Java tutorial
/* Copyright (C) 2017 NTT DATA Corporation This program is free software; you can redistribute it and/or Modify it under the terms of the GNU General Public License as published by the Free Software Foundation, version 2. This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. */ package com.clustercontrol.platform; import java.io.BufferedReader; import java.io.File; import java.io.FileNotFoundException; import java.io.FileReader; import java.io.IOException; import java.io.InputStreamReader; import org.apache.commons.logging.Log; import org.apache.commons.logging.LogFactory; import com.clustercontrol.util.CommandCreator.PlatformType; /** * ?????Windows<BR> * * @version 6.0.0 * @since 6.0.0 */ public class PlatformPertial { public static final Log log = LogFactory.getLog(PlatformPertial.class); // ?? private static final PlatformType SELF_PLATFORM_TYPE = PlatformType.WINDOWS; public static PlatformType getPlatformType() { return SELF_PLATFORM_TYPE; } public static void setupHostname() { String hostname = null; // hinemos.cfg???hostname? String etcDir = System.getProperty("hinemos.manager.etc.dir"); if (etcDir != null) { File config = new File(etcDir, "hinemos.cfg"); FileReader fr = null; BufferedReader br = null; try { fr = new FileReader(config.getAbsolutePath()); br = new BufferedReader(fr); String line; while ((line = br.readLine()) != null) { line = line.trim(); if (line.trim().startsWith("MANAGER_HOST")) { hostname = line.split("=")[1]; break; } } } catch (FileNotFoundException e) { log.warn("configuration file not found." + config.getAbsolutePath(), e); } catch (IOException e) { log.warn("configuration read error." + config.getAbsolutePath(), e); } finally { if (br != null) { try { br.close(); } catch (IOException e) { } } if (fr != null) { try { fr.close(); } catch (IOException e) { } } } } if (hostname == null || hostname.length() == 0) { Runtime runtime = Runtime.getRuntime(); Process process = null; InputStreamReader is = null; BufferedReader br = null; try { process = runtime.exec("hostname"); is = new InputStreamReader(process.getInputStream()); br = new BufferedReader(is); process.waitFor(); if (br != null) { hostname = br.readLine(); } } catch (IOException | InterruptedException e) { log.warn("command execute error.", e); } finally { if (process != null) { process.destroy(); } if (br != null) { try { br.close(); } catch (IOException e) { } } if (is != null) { try { is.close(); } catch (IOException e) { } } } } if (hostname == null) { hostname = ""; } System.setProperty("hinemos.manager.hostname", hostname); } }