2 * ============LICENSE_START=======================================================
4 * ================================================================================
5 * Copyright (C) 2017-2018 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 * ============LICENSE_END=========================================================
24 package org.onap.sdnc.config.generator.transform;
26 import com.att.eelf.configuration.EELFLogger;
27 import com.att.eelf.configuration.EELFManager;
29 import java.io.StringReader;
30 import java.io.StringWriter;
31 import java.nio.charset.Charset;
33 import javax.xml.transform.Transformer;
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 org.onap.sdnc.config.generator.merge.ParameterMissingException;
46 public class XSLTTransformerNode implements SvcLogicJavaPlugin {
48 private static final EELFLogger log =
49 EELFManager.getInstance().getLogger(XSLTTransformerNode.class);
51 public void transformData(Map<String, String> inParams, SvcLogicContext ctx)
52 throws SvcLogicException {
53 log.trace("Received convertJson2DGContext call with params : " + inParams);
54 String responsePrefix = inParams.get(ConfigGeneratorConstant.INPUT_PARAM_RESPONSE_PRIFIX);
56 responsePrefix = StringUtils.isNotBlank(responsePrefix) ? (responsePrefix + ".") : "";
58 String templateData = inParams.get(ConfigGeneratorConstant.INPUT_PARAM_TEMPLATE_DATA);
60 if (StringUtils.isNotBlank(templateData)) {
62 inParams.get(ConfigGeneratorConstant.INPUT_PARAM_TEMPLATE_FILE);
63 if (StringUtils.isNotBlank(templateFile)) {
64 templateData = FileUtils.readFileToString(new File(templateFile),
65 Charset.defaultCharset());
68 if (StringUtils.isBlank(templateData)) {
69 throw new ParameterMissingException("In-param templateFile/templateData value is missing");
72 String requestData = inParams.get(ConfigGeneratorConstant.INPUT_PARAM_REQUEST_DATA);
73 if (StringUtils.isBlank(requestData)) {
74 throw new ParameterMissingException("In-param requestData value is missing");
77 String transformedData = transform(requestData, templateData);
78 log.trace("Transformed Data : " + transformedData);
79 ctx.setAttribute(responsePrefix + ConfigGeneratorConstant.OUTPUT_PARAM_TRANSFORMED_DATA,
81 ctx.setAttribute(responsePrefix + ConfigGeneratorConstant.OUTPUT_PARAM_STATUS,
82 ConfigGeneratorConstant.OUTPUT_STATUS_SUCCESS);
83 } catch (Exception e) {
84 ctx.setAttribute(responsePrefix + ConfigGeneratorConstant.OUTPUT_PARAM_STATUS,
85 ConfigGeneratorConstant.OUTPUT_STATUS_FAILURE);
86 ctx.setAttribute(responsePrefix + ConfigGeneratorConstant.OUTPUT_PARAM_ERROR_MESSAGE,
88 log.error("Failed in XSLTTransformerNode", e);
89 throw new SvcLogicException(e.getMessage());
93 private String transform(String requestData, String templateData) throws TransformerException {
94 StringWriter xmlResultResource = new StringWriter();
96 Transformer xmlTransformer = TransformerFactory
98 .newTransformer(new StreamSource(new StringReader(templateData)));
101 .transform(new StreamSource(new StringReader(requestData)), new StreamResult(xmlResultResource));
103 return xmlResultResource.getBuffer().toString();