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64
65 package com.jcorporate.expresso.services.html;
66
67 import com.jcorporate.expresso.core.misc.ConfigManager;
68 import com.jcorporate.expresso.core.misc.StringUtil;
69 import com.jcorporate.expresso.kernel.util.FastStringBuffer;
70 import com.jcorporate.expresso.services.dbobj.Setup;
71 import org.apache.log4j.Logger;
72
73 import javax.servlet.http.HttpServletRequest  ;
74 import javax.servlet.http.HttpServletResponse ;
75 import java.io.IOException ;
76 import java.io.PrintWriter ;
77 import java.util.Enumeration ;
78
79
80
87 public class Page
88 extends HtmlElement {
89
90 private static final String thisClass = Page.class.getName() + ".";
91 private String title = ("No Title");
92 private String bgColor = null;
93 private String dbName = "default";
94 private static Logger log = Logger.getLogger(Page.class);
95
96
101 public Page()
102 throws HtmlException {
103 super();
104 }
105
106
113 public Page(String newTitle)
114 throws HtmlException {
115 super(newTitle);
116 setTitle(newTitle);
117 }
118
119
125 public synchronized void add(HtmlElement newElement)
126 throws HtmlException {
127 String myName = (thisClass + "add(HtmlElement)");
128
129 if (newElement instanceof Page) {
130 throw new HtmlException(myName + ":Can't add a Page to Page " +
131 getName());
132 }
133
134 super.add(newElement);
135 }
136
137
138 public synchronized void display(HttpServletRequest req,
139 HttpServletResponse res, String charset)
140 throws HtmlException {
141 if (StringUtil.notNull(charset).equals("")) {
142 charset = "ISO-8859-1";
143 }
144
145 res.setContentType("text/html; charset=" + charset);
146
147 try {
148 PrintWriter out = res.getWriter();
149 display(out);
150 } catch (IOException ie) {
151 throw new HtmlException(ie);
152 }
153 }
154
155
156
164 public synchronized void display(PrintWriter out, int depth)
165 throws HtmlException {
166 display(out);
167 }
168
169
179 protected synchronized void display(PrintWriter out)
180 throws HtmlException {
181 String myName = (thisClass + "display(PrintWriter)");
182
183 if (contents.size() == 0) {
184 throw new HtmlException(myName + ":Page " + getName() +
185 " has no contents");
186 }
187
188 out.println("<html>");
189 out.println("<head>");
190 out.println("<title>" + title + "</title>");
191 out.println("<META NAME=\"generator\" CONTENT=\"JCorporate's Expresso\">");
192
193 String contextPath = ConfigManager.getContextPath();
194 String cssSuffix = null;
195 try {
196 cssSuffix = Setup.getValue(dbName, "defaultCSS");
197 } catch (com.jcorporate.expresso.core.db.DBException dbe) {
198 log.warn("Unable to get setup value 'defaultCSS'. You may need to re-run DBCreate get the entry added."
199 , dbe);
200 }
201
202 FastStringBuffer styleURL = FastStringBuffer.getInstance();
203 try {
204 styleURL.append("<link rel=\"stylesheet\" type=\"text/css\" HREF=\"");
205 styleURL.append(contextPath);
206 styleURL.append("/expresso");
207 styleURL.append("/style/");
208 styleURL.append("default");
209
210 if (cssSuffix != null && cssSuffix.length() > 0) {
211 styleURL.append("-");
212 styleURL.append(cssSuffix);
213 }
214 styleURL.append(".css");
215
216 styleURL.append("\">");
217 out.println(styleURL.toString());
218 } finally {
219 styleURL.release();
220 styleURL = null;
221 }
222
223
224
251 out.println("</head>");
252 out.print("<body");
253
254 if (cSSClass != null) {
255 out.print(" class=\"" + cSSClass + "\"");
256 }
257 if (cSSID != null) {
258 out.print(" id=\"" + cSSID + "\"");
259 }
260 if (bgColor != null) {
261 out.println(" bgcolor=\"" + bgColor + "\"");
262 }
263
264 out.println(">");
265
266 HtmlElement oneElement = null;
267
268 for (Enumeration e = contents.elements(); e.hasMoreElements();) {
269 oneElement = (HtmlElement) e.nextElement();
270 oneElement.display(out, 1);
271 }
272
273 out.println("</body>");
274 out.println("</html>");
275 setDisplayed();
276 }
277
278
279 public synchronized void displayPartial(HttpServletRequest req,
280 HttpServletResponse res,
281 String charset)
282 throws HtmlException {
283 if (StringUtil.notNull(charset).equals("")) {
284 charset = "ISO-8859-1";
285 }
286
287 res.setContentType("text/html; charset=" + charset);
288
289 try {
290 PrintWriter out = res.getWriter();
291 displayPartial(out);
292 } catch (IOException ie) {
293 throw new HtmlException(ie);
294 }
295 }
296
297
308 protected synchronized void displayPartial(PrintWriter out)
309 throws HtmlException {
310 String myName = (thisClass + "display(PrintWriter)");
311
312 if (contents.size() == 0) {
313 throw new HtmlException(myName + ":Page " + getName() +
314 " has no contents");
315 }
316
317 HtmlElement oneElement = null;
318
319 for (Enumeration e = contents.elements(); e.hasMoreElements();) {
320 oneElement = (HtmlElement) e.nextElement();
321 oneElement.display(out, 0);
322 }
323
324 setDisplayed();
325 }
326
327
328
334 public synchronized void setBGColor(String newColor)
335 throws HtmlException {
336 String myName = (thisClass + "setBGColor(String)");
337
338 if (newColor == null) {
339 throw new HtmlException(myName +
340 ":Background color cannot be null");
341 }
342
343 bgColor = newColor;
344 }
345
346
347
355 public synchronized void setDBName(String newDBName) {
356 if (StringUtil.notNull(newDBName).equals("")) {
357 dbName = "default";
358 } else {
359 dbName = newDBName;
360 }
361 }
362
363
368 public synchronized void setTitle(String newTitle) {
369 if (newTitle != null) {
370 title = newTitle;
371 }
372 }
373
374
375 }
376 |
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