Java tutorial
/* * Licensed to the Apache Software Foundation (ASF) under one * or more contributor license agreements. See the NOTICE file * distributed with this work for additional information * regarding copyright ownership. The ASF licenses this file * to you under the Apache License, Version 2.0 (the * "License"); you may not use this file except in compliance * with the License. You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, * software distributed under the License is distributed on an * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY * KIND, either express or implied. See the License for the * specific language governing permissions and limitations * under the License. */ package org.apache.shiro.samples.spring.ui; import java.awt.*; import java.awt.event.ActionEvent; import java.awt.event.ActionListener; import java.awt.event.WindowAdapter; import java.awt.event.WindowEvent; import javax.swing.*; import org.springframework.beans.factory.InitializingBean; import org.springframework.core.io.ClassPathResource; import org.apache.shiro.authz.AuthorizationException; import org.apache.shiro.samples.spring.SampleManager; /** * Simple web start application that helps to demo single sign-on and * remoting authorization using Shiro. The injected <tt>SampleManager</tt> * is hosted by the Spring sample web application and remotely invoked * when the buttons in this view are clicked. * * @since 0.1 */ public class WebStartView implements ActionListener, InitializingBean { /*-------------------------------------------- | C O N S T A N T S | ============================================*/ /*-------------------------------------------- | I N S T A N C E V A R I A B L E S | ============================================*/ private SampleManager sampleManager; private JTextField valueField; private JButton saveButton; private JButton refreshButton; private JButton secureMethod1Button; private JButton secureMethod2Button; private JButton secureMethod3Button; private JFrame frame; /*-------------------------------------------- | C O N S T R U C T O R S | ============================================*/ /*-------------------------------------------- | A C C E S S O R S / M O D I F I E R S | ============================================*/ public void setSampleManager(SampleManager sampleManager) { this.sampleManager = sampleManager; } /*-------------------------------------------- | M E T H O D S | ============================================*/ public void afterPropertiesSet() throws Exception { ClassPathResource resource = new ClassPathResource("logo.png"); ImageIcon icon = new ImageIcon(resource.getURL()); JLabel logo = new JLabel(icon); valueField = new JTextField(20); updateValueLabel(); saveButton = new JButton("Save Value"); saveButton.addActionListener(this); refreshButton = new JButton("Refresh Value"); refreshButton.addActionListener(this); JPanel valuePanel = new JPanel(new FlowLayout(FlowLayout.CENTER)); valuePanel.add(valueField); valuePanel.add(saveButton); valuePanel.add(refreshButton); secureMethod1Button = new JButton("Method #1"); secureMethod1Button.addActionListener(this); secureMethod2Button = new JButton("Method #2"); secureMethod2Button.addActionListener(this); secureMethod3Button = new JButton("Method #3"); secureMethod3Button.addActionListener(this); JPanel methodPanel = new JPanel(new FlowLayout(FlowLayout.CENTER)); methodPanel.add(secureMethod1Button); methodPanel.add(secureMethod2Button); methodPanel.add(secureMethod3Button); frame = new JFrame("Apache Shiro Sample Application"); frame.setSize(500, 200); Container panel = frame.getContentPane(); panel.setLayout(new BorderLayout()); panel.add(logo, BorderLayout.NORTH); panel.add(valuePanel, BorderLayout.CENTER); panel.add(methodPanel, BorderLayout.SOUTH); frame.setVisible(true); frame.addWindowListener(new WindowAdapter() { public void windowClosing(WindowEvent e) { System.exit(0); } }); } private void updateValueLabel() { valueField.setText(sampleManager.getValue()); } public void actionPerformed(ActionEvent e) { try { if (e.getSource() == saveButton) { sampleManager.setValue(valueField.getText()); } else if (e.getSource() == refreshButton) { updateValueLabel(); } else if (e.getSource() == secureMethod1Button) { sampleManager.secureMethod1(); JOptionPane.showMessageDialog(frame, "Method #1 successfully called.", "Success", JOptionPane.INFORMATION_MESSAGE); } else if (e.getSource() == secureMethod2Button) { sampleManager.secureMethod2(); JOptionPane.showMessageDialog(frame, "Method #2 successfully called.", "Success", JOptionPane.INFORMATION_MESSAGE); } else if (e.getSource() == secureMethod3Button) { sampleManager.secureMethod3(); JOptionPane.showMessageDialog(frame, "Method #3 successfully called.", "Success", JOptionPane.INFORMATION_MESSAGE); } else { throw new RuntimeException("Unexpected action event from source: " + e.getSource()); } } catch (AuthorizationException ae) { JOptionPane.showMessageDialog(frame, "Unauthorized to perform action: " + ae.getMessage(), "Unauthorized", JOptionPane.WARNING_MESSAGE); } } }