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[Archive-access-cvs] SF.net SVN: archive-access:[2482] trunk/archive-access/projects/wayback/ wayback-core/src/main/java/org/archive/wayback/exception
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From: <bra...@us...> - 2008-07-22 02:53:41
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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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