org.cyclades.engine.validator.ValidationFaultElement Maven / Gradle / Ivy

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package org.cyclades.engine.validator;

import java.util.List;

public class ValidationFaultElement {
    public ValidationFaultElement (Throwable t) {
        message = t.toString();
    }

    public ValidationFaultElement (String message) {
        this.message = message;
    }

    @Override
    public String toString () {
        return message;
    }

    /**
     * Convenience method to create a String from a List
     * One can effectively do a "join" on a List of ValidationFaultElements by calling this method and
     * passing the result to a new ValidationFaultElement, i.e.:
     *
     * new ValidationFaultElement(ValidationFaultElement.toString("my_prefix", validationFaultElements));
     *
     * @param prefix    A prefix to add to the output String. No prefix will be added if this is null.
     * @param v         The List of ValidationFaultElements to combine
     * @return String explanation of the fault
     */
    public static String toString (String prefix, List v) {
        StringBuilder sb = new StringBuilder();
        if (prefix != null) {
            sb.append(prefix).append(" > ");
        }
        sb.append("[");
        for (int i = 0; i < v.size(); i++) {
            sb.append("\"").append(v.get(i).toString()).append("\"");
            sb.append((i < v.size() - 1) ? "," : "");
        }
        sb.append("]");
        return sb.toString();
    }

    private String message;
}