Java逐行修改文件内容

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Java逐行修改文件内容

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    File _file = new File(iniPath);
	byte[] fileContext = new byte[(int) _file.length()];
	FileInputStream in = null;
	PrintWriter out = null;
	try {
	    in = new FileInputStream(_file);
	    in.read(fileContext);
	    String str = new String(fileContext,"utf-8");
	    String[] content = str.split("\r\n");
	    String newStr = new String();
	    for(String arg : content){
		if(arg.contains("Install")){
		    arg = arg.replace(arg, "InstallTime="+(int)(System.currentTimeMillis() / 1000)+"");
		}else if(arg.contains("Last")){
		    arg = arg.replace(arg, "LastLoading="+(int)(System.currentTimeMillis() / 1000)+"");
		}
		newStr += arg+"\r\n";
		Thread.sleep(100);
	    }
	    out = new PrintWriter(_file);
	    out.write(newStr);
	} catch (IOException | InterruptedException e1) {
	    return false;
	} finally{
	    try {
		out.flush();
		out.close();
		in.close();
	    } catch (IOException e) {
		return false;
	    }
	}