1 files changed, 96 insertions, 0 deletions
diff --git a/appc-config/appc-config-generator/provider/src/main/java/org/onap/sdnc/config/generator/transform/XSLTTransformerNode.java b/appc-config/appc-config-generator/provider/src/main/java/org/onap/sdnc/config/generator/transform/XSLTTransformerNode.java
new file mode 100644
index 000000000..682b3f2c1
--- /dev/null
+++ b/appc-config/appc-config-generator/provider/src/main/java/org/onap/sdnc/config/generator/transform/XSLTTransformerNode.java
@@ -0,0 +1,96 @@
+/*-
+ * ============LICENSE_START=======================================================
+ * ONAP : APP-C
+ * ================================================================================
+ * Copyright (C) 2017 AT&T Intellectual Property.  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.openecomp.sdnc.config.generator.transform;
+
+import java.io.File;
+import java.io.StringReader;
+import java.io.StringWriter;
+import java.nio.charset.Charset;
+import java.util.Map;
+
+import org.apache.commons.io.FileUtils;
+import org.apache.commons.lang3.StringUtils;
+import org.openecomp.sdnc.config.generator.ConfigGeneratorConstant;
+
+import com.att.eelf.configuration.EELFLogger;
+import com.att.eelf.configuration.EELFManager;
+import org.onap.ccsdk.sli.core.sli.SvcLogicContext;
+import org.onap.ccsdk.sli.core.sli.SvcLogicException;
+import org.onap.ccsdk.sli.core.sli.SvcLogicJavaPlugin;
+
+import javax.xml.transform.Transformer;
+import javax.xml.transform.TransformerConfigurationException;
+import javax.xml.transform.TransformerException;
+import javax.xml.transform.TransformerFactory;
+import javax.xml.transform.stream.StreamResult;
+import javax.xml.transform.stream.StreamSource;
+
+
+public class XSLTTransformerNode implements SvcLogicJavaPlugin {
+
+    private static final EELFLogger log = EELFManager.getInstance().getLogger(XSLTTransformerNode.class);
+
+    public void transformData(Map<String, String> inParams, SvcLogicContext ctx) throws SvcLogicException {
+        log.trace("Received convertJson2DGContext call with params : " + inParams);
+        String responsePrefix = inParams.get(ConfigGeneratorConstant.INPUT_PARAM_RESPONSE_PRIFIX);
+        try {
+            responsePrefix = StringUtils.isNotBlank(responsePrefix) ? (responsePrefix + ".") : "";
+
+            String templateData = inParams.get(ConfigGeneratorConstant.INPUT_PARAM_TEMPLATE_DATA);
+
+            if (StringUtils.isNotBlank(templateData)) {
+                String templateFile = inParams.get(ConfigGeneratorConstant.INPUT_PARAM_TEMPLATE_FILE);
+                if (StringUtils.isNotBlank(templateFile)) {
+                    templateData = FileUtils.readFileToString(new File(templateFile), Charset.defaultCharset());
+                }
+            }
+            if (StringUtils.isBlank(templateData)) {
+                throw new Exception("In-param templateFile/templateData value is missing");
+            }
+
+            String requestData = inParams.get(ConfigGeneratorConstant.INPUT_PARAM_REQUEST_DATA);
+            if (StringUtils.isBlank(requestData)) {
+                throw new Exception("In-param requestData value is missing");
+            }
+
+            String transformedData = transform(requestData, templateData);
+            log.trace("Transformed Data : "+ transformedData);
+            ctx.setAttribute(responsePrefix + ConfigGeneratorConstant.OUTPUT_PARAM_TRANSFORMED_DATA, transformedData);
+            ctx.setAttribute(responsePrefix + ConfigGeneratorConstant.OUTPUT_PARAM_STATUS, ConfigGeneratorConstant.OUTPUT_STATUS_SUCCESS);    
+        } catch (Exception e) {
+            e.printStackTrace();
+            ctx.setAttribute(responsePrefix + ConfigGeneratorConstant.OUTPUT_PARAM_STATUS,
+                    ConfigGeneratorConstant.OUTPUT_STATUS_FAILURE);
+            ctx.setAttribute(responsePrefix + ConfigGeneratorConstant.OUTPUT_PARAM_ERROR_MESSAGE, e.getMessage());
+            log.error("Failed in XSLTTransformerNode : " + e.getMessage());
+            throw new SvcLogicException(e.getMessage());
+        }
+    }
+
+    public String transform(String requestData, String templateData)
+            throws TransformerConfigurationException, TransformerException {
+        StringWriter xmlResultResource = new StringWriter();
+        Transformer xmlTransformer = TransformerFactory.newInstance().newTransformer(new StreamSource(new StringReader(templateData)));
+        xmlTransformer.transform(new StreamSource(new StringReader(requestData)), new StreamResult(xmlResultResource));
+        return xmlResultResource.getBuffer().toString();
+    }
+
+}