org.eclipse.hudson.model.project.property.DescribableListProjectProperty.java Source code

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Here is the source code for org.eclipse.hudson.model.project.property.DescribableListProjectProperty.java

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/*******************************************************************************
 *
 * Copyright (c) 2011 Oracle Corporation.
 *
 * All rights reserved. This program and the accompanying materials
 * are made available under the terms of the Eclipse Public License v1.0
 * which accompanies this distribution, and is available at
 * http://www.eclipse.org/legal/epl-v10.html
 *
 * Contributors:
 *
 *    Nikita Levyankov
 *
 *******************************************************************************/
package org.eclipse.hudson.model.project.property;

import hudson.util.DeepEquals;
import hudson.util.DescribableList;
import java.util.List;
import org.apache.commons.collections.CollectionUtils;
import org.eclipse.hudson.api.model.ICascadingJob;

/**
 * Property represents DescribableList object.
 * <p/>
 * Date: 10/3/11
 *
 * @author Nikita Levyankov
 */
public class DescribableListProjectProperty extends BaseProjectProperty<DescribableList> {

    public DescribableListProjectProperty(ICascadingJob job) {
        super(job);
    }

    @Override
    public DescribableList getDefaultValue() {
        DescribableList result = new DescribableList(getJob());
        setOriginalValue(result, false);
        return result;
    }

    @Override
    public boolean allowOverrideValue(DescribableList cascadingValue, DescribableList candidateValue) {
        if (null == cascadingValue && null == candidateValue) {
            return false;
        }
        if (null != cascadingValue && null != candidateValue) {
            List cascadingList = cascadingValue.toList();
            List candidateList = candidateValue.toList();
            return !(CollectionUtils.isEqualCollection(cascadingList, candidateList)
                    || DeepEquals.deepEquals(cascadingList, candidateList));

        }
        return true;
    }

    @Override
    protected boolean returnOriginalValue() {
        return isOverridden() || !getOriginalValue().isEmpty();
    }

    @Override
    public DescribableList getOriginalValue() {
        DescribableList result = super.getOriginalValue();
        return null != result ? result : getDefaultValue();
    }
}