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/*
* ============LICENSE_START=======================================================
* PNF-REGISTRATION-HANDLER
* ================================================================================
* Copyright (C) 2018 Nokia. 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.onap.pnfsimulator.simulator;
import com.google.gson.Gson;
import com.google.gson.JsonObject;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.beans.factory.annotation.Value;
import java.io.IOException;
import java.nio.file.Files;
import java.nio.file.Path;
import java.nio.file.Paths;
import java.util.stream.Collectors;
import java.util.stream.Stream;
class FilesystemTemplateReader implements TemplateReader {
private final Path templatesDir;
private final Gson gson;
@Autowired
FilesystemTemplateReader(@Value("${templates.dir}") String templatesDir, Gson gson) {
this.templatesDir = Paths.get(templatesDir);
this.gson = gson;
}
public JsonObject readTemplate(String templateFileName) throws IOException {
Path absTemplateFilePath = templatesDir.resolve(templateFileName);
try (Stream<String> lines = Files.lines(absTemplateFilePath)) {
String content = lines.collect(Collectors.joining("\n"));
return gson.fromJson(content, JsonObject.class);
}
}
}
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