This will take the pre-defined entities in XML 1.0 and convert their character representation to the appropriate entity reference, suitable for XML attributes. - Java XML

Java examples for XML:XML Attribute

  1. HOME
  2. Java
  3. XML
  4. XML Attribute

Description

This will take the pre-defined entities in XML 1.0 and convert their character representation to the appropriate entity reference, suitable for XML attributes.

Demo Code


import org.apache.log4j.Logger;
import org.w3c.dom.Document;
import org.w3c.dom.Node;
import javax.xml.parsers.DocumentBuilder;
import javax.xml.parsers.DocumentBuilderFactory;
import javax.xml.transform.*;
import javax.xml.transform.dom.DOMResult;
import javax.xml.transform.dom.DOMSource;
import javax.xml.transform.stream.StreamResult;
import javax.xml.transform.stream.StreamSource;
import java.io.*;
import java.util.HashMap;
import java.util.Iterator;
import java.util.Map;

public class Main{
    /**/*from w  ww.  j  a  va  2s  .c o m*/
     * This will take the pre-defined entities in XML 1.0 and convert their
     * character representation to the appropriate entity reference, suitable
     * for XML attributes.
     * 
     * @param text
     *            text
     * 
     * @return text with entities escaped
     */
    public static String escapeElementEntities(String text) {
        StringBuffer buffer = new StringBuffer();
        char[] block = null;
        int i;
        int last = 0;
        int size = text.length();

        for (i = 0; i < size; i++) {
            String entity = null;
            char c = text.charAt(i);

            switch (c) {
            case '<':
                entity = "&lt;";

                break;

            case '>':
                entity = "&gt;";

                break;

            case '&':
                entity = "&amp;";

                break;

            case '\t':
            case '\n':
            case '\r':

                //                    // don't encode standard whitespace characters
                //                    if (preserve) {
                //                        entity = String.valueOf(c);
                //                    }

                break;

            default:

                if ((c < 32)) {
                    entity = "&#" + (int) c + ";";
                }
                //                    if ((c < 32) || shouldEncodeChar(c)) {
                //                       entity = "&#" + (int) c + ";";
                //                    }

                break;
            }

            if (entity != null) {
                if (block == null) {
                    block = text.toCharArray();
                }

                buffer.append(block, last, i - last);
                buffer.append(entity);
                last = i + 1;
            }
        }

        if (last == 0) {
            return text;
        }

        if (last < size) {
            if (block == null) {
                block = text.toCharArray();
            }

            buffer.append(block, last, i - last);
        }

        String answer = buffer.toString();
        buffer.setLength(0);

        return answer;
    }
}

Related Tutorials