java file 생성

gistfile1.java

/*
	 * @Param String className;
	 * 
	 * @Param Map<String> field; java 파일을 생성하는 함수
	 */
	public static void createClass(String className, Map<String, String> fields)
			throws IOException {
		StringBuilder builder = new StringBuilder();

		String packageName;
		int idx = className.lastIndexOf('.');
		if (idx >= 0) {
			packageName = className.substring(0, idx);
			className = className.substring(idx + 1);
		} else
			packageName = null;

		if (packageName != null)
			builder.append("package ").append(packageName).append(";\n");

		builder.append("\n");

		builder.append("public class ").append(className).append("\n");

		builder.append("{\n");

		boolean flag = false;
		for (Map.Entry<String,  String> field : fields.entrySet()) {
			String type = field.getKey();
			String name = field.getValue();
			String methodedName = Character.toUpperCase(name.charAt(0))
					+ name.substring(1);

			if (flag)
				builder.append("\n");
			flag = true;
			builder.append("    private ").append(type).append(" ")
					.append(name).append(";\n");
			builder.append("\n");
			builder.append("    public ").append(type).append(" get")
					.append(methodedName).append(" ()\n");
			builder.append("    {\n");
			builder.append("        return ").append(name).append(";\n");
			builder.append("    }\n");
			builder.append("\n");
			builder.append("    public void set").append(methodedName)
					.append(" (").append(type).append(" ").append(name)
					.append(")\n");
			builder.append("    {\n");
			builder.append("        this.").append(name).append(" = ")
					.append(name).append(";\n");
			builder.append("    }\n");
		}

		builder.append("}\n");

		File dir = new File(packageName.replaceAll("\\.",
				Matcher.quoteReplacement(System.getProperty("file.separator"))));

		dir.mkdirs();

		BufferedWriter writer = new BufferedWriter(new OutputStreamWriter(
				new FileOutputStream(new File(dir, className + ".java"))));

		writer.write(builder.toString());
		writer.close();
	}