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Struts example source code file (ErrorMessageBuilder.java)
The Struts ErrorMessageBuilder.java source codepackage com.opensymphony.xwork2.ognl; /** * Helper class to build error messages. */ public class ErrorMessageBuilder { private StringBuilder message = new StringBuilder(); public static ErrorMessageBuilder create() { return new ErrorMessageBuilder(); } private ErrorMessageBuilder() { } public ErrorMessageBuilder errorSettingExpressionWithValue(String expr, Object value) { appenExpression(expr); if (value instanceof Object[]) { appendValueAsArray((Object[]) value, message); } else { appendValue(value); } return this; } private void appenExpression(String expr) { message.append("Error setting expression '"); message.append(expr); message.append("' with value "); } private void appendValue(Object value) { message.append("'"); message.append(value); message.append("'"); } private void appendValueAsArray(Object[] valueArray, StringBuilder msg) { msg.append("["); for (int index = 0; index < valueArray.length; index++) { appendValue(valueArray[index]); if (hasMoreElements(valueArray, index)) { msg.append(", "); } } msg.append("]"); } private boolean hasMoreElements(Object[] valueArray, int index) { return index < (valueArray.length + 1); } public String build() { return message.toString(); } } Other Struts examples (source code examples)Here is a short list of links related to this Struts ErrorMessageBuilder.java source code file: |
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