log controller web, log view, java

log controller web, log view, java.java

import java.io.IOException;
import java.nio.file.Files;
import java.nio.file.Paths;
import java.nio.file.StandardOpenOption;
import java.util.Map;
import org.springframework.beans.factory.annotation.Value;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RequestMethod;
import org.springframework.web.bind.annotation.ResponseBody;
import org.springframework.web.bind.annotation.RestController;
import com.google.common.collect.ImmutableMap;
import edu.usil.ldap.common.ApiResponseCodes;
import io.swagger.annotations.Api;
import io.swagger.annotations.ApiOperation;

@RestController
@RequestMapping("/v1/meta")
@Api(tags = "meta")
public class LogController {

  @Value(value = "${META_LOG_PATH}")
  private String logPath;

  @RequestMapping(method = RequestMethod.GET, path = "/log/view", produces = "text/plain")
  @ApiOperation(nickname = "log", value = "log", notes = "log")
  @ResponseBody
  public String simpleLogViewer() {
    try {
      System.out.println(logPath);
      String content = new String(Files.readAllBytes(Paths.get(logPath)), "UTF-8");
      System.out.println(content);
      return content;
    } catch (Exception e) {
      return "Is not possible to read the log file";
    }
  }

  @RequestMapping(method = RequestMethod.GET, path = "/log/truncate", produces = "application/json")
  @ApiOperation(nickname = "log", value = "log", notes = "log")
  public Map<String, Object> simpleHealth() {
    try {
      Files.write(Paths.get(logPath), new byte[0], StandardOpenOption.TRUNCATE_EXISTING);
      return ImmutableMap.<String, Object>builder().put("code", 200000).put("message", "success")
          .build();
    } catch (IOException e) {
      return ImmutableMap.<String, Object>builder()
          .put("code", ApiResponseCodes.UNCATEGORIZED_ERROR.value())
          .put("message", "File cannot be truncated").build();
    }

  }


}