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1
6
7 package com.memoire.vainstall;
8
9 import java.io.File  ;
10 import java.io.FileOutputStream ;
11 import java.io.InputStream ;
12 import java.lang.reflect.Constructor ;
13 import java.lang.reflect.InvocationTargetException ;
14 import java.net.URL ;
15 import java.net.URLClassLoader ;
16 import java.util.Properties ;
17
18 import javax.swing.LookAndFeel ;
19 import javax.swing.UIManager ;
20 import javax.swing.UnsupportedLookAndFeelException ;
21
22
26
27 public abstract class VAStepFactory {
28 private static VAStepFactory UNIQUE_UI = null;
29
30 private AbstractInstall setup_;
31
32 private VAWizardInterface wizard_;
33
34 private static boolean testGraphicUi(String uiId) {
35 boolean res = true;
36 if (("graphic".equals(uiId)) || ("xtra".equals(uiId))) {
37 try {
38 java.awt.Toolkit.getDefaultToolkit();
39 } catch (Error ex) {
40 res = false;
41 }
42 }
43 return res;
44 }
45
46 private static boolean testTextUi(String uiId, AbstractInstall setup) {
47 boolean res = true;
48 if ("ansi".equals(uiId)) {
49 res = !(setup.IS_WIN || setup.IS_MAC);
50 }
51 return res;
52 }
53
54
55 public static void setLnf(String uiId, Properties _vaProps, Class c,
56 File tmpDir) {
57 if ('g' == uiId.charAt(0)) {
58 String lnfJar = _vaProps.getProperty("vainstall.lnf.jar", null);
59 String lnfClass = _vaProps.getProperty("vainstall.lnf.class", null);
60 if (lnfClass == null)
61 return;
62 Class clazz = null;
63 if(lnfJar!=null){
64 InputStream in = c.getResourceAsStream("resources/" + lnfJar);
65 File dest = null;
66 try {
67 dest = tmpDir != null ? File.createTempFile("lnf", ".jar",
68 tmpDir) : File.createTempFile("lnf", ".jar");
69 dest.deleteOnExit();
70 FileOutputStream out = new FileOutputStream (dest);
71 byte[] buffer = new byte[100000];
72 while (true) {
73 synchronized (buffer) {
74
75 int amountRead = in.read(buffer);
76 if (amountRead == -1) {
77 break;
78 }
79 out.write(buffer, 0, amountRead);
80 }
81 }
82 if (dest != null) {
83 URLClassLoader cl = new URLClassLoader (new URL [] { dest
84 .toURL() });
85 clazz = cl.loadClass(lnfClass);
86 UIManager.put("ClassLoader", cl);
88
89 }
90 } catch (Exception _e) {
91 if (VAGlobals.DEBUG)
92 _e.printStackTrace();
93 return;
94 }
95 }
96 else if("[SYSTEM_LNF]".equals(lnfClass)){
97 try {
98 String systemLnfClass=UIManager.getSystemLookAndFeelClassName();
99 if(systemLnfClass.equals(UIManager.getCrossPlatformLookAndFeelClassName()) &&
100 System.getProperty("os.name").indexOf("Linux")!=-1){
101 systemLnfClass="com.sun.java.swing.plaf.gtk.GTKLookAndFeel";
102 }
103 if (VAGlobals.DEBUG){
104 System.out.println("System lnf "+UIManager.getSystemLookAndFeelClassName());
105 }
106 clazz=Class.forName(systemLnfClass);
107 } catch (ClassNotFoundException _e) {
108 if (VAGlobals.DEBUG)
109 _e.printStackTrace();
110 return;
111 }
112 }
113 else{
114 try {
115 clazz=Class.forName(lnfClass);
116 } catch (ClassNotFoundException _e) {
117 if (VAGlobals.DEBUG)
118 _e.printStackTrace();
119 return;
120
121 }
122 }
123 if (clazz != null)
124 if (VAGlobals.DEBUG){
125 System.out.println("used lnf "+clazz.getName());
126 }
127 try {
128 UIManager.setLookAndFeel((LookAndFeel ) clazz.newInstance());
129 } catch (Exception _e1) {
130 if (VAGlobals.DEBUG)
131 _e1.printStackTrace();
132 }
133 }
134 }
135
136 public static VAStepFactory createUI(String uiId, AbstractInstall setup) {
137 if (UNIQUE_UI != null)
138 return UNIQUE_UI;
139 if ((uiId == null) || (uiId.length() == 0)) {
140 System.err.println("No UI specified: trying graphic UI");
141 return createUI("graphic", setup);
142 }
143 if (!testGraphicUi(uiId)) {
144 System.err
145 .println("No graphic display found. Switching to ansi mode");
146 return createUI("ansi", setup);
147 }
148 if (!testTextUi(uiId, setup)) {
149 System.err.println("Ansi not supported. Switching to text mode");
150 return createUI("text", setup);
151 }
152 String className = "com.memoire.vainstall." + uiId.charAt(0) + "ui.VA"
153 + Character.toUpperCase(uiId.charAt(0)) + uiId.substring(1)
154 + "UI";
155 try {
156 Class clazz = Class.forName(className);
157 Constructor constructor = clazz.getConstructor(null);
158 Object o = constructor.newInstance(null);
159 UNIQUE_UI = (VAStepFactory) o;
160 } catch (ClassNotFoundException cnfe) {
161 System.err.println(cnfe + ": " + className);
162 if ("graphic".equals(uiId)) {
163 return createUI("ansi", setup);
164 }
165 if ("ansi".equals(uiId)) {
166 return createUI("text", setup);
167 }
168 if ("text".equals(uiId)) {
169 setup.cancel();
170 return null;
171 } else {
172 System.err.println("trying graphic UI");
173 return createUI("graphic", setup);
174 }
175 } catch (ClassCastException cce) {
176 System.err.println(cce);
177 System.err.println("This class is not a VAStepFactory: "
178 + className);
179 setup.cancel();
180 } catch (NoSuchMethodException nsme) {
181 System.err.println(nsme);
182 System.err.println("Please implement a void constructor for "
183 + className);
184 setup.cancel();
185 } catch (SecurityException se) {
186 System.err.println(se);
187 setup.cancel();
188 } catch (InstantiationException ie) {
189 System.err.println(ie);
190 System.err.println("Please don't make this class abstract: "
191 + className);
192 setup.cancel();
193 } catch (IllegalAccessException iace) {
194 System.err.println(iace);
195 System.err.println("Please set public access to constructor for "
196 + className);
197 setup.cancel();
198 } catch (IllegalArgumentException iare) {
199 System.err.println(iare);
200 System.err.println("Please set no args to constructor for "
201 + className);
202 setup.cancel();
203 } catch (InvocationTargetException ite) {
204 System.err.println(ite);
205 System.err.println("Exception in constructor for " + className);
206 ite.getTargetException().printStackTrace();
207 setup.cancel();
208 }
209
210 if (UNIQUE_UI != null) {
211 UNIQUE_UI.setup_ = setup;
212 UNIQUE_UI.initUI();
213 }
214 return UNIQUE_UI;
215 }
216
217 public abstract void initUI();
218
219 public void activateUI() {
220 if (wizard_ == null) {
221 showError(new NullPointerException (
222 "Null wizard! Please create one or overload VAStepFactory::activateUI()"));
223 setup_.cancel();
224 }
225 wizard_.show();
226 }
227
228 public void quitUI() {
229 if (wizard_ != null) {
230 wizard_.dispose(false);
231 }
232 }
233
234 public abstract VAStep createSetupLanguageStep();
235
236 public abstract VAStep createWelcomeStep();
237
238 public abstract VAStep createLicenseStep();
239
240 public abstract VAStep createReadmeStep();
241
242 public abstract VAStep createLicenseKeyStep();
243
244 public abstract VAStep createUpgradeStep();
245
246 public abstract VAStep createDirectoryStep();
247
248 public abstract VAStep createInstallStep();
249
250 public abstract VAStep createShortcutStep();
251
252 public abstract VAStep createEndStep();
253
254 public void setActionEnabled(int actions) {
255 if (wizard_ == null) {
256 showError(new NullPointerException (
257 "Null wizard! Please create one or overload VAStepFactory::setActionEnabled()"));
258 setup_.cancel();
259 }
260 wizard_.setActionEnabled(actions);
261 }
262
263 public void showFatalError(Throwable t) {
264 t.printStackTrace();
265 }
266
267 public void showError(Throwable t) {
268 System.err.println(t);
269 }
270
271 public void uiSleep(long millis) {
272 }
273
274 protected AbstractInstall getInstaller() {
275 return setup_;
276 }
277
278 protected VAWizardInterface getWizard() {
279 return wizard_;
280 }
281
282 protected void setWizard(VAWizardInterface w) {
283 wizard_ = w;
284 }
285 }
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