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package com.vaadin.demo.sampler;
/**
* A NamedExternalResource pointing to the javadoc for the given class. Knows
* where the javadocs are located for some common APIs, but one can also specify
* a javadoc baseurl. The name will be set to the class simpleName.
*
*/
public class APIResource extends NamedExternalResource {
private static final String ITMILL_BASE = "http://toolkit.itmill.com/demo/doc/api/";
private static final String JAVA_BASE = "http://java.sun.com/javase/6/docs/api/";
private static final String SERVLET_BASE = "http://java.sun.com/products/servlet/2.5/docs/servlet-2_5-mr2";
private static final String PORTLET_BASE = "http://developers.sun.com/docs/jscreator/apis/portlet";
public APIResource(Class clazz) {
this(resolveBaseUrl(clazz), clazz);
}
public APIResource(String baseUrl, Class clazz) {
super(resolveName(clazz), getJavadocUrl(baseUrl, clazz));
}
private static String getJavadocUrl(String baseUrl, Class clazz) {
if (!baseUrl.endsWith("/")) {
baseUrl += "/";
}
String path = clazz.getName().replaceAll("\\.", "/");
path = path.replaceAll("\\$", ".");
return baseUrl + path + ".html";
}
/**
* Tries to resolve the javadoc baseurl for the given class by looking at
* the packagename.
*
* @param clazz
* @return
*/
private static String resolveBaseUrl(Class clazz) {
String name = clazz.getName();
if (name.startsWith("javax.servlet.")) {
return SERVLET_BASE;
} else if (name.startsWith("javax.portlet.")) {
return PORTLET_BASE;
} else if (name.startsWith("java.") || name.startsWith("javax.")) {
return JAVA_BASE;
}
return ITMILL_BASE;
}
private static String resolveName(Class clazz) {
Class ec = clazz.getEnclosingClass();
return (ec != null ? ec.getSimpleName() + "." : "")
+ clazz.getSimpleName();
}
}
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