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feilong is a suite of core and expanded libraries that include utility classes, http, excel,cvs, io classes, and much much more.

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package com.feilong.lib.digester3.xmlrules;

/*
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you 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.
 */

import java.util.HashSet;
import java.util.Set;

import com.feilong.lib.digester3.binder.LinkedRuleBuilder;
import com.feilong.lib.digester3.binder.RulesBinder;
import com.feilong.lib.digester3.binder.RulesModule;

/**
 * 
 */
class WithMemoryRulesBinder implements RulesBinder{

    /**
     * A stack used to maintain the current pattern. The Rules XML document type allows nesting of patterns. If an
     * element defines a matching pattern, the resulting pattern is a concatenation of that pattern with all the
     * ancestor elements' patterns. Hence the need for a stack.
     */
    private final PatternStack patternStack  = new PatternStack();

    /**
     * Used to detect circular includes
     */
    private final Set  includedFiles = new HashSet<>();

    private final RulesBinder  wrappedRulesBinder;

    public WithMemoryRulesBinder(RulesBinder wrappedRulesBinder){
        this.wrappedRulesBinder = wrappedRulesBinder;
    }

    /**
     * {@inheritDoc}
     */
    @Override
    public ClassLoader getContextClassLoader(){
        return this.wrappedRulesBinder.getContextClassLoader();
    }

    /**
     * {@inheritDoc}
     */
    @Override
    public void addError(String messagePattern,Object...arguments){
        this.wrappedRulesBinder.addError(messagePattern, arguments);
    }

    /**
     * {@inheritDoc}
     */
    @Override
    public void addError(Throwable t){
        this.wrappedRulesBinder.addError(t);
    }

    /**
     * {@inheritDoc}
     */
    @Override
    public void install(RulesModule rulesModule){
        this.wrappedRulesBinder.install(rulesModule);
    }

    /**
     * {@inheritDoc}
     */
    @Override
    public LinkedRuleBuilder forPattern(String pattern){
        return this.wrappedRulesBinder.forPattern(pattern);
    }

    /**
     * @return the pattern stack
     */
    public PatternStack getPatternStack(){
        return this.patternStack;
    }

    /**
     * @return the set of included files
     */
    public Set getIncludedFiles(){
        return this.includedFiles;
    }

}