Java tutorial
/* * Copyright 2000-2014 JetBrains s.r.o. * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */ package jetbrains.buildServer.agentsDiff; import com.google.common.collect.MapDifference; import com.google.common.collect.Maps; import jetbrains.buildServer.serverSide.BuildAgentEx; import jetbrains.buildServer.serverSide.SBuild; import java.util.*; /** * @author Evgeniy.Koshkin */ public class BuildDiffCalculator { public BuildDiffBean calculateDiff(SBuild buildA, SBuild buildB) { final Map<String, String> configParamsA = buildA.getBuildOwnParameters(); final Map<String, String> configParamsB = buildB.getBuildOwnParameters(); final List<BuildAgentsDiffEntry> entries = new LinkedList<BuildAgentsDiffEntry>(); final MapDifference<String, String> mapDifference = Maps.difference(configParamsA, configParamsB); if (!mapDifference.areEqual()) { final Map<String, MapDifference.ValueDifference<String>> stringValueDifferenceMap = mapDifference .entriesDiffering(); for (String key : stringValueDifferenceMap.keySet()) { final MapDifference.ValueDifference<String> stringValueDifference = stringValueDifferenceMap .get(key); entries.add(new BuildAgentsDiffEntry(BuildAgentsDiffEntryType.PARAMETER_VALUE, key, stringValueDifference.leftValue(), stringValueDifference.rightValue())); } Map<String, String> map = mapDifference.entriesOnlyOnLeft(); for (String key : map.keySet()) { entries.add( new BuildAgentsDiffEntry(BuildAgentsDiffEntryType.PARAMETER_NAME, key, map.get(key), null)); } map = mapDifference.entriesOnlyOnRight(); for (String key : map.keySet()) { entries.add( new BuildAgentsDiffEntry(BuildAgentsDiffEntryType.PARAMETER_NAME, key, null, map.get(key))); } } Collections.sort(entries, new Comparator<BuildAgentsDiffEntry>() { public int compare(BuildAgentsDiffEntry o1, BuildAgentsDiffEntry o2) { return o1.getPropertyName().compareToIgnoreCase(o2.getPropertyName()); } }); return new BuildDiffBean(buildA, buildB, entries); } }