// @RubyLevelMethod(name="swapcase!") public RubyValue swapcaseBang() { int length = this.sb_.length(); if (length == 0) { return RubyConstant.QNIL; } char[] ca = new char[length]; this.sb_.getChars(0, length, ca, 0); boolean modify = false; for (int i = 0; i < length; i++) { char c = ca[i]; if (Character.isUpperCase(c)) { ca[i] = Character.toLowerCase(c); modify = true; } else if (Character.isLowerCase(c)) { ca[i] = Character.toUpperCase(c); modify = true; } } this.sb_.delete(0, ca.length).append(ca); if (modify) return this; return RubyConstant.QNIL; // return modify ? this : RubyConstant.QNIL; }
// @RubyLevelMethod(name="capitalize") public RubyString capitalize() { int length = this.sb_.length(); if (length == 0) { return ObjectFactory.createString(); } char[] ca = new char[length]; this.sb_.getChars(0, length, ca, 0); ca[0] = Character.toUpperCase(ca[0]); for (int i = 1; i < length; i++) { ca[i] = Character.toLowerCase(ca[i]); } return ObjectFactory.createString(new StringBuffer().append(ca)); }
// @RubyLevelMethod(name="swapcase") public RubyString swapcase() { int length = this.sb_.length(); if (length == 0) { return ObjectFactory.createString(); } char[] ca = new char[length]; this.sb_.getChars(0, length, ca, 0); for (int i = 0; i < length; i++) { char c = ca[i]; if (Character.isUpperCase(c)) { ca[i] = Character.toLowerCase(c); } else if (Character.isLowerCase(c)) { ca[i] = Character.toUpperCase(c); } } return ObjectFactory.createString(new StringBuffer().append(ca)); }