X-Git-Url: https://code.wpia.club/?a=blobdiff_plain;ds=sidebyside;f=src%2Forg%2Fcacert%2Fgigi%2Fpages%2FPage.java;h=04f1dc67292176643ad43848cee92635be030775;hb=d690eda36eba121aa79e4f456d5f0eb481be8b86;hp=18eb2944083e858331d2fd375ddb6edd862ff450;hpb=6aa2a2b2b90e9f05386f7fe1bcc831a6a574a0f6;p=gigi.git diff --git a/src/org/cacert/gigi/pages/Page.java b/src/org/cacert/gigi/pages/Page.java index 18eb2944..04f1dc67 100644 --- a/src/org/cacert/gigi/pages/Page.java +++ b/src/org/cacert/gigi/pages/Page.java @@ -1,27 +1,107 @@ package org.cacert.gigi.pages; import java.io.IOException; +import java.io.InputStream; +import java.io.InputStreamReader; +import java.io.UnsupportedEncodingException; import javax.servlet.ServletRequest; -import javax.servlet.ServletResponse; +import javax.servlet.http.HttpServletRequest; +import javax.servlet.http.HttpServletResponse; +import org.cacert.gigi.Language; +import org.cacert.gigi.output.Template; + +/** + * This class encapsulates a sub page of Gigi. A template residing nearby this + * class with name <className>.templ will be loaded automatically. + */ public abstract class Page { private String title; + private Template defaultTemplate; public Page(String title) { this.title = title; + try { + InputStream resource = getClass().getResourceAsStream( + getClass().getSimpleName() + ".templ"); + if (resource != null) { + defaultTemplate = new Template(new InputStreamReader(resource, + "UTF-8")); + } + } catch (UnsupportedEncodingException e) { + e.printStackTrace(); + } } - public void doGet(ServletRequest req, ServletResponse resp) - throws IOException { - resp.setContentType("text/html"); + /** + * Retrives the default template (<className>.templ) which has already + * been loaded. + * + * @return the default template. + */ + public Template getDefaultTemplate() { + return defaultTemplate; + } + + /** + * This method can be overridden to execute code and do stuff before the + * default template is applied. + * + * @param req + * the request to handle. + * @param resp + * the response to write to + * @return true, iff the request is consumed and the default template should + * not be applied. + * @throws IOException + * if output goes wrong. + */ + public boolean beforeTemplate(HttpServletRequest req, + HttpServletResponse resp) throws IOException { + return false; } - public void doPost(ServletRequest req, ServletResponse resp) + /** + * This method is called to generate the content inside the default + * template. + * + * @param req + * the request to handle. + * @param resp + * the response to write to + * @throws IOException + * if output goes wrong. + */ + public abstract void doGet(HttpServletRequest req, HttpServletResponse resp) + throws IOException; + + /** + * Same as {@link #doGet(HttpServletRequest, HttpServletResponse)} but for + * POST requests. By default they are redirected to + * {@link #doGet(HttpServletRequest, HttpServletResponse)}; + * + * @param req + * the request to handle. + * @param resp + * the response to write to + * @throws IOException + * if output goes wrong. + */ + public void doPost(HttpServletRequest req, HttpServletResponse resp) throws IOException { doGet(req, resp); } + /** + * Returns true, iff this page requires login. Default is true + * + * @return iff the page needs login. + */ + public boolean needsLogin() { + return true; + } + public String getTitle() { return title; } @@ -29,4 +109,13 @@ public abstract class Page { public void setTitle(String title) { this.title = title; } + public static Language getLanguage(ServletRequest req) { + return Language.getInstance("de"); + } + + public static String translate(ServletRequest req, String string) { + Language l = getLanguage(req); + return l.getTranslation(string); + } + }