escape Html tag to create new string - Android java.lang

Android examples for java.lang:String HTML

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  4. String HTML

Description

escape Html tag to create new string

Demo Code

import android.text.Html;
import android.text.TextUtils;
import java.math.BigInteger;
import java.security.MessageDigest;
import java.security.NoSuchAlgorithmException;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.List;

public class Main{

    private static String escapeHtml(final String text) {
        if (text == null) {
            return "";
        }//from w  w w  .  jav a 2  s .  co m

        StringBuilder out = new StringBuilder();
        int length = text.length();

        for (int i = 0; i < length; i++) {
            char c = text.charAt(i);

            if (c == '<') {
                out.append("&lt;");
            } else if (c == '>') {
                out.append("&gt;");
            } else if (c == '&') {
                out.append("&amp;");
            } else if (c > 0x7E || c < ' ') {
                out.append("&#").append((int) c).append(";");
            } else if (c == ' ') {
                while (i + 1 < length && text.charAt(i + 1) == ' ') {
                    out.append("&nbsp;");
                    i++;
                }

                out.append(' ');
            } else {
                out.append(c);
            }
        }

        return out.toString();
    }

}

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