com.enonic.cms.core.content.ContentKey.java Source code

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Here is the source code for com.enonic.cms.core.content.ContentKey.java

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/*
 * Copyright 2000-2013 Enonic AS
 * http://www.enonic.com/license
 */
package com.enonic.cms.core.content;

import java.io.Serializable;
import java.util.ArrayList;
import java.util.Collection;
import java.util.HashSet;
import java.util.List;
import java.util.Set;

import org.apache.commons.lang.builder.HashCodeBuilder;

import com.enonic.cms.core.AbstractIntegerBasedKey;
import com.enonic.cms.core.IntBasedKey;

public class ContentKey extends AbstractIntegerBasedKey implements Serializable, IntBasedKey {

    public ContentKey(String contentKey) {
        init(contentKey);
    }

    public ContentKey(int contentKey) {
        init(contentKey);
    }

    public ContentKey(Integer contentKey) {
        init(contentKey);
    }

    public boolean equals(Object o) {
        if (this == o) {
            return true;
        }
        if (o == null || getClass() != o.getClass()) {
            return false;
        }

        ContentKey contentKey = (ContentKey) o;

        return intValue == contentKey.intValue;
    }

    public int hashCode() {
        final int initialNonZeroOddNumber = 755;
        final int multiplierNonZeroOddNumber = 349;
        return new HashCodeBuilder(initialNonZeroOddNumber, multiplierNonZeroOddNumber).append(intValue)
                .toHashCode();
    }

    public boolean isInList(int[] list) {
        if (list == null || list.length == 0) {
            return false;
        }

        for (int value : list) {
            if (value == toInt()) {
                return true;
            }
        }
        return false;
    }

    public boolean isInCollection(Collection<ContentKey> collection) {
        if (collection == null || collection.size() == 0) {
            return false;
        }

        for (ContentKey value : collection) {
            if (value.equals(this)) {
                return true;
            }
        }
        return false;
    }

    public static Collection<ContentKey> convertToList(int key) {
        Collection<ContentKey> list = new ArrayList<ContentKey>(1);
        list.add(new ContentKey(key));
        return list;
    }

    public static List<ContentKey> convertToList(ContentKey... keys) {
        List<ContentKey> list = new ArrayList<ContentKey>();
        for (ContentKey key : keys) {
            list.add(key);
        }
        return list;
    }

    public static Set<ContentKey> convertToSet(ContentKey... keys) {
        Set<ContentKey> set = new HashSet<ContentKey>();
        //noinspection ManualArrayToCollectionCopy
        for (ContentKey key : keys) {
            set.add(key);
        }
        return set;
    }

    public static List<ContentKey> convertToList(int[] array) {
        if (array == null || array.length == 0) {
            return null;
        }

        List<ContentKey> list = new ArrayList<ContentKey>(array.length);
        for (int value : array) {
            list.add(new ContentKey(value));

        }
        return list;
    }

    public static List<ContentKey> convertToList(String[] contentKeysStrings) {
        List<ContentKey> contentKeys = new ArrayList<ContentKey>();

        for (String contentKeyString : contentKeysStrings) {
            contentKeys.add(new ContentKey(contentKeyString));
        }
        return contentKeys;
    }

    public static List<ContentKey> convertToList(Collection<Integer> collection) {
        if (collection == null || collection.size() == 0) {
            return null;
        }

        List<ContentKey> list = new ArrayList<ContentKey>(collection.size());
        for (int value : collection) {
            list.add(new ContentKey(value));

        }
        return list;
    }

    public static Set convertToSet(Collection<ContentKey> contentKeys) {
        Set<ContentKey> set = new HashSet<ContentKey>();
        set.addAll(contentKeys);
        return set;
    }
}