-access/projects/wayback/wayback-core/src/main/java/org/archive/wayback/exception/AnnotationExceptionRenderer.java	2008-07-22 02:53:50 UTC (rev 2482)
@@ -0,0 +1,130 @@
+/* AnnotationExceptionRenderer
+ *
+ * $Id$
+ *
+ * Created on 7:17:24 PM Jun 10, 2008.
+ *
+ * Copyright (C) 2008 Internet Archive.
+ *
+ * This file is part of wayback.
+ *
+ * wayback is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU Lesser Public License as published by
+ * the Free Software Foundation; either version 2.1 of the License, or
+ * any later version.
+ *
+ * wayback is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU Lesser Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser Public License
+ * along with wayback; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
+ */
+package org.archive.wayback.exception;
+
+import java.util.Date;
+
+import javax.servlet.http.HttpServletRequest;
+import javax.servlet.http.HttpServletResponse;
+
+import org.archive.accesscontrol.AccessControlClient;
+import org.archive.accesscontrol.RuleOracleUnavailableException;
+import org.archive.accesscontrol.model.Rule;
+import org.archive.wayback.core.WaybackRequest;
+
+/**
+ *
+ *
+ * @author brad
+ * @version $Date$, $Revision$
+ */
+public class AnnotationExceptionRenderer extends BaseExceptionRenderer {
+	private AccessControlClient client = null;
+	private String oracleUrl = null;
+	private String who = null;
+	public void init() {
+		client = new AccessControlClient(oracleUrl);
+	}
+	public String getExceptionHandler(HttpServletRequest httpRequest,
+			HttpServletResponse httpResponse, WaybackRequest wbRequest,
+			WaybackException exception) {
+		// the "standard HTML" response handler:
+		String jspPath = getCustomHandler(exception,wbRequest);
+		if(jspPath == null) {
+			jspPath = super.getExceptionHandler(httpRequest, httpResponse,
+					wbRequest, exception);
+		}
+		return jspPath;
+	}
+
+	private String getCustomHandler(WaybackException e, WaybackRequest wbRequest) {
+		String jspPath = null;
+		if((e instanceof ResourceNotInArchiveException)
+				&& wbRequest.isReplayRequest()) {
+			String url = wbRequest.getRequestUrl();
+			Date captureDate = wbRequest.getReplayDate();
+			try {
+				Rule rule = client.getRule(url,captureDate,new Date(),who);
+				jspPath = ruleToJspPath(rule);
+			} catch (RuleOracleUnavailableException e1) {
+				e1.printStackTrace();
+			}
+		}
+		return jspPath;
+	}
+
+	private String ruleToJspPath(Rule rule) {
+		if(rule != null) {
+			String pc = rule.getPublicComment();
+			if(pc.startsWith("/")) {
+				return pc;
+			}
+		}
+		return null;
+	}
+	/**
+	 * @return the client
+	 */
+	public AccessControlClient getClient() {
+		return client;
+	}
+
+	/**
+	 * @param client the client to set
+	 */
+	public void setClient(AccessControlClient client) {
+		client.setRobotLookupsEnabled(false);
+		this.client = client;
+	}
+
+	/**
+	 * @return the oracleUrl
+	 */
+	public String getOracleUrl() {
+		return oracleUrl;
+	}
+
+	/**
+	 * @param oracleUrl the oracleUrl to set
+	 */
+	public void setOracleUrl(String oracleUrl) {
+		this.oracleUrl = oracleUrl;
+		setClient(new AccessControlClient(oracleUrl));
+	}
+
+	/**
+	 * @return the who
+	 */
+	public String getWho() {
+		return who;
+	}
+
+	/**
+	 * @param who the who to set
+	 */
+	public void setWho(String who) {
+		this.who = who;
+	}
+}

Added: trunk/archive-access/projects/wayback/wayback-core/src/main/java/org/archive/wayback/exception/CustomNotInArchiveExceptionRenderer.java
===================================================================
--- trunk/archive-access/projects/wayback/wayback-core/src/main/java/org/archive/wayback/exception/CustomNotInArchiveExceptionRenderer.java	                        (rev 0)
+++ trunk/archive-access/projects/wayback/wayback-core/src/main/java/org/archive/wayback/exception/CustomNotInArchiveExceptionRenderer.java	2008-07-22 02:53:50 UTC (rev 2482)
@@ -0,0 +1,95 @@
+/* CustomNotInArchiveExceptionRenderer
+ *
+ * $Id$
+ *
+ * Created on 1:21:49 PM Jul 8, 2008.
+ *
+ * Copyright (C) 2008 Internet Archive.
+ *
+ * This file is part of wayback.
+ *
+ * wayback is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU Lesser Public License as published by
+ * the Free Software Foundation; either version 2.1 of the License, or
+ * any later version.
+ *
+ * wayback is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU Lesser Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser Public License
+ * along with wayback; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
+ */
+package org.archive.wayback.exception;
+
+import java.util.HashMap;
+import java.util.List;
+
+import javax.servlet.http.HttpServletRequest;
+import javax.servlet.http.HttpServletResponse;
+
+import org.archive.wayback.core.WaybackRequest;
+import org.archive.wayback.util.url.UrlOperations;
+
+/**
+ *
+ *
+ * @author brad
+ * @version $Date$, $Revision$
+ */
+public class CustomNotInArchiveExceptionRenderer extends BaseExceptionRenderer  {
+	private HashMap<String,Object> hosts = null;
+	private String jspHandler = null;
+	
+	
+	public String getExceptionHandler(HttpServletRequest httpRequest,
+			HttpServletResponse httpResponse, WaybackRequest wbRequest,
+			WaybackException exception) {
+		String jspPath = getCustomHandler(exception,wbRequest);
+		if(jspPath == null) {
+			jspPath = super.getExceptionHandler(httpRequest, httpResponse,
+					wbRequest, exception);
+		}
+		return jspPath;
+	}
+
+
+	/**
+	 * @param exception
+	 * @param wbRequest
+	 * @return
+	 */
+	private String getCustomHandler(WaybackException exception,
+			WaybackRequest wbRequest) {
+		if((exception instanceof ResourceNotInArchiveException)
+				&& wbRequest.isReplayRequest()) {
+			String url = wbRequest.getRequestUrl();
+			String host = UrlOperations.urlToHost(url);
+			if(hosts.containsKey(host)) {
+				return jspHandler;
+			}
+		}
+		return null;
+	}
+
+
+	public String getJspHandler() {
+		return jspHandler;
+	}
+
+
+	public void setJspHandler(String jspHandler) {
+		this.jspHandler = jspHandler;
+	}
+	public List<String> getHosts() {
+		return null;
+	}
+	public void setHosts(List<String> hosts) {
+		this.hosts = new HashMap<String,Object>();
+		for(String host : hosts) {
+			this.hosts.put(host, null);
+		}
+	}
+}


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Thread: [Archive-access-cvs] SF.net SVN: archive-access:[2482] trunk/archive-access/projects/wayback/ wayb

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