com.enonic.cms.domain.log.LogEntryKey.java Source code

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Here is the source code for com.enonic.cms.domain.log.LogEntryKey.java

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/*
 * Copyright 2000-2011 Enonic AS
 * http://www.enonic.com/license
 */
package com.enonic.cms.domain.log;

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

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

import com.enonic.cms.domain.InvalidKeyException;

public class LogEntryKey implements Serializable {

    private String key;

    public LogEntryKey(String value) {
        if (value == null) {
            throw new InvalidKeyException(value, this.getClass());
        }

        this.key = value;
    }

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

        LogEntryKey logKey = (LogEntryKey) o;

        return this.key.equals(logKey.key);
    }

    public int hashCode() {
        final int initialNonZeroOddNumber = 675;
        final int multiplierNonZeroOddNumber = 349;
        return new HashCodeBuilder(initialNonZeroOddNumber, multiplierNonZeroOddNumber).append(key).toHashCode();
    }

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

    public static Collection<LogEntryKey> convertToList(String[] array) {
        if (array == null || array.length == 0) {
            return null;
        }

        Collection<LogEntryKey> list = new ArrayList<LogEntryKey>(array.length);
        for (String value : array) {
            list.add(new LogEntryKey(value));

        }
        return list;
    }

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

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

        }
        return list;
    }

    public String toString() {
        return key;
    }

}