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📄 pdapage.java

📁 一个简单的java邮件系统
💻 JAVA
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/*
 * @(#)PdaPage.java
 *
 * Copyright (C) 2006 Sergey Bredikhin
 *
 * This library is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Lesser General Public
 * License as published by the Free Software Foundation; either
 * version 2.1 of the License, or (at your option) any later version.
 * 
 * This library is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 * Lesser General Public License for more details.
 * 
 * You should have received a copy of the GNU Lesser General Public
 * License along with this library; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 */

package olivax.webmail;

import java.io.Writer;
import java.util.Vector;

import oliva.common.OlivaUtils;

public class PdaPage {

	private Vector rows = new Vector(10);
	
	private PdaPane lastPane = null;
	
	private Vector lastRow = null;
	
	private String title = null;
	
	private String script = null;
	
	public PdaPage() {
	}

	public void addPane(PdaPane pane) {
		if(pane == null)
			return;		
		flushLast();
		lastPane = pane;		
	}
	
	private void flushLast() {
		if (lastPane != null) {
			if (lastRow != null) {
				lastRow.add(lastPane);
				rows.add(lastRow);
				lastRow = null;
			} else
				rows.add(lastPane);
		}
	}
	
	public void addPaneToSameRow(PdaPane pane) {
		if(pane == null)
			return;
		if(lastPane == null) {
			lastPane = pane;
			return;
		}
		if(lastRow == null) {
			lastRow = new Vector(5);
		}		
		lastRow.add(lastPane);
		lastPane = pane;
	}
	
	private String showRow(Vector row) {
		StringBuffer sb = new StringBuffer();
				
		for(int i = 0; i < row.size(); i++) {
			PdaPane pane = (PdaPane)row.get(i);
			sb.append(pane.show());
		}
		
		return sb.toString();
	}	
	
	public void show(Writer writer) throws Exception {
		flushLast();		

		StringBuffer sb = new StringBuffer();
	    sb.append("<!DOCTYPE HTML PUBLIC \"-//W3C//DTD HTML 4.01 Transitional//EN\">\r\n");
	    sb.append("<html>\r\n");
	    sb.append("<head>\r\n");
	    sb.append("<meta http-equiv=\"Content-Type\" content=\"text/html; charset=")
	    	.append(Context.clntCp).append("\">\r\n");
//	    sb.append("<meta http-equiv=\"Content-Language\" content=\"ru-RU\">\r\n");
	    sb.append("<meta HTTP-EQUIV=\"PRAGMA\" content=\"NO-CACHE\">\r\n");
	    sb.append("<title>").append(OlivaUtils.nvl(title)).append("</title>\r\n");
	    sb.append("</head>\r\n");
	    if (script != null)
			sb.append(script);
	    sb.append("<body bgcolor=\"#ffffff\" link=\"#000000\" alink=\"#000000\" vlink=\"#000000\" topmargin=\"0\" leftmargin=\"0\" bottommargin=\"0\" rightmargin=\"0\">");
	    writer.write(sb.toString());
		
		for(int i = 0; i < rows.size(); i++) {
			Object row = rows.get(i);
			if(row instanceof PdaPane)
				writer.write(((PdaPane)row).show());
			else if(row instanceof Vector)
				writer.write(showRow((Vector)row));
		}
		
		sb = new StringBuffer();
	    sb.append("</body>");
	    sb.append("</html>");
	    writer.write(sb.toString());
	}

	public void setTitle(String title) {
		this.title = title;
	}

	public void setScript(String script) {
		this.script = script;
	}
}

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