OpenBrowserHandler.java

package org.eclipse.iee.web.ui.handlers;

import java.io.UnsupportedEncodingException;
import java.net.MalformedURLException;
import java.net.URL;
import java.net.URLEncoder;

import org.eclipse.core.commands.ExecutionEvent;
import org.eclipse.core.commands.ExecutionException;
import org.eclipse.core.commands.IHandler;
import org.eclipse.core.commands.IHandlerListener;
import org.eclipse.core.resources.IResource;
import org.eclipse.jdt.core.ITypeRoot;
import org.eclipse.jdt.ui.JavaUI;
import org.eclipse.ui.IEditorPart;
import org.eclipse.ui.IWorkbenchPage;
import org.eclipse.ui.PartInitException;
import org.eclipse.ui.PlatformUI;
import org.eclipse.ui.browser.IWebBrowser;
import org.eclipse.ui.browser.IWorkbenchBrowserSupport;
import org.eclipse.ui.handlers.HandlerUtil;
import org.eclipse.ui.ide.ResourceUtil;

public class OpenBrowserHandler implements IHandler {

	@Override
	public void addHandlerListener(IHandlerListener handlerListener) {
	}

	@Override
	public void dispose() {
	}

	@Override
	public Object execute(ExecutionEvent event) throws ExecutionException {

		IWorkbenchPage page = HandlerUtil.getActiveWorkbenchWindow(event)
				.getActivePage();
		IEditorPart targetEditor = page.getActiveEditor();
		ITypeRoot root = JavaUI.getEditorInputTypeRoot(targetEditor.getEditorInput());
		if (root == null) {
			return null;
		}
		IResource resource = ResourceUtil.getResource(targetEditor.getEditorInput());
		String projectName = resource.getProject().getName();
		String clazz = root.findPrimaryType().getFullyQualifiedName();
		StringBuilder sb = new StringBuilder();
		sb.append("http://localhost:8080/test/doc/");
		try {
			sb.append(URLEncoder.encode(projectName, "utf-8"));
			sb.append('/');
			sb.append(URLEncoder.encode(clazz, "utf-8"));
		} catch (UnsupportedEncodingException e1) {
			e1.printStackTrace();
		}
		
		IWorkbenchBrowserSupport support = PlatformUI.getWorkbench()
				.getBrowserSupport();
		IWebBrowser browser;
		try {
			browser = support.getExternalBrowser();
			browser.openURL(new URL(sb.toString()));
		} catch (PartInitException e) {
			e.printStackTrace();
		} catch (MalformedURLException e) {
			e.printStackTrace();
		}
		
		return null;
	}

	@Override
	public boolean isEnabled() {
		return true;
	}

	@Override
	public boolean isHandled() {
		return true;
	}

	@Override
	public void removeHandlerListener(IHandlerListener handlerListener) {
	}

}