org.jboss.as.console.client.shared.expr.ExpressionAdapter Maven / Gradle / Ivy

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Bundles the core AS7 console as a GWT module. Includes minor customizations to support extensions.

There is a newer version: 0.7.0.Final

package org.jboss.as.console.client.shared.expr;

import com.google.gwt.autobean.shared.AutoBean;
import com.google.gwt.autobean.shared.AutoBeanUtils;

import java.util.HashMap;
import java.util.Map;

/**
 * API to read/write expression overlays on entities.
 *
 * @author Heiko Braun
 * @date 10/17/11
 */
public class ExpressionAdapter {

    private static final String EXPR_TAG = "EXPRESSIONS";

    public static Map getExpressions(Object bean)
    {
        final AutoBean autoBean = asAutoBean(bean);

        Map exprMap = (Map)autoBean.getTag(EXPR_TAG);
        if(null==exprMap)
        {
            exprMap = new HashMap();
            autoBean.setTag(EXPR_TAG, exprMap);
        }

        return exprMap;
    }

    private static AutoBean asAutoBean(Object bean) {
        final AutoBean autoBean = AutoBeanUtils.getAutoBean(bean);
        if(null==autoBean)
            throw new IllegalArgumentException("Not an auto bean: " + bean.getClass());
        return autoBean;
    }


    public static void setExpressionValue(Object entity, String javaName, String exprValue) {
        getExpressions(entity).put(javaName, exprValue);
    }

    public static String getExpressionValue(Object entity, String javaName) {
        return getExpressions(entity).get(javaName);
    }
}