source: java/main/src/main/java/com/framsticks/util/FramsticksException.java @ 86

package com.framsticks.util;

import java.util.ArrayList;
import java.util.List;

import com.framsticks.util.lang.Delimeted;
import com.framsticks.util.lang.Pair;

@SuppressWarnings("serial")
public class FramsticksException extends RuntimeException {

        protected List<Pair<String, Object>> arguments;
        protected String message;

        public FramsticksException() {
                super("framsticks exception");
        }

        public FramsticksException msg(String message) {
                this.message = message;
                return this;
        }

        public FramsticksException cause(Throwable cause) {
                initCause(cause);
                return this;
        }

        public FramsticksException arg(String header, Object argument) {
                if (arguments == null) {
                        arguments = new ArrayList<>();
                }
                arguments.add(new Pair<String, Object>(header, argument));
                return this;
        }

        public String getMessage() {
                StringBuilder b = new StringBuilder();
                if (message != null) {
                        b.append(message);
                }
                if (arguments != null) {
                        if (message != null) {
                                b.append(" ");
                        }
                        Delimeted d = new Delimeted(", ", "");
                        d.append(arguments.iterator());

                        b.append("(").append(d.build()).append(")");
                }
                return b.toString();
        }

}