Spring Framework example source code file (InputTagTests.java)

This example Spring Framework source code file (InputTagTests.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

bindstatus, bindtag, exception, exception, inputtag, io, jsp, mangos, nestedpathtag, rob, rob, sally, servlet, string, string, testbean, testbean

The Spring Framework InputTagTests.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.io.Writer;

import javax.servlet.jsp.tagext.Tag;

import org.springframework.beans.TestBean;
import org.springframework.validation.BeanPropertyBindingResult;
import org.springframework.web.servlet.support.BindStatus;
import org.springframework.web.servlet.tags.BindTag;
import org.springframework.web.servlet.tags.NestedPathTag;

/**
 * @author Rob Harrop
 * @author Rick Evans
 */
public class InputTagTests extends AbstractFormTagTests {

	private InputTag tag;

	private TestBean rob;


	protected void onSetUp() {
		this.tag = createTag(getWriter());
		this.tag.setParent(getFormTag());
		this.tag.setPageContext(getPageContext());
	}

	protected TestBean createTestBean() {
		// set up test data
		this.rob = new TestBean();
		this.rob.setName("Rob");
		this.rob.setMyFloat(new Float(12.34));

		TestBean sally = new TestBean();
		sally.setName("Sally");
		this.rob.setSpouse(sally);

		return this.rob;
	}

	protected final InputTag getTag() {
		return this.tag;
	}


	public void testSimpleBind() throws Exception {
		this.tag.setPath("name");

		assertEquals(Tag.EVAL_PAGE, this.tag.doStartTag());

		String output = getOutput();
		assertTagOpened(output);
		assertTagClosed(output);

		assertContainsAttribute(output, "type", getType());
		assertValueAttribute(output, "Rob");
	}

	public void testSimpleBindTagWithinForm() throws Exception {
		BindTag bindTag = new BindTag();
		bindTag.setPath("name");
		bindTag.setPageContext(getPageContext());
		bindTag.doStartTag();

		BindStatus bindStatus = (BindStatus) getPageContext().findAttribute(BindTag.STATUS_VARIABLE_NAME);
		assertEquals("Rob", bindStatus.getValue());
	}

	public void testSimpleBindWithHtmlEscaping() throws Exception {
		final String NAME = "Rob \"I Love Mangos\" Harrop";
		final String HTML_ESCAPED_NAME = "Rob "I Love Mangos" Harrop";

		this.tag.setPath("name");
		this.rob.setName(NAME);

		assertEquals(Tag.EVAL_PAGE, this.tag.doStartTag());

		String output = getOutput();
		assertTagOpened(output);
		assertTagClosed(output);

		assertContainsAttribute(output, "type", getType());
		assertValueAttribute(output, HTML_ESCAPED_NAME);
	}

	protected void assertValueAttribute(String output, String expectedValue) {
		assertContainsAttribute(output, "value", expectedValue);
	}

	public void testComplexBind() throws Exception {
		this.tag.setPath("spouse.name");

		assertEquals(Tag.EVAL_PAGE, this.tag.doStartTag());

		String output = getOutput();
		assertTagOpened(output);
		assertTagClosed(output);

		assertContainsAttribute(output, "id", "spouse.name");
		assertContainsAttribute(output, "name", "spouse.name");
		assertContainsAttribute(output, "type", getType());
		assertValueAttribute(output, "Sally");
	}

	public void testWithAllAttributes() throws Exception {
		String title = "aTitle";
		String id = "123";
		String size = "12";
		String cssClass = "textfield";
		String cssStyle = "width:10px";
		String lang = "en";
		String dir = "ltr";
		String tabindex = "2";
		String disabled = "true";
		String onclick = "doClick()";
		String ondblclick = "doDblclick()";
		String onkeydown = "doKeydown()";
		String onkeypress = "doKeypress()";
		String onkeyup = "doKeyup()";
		String onmousedown = "doMouseDown()";
		String onmousemove = "doMouseMove()";
		String onmouseout = "doMouseOut()";
		String onmouseover = "doMouseOver()";
		String onmouseup = "doMouseUp()";
		String onfocus = "doFocus()";
		String onblur = "doBlur()";
		String onchange = "doChange()";
		String accesskey = "a";
		String maxlength = "12";
		String alt = "Some text";
		String onselect = "doSelect()";
		String readonly = "true";
		String autocomplete = "off";

		this.tag.setId(id);
		this.tag.setPath("name");
		this.tag.setSize(size);
		this.tag.setCssClass(cssClass);
		this.tag.setCssStyle(cssStyle);
		this.tag.setTitle(title);
		this.tag.setLang(lang);
		this.tag.setDir(dir);
		this.tag.setTabindex(tabindex);
		this.tag.setDisabled(disabled);
		this.tag.setOnclick(onclick);
		this.tag.setOndblclick(ondblclick);
		this.tag.setOnkeydown(onkeydown);
		this.tag.setOnkeypress(onkeypress);
		this.tag.setOnkeyup(onkeyup);
		this.tag.setOnmousedown(onmousedown);
		this.tag.setOnmousemove(onmousemove);
		this.tag.setOnmouseout(onmouseout);
		this.tag.setOnmouseover(onmouseover);
		this.tag.setOnmouseup(onmouseup);
		this.tag.setOnfocus(onfocus);
		this.tag.setOnblur(onblur);
		this.tag.setOnchange(onchange);
		this.tag.setAccesskey(accesskey);
		this.tag.setMaxlength(maxlength);
		this.tag.setAlt(alt);
		this.tag.setOnselect(onselect);
		this.tag.setReadonly(readonly);
		this.tag.setAutocomplete(autocomplete);

		assertEquals(Tag.EVAL_PAGE, this.tag.doStartTag());

		String output = getOutput();
		assertTagOpened(output);
		assertTagClosed(output);

		assertContainsAttribute(output, "type", getType());

		assertContainsAttribute(output, "id", id);
		assertValueAttribute(output, "Rob");
		assertContainsAttribute(output, "size", size);
		assertContainsAttribute(output, "class", cssClass);
		assertContainsAttribute(output, "style", cssStyle);
		assertContainsAttribute(output, "title", title);
		assertContainsAttribute(output, "lang", lang);
		assertContainsAttribute(output, "dir", dir);
		assertContainsAttribute(output, "tabindex", tabindex);
		assertContainsAttribute(output, "disabled", "disabled");
		assertContainsAttribute(output, "onclick", onclick);
		assertContainsAttribute(output, "ondblclick", ondblclick);
		assertContainsAttribute(output, "onkeydown", onkeydown);
		assertContainsAttribute(output, "onkeypress", onkeypress);
		assertContainsAttribute(output, "onkeyup", onkeyup);
		assertContainsAttribute(output, "onmousedown", onmousedown);
		assertContainsAttribute(output, "onmousemove", onmousemove);
		assertContainsAttribute(output, "onmouseout", onmouseout);
		assertContainsAttribute(output, "onmouseover", onmouseover);
		assertContainsAttribute(output, "onmouseup", onmouseup);
		assertContainsAttribute(output, "onfocus", onfocus);
		assertContainsAttribute(output, "onblur", onblur);
		assertContainsAttribute(output, "onchange", onchange);
		assertContainsAttribute(output, "accesskey", accesskey);
		assertContainsAttribute(output, "maxlength", maxlength);
		assertContainsAttribute(output, "alt", alt);
		assertContainsAttribute(output, "onselect", onselect);
		assertContainsAttribute(output, "readonly", "readonly");
		assertContainsAttribute(output, "autocomplete", autocomplete);
	}

	public void testWithNestedBind() throws Exception {
		NestedPathTag nestedPathTag = new NestedPathTag();
		nestedPathTag.setPath("spouse.");
		nestedPathTag.setPageContext(getPageContext());
		nestedPathTag.doStartTag();

		this.tag.setPath("name");

		assertEquals(Tag.EVAL_PAGE, this.tag.doStartTag());

		String output = getOutput();
		assertTagOpened(output);
		assertTagClosed(output);

		assertContainsAttribute(output, "type", getType());
		assertValueAttribute(output, "Sally");
	}

	public void testWithNestedBindTagWithinForm() throws Exception {
		NestedPathTag nestedPathTag = new NestedPathTag();
		nestedPathTag.setPath("spouse.");
		nestedPathTag.setPageContext(getPageContext());
		nestedPathTag.doStartTag();

		BindTag bindTag = new BindTag();
		bindTag.setPath("name");
		bindTag.setPageContext(getPageContext());
		bindTag.doStartTag();

		BindStatus bindStatus = (BindStatus) getPageContext().findAttribute(BindTag.STATUS_VARIABLE_NAME);
		assertEquals("Sally", bindStatus.getValue());
	}

	public void testWithErrors() throws Exception {
		this.tag.setPath("name");
		this.tag.setCssClass("good");
		this.tag.setCssErrorClass("bad");

		BeanPropertyBindingResult errors = new BeanPropertyBindingResult(this.rob, COMMAND_NAME);
		errors.rejectValue("name", "some.code", "Default Message");
		errors.rejectValue("name", "too.short", "Too Short");
		exposeBindingResult(errors);

		assertEquals(Tag.EVAL_PAGE, this.tag.doStartTag());

		String output = getOutput();
		assertTagOpened(output);
		assertTagClosed(output);

		assertContainsAttribute(output, "type", getType());
		assertValueAttribute(output, "Rob");
		assertContainsAttribute(output, "class", "bad");
	}

	public void testDisabledFalse() throws Exception {
		this.tag.setPath("name");
		this.tag.setDisabled("false");
		this.tag.doStartTag();

		String output = getOutput();
		assertAttributeNotPresent(output, "disabled");
	}

	public void testWithCustomBinder() throws Exception {
		this.tag.setPath("myFloat");

		BeanPropertyBindingResult errors = new BeanPropertyBindingResult(this.rob, COMMAND_NAME);
		errors.getPropertyAccessor().registerCustomEditor(Float.class, new SimpleFloatEditor());
		exposeBindingResult(errors);

		assertEquals(Tag.EVAL_PAGE, this.tag.doStartTag());

		String output = getOutput();
		assertTagOpened(output);
		assertTagClosed(output);

		assertContainsAttribute(output, "type", getType());
		assertValueAttribute(output, "12.34f");
	}

	/**
	 * See SPR-3127 (http://opensource.atlassian.com/projects/spring/browse/SPR-3127)
	 */
	public void testReadOnlyAttributeRenderingWhenReadonlyIsTrue() throws Exception {
		this.tag.setPath("name");
		this.tag.setReadonly("true");

		assertEquals(Tag.EVAL_PAGE, this.tag.doStartTag());

		String output = getOutput();
		assertTagOpened(output);
		assertTagClosed(output);

		assertContainsAttribute(output, "type", getType());
		assertContainsAttribute(output, "readonly", "readonly");
		assertValueAttribute(output, "Rob");
	}

	/**
	 * See SPR-3127 (http://opensource.atlassian.com/projects/spring/browse/SPR-3127)
	 */
	public void testReadOnlyAttributeRenderingWhenReadonlyIsFalse() throws Exception {
		this.tag.setPath("name");
		this.tag.setReadonly("nope, this is not readonly");

		assertEquals(Tag.EVAL_PAGE, this.tag.doStartTag());

		String output = getOutput();
		assertTagOpened(output);
		assertTagClosed(output);

		assertContainsAttribute(output, "type", getType());
		assertAttributeNotPresent(output, "readonly");
		assertValueAttribute(output, "Rob");
	}


	protected final void assertTagClosed(String output) {
		assertTrue("Tag not closed properly", output.endsWith("/>"));
	}

	protected final void assertTagOpened(String output) {
		assertTrue("Tag not opened properly", output.startsWith("<input "));
	}

	protected InputTag createTag(final Writer writer) {
		return new InputTag() {
			protected TagWriter createTagWriter() {
				return new TagWriter(writer);
			}
		};
	}

	protected String getType() {
		return "text";
	}

}