BUG-6650: ep-ip/sgt, implement and wire template provider

[groupbasedpolicy.git] / sxp-integration / sxp-ise-adapter / src / main / java / org / opendaylight / groupbasedpolicy / sxp_ise_adapter / impl / util / IseReplyUtil.java

diff --git a/sxp-integration/sxp-ise-adapter/src/main/java/org/opendaylight/groupbasedpolicy/sxp_ise_adapter/impl/util/IseReplyUtil.java b/sxp-integration/sxp-ise-adapter/src/main/java/org/opendaylight/groupbasedpolicy/sxp_ise_adapter/impl/util/IseReplyUtil.java
new file mode 100644 (file)
index 0000000..13e4f52
--- /dev/null
+++ b/sxp-integration/sxp-ise-adapter/src/main/java/org/opendaylight/groupbasedpolicy/sxp_ise_adapter/impl/util/IseReplyUtil.java
@@ -0,0 +1,82 @@
+/*
+ * Copyright (c) 2016 Cisco Systems, Inc. and others.  All rights reserved.
+ *
+ * This program and the accompanying materials are made available under the
+ * terms of the Eclipse Public License v1.0 which accompanies this distribution,
+ * and is available at http://www.eclipse.org/legal/epl-v10.html
+ */
+
+package org.opendaylight.groupbasedpolicy.sxp_ise_adapter.impl.util;
+
+import com.sun.jersey.api.client.ClientResponse;
+import com.sun.jersey.api.client.WebResource;
+import java.io.StringReader;
+import java.util.Iterator;
+import javax.xml.XMLConstants;
+import javax.xml.namespace.NamespaceContext;
+import javax.xml.xpath.XPath;
+import javax.xml.xpath.XPathFactory;
+import org.xml.sax.InputSource;
+
+/**
+ * Purpose: provide common functionality upon ise reply message
+ */
+public class IseReplyUtil {
+
+    public static final String EXPRESSION_SGT_ALL_LINK_HREFS = "/ns3:searchResult/ns3:resources/ns5:resource/link/@href";
+    public static final String EXPRESSION_SGT_DETAIL = "./ns4:sgt";
+    public static final String EXPRESSION_SGT_NAME_ATTR = "./@name";
+    public static final String EXPRESSION_SGT_VALUE = "./value/text()";
+
+    private IseReplyUtil() {
+        throw new IllegalAccessError("util class - no instances supported");
+    }
+
+
+    public static String deliverResponse(final WebResource.Builder requestBuilder) {
+        return requestBuilder.get(ClientResponse.class).getEntity(String.class);
+    }
+
+    /**
+     * @return initiated xpath with ise namespace context injected
+     */
+    public static XPath setupXpath() {
+        final NamespaceContext nsContext = new NamespaceContext() {
+            public String getNamespaceURI(String prefix) {
+                final String outcome;
+                if (prefix == null) {
+                    throw new NullPointerException("Null prefix");
+                }
+
+                if ("ns5".equals(prefix)) {
+                    outcome = "ers.ise.cisco.com";
+                } else if ("ns3".equals(prefix)) {
+                    outcome = "v2.ers.ise.cisco.com";
+                } else if ("ns4".equals(prefix)) {
+                    outcome = "trustsec.ers.ise.cisco.com";
+                } else {
+                    outcome = XMLConstants.NULL_NS_URI;
+                }
+                return outcome;
+            }
+
+            // This method isn't necessary for XPath processing.
+            public String getPrefix(String uri) {
+                throw new UnsupportedOperationException();
+            }
+
+            // This method isn't necessary for XPath processing either.
+            public Iterator getPrefixes(String uri) {
+                throw new UnsupportedOperationException();
+            }
+        };
+
+        XPath xpath = XPathFactory.newInstance().newXPath();
+        xpath.setNamespaceContext(nsContext);
+        return xpath;
+    }
+
+    public static InputSource createInputSource(final String rawSgtDetail) {
+        return new InputSource(new StringReader(rawSgtDetail));
+    }
+}