+/*
+ * Copyright 2005 the original author or authors.
+ *
+ * Licensed 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.wamblee.photos.security;
+
+import javax.persistence.DiscriminatorValue;
+import javax.persistence.Entity;
+
+import org.wamblee.photos.wicket.BasePage;
+import org.wamblee.security.authorization.AllOperation;
+import org.wamblee.security.authorization.AuthorizationResult;
+import org.wamblee.security.authorization.IsaOperationCondition;
+import org.wamblee.security.authorization.RegexpPathCondition;
+import org.wamblee.security.authorization.UrlAuthorizationRule;
+import org.wamblee.security.authorization.UserCondition;
+
+/**
+ * AUthorization rule for pages.
+ */
+@Entity
+@DiscriminatorValue("PAGE")
+public class PageAuthorizationRule extends UrlAuthorizationRule {
+
+ /**
+ * Type-safe construction of page authorization rule.
+ *
+ * @param aResult
+ * Result.
+ * @param aUserCondition
+ * User condition.
+ * @param aPageList
+ * A list of page names.
+ */
+ public PageAuthorizationRule(AuthorizationResult aResult,
+ UserCondition aUserCondition, Class<? extends BasePage>... aPageList) {
+ super(aResult, aUserCondition, new RegexpPathCondition(
+ getPageRegex(aPageList)), BasePage.class,
+ new IsaOperationCondition(AllOperation.class));
+ }
+
+ /**
+ * Converts a list of page names into a regular expression for the pages.
+ *
+ * @param aPageList
+ * List of pages.
+ * @return Regexp matching any of the given pagenames.
+ */
+ private static String getPageRegex(Class<? extends BasePage>[] aPageList) {
+ String result = "";
+ for (int i = 0; i < aPageList.length; i++) {
+ if (result.length() == 0) {
+ result = "/" + aPageList[i].getSimpleName();
+ } else {
+ result = result + "|/" + aPageList[i].getSimpleName();
+ }
+ }
+ return result;
+ }
+
+ /**
+ * Constructor for OR mapping.
+ */
+ protected PageAuthorizationRule() {
+ super();
+ }
+
+ /* (non-Javadoc)
+ * @see org.wamblee.security.authorization.UrlAuthorizationRule#getResourcePath(java.lang.Object)
+ */
+ @Override
+ protected String getResourcePath(Object aResource) {
+ BasePage page = (BasePage) aResource;
+ return "/" + page.getClass().getSimpleName();
+ }
+}