Re: [Htmlparser-user] HTML parser for HTML translation

[Aminudin K. <ami...@mi...>]

Hi, thank you for giving a sample program.

I've tried to compiled  the program but JAVAC couldn't find HTMLVisitor 
class . There are some other errors too. Below are the codes and errors .



*Errors :
StringTranslatingVisitor.java:1: cannot resolve symbol
symbol  : class visitors
location: package htmlparser
import org.htmlparser.visitors;
                      ^
StringTranslatingVisitor.java:9: cannot resolve symbol
symbol  : class HTMLVisitor
location: class StringTranslatingVisitor
public class StringTranslatingVisitor extends HTMLVisitor{
                                              ^
StringTranslatingVisitor.java:39: cannot resolve symbol
symbol  : method visitAllNodesWith (StringTranslatingVisitor)
location: class org.htmlparser.HTMLParser
        parser.visitAllNodesWith(visitor);
              ^
StringTranslatingVisitor.java:40: cannot resolve symbol
symbol  : method getHTML ()
location: class StringTranslatingVisitor
        System.out.println(visitor.getHTML());
*



import org.htmlparser.HTMLParser;
import org.htmlparser.HTMLRemarkNode;
import org.htmlparser.HTMLStringNode;
import org.htmlparser.tags.HTMLEndTag;
import org.htmlparser.tags.HTMLTag;


public class StringTranslatingVisitor extends HTMLVisitor{
    StringBuffer htmlData = new StringBuffer();
   
    public void visitStringNode(HTMLStringNode stringNode) {
    String yourStuff="TextToBeTranslated";
    // Perform modifications here.
    // finally, add to htmlData
    htmlData.append(yourStuff);
    }
   
    public void visitEndTag(HTMLEndTag endTag) {
    htmlData.append(endTag.toHTML());
    }

    public void visitTag(HTMLTag tag) {
    htmlData.append(tag.toHTML());
    }

    public String getHtml() {
    return htmlData.toString();
    }
   
    public void visitRemarkNode(HTMLRemarkNode remarkNode) {
    htmlData.append(remarkNode.toHTML());
    }

    public static void main(String args[]){
    HTMLParser parser = new HTMLParser("http://www.yahoo.com");
    parser.registerScanners();
    StringTranslatingVisitor visitor = new StringTranslatingVisitor();
    parser.visitAllNodesWith(visitor);
    System.out.println(visitor.getHTML());
   
   
    }
}



Somik Raha wrote:

>>What I want to do is to parse HTML code and 
>>translate the content and 
>>the put the translated text/content  back into the
>>original HTML structure.
>>
>>Does this HTML parser suitable of doing this kind of
>>task ?
>>    
>>
>
>By translating content, I guess you mean translation
>of meaningful text data (not tags). That is easily
>possible. You can look at the StringExtractor example
>(org.htmlparser.parserapplications) or the
>StringFindingVisitor (org.htmlparser.visitors).
>
>The simplest approach is to write your own visitor -
>StringTranslatingVisitor, that runs through the entire
>html, and wherever it finds strings, these are
>translated as per your wishes.
>
>Here is a sample program :
>import org.htmlparser.HTMLRemarkNode;
>import org.htmlparser.HTMLStringNode;
>import org.htmlparser.tags.HTMLEndTag;
>import org.htmlparser.tags.HTMLTag;
>
>public class StringTranslatingVisitor extends
>HTMLVisitor {
>	StringBuffer htmlData = new StringBuffer();
>	
>	public void visitStringNode(HTMLStringNode
>stringNode) {
>		String yourStuff="";
>		// Perform modifications here.
>		// finally, add to htmlData
>		htmlData.append(yourStuff);
>	}
>	
>	public void visitEndTag(HTMLEndTag endTag) {
>		htmlData.append(endTag.toHTML());
>	}
>
>	public void visitTag(HTMLTag tag) {
>		htmlData.append(tag.toHTML());
>	}
>
>	public String getHtml() {
>		return htmlData.toString();
>	}
>	public void visitRemarkNode(HTMLRemarkNode
>remarkNode) {
>		htmlData.append(remarkNode.toHTML());
>	}
>
>}
>
>To use this, create your parser -
>HTMLParser parser = new
>HTMLParser("http://someurl.com");
>parser.registerScanners();
>StringTranslatingVisitor visitor = 
>   new StringTranslatingVisitor();
>parser.visitAllNodesWith(visitor);
>System.out.println(visitor.getHTML());
>
>Regards,
>Somik
>
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