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1
30 package org.apache.commons.httpclient.contrib.proxy;
31
32 import java.awt.BorderLayout  ;
33 import java.awt.Container ;
34 import java.awt.FlowLayout ;
35 import java.awt.GridLayout ;
36 import java.awt.LayoutManager ;
37 import java.awt.event.ActionEvent ;
38 import java.awt.event.ActionListener ;
39 import java.net.URL ;
40
41 import javax.swing.JApplet ;
42 import javax.swing.JButton ;
43 import javax.swing.JLabel ;
44 import javax.swing.JOptionPane ;
45 import javax.swing.JPanel ;
46 import javax.swing.JTextField ;
47 import javax.swing.SwingUtilities ;
48
49 import org.apache.commons.httpclient.ProxyHost;
50
51
58
59 public class PluginProxyTestApplet extends JApplet {
60
61
62 private JTextField urlTextField = new JTextField ();
63 private JPanel grid = null;
64 private JLabel hostLabel = null;
65 private JLabel portLabel = null;
66
67
68 public PluginProxyTestApplet() {
69
70 }
71
72 public void init() {
73 Container content = getContentPane();
74 content.setLayout(new BorderLayout ());
75
76 grid = getPanel(new GridLayout (2,3,2,2));
78 grid.add(getHeaderLabel("URL"));
79 grid.add(getHeaderLabel("Proxy Host"));
80 grid.add(getHeaderLabel("Proxy Port"));
81 grid.add(urlTextField);
82 hostLabel = getLabel("");
83 portLabel = getLabel("");
84 grid.add(hostLabel);
85 grid.add(portLabel);
86 grid.validate();
87 content.add(grid, BorderLayout.CENTER);
88
89 JPanel buttonPanel = getPanel(new FlowLayout ());
91 JButton button = new JButton ("Detect Proxy");
92 button.addActionListener(new ActionListener () {
93 public void actionPerformed(ActionEvent e) {
94 SwingUtilities.invokeLater(new Runnable () {
95 public void run() {
96 detectProxy();
97 }
98 });
99 }
100 });
101 buttonPanel.add(button);
102 content.add(buttonPanel, BorderLayout.SOUTH);
103
104 JPanel versionPanel = getPanel(new FlowLayout ());
106 String javaVersion = System.getProperty("java.runtime.version");
107 JLabel versionLabel = getLabel("Java Version: "+javaVersion);
108 versionPanel.add(versionLabel);
109 content.add(versionPanel, BorderLayout.NORTH);
110 validate();
111
112 super.setSize(400,100);
113 }
114
115 private JPanel getPanel(LayoutManager layout) {
116 JPanel result = new JPanel (layout);
117 return result;
118 }
119
120 private JLabel getHeaderLabel(String text) {
121 JLabel result = new JLabel ("<html><u><b>" + text + "</b></u></html>");
122 result.setHorizontalAlignment(JLabel.CENTER);
123 return result;
124 }
125
126 private JLabel getLabel(String text) {
127 JLabel result = new JLabel (text);
128 result.setHorizontalAlignment(JLabel.CENTER);
129 return result;
130 }
131
132 private void detectProxy() {
133 String urlString = urlTextField.getText();
134 if (urlString == null || "".equals(urlString)) {
135 JOptionPane.showMessageDialog(super.getRootPane(),
136 "URL can't be empty",
137 "Missing URL",
138 JOptionPane.ERROR_MESSAGE);
139 return;
140 }
141 if (!urlString.startsWith("http://")) {
142 urlString = "http://" + urlString;
143 }
144 try {
145 URL url = new URL (urlString);
146 ProxyHost hostInfo = PluginProxyUtil.detectProxy(url);
147 if (hostInfo != null) {
148 hostLabel.setText(hostInfo.getHostName());
149 portLabel.setText(""+hostInfo.getPort());
150 } else {
151 hostLabel.setText("none");
152 portLabel.setText("none");
153 }
154 grid.validate();
155 } catch (ProxyDetectionException e) {
156 JOptionPane.showMessageDialog(getRootPane(),
157 e.getMessage() ,
158 "Proxy Detection Failed",
159 JOptionPane.ERROR_MESSAGE);
160 e.printStackTrace();
161 } catch (Exception e) {
162 JOptionPane.showMessageDialog(getRootPane(),
163 e.getMessage() ,
164 "Unexpected Exception",
165 JOptionPane.ERROR_MESSAGE);
166 e.printStackTrace();
167 }
168 }
169
170 public String getProxyHost(String urlString) {
171 String result = urlString;
172 try {
173 URL url = new URL (urlString);
174 ProxyHost hostInfo = PluginProxyUtil.detectProxy(url);
175 if (hostInfo != null) {
176 result = hostInfo.getHostName();
177 }
178 } catch (Exception e) {
179 e.printStackTrace();
180 }
181 return result;
182 }
183
184 public int getProxyPort(String urlString) {
185 int result = 80;
186 try {
187 URL url = new URL (urlString);
188 ProxyHost hostInfo = PluginProxyUtil.detectProxy(url);
189 if (hostInfo != null) {
190 result = hostInfo.getPort();
191 }
192 } catch (Exception e) {
193 e.printStackTrace();
194 }
195 return result;
196 }
197
198 }
199 |
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