Java Code Examples for android.text.Html#escapeHtml()

private void setupWelcomeBanner() {
    mOverflowButton = findViewById(R.id.landing_user_icon);

    if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.LOLLIPOP) {
        mOverflowButton.setClipToOutline(true);
    }

    mOverflowButton.setOnClickListener(v -> mPopupWindow.show());

    new URLImageViewCacheLoader(
            Objects.requireNonNull(mUser.getPhotoUrl()).toString(),
            mOverflowButton).roundImage(true).execute();

    TextView welcomeLine = findViewById(R.id.landing_welcome_line);
    String format = getResources().getString(R.string.landing_welcome_line);
    format = format.replace("\n", "<br>");
    String name = Objects.requireNonNull(mUser.getDisplayName());
    name = Html.escapeHtml(name.split(" ", 2)[0]);
    String text = String.format(format, "<b>" + name + "</b>");
    Spanned spannedText;
    if (android.os.Build.VERSION.SDK_INT >= android.os.Build.VERSION_CODES.N) {
        spannedText = Html.fromHtml(text, Html.FROM_HTML_MODE_COMPACT);
    } else {
        spannedText = Html.fromHtml(text);
    }
    welcomeLine.setText(spannedText);
}
 

/**
 * Html编码
 *
 * @param input 要Html编码的字符串
 * @return Html编码后的字符串
 */
public static String htmlEncode(CharSequence input) {
    if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.JELLY_BEAN) {
        return Html.escapeHtml(input);
    } else {
        // 参照Html.escapeHtml()中代码
        StringBuilder out = new StringBuilder();
        for (int i = 0, len = input.length(); i < len; i++) {
            char c = input.charAt(i);
            if (c == '<') {
                out.append("&lt;");
            } else if (c == '>') {
                out.append("&gt;");
            } else if (c == '&') {
                out.append("&amp;");
            } else if (c >= 0xD800 && c <= 0xDFFF) {
                if (c < 0xDC00 && i + 1 < len) {
                    char d = input.charAt(i + 1);
                    if (d >= 0xDC00 && d <= 0xDFFF) {
                        i++;
                        int codepoint = 0x010000 | (int) c - 0xD800 << 10 | (int) d - 0xDC00;
                        out.append("&#").append(codepoint).append(";");
                    }
                }
            } else if (c > 0x7E || c < ' ') {
                out.append("&#").append((int) c).append(";");
            } else if (c == ' ') {
                while (i + 1 < len && input.charAt(i + 1) == ' ') {
                    out.append("&nbsp;");
                    i++;
                }
                out.append(' ');
            } else {
                out.append(c);
            }
        }
        return out.toString();
    }
}
 

/**
 * Html编码
 *
 * @param input 要Html编码的字符串
 * @return Html编码后的字符串
 */
public static String htmlEncode(String input) {
    if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.JELLY_BEAN) {
        return Html.escapeHtml(input);
    } else {
        // 参照Html.escapeHtml()中代码
        StringBuilder out = new StringBuilder();
        for (int i = 0, len = input.length(); i < len; i++) {
            char c = input.charAt(i);
            if (c == '<') {
                out.append("&lt;");
            } else if (c == '>') {
                out.append("&gt;");
            } else if (c == '&') {
                out.append("&amp;");
            } else if (c >= 0xD800 && c <= 0xDFFF) {
                if (c < 0xDC00 && i + 1 < len) {
                    char d = input.charAt(i + 1);
                    if (d >= 0xDC00 && d <= 0xDFFF) {
                        i++;
                        int codepoint = 0x010000 | (int) c - 0xD800 << 10 | (int) d - 0xDC00;
                        out.append("&#").append(codepoint).append(";");
                    }
                }
            } else if (c > 0x7E || c < ' ') {
                out.append("&#").append((int) c).append(";");
            } else if (c == ' ') {
                while (i + 1 < len && input.charAt(i + 1) == ' ') {
                    out.append("&nbsp;");
                    i++;
                }
                out.append(' ');
            } else {
                out.append(c);
            }
        }
        return out.toString();
    }
}
 

/**
 * Html编码
 *
 * @param input 要Html编码的字符串
 * @return Html编码后的字符串
 */
public static String htmlEncode(String input) {
    if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.JELLY_BEAN) {
        return Html.escapeHtml(input);
    } else {
        // 参照Html.escapeHtml()中代码
        StringBuilder out = new StringBuilder();
        for (int i = 0, len = input.length(); i < len; i++) {
            char c = input.charAt(i);
            if (c == '<') {
                out.append("&lt;");
            } else if (c == '>') {
                out.append("&gt;");
            } else if (c == '&') {
                out.append("&amp;");
            } else if (c >= 0xD800 && c <= 0xDFFF) {
                if (c < 0xDC00 && i + 1 < len) {
                    char d = input.charAt(i + 1);
                    if (d >= 0xDC00 && d <= 0xDFFF) {
                        i++;
                        int codepoint = 0x010000 | (int) c - 0xD800 << 10 | (int) d - 0xDC00;
                        out.append("&#").append(codepoint).append(";");
                    }
                }
            } else if (c > 0x7E || c < ' ') {
                out.append("&#").append((int) c).append(";");
            } else if (c == ' ') {
                while (i + 1 < len && input.charAt(i + 1) == ' ') {
                    out.append("&nbsp;");
                    i++;
                }
                out.append(' ');
            } else {
                out.append(c);
            }
        }
        return out.toString();
    }
}
 

/**
 * Html编码
 *
 * @param input 要Html编码的字符串
 * @return Html编码后的字符串
 */
public static String htmlEncode(CharSequence input) {
    if (Build.VERSION_CODES.JELLY_BEAN <= Build.VERSION.SDK_INT) {
        return Html.escapeHtml(input);
    } else {
        // 参照Html.escapeHtml()中代码
        StringBuilder out = new StringBuilder();
        for (int i = 0, len = input.length(); i < len; i++) {
            char c = input.charAt(i);
            if (c == '<') {
                out.append("&lt;");
            } else if (c == '>') {
                out.append("&gt;");
            } else if (c == '&') {
                out.append("&amp;");
            } else if (c >= 0xD800 && c <= 0xDFFF) {
                if (c < 0xDC00 && i + 1 < len) {
                    char d = input.charAt(i + 1);
                    if (d >= 0xDC00 && d <= 0xDFFF) {
                        i++;
                        int codepoint = 0x010000 | (int) c - 0xD800 << 10 | (int) d - 0xDC00;
                        out.append("&#").append(codepoint).append(";");
                    }
                }
            } else if (c > 0x7E || c < ' ') {
                out.append("&#").append((int) c).append(";");
            } else if (c == ' ') {
                while (i + 1 < len && input.charAt(i + 1) == ' ') {
                    out.append("&nbsp;");
                    i++;
                }
                out.append(' ');
            } else {
                out.append(c);
            }
        }
        return out.toString();
    }
}
 

private static String formatString(String value) {
	if (isUrl(value)) {
		value = Html.escapeHtml(value);
		value = "<a href=\"" + value + "\">" + value + "</a>";
	} else {
		value = Html.escapeHtml(value);
	}
	return "<font color=\"#006600\">\"" + value + "\"</font>";
}
 

/**
 * Turn this item into HTML text, regardless of the type of data it
 * actually contains.
 *
 * <p>The algorithm for deciding what text to return is:
 * <ul>
 * <li> If {@link #getHtmlText} is non-null, return that.
 * <li> If {@link #getText} is non-null, return that, converting to
 * valid HTML text.  If this text contains style spans,
 * {@link Html#toHtml(Spanned) Html.toHtml(Spanned)} is used to
 * convert them to HTML formatting.
 * <li> If {@link #getUri} is non-null, try to retrieve its data
 * as a text stream from its content provider.  If the provider can
 * supply text/html data, that will be preferred and returned as-is.
 * Otherwise, any text/* data will be returned and escaped to HTML.
 * If it is not a content: URI or the content provider does not supply
 * a text representation, HTML text containing a link to the URI
 * will be returned.
 * <li> If {@link #getIntent} is non-null, convert that to an intent:
 * URI and return as an HTML link.
 * <li> Otherwise, return an empty string.
 * </ul>
 *
 * @param context The caller's Context, from which its ContentResolver
 * and other things can be retrieved.
 * @return Returns the item's representation as HTML text.
 */
public String coerceToHtmlText(Context context) {
    // If the item has an explicit HTML value, simply return that.
    String htmlText = getHtmlText();
    if (htmlText != null) {
        return htmlText;
    }

    // If this Item has a plain text value, return it as HTML.
    CharSequence text = getText();
    if (text != null) {
        if (text instanceof Spanned) {
            return Html.toHtml((Spanned)text);
        }
        return Html.escapeHtml(text);
    }

    text = coerceToHtmlOrStyledText(context, false);
    return text != null ? text.toString() : null;
}
 

static String formatPre(String text, boolean quote) {
    int level = 0;
    StringBuilder sb = new StringBuilder();
    String[] lines = text.split("\\r?\\n");
    for (String line : lines) {
        // Opening quotes
        // https://tools.ietf.org/html/rfc3676#section-4.5
        if (quote) {
            int tlevel = 0;
            while (line.startsWith(">")) {
                tlevel++;
                if (tlevel > level)
                    sb.append("<blockquote>");

                line = line.substring(1); // >

                if (line.startsWith(" >"))
                    line = line.substring(1);
            }
            if (tlevel > 0)
                if (line.length() > 0 && line.charAt(0) == ' ')
                    line = line.substring(1);

            // Closing quotes
            for (int i = 0; i < level - tlevel; i++)
                sb.append("</blockquote>");
            level = tlevel;
        }

        // Tabs characters
        StringBuilder l = new StringBuilder();
        for (int j = 0; j < line.length(); j++) {
            char kar = line.charAt(j);
            if (kar == '\t') {
                l.append(' ');
                while (l.length() % TAB_SIZE != 0)
                    l.append(' ');
            } else
                l.append(kar);
        }
        line = l.toString();

        // Html characters
        // This will handle spaces / word wrapping as well
        line = Html.escapeHtml(line);

        sb.append(line);
        sb.append("<br>");
    }

    // Closing quotes
    for (int i = 0; i < level; i++)
        sb.append("</blockquote>");

    return sb.toString();
}
 

public static String a(CharSequence charsequence)
{
    return Html.escapeHtml(charsequence);
}
 

public static String escapeHtml(CharSequence html) {
    return Html.escapeHtml(html);
}
 

private static String formatObjectString(String value) {
	return "<font color=\"#004488\">\"" + Html.escapeHtml(value)
			+ "\"</font>";
}
 

public static String escapeHtml(CharSequence html) {
    return Html.escapeHtml(html);
}
 

public static String escapeHtml(CharSequence html) {
    return Html.escapeHtml(html);
}
 

public static String escapeHtml(CharSequence html) {
    return Html.escapeHtml(html);
}
 

public static String escapeHtml(CharSequence text) {
  return Html.escapeHtml(text);
}