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package com.feilong.lib.digester3.binder;

/*
 * 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.
 */

/**
 * The Digester EDSL.
 *
 * @since 3.0
 */
public interface RulesBinder{

    /**
     * Returns the context {@code ClassLoader}.
     *
     * @return The context {@code ClassLoader}
     */
    ClassLoader getContextClassLoader();

    /**
     * Records an error message which will be presented to the user at a later time. Unlike throwing an exception, this
     * enable us to continue configuring the Digester and discover more errors. Uses
     * {@link String#format(String, Object[])} to insert the arguments into the message.
     *
     * @param messagePattern
     *            The message string pattern
     * @param arguments
     *            Arguments referenced by the format specifiers in the format string
     */
    void addError(String messagePattern,Object...arguments);

    /**
     * Records an exception, the full details of which will be logged, and the message of which will be presented to the
     * user at a later time. If your Module calls something that you worry may fail, you should catch the exception and
     * pass it into this.
     *
     * @param t
     *            The exception has to be recorded.
     */
    void addError(Throwable t);

    /**
     * Allows sub-modules inclusion while binding rules.
     *
     * @param rulesModule
     *            the sub-module has to be included.
     */
    void install(RulesModule rulesModule);

    /**
     * Allows to associate the given pattern to one or more Digester rules.
     *
     * @param pattern
     *            The pattern that this rule should match
     * @return The Digester rules builder
     */
    LinkedRuleBuilder forPattern(String pattern);

}