/*
 * Copyright 2005-2010 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 org.wamblee.security.authorization;

import javax.persistence.DiscriminatorValue;
import javax.persistence.Entity;

/**
 * Condition to check whether a path matches a given regula expression.
 * 
 * @author Erik Brakkee
 */
@Entity
@DiscriminatorValue("REGEXP")
public class RegexpPathCondition extends AbstractPathCondition {
    /**
     * String the path must start with.
     */
    private String pattern;

    /**
     * Constructs the condition.
     * 
     * @param aPattern
     *            String the path must start with.
     */
    public RegexpPathCondition(String aPattern) {
        pattern = aPattern;
    }

    /**
     * For OR mapping.
     * 
     */
    protected RegexpPathCondition() {
        pattern = null;
    }

    /*
     * (non-Javadoc)
     * 
     * @see
     * org.wamblee.security.authorization.PathCondition#matches(java.lang.String
     * )
     */
    public boolean matches(String aPath) {
        return aPath.matches(pattern);
    }

    /**
     * 
     * @return Returns the _path.
     */
    protected String getPattern() {
        return pattern;
    }

    /**
     * 
     * @param aPattern
     *            The _path to set.
     */
    protected void setPattern(String aPattern) {
        pattern = aPattern;
    }

    /*
     * (non-Javadoc)
     * 
     * @see java.lang.Object#toString()
     */
    @Override
    public String toString() {
        return "RegexpCondition(pattern = '" + pattern + "')";
    }
}