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Modern server-side Java template engine for both web and standalone environments

There is a newer version: 3.1.3.RELEASE

/*
 * =============================================================================
 *
 *   Copyright (c) 2011-2018, The THYMELEAF team (http://www.thymeleaf.org)
 *
 *   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.thymeleaf.engine;

import org.thymeleaf.model.IModel;
import org.thymeleaf.processor.xmldeclaration.IXMLDeclarationStructureHandler;
import org.thymeleaf.util.Validate;

/**
 * 
 *   Structure handler implementation, internally used by the engine.
 * 
 * 
 *   This class should not be directly used from outside the engine.
 * 
 *
 * @author Daniel Fernández
 * @since 3.0.0
 * 
 */
public final class XMLDeclarationStructureHandler implements IXMLDeclarationStructureHandler {


    boolean setXMLDeclaration;
    String setXMLDeclarationKeyword;
    String setXMLDeclarationVersion;
    String setXMLDeclarationEncoding;
    String setXMLDeclarationStandalone;

    boolean replaceWithModel;
    IModel replaceWithModelValue;
    boolean replaceWithModelProcessable;

    boolean removeXMLDeclaration;




    XMLDeclarationStructureHandler() {
        super();
        reset();
    }




    public void setXMLDeclaration(
            final String keyword, final String version, final String encoding, final String standalone) {
        reset();
        Validate.notNull(keyword, "Keyword cannot be null");
        this.setXMLDeclaration = true;
        this.setXMLDeclarationKeyword = keyword;
        this.setXMLDeclarationVersion = version;
        this.setXMLDeclarationEncoding = encoding;
        this.setXMLDeclarationStandalone = standalone;
    }


    public void replaceWith(final IModel model, final boolean processable) {
        reset();
        Validate.notNull(model, "Model cannot be null");
        this.replaceWithModel = true;
        this.replaceWithModelValue = model;
        this.replaceWithModelProcessable = processable;
    }


    public void removeXMLDeclaration() {
        reset();
        this.removeXMLDeclaration = true;
    }




    public void reset() {

        this.setXMLDeclaration = false;
        this.setXMLDeclarationKeyword = null;
        this.setXMLDeclarationVersion = null;
        this.setXMLDeclarationEncoding = null;
        this.setXMLDeclarationStandalone = null;

        this.replaceWithModel = false;
        this.replaceWithModelValue = null;
        this.replaceWithModelProcessable = false;

        this.removeXMLDeclaration = false;

    }


}