Main.java Source code

Introduction

Here is the source code for Main.java

Source

//package com.java2s;
//License from project: Open Source License 

import java.awt.Component;
import java.awt.Container;

import java.util.ArrayList;

import java.util.List;

import javax.swing.JCheckBox;

import javax.swing.JComponent;

public class Main {
    public static JCheckBox getOnlyCheckBox(Container owner) {
        return (JCheckBox) getOnlyComponent(owner, JCheckBox.class);
    }

    private static JComponent getOnlyComponent(Container owner, Class<?> clazz) {
        return getOnlyComponent(owner, clazz, false);
    }

    private static JComponent getOnlyComponent(Container owner, Class<?> clazz, boolean onlyVisible) {
        List<JComponent> list = getComponents(owner, clazz, onlyVisible);
        if (list.size() != 1)
            throw new IllegalStateException(
                    "num " + (onlyVisible ? "visible " : "") + "compounds found " + list.size());
        return list.get(0);
    }

    public static List<JComponent> getComponents(Container owner, Class<?> clazz) {
        return getComponents(owner, clazz, false);
    }

    public static List<JComponent> getComponents(Container owner, Class<?> clazz, boolean onlyVisible) {
        List<JComponent> list = new ArrayList<JComponent>();
        for (Component c : owner.getComponents()) {
            if (clazz.isInstance(c) && (!onlyVisible || c.isShowing()))
                list.add((JComponent) c);
            else if (c instanceof JComponent) {
                for (JComponent b : getComponents((JComponent) c, clazz, onlyVisible))
                    list.add(b);
            }
        }
        return list;
    }
}