클린코드, SetupTeardownIncluder 코드

클린코드 카테고리 미분류 지은이 로버트 C. 마틴 (케이앤피IT, 2010년) 상세보기

public class SetupTeardownIncluder {

	private PageData pageData;
	private boolean isSuite;
	private WikiPage testPage;
	private StringBuffer	newPageContent;
	private PageCrawler pageCrawler;
	
	public static String render(PageData pageData) throws Exception {
		return render(pageData, false);
	}
	
	public static String render(PageData pageData, boolean isSuite) throws Exception {
		return new SetupTeardownIncluder(pageData).render(isSuite);
	}
	
	private SetupTeardownIncluder(PageData pageData) {
		this.pageData = pageData;
		testPage = pageData.getWikiPage();
		pageCrawler = testPage.getPageCrawler();
		newPageContent = new StringBuffer();
	}
	
	private String render(boolean isSuite) throws Exception {
		this.isSuite = isSuite;
		if (isTestPage())
			includeSetupAndTeardownPages();
		return pageData.getHtml();
	}
	
	private boolean isTestPage() throws Exception {
		return pageData.hasAttribute("Test");
	}
	
	private void includeSetupAndTeardownPages() throws Exception {
		includeSetupPages();
		includePageContent();
		includeTeardownPages();
		updatePageContent();
	}
	
	private void includeSuiteSetupPage() throws Exception {
		include(SuiteResponder.SUITE_SETUP_NAME, "-setup");		
	}
	
	private void includeSetupPage() throws Exception {
		include("Setup", "-setup");		
	}
	
	private void includePageContent() throws Exception {
		newPageContent.append(pageData.getContent());
	}
	
	private void includeTeardownPages() throws Excepton {
		includeTeardownPage();
		if (isSuite)
			includeSuiteTeardownPage();
	}
	
	private void includeTeardownPage() throws Exception {
		include("TearDown", "-teardown");
	}
	
	private void includeSuiteTeardownPage() throws Exception {
		include(SuiteResponder.SUITE_TEARDOWN_NAME, "-teardown");
	}
	
	private void updatePageContent() throws Exception {
		pageData.setContent(newPageContent.toString());
	}
	
	private void include(String pageName, String arg) throws Exception {
		WikiPage inheritedPage = findInheritedPage(pageName);
		if ( inheritedPage != null ) {
			String pagePathName = getPathNameForPage(inheritedPage);
			buildIncludeDirective(pagePathName, arg);
		}
	}
	
	private WikiPage findInheritedPage(String pageName) throws Exception {
		return PageCrawlerImpl.getInheritedPage(pageName, testPage);
	}
	
	private String getPathNameForPage(WikiPage page) throws Exception {
		WikiPagePath pagePath = pageCrawler.getFullPath(page);
		return PathParser.render(pagePath);
	}
	
	private void buildIncludeDirective(String pagePathName, String arg) {
		newPageContent
			.append("\n!include ")
			.append(arg)
			.append(" .")
			.append(pagePathName)
			.append("\n");
	}
}