/*
* Copyright (C) NetStruxr, Inc. All rights reserved.
*
* This software is published under the terms of the NetStruxr
* Public Software License version 0.5, a copy of which has been
* included with this distribution in the LICENSE.NPL file. */
package er.directtoweb.components.strings;
import com.webobjects.appserver.WOContext;
import com.webobjects.directtoweb.D2WDisplayString;
import com.webobjects.eocontrol.EOEnterpriseObject;
/**
* <span class="en">
* Full blown display string with all the bells and whistles.<br />
* Of the value displayed is an EO, uses the userPresentableDescription()
*
* @d2wKey class
* @d2wKey omitTags
* @d2wKey keyWhenRelationship
* </span>
*
* <span class="ja">
* このプロパティ・レベル・コンポーネントは文字列表示を担当します。
* EO の場合には、keyWhenRelationship 又は未設定の場合には userPresentableDescription() を使用します。
*
* @d2wKey valueWhenEmpty - null 値の場合に表示する値
* @d2wKey escapeHTML - HTML をエスケープするかどうか
* @d2wKey keyWhenRelationship - EO の場合のリレーションシップ・キー
* </span>
*/
public class ERD2WDisplayString extends D2WDisplayString {
/**
* Do I need to update serialVersionUID?
* See section 5.6 <cite>Type Changes Affecting Serialization</cite> on page 51 of the
* <a href="http://java.sun.com/j2se/1.4/pdf/serial-spec.pdf">Java Object Serialization Spec</a>
*/
private static final long serialVersionUID = 1L;
public ERD2WDisplayString(WOContext context) {
super(context);
}
@Override
public Object objectPropertyValue() {
Object object = super.objectPropertyValue();
if (object instanceof EOEnterpriseObject) {
EOEnterpriseObject eo = (EOEnterpriseObject) object;
String keyWhenRelationship = keyWhenRelationship();
if (keyWhenRelationship != null || !"userPresentableDescription".equalsIgnoreCase(keyWhenRelationship)) {
Object val = eo.valueForKey(keyWhenRelationship);
if(val != null) {
return val;
}
}
return eo.userPresentableDescription();
}
return super.objectPropertyValue();
}
}