org.thymeleaf.processor.processinginstruction.IProcessingInstructionStructureHandler Maven / Gradle / Ivy
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/*
* =============================================================================
*
* 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.processor.processinginstruction;
import org.thymeleaf.model.IModel;
/**
*
* Structure handler class meant to be used by {@link IProcessingInstructionProcessor} implementations.
*
*
* Structure handlers allow processors to instruct the engine to perform a series of actions that cannot
* be done directly from the processors themselves, usually because these actions are applied or have effects
* on scopes broader than the processed events themselves.
*
*
* @author Daniel Fernández
* @see IProcessingInstructionProcessor
* @since 3.0.0
*
*/
public interface IProcessingInstructionStructureHandler {
/**
*
* Resets all actions specified so far for the current processor execution.
*
*/
public void reset();
/**
*
* Instructs the engine to set new values into the properties of the ProcessingInstruction event being processed.
*
*
* @param target the new target value
* @param content the new content value
*/
public void setProcessingInstruction(final String target, final String content);
/**
*
* Instructs the engine to replace the current event with the specified model (a {@link IModel}).
*
*
* @param model the model to be used as a replacement.
* @param processable whether the model should be considered processable or not.
*/
public void replaceWith(final IModel model, final boolean processable);
/**
*
* Instructs the engine to remove the entire event that is being processed.
*
*/
public void removeProcessingInstruction();
}