001    package org.apache.commons.ognl;
002    
003    /*
004     * Licensed to the Apache Software Foundation (ASF) under one
005     * or more contributor license agreements.  See the NOTICE file
006     * distributed with this work for additional information
007     * regarding copyright ownership.  The ASF licenses this file
008     * to you under the Apache License, Version 2.0 (the
009     * "License"); you may not use this file except in compliance
010     * with the License.  You may obtain a copy of the License at
011     *
012     *   http://www.apache.org/licenses/LICENSE-2.0
013     *
014     * Unless required by applicable law or agreed to in writing,
015     * software distributed under the License is distributed on an
016     * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
017     * KIND, either express or implied.  See the License for the
018     * specific language governing permissions and limitations
019     * under the License.
020     */
021    
022    /**
023     * Defines an object that can return a representation of itself and any objects it contains in the form of a
024     * {@link String} embedded with literal java statements.
025     *
026     * @author jkuhnert
027     */
028    public interface JavaSource
029    {
030    
031        /**
032         * Expected to return a java source representation of itself such that it could be turned into a literal java
033         * expression to be compiled and executed for
034         * {@link org.apache.commons.ognl.enhance.ExpressionAccessor#get(OgnlContext, Object)} calls.
035         *
036         * @return Literal java string representation of an object get.
037         */
038        String toGetSourceString( OgnlContext context, Object target );
039    
040        /**
041         * Expected to return a java source representation of itself such that it could be turned into a literal java
042         * expression to be compiled and executed for
043         * {@link org.apache.commons.ognl.enhance.ExpressionAccessor#get(OgnlContext, Object)} calls.
044         *
045         * @return Literal java string representation of an object get.
046         */
047        String toSetSourceString( OgnlContext context, Object target );
048    
049    }