diff options
Diffstat (limited to 'appc-config/appc-config-generator/provider/src/main/java/org/openecomp/sdnc/config/generator/tool/MergeTool.java')
-rw-r--r-- | appc-config/appc-config-generator/provider/src/main/java/org/openecomp/sdnc/config/generator/tool/MergeTool.java | 109 |
1 files changed, 109 insertions, 0 deletions
diff --git a/appc-config/appc-config-generator/provider/src/main/java/org/openecomp/sdnc/config/generator/tool/MergeTool.java b/appc-config/appc-config-generator/provider/src/main/java/org/openecomp/sdnc/config/generator/tool/MergeTool.java new file mode 100644 index 000000000..0958deebb --- /dev/null +++ b/appc-config/appc-config-generator/provider/src/main/java/org/openecomp/sdnc/config/generator/tool/MergeTool.java @@ -0,0 +1,109 @@ +/*- + * ============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.tool; + +import java.io.IOException; +import java.io.StringWriter; +import java.util.Iterator; +import java.util.Map; + +import org.apache.commons.lang3.StringUtils; +import org.apache.velocity.Template; +import org.apache.velocity.VelocityContext; +import org.apache.velocity.app.Velocity; +import org.apache.velocity.app.VelocityEngine; +import org.apache.velocity.runtime.RuntimeConstants; +import org.apache.velocity.runtime.resource.loader.StringResourceLoader; +import org.apache.velocity.runtime.resource.util.StringResourceRepository; +import org.openecomp.sdnc.config.generator.ConfigGeneratorConstant; + +import com.att.eelf.configuration.EELFLogger; +import com.att.eelf.configuration.EELFManager; +import com.fasterxml.jackson.core.JsonParseException; +import com.fasterxml.jackson.databind.JsonMappingException; +import com.fasterxml.jackson.databind.JsonNode; +import com.fasterxml.jackson.databind.ObjectMapper; + + +public class MergeTool { + + private static final EELFLogger log = EELFManager.getInstance().getLogger(MergeTool.class); + + public static String mergeMap2TemplateData(String template, Map< String, String> dataMap ){ + log.info("MergeMap2TemplateData Template :"+ template + " Maps :"+ dataMap); + StringWriter writer = new StringWriter(); + VelocityEngine ve = new VelocityEngine(); + ve.setProperty(RuntimeConstants.RESOURCE_LOADER, "string"); + ve.addProperty("string.resource.loader.class", StringResourceLoader.class.getName()); + ve.addProperty("string.resource.loader.repository.static", "false"); + ve.init(); + + StringResourceRepository repo = (StringResourceRepository)ve.getApplicationAttribute(StringResourceLoader.REPOSITORY_NAME_DEFAULT); + repo.putStringResource("TemplateResource", template); + + Template t = ve.getTemplate("TemplateResource"); + VelocityContext context = new VelocityContext(); + Iterator<Map.Entry<String, String>> entries = dataMap.entrySet().iterator(); + while (entries.hasNext()) { + Map.Entry<String, String> entry = entries.next(); + context.put(entry.getKey(), entry.getValue()); + } + t.merge(context, writer); + return writer.toString(); + } + + + public static String mergeJson2TemplateData(String template, String jsonData, String templateType, String doPrettyOutput) throws JsonParseException, JsonMappingException, IOException{ + String mergedData = template; + if( StringUtils.isNotBlank(template) && StringUtils.isNotBlank(jsonData)){ + Velocity.init(); + + ObjectMapper mapper = new ObjectMapper(); + CustomJsonNodeFactory f = new CustomJsonNodeFactory(); + mapper.setNodeFactory(f); + + JsonNode jsonObj = mapper.readValue(jsonData, JsonNode.class); + + VelocityContext context = new VelocityContext(); + Iterator<String> ii = jsonObj.fieldNames(); + while (ii.hasNext()) { + String key = ii.next(); + context.put(key, jsonObj.get(key)); + } + + StringWriter writer = new StringWriter(); + Velocity.evaluate(context, writer, "TemplateData", template); + writer.flush(); + mergedData = writer.toString(); + + if(StringUtils.isNotBlank(templateType) && StringUtils.isNotBlank(doPrettyOutput) + && ConfigGeneratorConstant.Y.equalsIgnoreCase(doPrettyOutput) + && ( ConfigGeneratorConstant.DATA_TYPE_JSON.equalsIgnoreCase(templateType) + || ConfigGeneratorConstant.DATA_TYPE_XML.equalsIgnoreCase(templateType)) ){ + // Perform Prettying + + } + } + return mergedData; + + } + +} |