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There is a newer version: 4.6.2
package org.zanata.rest.dto.extensions.gettext;

import java.util.ArrayList;
import java.util.List;

import javax.xml.bind.annotation.XmlElement;
import javax.xml.bind.annotation.XmlElementWrapper;
import javax.xml.bind.annotation.XmlType;

import org.codehaus.jackson.annotate.JsonTypeName;
import org.zanata.rest.dto.DTOUtil;

/**
 * Holds gettext file headers for a source document.
 *
 * @author Sean Flanigan [email protected]
 *
 */
@XmlType(name = "poHeaderExtension", propOrder = { "comment", "entries" })
@JsonTypeName(value = "po-header")
public class PoHeader implements AbstractResourceMetaExtension {

    public static final String ID = "gettext";
    public static final String VERSION = "1.0";
    private static final long serialVersionUID = 6125429465891909088L;

    private String comment;
    private List entries;

    public PoHeader() {
    }

    public PoHeader(String comment, HeaderEntry... entries) {
        this();
        setComment(comment);
        for (HeaderEntry entry : entries) {
            getEntries().add(entry);
        }
    }

    @XmlElement(name = "comment", required = true)
    public String getComment() {
        return comment;
    }

    public void setComment(String comment) {
        this.comment = comment;
    }

    @XmlElementWrapper(name = "entries", required = true)
    @XmlElement(name = "entry")
    public List getEntries() {
        if (entries == null)
            entries = new ArrayList();
        return entries;
    }

    @Override
    public String toString() {
        return DTOUtil.toXML(this);
    }

    @Override
    public int hashCode() {
        final int prime = 31;
        int result = 1;
        result = prime * result + ((comment == null) ? 0 : comment.hashCode());
        result = prime * result + ((entries == null) ? 0 : entries.hashCode());
        return result;
    }

    @Override
    public boolean equals(Object obj) {
        if (this == obj) {
            return true;
        }
        if (obj == null) {
            return false;
        }
        if (!(obj instanceof PoHeader)) {
            return false;
        }
        PoHeader other = (PoHeader) obj;
        if (comment == null) {
            if (other.comment != null) {
                return false;
            }
        } else if (!comment.equals(other.comment)) {
            return false;
        }
        if (entries == null) {
            if (other.entries != null) {
                return false;
            }
        } else if (!entries.equals(other.entries)) {
            return false;
        }
        return true;
    }

}