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Struts example source code file (PatternMatcher.java)

This example Struts source code file (PatternMatcher.java) is included in the DevDaily.com "Java Source Code Warehouse" project. The intent of this project is to help you "Learn Java by Example" TM.

Java - Struts tags/keywords

e, e, object, object, patternmatcher, patternmatcher, string, string, util

The Struts PatternMatcher.java source code

/*
 * $Id: PatternMatcher.java 894087 2009-12-27 18:00:13Z martinc $
 *
 * Copyright 2003-2004 The Apache Software Foundation.
 *
 * 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 com.opensymphony.xwork2.util;

import java.util.Map;

/**
 * Compiles and matches a pattern against a value
 * 
 * @since 2.1
 */
public interface PatternMatcher<E extends Object> {

    /**
     * Determines if the pattern is a simple literal string or contains wildcards that will need to be processed
     * @param pattern The string pattern
     * @return True if the pattern doesn't contain processing elements, false otherwise
     */
    boolean isLiteral(String pattern);

    /**
     * <p> Translate the given String into an object
     * representing the pattern matchable by this class. 
     *
     * @param data The string to translate.
     * @return The encoded string 
     * @throws NullPointerException If data is null.
     */
    E compilePattern(String data);

    /**
     * Match a pattern against a string 
     *
     * @param map  The map to store matched values
     * @param data The string to match
     * @param expr The compiled wildcard expression
     * @return True if a match
     * @throws NullPointerException If any parameters are null
     */
    boolean match(Map<String,String> map, String data, E expr);
    
}

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