nz.net.osnz.lmz.stencil.NamedStencil.groovy Maven / Gradle / Ivy

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OSNZ LMZ Stencil dependency

There is a newer version: 1.7

package nz.net.osnz.lmz.stencil

import nz.ac.auckland.stencil.Stencil
import nz.ac.auckland.stencil.StencilService

import javax.inject.Inject
import javax.servlet.http.HttpServletRequest
import javax.servlet.http.HttpServletResponse

/**
 * @author Kefeng Deng ([email protected])
 */
public abstract class NamedStencil implements Stencil {

	public static final STENCIL_LOCATION = '/WEB-INF/stencils/'

	public static final NAME_STENCIL = 'Stencil'

	public static final NAME_PAGE = 'Page'

	@Inject
	StencilService pageService

	String defaultView

	public NamedStencil() {

		StringBuilder sb = new StringBuilder()

		String clazzName = this.getClass().simpleName

		if (clazzName.endsWith(NAME_STENCIL)) {
			clazzName = clazzName.substring(0, clazzName.length() - NAME_STENCIL.length())
		} else if (clazzName.endsWith(NAME_PAGE)) {
			clazzName = clazzName.substring(0, clazzName.length() - NAME_PAGE.length())
		}

		for (Character c : clazzName.chars) {
			if (c.isUpperCase()) {
				if (sb.size() > 0) {
					sb.append('_')
				}
				sb.append(c.toLowerCase())
			} else {
				sb.append(c)
			}
		}

		defaultView = getPrefixStencilLocation(sb.toString())
	}

	protected String getPrefixStencilLocation(String currentName) {
		return STENCIL_LOCATION + currentName + ".jsp"
	}

	@Override
	void render(HttpServletRequest request, HttpServletResponse response, Map pathParameters) {
		Map model = render(request, pathParameters)

		pageService.renderJsp(request, response, defaultView, model)
	}

	public abstract Map render(HttpServletRequest request, Map pathParameters)

}