attributetypeinfo.java

电子地图服务器,搭建自己的地图服务

/* Copyright (c) 2001 - 2007 TOPP - www.openplans.org.  All rights reserved.
 * This code is licensed under the GPL 2.0 license, availible at the root
 * application directory.
 */

/* Copyright (c) 2001 - 2007 TOPP - www.openplans.org.  All rights reserved.
 * This code is licensed under the GPL 2.0 license, availible at the root
 * application directory.
 */
package org.vfny.geoserver.global;

import org.geotools.feature.AttributeType;
import org.vfny.geoserver.global.dto.AttributeTypeInfoDTO;
import java.util.HashMap;
import java.util.Map;


/**
 * AttributeTypeInfo represents AttributeTypeMetaData for GeoServer.
 *
 * <p>
 * Holds information about AttributeType such as min/max occurs.
 * </p>
 *
 * @author jgarnett, Refractions Research, Inc.
 * @author $Author: jive $ (last modification)
 * @version $Id: AttributeTypeInfo.java 6326 2007-03-15 18:36:40Z jdeolive $
 */
public class AttributeTypeInfo {
    private String name;
    private int minOccurs;
    private int maxOccurs;
    private boolean nillable;
    private String typeName;
    private boolean isComplex;

    /** Readl GeoTools2 AttributeType */
    private AttributeType type;
    private Map meta;

    public AttributeTypeInfo(AttributeTypeInfoDTO dto) {
        type = null;
        meta = new HashMap();
        name = dto.getName();
        minOccurs = dto.getMinOccurs();
        maxOccurs = dto.getMaxOccurs();
        nillable = dto.isNillable();
        isComplex = dto.isComplex();
        typeName = dto.getType();
    }

    public AttributeTypeInfo(AttributeType type) {
        this.type = type;
        meta = new HashMap();
    }

    public String getName() {
        return name;
    }

    /**
     * DOCUMENT ME!
     *
     * @return
     *
     * @see org.geotools.data.AttributeTypeMetaData#getAttributeType()
     */
    public AttributeType getAttributeType() {
        return type;
    }

    /**
     * Allows AttributeType to be lazy about syncing with Schema
     *
     * @param type DOCUMENT ME!
     */
    public void sync(AttributeType type) {
        this.type = type;
    }

    /**
     * Access AttributeName
     *
     * @return
     *
     * @see org.geotools.data.AttributeTypeMetaData#getAttributeName()
     */
    public String getAttributeName() {
        String r = typeName;

        if ((r == null) && (type != null)) {
            r = type.getName();
        }

        return r;
    }

    /**
     * Element type, a well-known gml or xs type or <code>TYPE_FRAGMENT</code>.
     *
     * <p>
     * If getType is equals to <code>TYPE_FRAGMENT</code> please consult
     * getFragment() to examine the actual user's definition.
     * </p>
     *
     * <p>
     * Other than that getType should be one of the constants defined by
     * GMLUtils.
     * </p>
     *
     * @return The element, or <code>TYPE_FRAGMENT</code>
     */
    public String getType() {
        if (isComplex) {
            return "(xml fragment)";
        } else {
            return typeName;
        }
    }

    /**
     * XML Fragment used to define stuff.
     *
     * <p>
     * This property is only used with getType() is equals to "(xml fragment)".
     * </p>
     *
     * <p>
     * baseGMLTypes can only be used in your XML fragment.
     * </p>
     *
     * @param fragment The fragment to set.
     */
    public String getFragment() {
        if (isComplex) {
            return typeName;
        } else {
            return null;
        }
    }

    /**
     * Implement containsMetaData.
     *
     * @param key
     *
     * @return
     *
     * @see org.geotools.data.MetaData#containsMetaData(java.lang.String)
     */
    public boolean containsMetaData(String key) {
        return meta.containsKey(key);
    }

    /**
     * Implement putMetaData.
     *
     * @param key
     * @param value
     *
     * @see org.geotools.data.MetaData#putMetaData(java.lang.String,
     *      java.lang.Object)
     */
    public void putMetaData(String key, Object value) {
        meta.put(key, value);
    }

    /**
     * Implement getMetaData.
     *
     * @param key
     *
     * @return
     *
     * @see org.geotools.data.MetaData#getMetaData(java.lang.String)
     */
    public Object getMetaData(String key) {
        return meta.get(key);
    }

    Object toDTO() {
        AttributeTypeInfoDTO dto = new AttributeTypeInfoDTO();
        dto.setComplex(isComplex);
        dto.setMaxOccurs(maxOccurs);
        dto.setMinOccurs(minOccurs);
        dto.setName(name);
        dto.setNillable(nillable);
        dto.setType(typeName);

        return dto;
    }

    /**
     * Access maxOccurs property.
     *
     * @return Returns the maxOccurs.
     */
    public int getMaxOccurs() {
        return maxOccurs;
    }

    /**
     * Access minOccurs property.
     *
     * @return Returns the minOccurs.
     */
    public int getMinOccurs() {
        return minOccurs;
    }

    /**
     * Access nillable property.
     *
     * @return Returns the nillable.
     */
    public boolean isNillable() {
        return nillable;
    }

    public String toString() {
        return "[AttributeTypeInfo backed by " + toDTO() + " with type " + type + " and meta "
        + meta;
    }
}