1 files changed, 79 insertions, 0 deletions
diff --git a/datafile-app-server/src/main/java/org/onap/dcaegen2/collectors/datafile/web/PublishRedirectStrategy.java b/datafile-app-server/src/main/java/org/onap/dcaegen2/collectors/datafile/web/PublishRedirectStrategy.java
new file mode 100644
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--- /dev/null
+++ b/datafile-app-server/src/main/java/org/onap/dcaegen2/collectors/datafile/web/PublishRedirectStrategy.java
@@ -0,0 +1,79 @@
+/*
+ * ============LICENSE_START======================================================================
+ * Copyright (C) 2018 NOKIA Intellectual Property, 2018 Nordix Foundation. All rights reserved.
+ * ===============================================================================================
+ * 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.
+ * ============LICENSE_END========================================================================
+ */
+
+package org.onap.dcaegen2.collectors.datafile.web;
+
+import java.net.URI;
+import org.apache.http.HttpRequest;
+import org.apache.http.HttpResponse;
+import org.apache.http.ProtocolException;
+import org.apache.http.annotation.Contract;
+import org.apache.http.annotation.ThreadingBehavior;
+import org.apache.http.client.methods.HttpDelete;
+import org.apache.http.client.methods.HttpGet;
+import org.apache.http.client.methods.HttpHead;
+import org.apache.http.client.methods.HttpPost;
+import org.apache.http.client.methods.HttpPut;
+import org.apache.http.client.methods.HttpUriRequest;
+import org.apache.http.client.methods.RequestBuilder;
+import org.apache.http.impl.client.DefaultRedirectStrategy;
+import org.apache.http.protocol.HttpContext;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+/**
+ * PublishRedirectStrategy implementation
+ * that automatically redirects all HEAD, GET, POST, PUT, and DELETE requests.
+ * This strategy relaxes restrictions on automatic redirection of
+ * POST methods imposed by the HTTP specification.
+ *
+ */
+@Contract(threading = ThreadingBehavior.IMMUTABLE)
+public class PublishRedirectStrategy extends DefaultRedirectStrategy {
+
+    public static final PublishRedirectStrategy INSTANCE = new PublishRedirectStrategy();
+    private final Logger logger = LoggerFactory.getLogger(this.getClass());
+
+    /**
+     * Redirectable methods.
+     */
+    private static final String[] REDIRECT_METHODS = new String[] { //
+        HttpPut.METHOD_NAME, //
+        HttpGet.METHOD_NAME, //
+        HttpPost.METHOD_NAME, //
+        HttpHead.METHOD_NAME, //
+        HttpDelete.METHOD_NAME //
+    };
+
+    @Override
+    protected boolean isRedirectable(final String method) {
+        for (final String m : REDIRECT_METHODS) {
+            if (m.equalsIgnoreCase(method)) {
+                return true;
+            }
+        }
+        return false;
+    }
+
+    @Override
+    public HttpUriRequest getRedirect(final HttpRequest request, final HttpResponse response, final HttpContext context)
+        throws ProtocolException {
+        final URI uri = getLocationURI(request, response, context);
+        logger.trace("getRedirect...: {}", request);
+        return RequestBuilder.copy(request).setUri(uri).build();
+    }
+
+}