2 * ============LICENSE_START=======================================================
4 * ================================================================================
5 * Copyright (C) 2017 AT&T Intellectual Property. All rights reserved.
6 * ================================================================================
7 * Copyright (C) 2017 Amdocs
8 * =============================================================================
9 * Licensed under the Apache License, Version 2.0 (the "License");
10 * you may not use this file except in compliance with the License.
11 * You may obtain a copy of the License at
13 * http://www.apache.org/licenses/LICENSE-2.0
15 * Unless required by applicable law or agreed to in writing, software
16 * distributed under the License is distributed on an "AS IS" BASIS,
17 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
18 * See the License for the specific language governing permissions and
19 * limitations under the License.
21 * ECOMP is a trademark and service mark of AT&T Intellectual Property.
22 * ============LICENSE_END=========================================================
25 package org.onap.sdnc.config.generator.transform;
28 import java.io.StringReader;
29 import java.io.StringWriter;
30 import java.nio.charset.Charset;
32 import javax.xml.transform.Transformer;
33 import javax.xml.transform.TransformerConfigurationException;
34 import javax.xml.transform.TransformerException;
35 import javax.xml.transform.TransformerFactory;
36 import javax.xml.transform.stream.StreamResult;
37 import javax.xml.transform.stream.StreamSource;
38 import org.apache.commons.io.FileUtils;
39 import org.apache.commons.lang3.StringUtils;
40 import org.onap.ccsdk.sli.core.sli.SvcLogicContext;
41 import org.onap.ccsdk.sli.core.sli.SvcLogicException;
42 import org.onap.ccsdk.sli.core.sli.SvcLogicJavaPlugin;
43 import org.onap.sdnc.config.generator.ConfigGeneratorConstant;
44 import com.att.eelf.configuration.EELFLogger;
45 import com.att.eelf.configuration.EELFManager;
48 public class XSLTTransformerNode implements SvcLogicJavaPlugin {
50 private static final EELFLogger log =
51 EELFManager.getInstance().getLogger(XSLTTransformerNode.class);
53 public void transformData(Map<String, String> inParams, SvcLogicContext ctx)
54 throws SvcLogicException {
55 log.trace("Received convertJson2DGContext call with params : " + inParams);
56 String responsePrefix = inParams.get(ConfigGeneratorConstant.INPUT_PARAM_RESPONSE_PRIFIX);
58 responsePrefix = StringUtils.isNotBlank(responsePrefix) ? (responsePrefix + ".") : "";
60 String templateData = inParams.get(ConfigGeneratorConstant.INPUT_PARAM_TEMPLATE_DATA);
62 if (StringUtils.isNotBlank(templateData)) {
64 inParams.get(ConfigGeneratorConstant.INPUT_PARAM_TEMPLATE_FILE);
65 if (StringUtils.isNotBlank(templateFile)) {
66 templateData = FileUtils.readFileToString(new File(templateFile),
67 Charset.defaultCharset());
70 if (StringUtils.isBlank(templateData)) {
71 throw new Exception("In-param templateFile/templateData value is missing");
74 String requestData = inParams.get(ConfigGeneratorConstant.INPUT_PARAM_REQUEST_DATA);
75 if (StringUtils.isBlank(requestData)) {
76 throw new Exception("In-param requestData value is missing");
79 String transformedData = transform(requestData, templateData);
80 log.trace("Transformed Data : " + transformedData);
81 ctx.setAttribute(responsePrefix + ConfigGeneratorConstant.OUTPUT_PARAM_TRANSFORMED_DATA,
83 ctx.setAttribute(responsePrefix + ConfigGeneratorConstant.OUTPUT_PARAM_STATUS,
84 ConfigGeneratorConstant.OUTPUT_STATUS_SUCCESS);
85 } catch (Exception e) {
87 ctx.setAttribute(responsePrefix + ConfigGeneratorConstant.OUTPUT_PARAM_STATUS,
88 ConfigGeneratorConstant.OUTPUT_STATUS_FAILURE);
89 ctx.setAttribute(responsePrefix + ConfigGeneratorConstant.OUTPUT_PARAM_ERROR_MESSAGE,
91 log.error("Failed in XSLTTransformerNode : " + e.getMessage());
92 throw new SvcLogicException(e.getMessage());
96 public String transform(String requestData, String templateData)
97 throws TransformerConfigurationException, TransformerException {
98 StringWriter xmlResultResource = new StringWriter();
99 Transformer xmlTransformer = TransformerFactory.newInstance()
100 .newTransformer(new StreamSource(new StringReader(templateData)));
101 xmlTransformer.transform(new StreamSource(new StringReader(requestData)),
102 new StreamResult(xmlResultResource));
103 return xmlResultResource.getBuffer().toString();