CssUtils { public String stripDoubleSpacesAndTrim(final String str) { char[] charArray = str.toCharArray(); if (str.contains(" ")) { StringBuilder builder = new StringBuilder(); for (int i = 0; i < charArray.length; i++) { char c = charArray[i]; if (c != ' ') { builder.append(c); } else { if (i + 1 < charArray.length && charArray[i + 1] != ' ') { builder.append(' '); } } } return builder.toString().trim(); } else { return String.valueOf(charArray).trim(); } } private  CssUtils(); static CssUtils getInstance(); Map<String, String> parseBoxValues(final java.lang.String box,
                                             final java.lang.String pre, final java.lang.String post); Map<String, String> parseBoxValues(final String box,
                                              final String pre, final String post, String preKey); Map<String, String> parseBorder(final String border); Map<String, String> parseBorder(final String border, final String borderKey); String stripDoubleSpacesAndTrim(final String str); String stripDoubleSpacesTrimAndToLowerCase(final String str); Map<String, String> processBackground(final String background); Map<String, String> processListStyle(final String listStyle); Map<String, String> processFont(final String font); float checkMetricStyle(final Tag t, final String style); Float checkMetricStyle(final Map<String,String> css, final String style); boolean isMetricValue(final String value); boolean isRelativeValue(final String value); boolean isNumericValue(final String value); float parseValueToPt(final String value, final float baseValue); float parseRelativeValue(final String relativeValue, final float baseValue); float parsePxInCmMmPcToPt(final String length, final String defaultMetric); float parsePxInCmMmPcToPt(final String length); int determinePositionBetweenValueAndUnit(final String string); float getLeftAndRightMargin(final Tag t, final float pageWidth); String extractUrl(final String url); float validateTextHeight(final Map<String, String> css,
			float textHeight); float calculateMarginTop(final String value, final float largestFont, final MarginMemory configuration); float calculateMarginTop(final float value, final MarginMemory configuration); String trimAndRemoveQuoutes(String s); String[] splitComplexCssStyle(String s); static final int DEFAULT_FONT_SIZE_PT; }
@Test public void replaceDoubleSpaces() { String stripDoubleSpacesAndTrim = css.stripDoubleSpacesAndTrim(string); Assert.assertTrue("double spaces [ ] detected", !(stripDoubleSpacesAndTrim.contains(" "))); }