📄 formatsource.jsp
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<%--
- Author: Martin Jericho
- Created: 2006-08-19
- Last Modified: 2009-04-09
- Description: Demonstration of the SourceFormatter class of the Jericho HTML Parser
--%>
<%@ page info="Jericho HTML Parser - Source Formatter" %>
<%@ page import="net.htmlparser.jericho.*" %>
<%@ page import="java.util.*" %>
<%@ page import="java.io.*" %>
<%@ page import="javax.servlet.*" %>
<%@ page import="javax.servlet.http.*" %>
<%!
private static final String[] INDENT_TYPES=new String[] {"tab","1","2","4","8"};
private static final String[] INDENT_STRINGS=new String[] {"\t"," "," "," "," "};
private static final String[] INDENT_DESCRIPTIONS=new String[] {"Tab character","1 space","2 spaces","4 spaces","8 spaces"};
private static final String DEFAULT_INDENT_STRING=INDENT_STRINGS[3];
private static final HashMap indentStringMap=initIndentStringMap();
private static String getIndentString(String indentType) {
String indentString=(String)indentStringMap.get(indentType);
return indentString!=null ? indentString : DEFAULT_INDENT_STRING;
}
private static HashMap initIndentStringMap() {
HashMap map=new HashMap();
for (int i=0; i<INDENT_TYPES.length; i++) map.put(INDENT_TYPES[i],INDENT_STRINGS[i]);
return map;
}
private static boolean isOperaClient(HttpServletRequest request) {
return request.getHeader("user-agent").indexOf("Opera")!=-1;
}
private static String getSourceTextHeight(HttpServletRequest request) {
return isOperaClient(request) ? "300px" : "100%";
}
%>
<%
Writer responseWriter=response.getWriter();
String output="";
String parserLog="";
String sourceText=request.getParameter("SourceText");
boolean initialise=sourceText==null;
String indentString;
boolean tidyTags;
boolean collapseWhiteSpace;
boolean indentAllElements;
if (initialise) {
indentString=DEFAULT_INDENT_STRING;
tidyTags=true;
collapseWhiteSpace=false;
indentAllElements=false;
} else {
indentString=getIndentString(request.getParameter("IndentType"));
tidyTags=request.getParameter("TidyTags")!=null;
collapseWhiteSpace=request.getParameter("CollapseWhiteSpace")!=null;
indentAllElements=request.getParameter("IndentAllElements")!=null;
Source source=new Source(sourceText);
Writer logWriter=new StringWriter();
source.setLogger(new WriterLogger(logWriter));
String rawOutput=source.getSourceFormatter().setIndentString(indentString).setTidyTags(tidyTags).setCollapseWhiteSpace(collapseWhiteSpace).setIndentAllElements(indentAllElements).toString();
output=CharacterReference.encode(rawOutput);
parserLog=CharacterReference.encodeWithWhiteSpaceFormatting(logWriter.toString());
}
%>
<html>
<head>
<title>Jericho HTML Parser - Source Formatter</title>
<link rel="stylesheet" type="text/css" href="../css/jericho.css" />
</head>
<body>
<form method="post">
<table style="width: 100%; height: 100%">
<tr>
<td>
<a style="float: right" title="Jericho HTML Parser Homepage" href="http://jericho.htmlparser.net/">Jericho HTML Parser</a>
<h1>Jericho HTML Parser - Source Formatter</h1>
<p>Enter HTML to format below:</p>
</td>
</tr>
<tr>
<td style="height: <%=getSourceTextHeight(request)%>; min-height: 100px; padding: 1px">
<textarea id="SourceText" name="SourceText" class="Shaded" style="height: 100%; width: 100%;"><%=output%></textarea>
</td>
</tr>
<tr>
<td>
<table cellspacing="0" style="width: 100%">
<tr>
<td>
<table cellspacing="0">
<tr>
<td class="LabelColumn">Indent String:</td>
<td>
<% for (int i=0; i<INDENT_TYPES.length; i++) { %>
<span class="HorizontalCheckboxOption"><input type="radio" class="Button" name="IndentType" value="<%=INDENT_TYPES[i]%>" <%=(indentString==INDENT_STRINGS[i]) ? "checked=\"checked\"" : "" %> /> <%=INDENT_DESCRIPTIONS[i]%></span>
<% } %>
</td>
</tr>
<tr>
<td class="LabelColumn">options:</td>
<td>
<span class="HorizontalCheckboxOption" title="tidy up each tag as described in the Tag.tidy() method"><input type="checkbox" class="Button" name="TidyTags" value="Y" <%=tidyTags ? "checked=\"checked\"" : "" %> /> Tidy tags</span>
<span class="HorizontalCheckboxOption" title="collapse the white space in the text between the tags"><input type="checkbox" class="Button" name="CollapseWhiteSpace" value="Y" <%=collapseWhiteSpace ? "checked=\"checked\"" : "" %> /> Collapse white space</span>
<span class="HorizontalCheckboxOption" title="indent all elements, including inline-level elements and those with preformatted contents"><input type="checkbox" class="Button" name="IndentAllElements" value="Y" <%=indentAllElements ? "checked=\"checked\"" : "" %> /> Indent all elements <img src="../images/warning.gif" border="0" width="16" height="15" style="vertical-align: middle" title="WARNING: using this option is likely to result in output that is no longer functionally equivalent to the source" /></span>
</td>
</tr>
</table>
</td>
<td style="text-align: right; vertical-align: bottom"><input type="submit" class="Button" value="Process"/></td>
</tr>
</table>
</td>
</tr>
<tr>
<td>
<fieldset id="ParserLogFieldset" style="margin-top: 8px; height: 106px">
<legend>Parser Log:</legend>
<div id="ParserLog" class="Shaded" style="height: 87%"><%=parserLog%></div>
</fieldset>
</td>
</tr>
</table>
</form>
</body>
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