001    package org.apache.commons.ognl.enhance;
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     * Implementation of {@link LocalReference}.
024     */
025    public class LocalReferenceImpl
026        implements LocalReference
027    {
028    
029        private final String name;
030    
031        private final Class<?> type;
032    
033        private final String expression;
034    
035        public LocalReferenceImpl( String name, String expression, Class<?> type )
036        {
037            this.name = name;
038            this.type = type;
039            this.expression = expression;
040        }
041    
042        /**
043         * {@inheritDoc}
044         */
045        public String getName()
046        {
047            return name;
048        }
049    
050        /**
051         * {@inheritDoc}
052         */
053        public String getExpression()
054        {
055            return expression;
056        }
057    
058        /**
059         * {@inheritDoc}
060         */
061        public Class<?> getType()
062        {
063            return type;
064        }
065    
066        /**
067         * {@inheritDoc}
068         */
069        @Override
070        public boolean equals( Object o )
071        {
072            if ( this == o )
073            {
074                return true;
075            }
076            if ( o == null || getClass() != o.getClass() )
077            {
078                return false;
079            }
080    
081            LocalReferenceImpl that = (LocalReferenceImpl) o;
082    
083            if ( expression != null ? !expression.equals( that.expression ) : that.expression != null )
084            {
085                return false;
086            }
087            if ( name != null ? !name.equals( that.name ) : that.name != null )
088            {
089                return false;
090            }
091            if ( type != null ? !type.equals( that.type ) : that.type != null )
092            {
093                return false;
094            }
095    
096            return true;
097        }
098    
099        /**
100         * {@inheritDoc}
101         */
102        @Override
103        public int hashCode()
104        {
105            int result;
106            result = ( name != null ? name.hashCode() : 0 );
107            result = 31 * result + ( type != null ? type.hashCode() : 0 );
108            result = 31 * result + ( expression != null ? expression.hashCode() : 0 );
109            return result;
110        }
111    
112        /**
113         * {@inheritDoc}
114         */
115        @Override
116        public String toString()
117        {
118            return "LocalReferenceImpl[" + "_name='" + name + '\'' + '\n' + ", _type=" + type + '\n' + ", _expression='"
119                + expression + '\'' + '\n' + ']';
120        }
121    }