com.adobe.granite.ui.components.ExpressionResolver Maven / Gradle / Ivy

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package com.adobe.granite.ui.components;

import java.util.Locale;

import javax.servlet.jsp.PageContext;

import org.apache.sling.api.SlingHttpServletRequest;

import org.osgi.annotation.versioning.ProviderType;

/**
 * A service to resolve an expression into an actual object.
 */
@ProviderType
public interface ExpressionResolver {

    /**
     * Resolves the given expression.
     *
     * @param expression The expression to resolve
     * @param locale The locale
     * @param expectedType The type the result of the expression will be coerced to after evaluation
     * @param pageContext The current page context
     * @param  The type of the resolved expression
     * @return The result of expression
     */
     T resolve(String expression, Locale locale, Class expectedType, PageContext pageContext);

    /**
     * Resolves the given expression.
     *
     * @param expression The expression to resolve
     * @param locale The locale
     * @param expectedType The type the result of the expression will be coerced to after evaluation
     * @param request The current request
     * @param  The type of the resolved expression
     * @return The result of expression
     */
     T resolve(String expression, Locale locale, Class expectedType, SlingHttpServletRequest request);
}