net.javacrumbs.springws.test.expression.ExpressionResolver Maven / Gradle / Ivy

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/**
 * Copyright 2009-2010 the original author or authors.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package net.javacrumbs.springws.test.expression;

import java.net.URI;

import org.w3c.dom.Document;

/**
 * Evaluates an expression. 
 * @author Lukas Krecan
 *
 */
public interface ExpressionResolver {
	/**
	 * Returns the expression from input.
	 */
	public static final ExpressionResolver DUMMY_EXPRESSION_RESOLVER = new ExpressionResolver()
	{
		public String resolveExpression(String expression, URI uri, Document document) {
			return expression;
		}
	};
	/**
	 * Evaluates an expression. 
	 * @param expression
	 * @param uri
	 * @param document
	 * @return
	 * @throws ExpressionResolverException if expression resolving failed
	 */
	public abstract String resolveExpression(String expression, URI uri, Document document) throws ExpressionResolverException;
}