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Spring Framework example source code file (AbstractTemplateViewResolver.java)

This example Spring Framework source code file (AbstractTemplateViewResolver.java) is included in the DevDaily.com "Java Source Code Warehouse" project. The intent of this project is to help you "Learn Java by Example" TM.

Java - Spring Framework tags/keywords

abstracttemplateview, abstracttemplateview, abstracttemplateviewresolver, abstracturlbasedview, class, class, exception, exception, urlbasedviewresolver, urlbasedviewresolver

The Spring Framework AbstractTemplateViewResolver.java source code

/*
 * Copyright 2002-2007 the original author or authors.
 *
 * 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.springframework.web.servlet.view;

/**
 * Abstract base class for template view resolvers,
 * in particular for Velocity and FreeMarker views.
 *
 * <p>Provides a convenient way to specify {@link AbstractTemplateView}'s
 * exposure flags for request attributes, session attributes,
 * and Spring's macro helpers.
 *
 * @author Juergen Hoeller
 * @since 1.1
 * @see AbstractTemplateView
 * @see org.springframework.web.servlet.view.velocity.VelocityViewResolver
 * @see org.springframework.web.servlet.view.freemarker.FreeMarkerViewResolver
 */
public class AbstractTemplateViewResolver extends UrlBasedViewResolver {

	private boolean exposeRequestAttributes = false;

	private boolean allowRequestOverride = false;

	private boolean exposeSessionAttributes = false;

	private boolean allowSessionOverride = false;

	private boolean exposeSpringMacroHelpers = true;


	protected Class requiredViewClass() {
		return AbstractTemplateView.class;
	}

	/**
	 * Set whether all request attributes should be added to the
	 * model prior to merging with the template. Default is "false".
	 * @see AbstractTemplateView#setExposeRequestAttributes
	 */
	public void setExposeRequestAttributes(boolean exposeRequestAttributes) {
		this.exposeRequestAttributes = exposeRequestAttributes;
	}

	/**
	 * Set whether HttpServletRequest attributes are allowed to override (hide)
	 * controller generated model attributes of the same name. Default is "false",
	 * which causes an exception to be thrown if request attributes of the same
	 * name as model attributes are found.
	 * @see AbstractTemplateView#setAllowRequestOverride
	 */
	public void setAllowRequestOverride(boolean allowRequestOverride) {
		this.allowRequestOverride = allowRequestOverride;
	}

	/**
	 * Set whether all HttpSession attributes should be added to the
	 * model prior to merging with the template. Default is "false".
	 * @see AbstractTemplateView#setExposeSessionAttributes
	 */
	public void setExposeSessionAttributes(boolean exposeSessionAttributes) {
		this.exposeSessionAttributes = exposeSessionAttributes;
	}

	/**
	 * Set whether HttpSession attributes are allowed to override (hide)
	 * controller generated model attributes of the same name. Default is "false",
	 * which causes an exception to be thrown if session attributes of the same
	 * name as model attributes are found.
	 * @see AbstractTemplateView#setAllowSessionOverride
	 */
	public void setAllowSessionOverride(boolean allowSessionOverride) {
		this.allowSessionOverride = allowSessionOverride;
	}

	/**
	 * Set whether to expose a RequestContext for use by Spring's macro library,
	 * under the name "springMacroRequestContext". Default is "true".
	 * @see AbstractTemplateView#setExposeSpringMacroHelpers
	 */
	public void setExposeSpringMacroHelpers(boolean exposeSpringMacroHelpers) {
		this.exposeSpringMacroHelpers = exposeSpringMacroHelpers;
	}


	protected AbstractUrlBasedView buildView(String viewName) throws Exception {
		AbstractTemplateView view = (AbstractTemplateView) super.buildView(viewName);
		view.setExposeRequestAttributes(this.exposeRequestAttributes);
		view.setAllowRequestOverride(this.allowRequestOverride);
		view.setExposeSessionAttributes(this.exposeSessionAttributes);
		view.setAllowSessionOverride(this.allowSessionOverride);
		view.setExposeSpringMacroHelpers(this.exposeSpringMacroHelpers);
		return view;
	}

}

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