001/*
002 *  Licensed to the Apache Software Foundation (ASF) under one
003 *  or more contributor license agreements.  See the NOTICE file
004 *  distributed with this work for additional information
005 *  regarding copyright ownership.  The ASF licenses this file
006 *  to you under the Apache License, Version 2.0 (the
007 *  "License"); you may not use this file except in compliance
008 *  with the License.  You may obtain a copy of the License at
009 *
010 *        http://www.apache.org/licenses/LICENSE-2.0
011 *
012 *  Unless required by applicable law or agreed to in writing,
013 *  software distributed under the License is distributed on an
014 *  "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
015 *  KIND, either express or implied.  See the License for the
016 *  specific language governing permissions and limitations
017 *  under the License.
018 */
019
020package org.apache.isis.core.commons.debug;
021
022import java.util.List;
023
024import com.google.common.collect.Lists;
025
026public class DebugList {
027    private final List<String[]> names = Lists.newArrayList();
028    private final List<DebuggableWithTitle> debuggableList = Lists.newArrayList();
029
030    public DebugList(final String name) {
031        debuggableList.add(new DebuggableWithTitle() {
032            @Override
033            public void debugData(final DebugBuilder debug) {
034                for (String[] name : names) {
035                    debug.appendln(name[0], name[1]);
036                }
037            }
038
039            @Override
040            public String debugTitle() {
041                return name;
042            }
043        });
044    }
045
046    public void add(final String name, final Object object) {
047        final boolean b = object instanceof DebuggableWithTitle;
048        if (b) {
049            debuggableList.add((DebuggableWithTitle) object);
050        }
051        if (object != null) {
052            String[] n = new String[2];
053            n[0] = name + (b ? "*" : "");
054            n[1] = object.toString();
055            names.add(n);
056        }
057    }
058
059    public DebuggableWithTitle[] debug() {
060        return debuggableList.toArray(new DebuggableWithTitle[debuggableList.size()]);
061    }
062}