AbstractStandardTextInlineSettingTagProcessor.java

/*
 * =============================================================================
 * 
 *   Copyright (c) 2011-2016, 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.standard.processor;

import org.thymeleaf.context.ITemplateContext;
import org.thymeleaf.engine.AttributeName;
import org.thymeleaf.inline.IInliner;
import org.thymeleaf.model.IProcessableElementTag;
import org.thymeleaf.processor.element.AbstractAttributeTagProcessor;
import org.thymeleaf.processor.element.IElementTagStructureHandler;
import org.thymeleaf.standard.inline.StandardInlineMode;
import org.thymeleaf.templatemode.TemplateMode;

/**
 *
 * @author Daniel Fernández
 *
 * @since 3.0.0
 *
 */
public abstract class AbstractStandardTextInlineSettingTagProcessor extends AbstractAttributeTagProcessor {

    /*
     * NOTE This class does not extend AbstractStandardExpressionAttributeTagProcessor because expressions are
     *      actually NOT ALLOWED as values of a th:inline attribute, so that parsing-time event preprocessors like
     *      org.thymeleaf.templateparser.text.InlinedOutputExpressionProcessorTextHandler and
     *      org.thymeleaf.templateparser.markup.InlinedOutputExpressionProcessorMarkupHandler can
     *      do their job when the standard dialects are enabled, without the need to execute any expressions (and
     *      therefore without the need to pass a context to the PARSING phase of the execution, which should not
     *      depend on any execution context in order to be perfectly CACHEABLE).
     */



    protected AbstractStandardTextInlineSettingTagProcessor(
            final TemplateMode templateMode, final String dialectPrefix, final String attrName, final int precedence) {
        super(templateMode, dialectPrefix, null, false, attrName, true, precedence, true);
    }



    @Override
    protected final void doProcess(
            final ITemplateContext context,
            final IProcessableElementTag tag,
            final AttributeName attributeName, final String attributeValue,
            final IElementTagStructureHandler structureHandler) {

        // Note we are NOT executing the attributeValue as a Standard Expression: we are expecting a literal (see comment above)
        final IInliner inliner = getInliner(context, StandardInlineMode.parse(attributeValue));
        structureHandler.setInliner(inliner);

    }



    protected abstract IInliner getInliner(final ITemplateContext context, final StandardInlineMode inlineMode);


}