Java tutorial
/* * 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.hdiv.web.servlet.tags.form; import java.beans.PropertyEditor; import java.io.StringReader; import java.util.ArrayList; import java.util.HashMap; import java.util.List; import java.util.Map; import javax.servlet.http.HttpServletRequest; import javax.servlet.jsp.tagext.Tag; import org.dom4j.Document; import org.dom4j.Element; import org.dom4j.io.SAXReader; import org.hdiv.beans.TestBean; import org.springframework.mock.web.MockHttpServletRequest; import org.springframework.mock.web.MockPageContext; import org.springframework.validation.BeanPropertyBindingResult; import org.springframework.validation.BindingResult; import org.springframework.validation.Errors; import org.springframework.web.servlet.support.BindStatus; import org.springframework.web.servlet.support.RequestContext; import org.springframework.web.servlet.tags.RequestContextAwareTag; import org.springframework.web.servlet.tags.form.SelectTag; import org.springframework.web.servlet.tags.form.TagWriter; /** * @author Gorka Vicente * @since 2.0.6 */ public class OptionsTagTests extends AbstractHtmlElementTagTests { private static final String COMMAND_NAME = "testBean"; private OptionsTagHDIV tag; private boolean confidentiality; protected void onSetUp() { this.tag = new OptionsTagHDIV() { protected TagWriter createTagWriter() { return new TagWriter(getWriter()); } }; this.tag.setPageContext(getPageContext()); SelectTagHDIV selectTag = new SelectTagHDIV(); selectTag.setPath("selectTest"); getPageContext().getRequest().setAttribute("selectTest", "1"); selectTag.setPageContext(getPageContext()); try { selectTag.doStartTag(); } catch (Exception e) { e.printStackTrace(); throw new RuntimeException(e); } this.tag.setParent(selectTag); confidentiality = ((Boolean) getHdivContext().getBean("confidentiality")).booleanValue(); } public void testWithCollection() throws Exception { getPageContext().setAttribute(SelectTag.LIST_VALUE_PAGE_ATTRIBUTE, new BindStatus(getRequestContext(), "testBean.country", false)); this.tag.setItems("${countries}"); this.tag.setItemValue("isoCode"); this.tag.setItemLabel("name"); this.tag.setId("myOption"); this.tag.setCssClass("myClass"); this.tag.setOnclick("CLICK"); int result = this.tag.doStartTag(); assertEquals(Tag.SKIP_BODY, result); String output = getOutput(); output = "<doc>" + output + "</doc>"; SAXReader reader = new SAXReader(); Document document = reader.read(new StringReader(output)); Element rootElement = document.getRootElement(); List children = rootElement.elements(); assertEquals("Incorrect number of children", 4, children.size()); String hdivValue = this.confidentiality ? "2" : "UK"; Element element = (Element) rootElement.selectSingleNode("option[@value = '" + hdivValue + "']"); assertEquals("UK node not selected", "selected", element.attribute("selected").getValue()); assertEquals("myOption3", element.attribute("id").getValue()); assertEquals("myClass", element.attribute("class").getValue()); assertEquals("CLICK", element.attribute("onclick").getValue()); } public void testWithCollectionAndCustomEditor() throws Exception { PropertyEditor propertyEditor = new SimpleFloatEditor(); TestBean target = new TestBean(); target.setMyFloat(new Float("12.34")); BeanPropertyBindingResult errors = new BeanPropertyBindingResult(target, COMMAND_NAME); errors.getPropertyAccessor().registerCustomEditor(Float.class, propertyEditor); exposeBindingResult(errors); getPageContext().setAttribute(SelectTag.LIST_VALUE_PAGE_ATTRIBUTE, new BindStatus(getRequestContext(), "testBean.myFloat", false)); this.tag.setItems("${floats}"); int result = this.tag.doStartTag(); assertEquals(Tag.SKIP_BODY, result); String output = getOutput(); output = "<doc>" + output + "</doc>"; SAXReader reader = new SAXReader(); Document document = reader.read(new StringReader(output)); Element rootElement = document.getRootElement(); List children = rootElement.elements(); assertEquals("Incorrect number of children", 6, children.size()); Element element = (Element) rootElement.selectSingleNode("option[text() = '12.34f']"); assertNotNull("Option node should not be null", element); assertEquals("12.34 node not selected", "selected", element.attribute("selected").getValue()); assertNull("No id rendered", element.attribute("id")); element = (Element) rootElement.selectSingleNode("option[text() = '12.35f']"); assertNotNull("Option node should not be null", element); assertNull("12.35 node incorrectly selected", element.attribute("selected")); assertNull("No id rendered", element.attribute("id")); } public void testWithItemsNullReference() throws Exception { getPageContext().getRequest().removeAttribute("countries"); getPageContext().setAttribute(SelectTag.LIST_VALUE_PAGE_ATTRIBUTE, new BindStatus(getRequestContext(), "testBean.country", false)); this.tag.setItems("${countries}"); this.tag.setItemValue("isoCode"); this.tag.setItemLabel("name"); int result = this.tag.doStartTag(); assertEquals(Tag.SKIP_BODY, result); String output = getWriter().toString(); output = "<doc>" + output + "</doc>"; SAXReader reader = new SAXReader(); Document document = reader.read(new StringReader(output)); Element rootElement = document.getRootElement(); List children = rootElement.elements(); assertEquals("Incorrect number of children", 0, children.size()); } public void testWithoutItems() throws Exception { getPageContext().setAttribute(SelectTag.LIST_VALUE_PAGE_ATTRIBUTE, new BindStatus(getRequestContext(), "testBean.country", false)); this.tag.setItemValue("isoCode"); this.tag.setItemLabel("name"); int result = this.tag.doStartTag(); assertEquals(Tag.SKIP_BODY, result); String output = getOutput(); output = "<doc>" + output + "</doc>"; SAXReader reader = new SAXReader(); Document document = reader.read(new StringReader(output)); Element rootElement = document.getRootElement(); List children = rootElement.elements(); assertEquals("Incorrect number of children", 0, children.size()); } protected void extendRequest(MockHttpServletRequest request) { TestBean bean = new TestBean(); bean.setName("foo"); bean.setCountry("UK"); bean.setMyFloat(new Float("12.34")); request.setAttribute(COMMAND_NAME, bean); request.setAttribute("countries", Country.getCountries()); List floats = new ArrayList(); floats.add(new Float("12.30")); floats.add(new Float("12.31")); floats.add(new Float("12.32")); floats.add(new Float("12.33")); floats.add(new Float("12.34")); floats.add(new Float("12.35")); request.setAttribute("floats", floats); } protected void exposeBindingResult(Errors errors) { // wrap errors in a Model Map model = new HashMap(); model.put(BindingResult.MODEL_KEY_PREFIX + COMMAND_NAME, errors); // replace the request context with one containing the errors MockPageContext pageContext = getPageContext(); RequestContext context = new RequestContext((HttpServletRequest) pageContext.getRequest(), model); pageContext.setAttribute(RequestContextAwareTag.REQUEST_CONTEXT_PAGE_ATTRIBUTE, context); } }