[sling-org-apache-sling-featureflags] 21/25: FELIX-3444 : Provide a switch to enable feature flags for the resource resolver

[ro...@apache.org]

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rombert pushed a commit to annotated tag org.apache.sling.featureflags-1.0.0
in repository https://gitbox.apache.org/repos/asf/sling-org-apache-sling-featureflags.git

commit 6bc6971bcab0e32d380915bb6f01789cc2567b8b
Author: Carsten Ziegeler <cz...@apache.org>
AuthorDate: Mon Mar 10 14:31:48 2014 +0000

    FELIX-3444 : Provide a switch to enable feature flags for the resource resolver
    
    git-svn-id: https://svn.apache.org/repos/asf/sling/trunk/bundles/extensions/feature-flags@1575951 13f79535-47bb-0310-9956-ffa450edef68
---
 .../sling/featureflags/FeatureConstants.java       | 31 +++++++++++++
 .../FeatureAuthenticationInfoPostProcessor.java    | 52 ++++++++++++++++++++++
 2 files changed, 83 insertions(+)

diff --git a/src/main/java/org/apache/sling/featureflags/FeatureConstants.java b/src/main/java/org/apache/sling/featureflags/FeatureConstants.java
new file mode 100644
index 0000000..47b1f8b
--- /dev/null
+++ b/src/main/java/org/apache/sling/featureflags/FeatureConstants.java
@@ -0,0 +1,31 @@
+/*
+ * 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.sling.featureflags;
+
+
+public abstract class FeatureConstants {
+
+    /**
+     * The name of the resource resolver attribute which is set if the
+     * feature flag support should be enabled in the resource resolver.
+     * The value of this property should be of type Boolean. The default
+     * is <code>false</code>
+     */
+    public static final String RESOLVER_ATTR_FEATURES_ENABLED = "sling.resourceresolver.feature";
+}
diff --git a/src/main/java/org/apache/sling/featureflags/impl/FeatureAuthenticationInfoPostProcessor.java b/src/main/java/org/apache/sling/featureflags/impl/FeatureAuthenticationInfoPostProcessor.java
new file mode 100644
index 0000000..ab2f30c
--- /dev/null
+++ b/src/main/java/org/apache/sling/featureflags/impl/FeatureAuthenticationInfoPostProcessor.java
@@ -0,0 +1,52 @@
+/*
+ * 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.sling.featureflags.impl;
+
+import javax.servlet.http.HttpServletRequest;
+import javax.servlet.http.HttpServletResponse;
+
+import org.apache.felix.scr.annotations.Component;
+import org.apache.felix.scr.annotations.Service;
+import org.apache.sling.api.resource.LoginException;
+import org.apache.sling.auth.core.spi.AuthenticationInfo;
+import org.apache.sling.auth.core.spi.AuthenticationInfoPostProcessor;
+import org.apache.sling.featureflags.FeatureConstants;
+
+/**
+ * This authentication info post processor enables the feature flag support
+ * in the resource resolver for GET and HEAD requests.
+ */
+@Component
+@Service(value=AuthenticationInfoPostProcessor.class)
+public class FeatureAuthenticationInfoPostProcessor implements AuthenticationInfoPostProcessor {
+
+    /**
+     * @see org.apache.sling.auth.core.spi.AuthenticationInfoPostProcessor#postProcess(org.apache.sling.auth.core.spi.AuthenticationInfo, javax.servlet.http.HttpServletRequest, javax.servlet.http.HttpServletResponse)
+     */
+    @Override
+    public void postProcess(final AuthenticationInfo info,
+            final HttpServletRequest request,
+            final HttpServletResponse response)
+    throws LoginException {
+        if ( "GET".equals(request.getMethod()) || "HEAD".equals(request.getMethod()) ) {
+            info.put(FeatureConstants.RESOLVER_ATTR_FEATURES_ENABLED, Boolean.TRUE);
+        }
+    }
+
+}

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