diff options
Diffstat (limited to 'appc-config/appc-config-generator/provider/src/main/java/org/onap/sdnc/config/generator/transform/XSLTTransformerNode.java')
-rw-r--r-- | appc-config/appc-config-generator/provider/src/main/java/org/onap/sdnc/config/generator/transform/XSLTTransformerNode.java | 96 |
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(); + } + +} |