/*

 * Copyright (c) 2017, Oracle and/or its affiliates. All rights reserved.

 */

/*

 * 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.

 */

package com.sun.org.apache.xerces.internal.impl.validation;

import java.util.ArrayList;

import java.util.List;

/**

 * ValidationManager is a coordinator property for validators in the

 * pipeline. Each validator must know how to interact with

 * this property. Validators are not required to know what kind of

 * other validators present in the pipeline, but should understand

 * that there are others and that some coordination is required.

 *

 * @xerces.internal

 *

 * @author Elena Litani, IBM

 * @LastModified: Oct 2017

 */

public class ValidationManager {

    protected final List<ValidationState> fVSs = new ArrayList<>();

    protected boolean fGrammarFound = false;

    // used by the DTD validator to tell other components that it has a

    // cached DTD in hand so there's no reason to

    // scan external subset or entity decls.

    protected boolean fCachedDTD = false;

    /**

     * Each validator should call this method to add its ValidationState into

     * the validation manager.

     */

    public final void addValidationState(ValidationState vs) {

        fVSs.add(vs);

    }

    /**

     * Set the information required to validate entity values.

     */

    public final void setEntityState(EntityState state) {

        for (int i = fVSs.size()-1; i >= 0; i--) {

            (fVSs.get(i)).setEntityState(state);

        }

    }

    public final void setGrammarFound(boolean grammar){

        fGrammarFound = grammar;

    }

    public final boolean isGrammarFound(){

        return fGrammarFound;

    }

    public final void setCachedDTD(boolean cachedDTD) {

        fCachedDTD = cachedDTD;

    } // setCachedDTD(boolean)

    public final boolean isCachedDTD() {

        return fCachedDTD;

    } // isCachedDTD():  boolean

    public final void reset (){

        fVSs.clear();

        fGrammarFound = false;

        fCachedDTD = false;

    }

}