Spring Framework example source code file (ResourceBundleViewResolverTests.java)

This example Spring Framework source code file (ResourceBundleViewResolverTests.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

beanisabstractexception, correct, exception, exception, french, http, internalresourceview, internalresourceview, request, resourcebundleviewresolver, response, se10, servlet, testview, testview, url, util, view, view

The Spring Framework ResourceBundleViewResolverTests.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;

import java.util.Locale;
import java.util.Map;
import java.util.MissingResourceException;

import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

import junit.framework.TestCase;

import org.springframework.beans.factory.BeanIsAbstractException;
import org.springframework.core.io.Resource;
import org.springframework.mock.web.MockServletContext;
import org.springframework.web.context.support.ServletContextResource;
import org.springframework.web.context.support.StaticWebApplicationContext;
import org.springframework.web.servlet.View;

/**
 * @author Rod Johnson
 * @author Juergen Hoeller
 */
public class ResourceBundleViewResolverTests extends TestCase {

	/** Comes from this package */
	private static String PROPS_FILE = "org.springframework.web.servlet.view.testviews";

	private ResourceBundleViewResolver rb;
	
	private StaticWebApplicationContext wac;


	protected void setUp() throws Exception {
		rb = new ResourceBundleViewResolver();
		rb.setBasename(PROPS_FILE);
		rb.setCache(getCache());
		rb.setDefaultParentView("testParent");

		wac = new StaticWebApplicationContext();
		wac.setServletContext(new MockServletContext());
		wac.refresh();

		// This will be propagated to views, so we need it.
		rb.setApplicationContext(wac);
	}

	/**
	 * Not a constant: allows overrides.
	 * Controls whether to cache views.
	 */
	protected boolean getCache() {
		return true;
	}


	public void testParentsAreAbstract() throws Exception {
		try {
			View v = rb.resolveViewName("debug.Parent", Locale.ENGLISH);
			fail("Should have thrown BeanIsAbstractException");
		}
		catch (BeanIsAbstractException ex) {
			// expected
		}
		try {
			View v = rb.resolveViewName("testParent", Locale.ENGLISH);
			fail("Should have thrown BeanIsAbstractException");
		}
		catch (BeanIsAbstractException ex) {
			// expected
		}
	}

	public void testDebugViewEnglish() throws Exception {
		View v = rb.resolveViewName("debugView", Locale.ENGLISH);
		assertTrue("debugView must be of type InternalResourceView", v instanceof InternalResourceView);
		InternalResourceView jv = (InternalResourceView) v;
		assertTrue("debugView must have correct URL", "jsp/debug/debug.jsp".equals(jv.getUrl()));

		Map m = jv.getStaticAttributes();
		assertTrue("Must have 2 static attributes, not " + m.size(), m.size() == 2);
		assertTrue("attribute foo = bar, not '" + m.get("foo") + "'", m.get("foo").equals("bar"));
		assertTrue("attribute postcode = SE10 9JY", m.get("postcode").equals("SE10 9JY"));

		assertTrue("Correct default content type", jv.getContentType().equals(AbstractView.DEFAULT_CONTENT_TYPE));
	}

	public void testDebugViewFrench() throws Exception {
		View v = rb.resolveViewName("debugView", Locale.FRENCH);
		assertTrue("French debugView must be of type InternalResourceView", v instanceof InternalResourceView);
		InternalResourceView jv = (InternalResourceView) v;
		assertTrue("French debugView must have correct URL", "jsp/debug/deboug.jsp".equals(jv.getUrl()));
		assertTrue(
			"Correct overridden (XML) content type, not '" + jv.getContentType() + "'",
			jv.getContentType().equals("text/xml;charset=ISO-8859-1"));
	}

	public void testEagerInitialization() throws Exception {
		ResourceBundleViewResolver rb = new ResourceBundleViewResolver();
		rb.setBasename(PROPS_FILE);
		rb.setCache(getCache());
		rb.setDefaultParentView("testParent");
		rb.setLocalesToInitialize(new Locale[] {Locale.ENGLISH, Locale.FRENCH});
		rb.setApplicationContext(wac);

		View v = rb.resolveViewName("debugView", Locale.FRENCH);
		assertTrue("French debugView must be of type InternalResourceView", v instanceof InternalResourceView);
		InternalResourceView jv = (InternalResourceView) v;
		assertTrue("French debugView must have correct URL", "jsp/debug/deboug.jsp".equals(jv.getUrl()));
		assertTrue(
			"Correct overridden (XML) content type, not '" + jv.getContentType() + "'",
			jv.getContentType().equals("text/xml;charset=ISO-8859-1"));
	}

	public void testSameBundleOnlyCachedOnce() throws Exception {
		if (rb.isCache()) {
			View v1 = rb.resolveViewName("debugView", Locale.ENGLISH);
			View v2 = rb.resolveViewName("debugView", Locale.UK);
			assertSame(v1, v2);
		}
	}

	public void testNoSuchViewEnglish() throws Exception {
		View v = rb.resolveViewName("xxxxxxweorqiwuopeir", Locale.ENGLISH);
		assertTrue(v == null);
	}

	public void testOnSetContextCalledOnce() throws Exception {
		TestView tv = (TestView) rb.resolveViewName("test", Locale.ENGLISH);
		tv = (TestView) rb.resolveViewName("test", Locale.ENGLISH);
		tv = (TestView) rb.resolveViewName("test", Locale.ENGLISH);
		assertTrue("test has correct name", "test".equals(tv.getBeanName()));
		assertTrue("test should have been initialized once, not " + tv.initCount + " times", tv.initCount == 1);
	}
	
	public void testNoSuchBasename() throws Exception {
		try {
			rb.setBasename("weoriwoierqupowiuer");
			View v = rb.resolveViewName("debugView", Locale.ENGLISH);
			fail("No such basename: all requests should fail with exception");
		}
		catch (MissingResourceException ex) {
			// OK
		}
	}


	public static class TestView extends AbstractView {

		public int initCount;

		public void setLocation(Resource location) {
			if (!(location instanceof ServletContextResource)) {
				throw new IllegalArgumentException("Expecting ServletContextResource, not " + location.getClass().getName());
			}
		}

		protected void renderMergedOutputModel(Map model, HttpServletRequest request, HttpServletResponse response) {
		}

		protected void initApplicationContext() {
			++initCount;
		}
	}

}