/*
 * The MIT License
 *
 * Copyright (c) 2015 Red Hat, Inc.
 *
 * Permission is hereby granted, free of charge, to any person obtaining a copy
 * of this software and associated documentation files (the "Software"), to deal
 * in the Software without restriction, including without limitation the rights
 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
 * copies of the Software, and to permit persons to whom the Software is
 * furnished to do so, subject to the following conditions:
 *
 * The above copyright notice and this permission notice shall be included in
 * all copies or substantial portions of the Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
 * THE SOFTWARE.
 */
package com.github.olivergondza.dumpling.model;

import java.io.ByteArrayOutputStream;
import java.io.PrintStream;

/**
 * Dumpling model object.
 *
 * @author ogondza
 */
public abstract class ModelObject {

    /**
     * Print object into stream.
     */
    public abstract void toString(PrintStream stream, Mode mode);

    /**
     * Default toString implementation for ModelObject.
     */
    @Override
    public String toString() {
        ByteArrayOutputStream baos = new ByteArrayOutputStream();
        toString(new PrintStream(baos), Mode.HUMAN);
        return baos.toString();
    }

    /**
     * Print output specific for given mode.
     *
     * @author ogondza
     */
    public enum Mode {
        /**
         * Well-defined output format to be consumed by other programs.
         */
        MACHINE,
        /**
         * Pretty printed output easy to read for human.
         */
        HUMAN;

        public boolean isMachine() {
            return this == MACHINE;
        }

        public boolean isHuman() {
            return this == HUMAN;
        }
    }
}

@@ -1182,16 +1182,49 @@
 model;%0A%0A
+import javax.annotation.Nonnull;%0A
 import j
@@ -1458,16 +1458,25 @@
 oString(
+@Nonnull 
 PrintStr
@@ -1486,16 +1486,25 @@
  stream,
+ @Nonnull
  Mode mo
@@ -1528,78 +1528,63 @@
   * 
-Defaul
+Print model objec
 t to
-S
+ s
 tring i
-mplementation for ModelObject.%0A     */%0A    @Override
+n specified mode.%0A     */
 %0A   
@@ -1607,16 +1607,34 @@
 oString(
+@Nonnull Mode mode
 ) %7B%0A    
@@ -1739,18 +1739,12 @@
 s), 
-M
+m
 ode
-.HUMAN
 );%0A 
@@ -1777,24 +1777,185 @@
 g();%0A    %7D%0A%0A
+    /**%0A     * Default toString implementation for ModelObject.%0A     */%0A    @Override%0A    public String toString() %7B%0A        return toString(Mode.HUMAN);%0A    %7D%0A%0A
     /**%0A    

Introduce convenience method