Spring Framework example source code file (RadioButtonTagTests.java)

This example Spring Framework source code file (RadioButtonTagTests.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

bean, command_name, element, element, exception, exception, f, float, io, javabean, jsp, myfloateditor, rudiger, saxreader, saxreader, servlet, string, string, testbean, util

The Spring Framework RadioButtonTagTests.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.tags.form;

import java.beans.PropertyEditorSupport;
import java.io.StringReader;
import java.util.Collections;

import javax.servlet.jsp.tagext.Tag;

import org.dom4j.Document;
import org.dom4j.Element;
import org.dom4j.io.SAXReader;

import org.springframework.beans.Pet;
import org.springframework.beans.TestBean;
import org.springframework.validation.BeanPropertyBindingResult;
import org.springframework.validation.BindingResult;

/**
 * @author Rob Harrop
 * @author Juergen Hoeller
 */
public class RadioButtonTagTests extends AbstractFormTagTests {

	private RadioButtonTag tag;

	private TestBean bean;

	protected void onSetUp() {
		this.tag = new RadioButtonTag() {
			protected TagWriter createTagWriter() {
				return new TagWriter(getWriter());
			}
		};
		this.tag.setPageContext(getPageContext());
	}

	public void testWithCheckedValue() throws Exception {
		this.tag.setPath("sex");
		this.tag.setValue("M");
		int result = this.tag.doStartTag();
		assertEquals(Tag.EVAL_PAGE, result);

		String output = getOutput();
		assertTagOpened(output);
		assertTagClosed(output);
		assertContainsAttribute(output, "name", "sex");
		assertContainsAttribute(output, "type", "radio");
		assertContainsAttribute(output, "value", "M");
		assertContainsAttribute(output, "checked", "checked");
	}

	public void testWithCheckedObjectValue() throws Exception {
		this.tag.setPath("myFloat");
		this.tag.setValue(getFloat());
		int result = this.tag.doStartTag();
		assertEquals(Tag.EVAL_PAGE, result);

		String output = getOutput();
		assertTagOpened(output);
		assertTagClosed(output);
		assertContainsAttribute(output, "name", "myFloat");
		assertContainsAttribute(output, "type", "radio");
		assertContainsAttribute(output, "value", getFloat().toString());
		assertContainsAttribute(output, "checked", "checked");
	}

	public void testWithCheckedObjectValueAndEditor() throws Exception {
		this.tag.setPath("myFloat");
		this.tag.setValue("F12.99");

		BeanPropertyBindingResult bindingResult = new BeanPropertyBindingResult(this.bean, COMMAND_NAME);
		MyFloatEditor editor = new MyFloatEditor();
		bindingResult.getPropertyEditorRegistry().registerCustomEditor(Float.class, editor);
		getPageContext().getRequest().setAttribute(BindingResult.MODEL_KEY_PREFIX + COMMAND_NAME, bindingResult);

		int result = this.tag.doStartTag();
		assertEquals(Tag.EVAL_PAGE, result);

		String output = getOutput();
		assertTagOpened(output);
		assertTagClosed(output);
		assertContainsAttribute(output, "name", "myFloat");
		assertContainsAttribute(output, "type", "radio");
		assertContainsAttribute(output, "value", "F" + getFloat().toString());
		assertContainsAttribute(output, "checked", "checked");
	}

	public void testWithUncheckedObjectValue() throws Exception {
		Float value = new Float("99.45");
		this.tag.setPath("myFloat");
		this.tag.setValue(value);
		int result = this.tag.doStartTag();
		assertEquals(Tag.EVAL_PAGE, result);

		String output = getOutput();
		assertTagOpened(output);
		assertTagClosed(output);
		assertContainsAttribute(output, "name", "myFloat");
		assertContainsAttribute(output, "type", "radio");
		assertContainsAttribute(output, "value", value.toString());
		assertAttributeNotPresent(output, "checked");
	}

	public void testWithUncheckedValue() throws Exception {
		this.tag.setPath("sex");
		this.tag.setValue("F");
		int result = this.tag.doStartTag();
		assertEquals(Tag.EVAL_PAGE, result);

		String output = getOutput();
		assertTagOpened(output);
		assertTagClosed(output);
		assertContainsAttribute(output, "name", "sex");
		assertContainsAttribute(output, "type", "radio");
		assertContainsAttribute(output, "value", "F");
		assertAttributeNotPresent(output, "checked");
	}

	public void testCollectionOfPets() throws Exception {
		this.tag.setPath("pets");
		this.tag.setValue(new Pet("Rudiger"));

		int result = this.tag.doStartTag();
		assertEquals(Tag.EVAL_PAGE, result);

		String output = getOutput();

		// wrap the output so it is valid XML
		output = "<doc>" + output + "";

		SAXReader reader = new SAXReader();
		Document document = reader.read(new StringReader(output));
		Element checkboxElement = (Element) document.getRootElement().elements().get(0);
		assertEquals("input", checkboxElement.getName());
		assertEquals("radio", checkboxElement.attribute("type").getValue());
		assertEquals("pets", checkboxElement.attribute("name").getValue());
		assertEquals("Rudiger", checkboxElement.attribute("value").getValue());
		assertEquals("checked", checkboxElement.attribute("checked").getValue());
	}

	public void testCollectionOfPetsNotSelected() throws Exception {
		this.tag.setPath("pets");
		this.tag.setValue(new Pet("Santa's Little Helper"));

		int result = this.tag.doStartTag();
		assertEquals(Tag.EVAL_PAGE, result);

		String output = getOutput();

		// wrap the output so it is valid XML
		output = "<doc>" + output + "";

		SAXReader reader = new SAXReader();
		Document document = reader.read(new StringReader(output));
		Element checkboxElement = (Element) document.getRootElement().elements().get(0);
		assertEquals("input", checkboxElement.getName());
		assertEquals("radio", checkboxElement.attribute("type").getValue());
		assertEquals("pets", checkboxElement.attribute("name").getValue());
		assertEquals("Santa's Little Helper", checkboxElement.attribute("value").getValue());
		assertNull(checkboxElement.attribute("checked"));
	}

	public void testCollectionOfPetsWithEditor() throws Exception {
		this.tag.setPath("pets");
		this.tag.setValue(new ItemPet("Rudiger"));

		BeanPropertyBindingResult bindingResult = new BeanPropertyBindingResult(this.bean, COMMAND_NAME);
		PropertyEditorSupport editor = new ItemPet.CustomEditor();
		bindingResult.getPropertyEditorRegistry().registerCustomEditor(ItemPet.class, editor);
		getPageContext().getRequest().setAttribute(BindingResult.MODEL_KEY_PREFIX + COMMAND_NAME, bindingResult);

		int result = this.tag.doStartTag();
		assertEquals(Tag.EVAL_PAGE, result);

		String output = getOutput();

		// wrap the output so it is valid XML
		output = "<doc>" + output + "";

		SAXReader reader = new SAXReader();
		Document document = reader.read(new StringReader(output));
		Element checkboxElement = (Element) document.getRootElement().elements().get(0);
		assertEquals("input", checkboxElement.getName());
		assertEquals("radio", checkboxElement.attribute("type").getValue());
		assertEquals("pets", checkboxElement.attribute("name").getValue());
		assertEquals("Rudiger", checkboxElement.attribute("value").getValue());
		assertEquals("checked", checkboxElement.attribute("checked").getValue());
	}

	private void assertTagOpened(String output) {
		assertTrue(output.indexOf("<input ") > -1);
	}

	private void assertTagClosed(String output) {
		assertTrue(output.indexOf("/>") > -1);
	}

	private Float getFloat() {
		return new Float("12.99");
	}

	protected TestBean createTestBean() {
		this.bean = new TestBean();
		bean.setSex("M");
		bean.setMyFloat(getFloat());
		bean.setPets(Collections.singletonList(new Pet("Rudiger")));
		return bean;
	}


	private static class MyFloatEditor extends PropertyEditorSupport {

		public void setAsText(String text) throws IllegalArgumentException {
			setValue(text.substring(1));
		}

		public String getAsText() {
			return "F" + (Float) getValue();
		}
	}

}