jetbrains.buildServer.agentsDiff.BuildAgentsDiffCalculator.java Source code

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Here is the source code for jetbrains.buildServer.agentsDiff.BuildAgentsDiffCalculator.java

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/*
 * 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 java.util.*;

/**
 * @author Evgeniy.Koshkin
 */
public class BuildAgentsDiffCalculator {
    public BuildAgentsDiffBean calculateDiff(BuildAgentEx agentA, BuildAgentEx agentB) {
        final Map<String, String> configParamsA = agentA.getAvailableParameters();
        final Map<String, String> configParamsB = agentB.getAvailableParameters();

        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 BuildAgentsDiffBean(agentA, agentB, entries);
    }
}