HelloWorldPart used in the code post for 2014-01-02-add-logging-via-dependency-injection.md

HelloWorldPart.java

package com.caritos.e4.product.parts;

import javax.annotation.PostConstruct;
import javax.inject.Inject;

import org.eclipse.e4.ui.di.Focus;
import org.eclipse.swt.SWT;
import org.eclipse.swt.widgets.Composite;
import org.eclipse.swt.widgets.Label;
import org.osgi.service.log.LogService;

public class HelloWorldPart {

    private Label label;
    
    @Inject
    private LogService log;
    
    @PostConstruct
    public void createComposite(Composite parent) {
        label = new Label(parent, SWT.NONE);
        label.setText("Hello World");
        log.log(LogService.LOG_DEBUG, "inside createComposite");
    }
    
    @Focus
    public void setFocus() {
        label.setFocus();
    }
}