org.springframework.web.servlet.tags.form.ErrorsTag.doStartTag java code examples

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@Test
public void withoutErrorsInstance() throws Exception {
  int result = this.tag.doStartTag();
  assertEquals(Tag.SKIP_BODY, result);
  result = this.tag.doEndTag();
  assertEquals(Tag.EVAL_PAGE, result);
  String output = getOutput();
  assertEquals(0, output.length());
}

@Test
public void withoutErrors() throws Exception {
  Errors errors = new BeanPropertyBindingResult(new TestBean(), "COMMAND_NAME");
  exposeBindingResult(errors);
  int result = this.tag.doStartTag();
  assertEquals(Tag.SKIP_BODY, result);
  result = this.tag.doEndTag();
  assertEquals(Tag.EVAL_PAGE, result);
  String output = getOutput();
  assertEquals(0, output.length());
}

@Test
public void starMatchesAllErrors() throws Exception {
  this.tag.setPath("*");
  Errors errors = new BeanPropertyBindingResult(new TestBean(), "COMMAND_NAME");
  errors.reject("some.code", "object error");
  errors.rejectValue("name", "some.code", "field error");
  exposeBindingResult(errors);
  this.tag.doStartTag();
  assertNotNull(getPageContext().getAttribute(ErrorsTag.MESSAGES_ATTRIBUTE));
  this.tag.doEndTag();
  String output = getOutput();
  assertTrue(output.contains("id=\"testBean.errors\""));
  assertTrue(output.contains("object error"));
  assertTrue(output.contains("field error"));
}

@Test
public void specificPathMatchesSpecificFieldOnly() throws Exception {
  this.tag.setPath("name");
  Errors errors = new BeanPropertyBindingResult(new TestBean(), "COMMAND_NAME");
  errors.reject("some.code", "object error");
  errors.rejectValue("name", "some.code", "field error");
  exposeBindingResult(errors);
  this.tag.doStartTag();
  assertNotNull(getPageContext().getAttribute(ErrorsTag.MESSAGES_ATTRIBUTE));
  this.tag.doEndTag();
  String output = getOutput();
  assertTrue(output.contains("id=\"name.errors\""));
  assertFalse(output.contains("object error"));
  assertTrue(output.contains("field error"));
}

/**
 * https://jira.spring.io/browse/SPR-4005
 */
@Test
public void omittedPathMatchesObjectErrorsOnly() throws Exception {
  this.tag.setPath(null);
  Errors errors = new BeanPropertyBindingResult(new TestBean(), "COMMAND_NAME");
  errors.reject("some.code", "object error");
  errors.rejectValue("name", "some.code", "field error");
  exposeBindingResult(errors);
  this.tag.doStartTag();
  assertNotNull(getPageContext().getAttribute(ErrorsTag.MESSAGES_ATTRIBUTE));
  this.tag.doEndTag();
  String output = getOutput();
  assertTrue(output.contains("id=\"testBean.errors\""));
  assertTrue(output.contains("object error"));
  assertFalse(output.contains("field error"));
}

private void assertWhenNoErrorsExistingMessagesInScopeAreNotClobbered(int scope) throws JspException {
  String existingAttribute = "something";
  getPageContext().setAttribute(ErrorsTag.MESSAGES_ATTRIBUTE, existingAttribute, scope);
  Errors errors = new BeanPropertyBindingResult(new TestBean(), "COMMAND_NAME");
  exposeBindingResult(errors);
  int result = this.tag.doStartTag();
  assertEquals(Tag.SKIP_BODY, result);
  result = this.tag.doEndTag();
  assertEquals(Tag.EVAL_PAGE, result);
  String output = getOutput();
  assertEquals(0, output.length());
  assertEquals(existingAttribute, getPageContext().getAttribute(ErrorsTag.MESSAGES_ATTRIBUTE, scope));
}

@Test
public void withExplicitNonWhitespaceBodyContent() throws Exception {
  String mockContent = "This is some explicit body content";
  this.tag.setBodyContent(new MockBodyContent(mockContent, getWriter()));
  // construct an errors instance of the tag
  TestBean target = new TestBean();
  target.setName("Rob Harrop");
  Errors errors = new BeanPropertyBindingResult(target, COMMAND_NAME);
  errors.rejectValue("name", "some.code", "Default Message");
  exposeBindingResult(errors);
  int result = this.tag.doStartTag();
  assertEquals(BodyTag.EVAL_BODY_BUFFERED, result);
  result = this.tag.doEndTag();
  assertEquals(Tag.EVAL_PAGE, result);
  assertEquals(mockContent, getOutput());
}

@Test
public void withExplicitEmptyWhitespaceBodyContent() throws Exception {
  this.tag.setBodyContent(new MockBodyContent("", getWriter()));
  // construct an errors instance of the tag
  TestBean target = new TestBean();
  target.setName("Rob Harrop");
  Errors errors = new BeanPropertyBindingResult(target, COMMAND_NAME);
  errors.rejectValue("name", "some.code", "Default Message");
  exposeBindingResult(errors);
  int result = this.tag.doStartTag();
  assertEquals(BodyTag.EVAL_BODY_BUFFERED, result);
  result = this.tag.doEndTag();
  assertEquals(Tag.EVAL_PAGE, result);
  String output = getOutput();
  assertElementTagOpened(output);
  assertElementTagClosed(output);
  assertContainsAttribute(output, "id", "name.errors");
  assertBlockTagContains(output, "Default Message");
}

@Test
public void withEscapedErrors() throws Exception {
  // construct an errors instance of the tag
  TestBean target = new TestBean();
  target.setName("Rob Harrop");
  Errors errors = new BeanPropertyBindingResult(target, COMMAND_NAME);
  errors.rejectValue("name", "some.code", "Default <> Message");
  errors.rejectValue("name", "too.short", "Too & Short");
  exposeBindingResult(errors);
  int result = this.tag.doStartTag();
  assertEquals(BodyTag.EVAL_BODY_BUFFERED, result);
  result = this.tag.doEndTag();
  assertEquals(Tag.EVAL_PAGE, result);
  String output = getOutput();
  assertElementTagOpened(output);
  assertElementTagClosed(output);
  assertContainsAttribute(output, "id", "name.errors");
  assertBlockTagContains(output, "<br/>");
  assertBlockTagContains(output, "Default &lt;&gt; Message");
  assertBlockTagContains(output, "Too &amp; Short");
}

@Test
public void withExplicitWhitespaceBodyContent() throws Exception {
  this.tag.setBodyContent(new MockBodyContent("\t\n   ", getWriter()));
  // construct an errors instance of the tag
  TestBean target = new TestBean();
  target.setName("Rob Harrop");
  Errors errors = new BeanPropertyBindingResult(target, COMMAND_NAME);
  errors.rejectValue("name", "some.code", "Default Message");
  exposeBindingResult(errors);
  int result = this.tag.doStartTag();
  assertEquals(BodyTag.EVAL_BODY_BUFFERED, result);
  result = this.tag.doEndTag();
  assertEquals(Tag.EVAL_PAGE, result);
  String output = getOutput();
  assertElementTagOpened(output);
  assertElementTagClosed(output);
  assertContainsAttribute(output, "id", "name.errors");
  assertBlockTagContains(output, "Default Message");
}

@Test
public void withErrors() throws Exception {
  // construct an errors instance of the tag
  TestBean target = new TestBean();
  target.setName("Rob Harrop");
  Errors errors = new BeanPropertyBindingResult(target, COMMAND_NAME);
  errors.rejectValue("name", "some.code", "Default Message");
  errors.rejectValue("name", "too.short", "Too Short");
  exposeBindingResult(errors);
  int result = this.tag.doStartTag();
  assertEquals(BodyTag.EVAL_BODY_BUFFERED, result);
  result = this.tag.doEndTag();
  assertEquals(Tag.EVAL_PAGE, result);
  String output = getOutput();
  assertElementTagOpened(output);
  assertElementTagClosed(output);
  assertContainsAttribute(output, "id", "name.errors");
  assertBlockTagContains(output, "<br/>");
  assertBlockTagContains(output, "Default Message");
  assertBlockTagContains(output, "Too Short");
}

@Test
public void withErrorsAndCustomElement() throws Exception {
  // construct an errors instance of the tag
  TestBean target = new TestBean();
  target.setName("Rob Harrop");
  Errors errors = new BeanPropertyBindingResult(target, COMMAND_NAME);
  errors.rejectValue("name", "some.code", "Default Message");
  errors.rejectValue("name", "too.short", "Too Short");
  exposeBindingResult(errors);
  this.tag.setElement("div");
  int result = this.tag.doStartTag();
  assertEquals(BodyTag.EVAL_BODY_BUFFERED, result);
  result = this.tag.doEndTag();
  assertEquals(Tag.EVAL_PAGE, result);
  String output = getOutput();
  assertElementTagOpened(output);
  assertElementTagClosed(output);
  assertContainsAttribute(output, "id", "name.errors");
  assertBlockTagContains(output, "<br/>");
  assertBlockTagContains(output, "Default Message");
  assertBlockTagContains(output, "Too Short");
}

@Test
public void withNonEscapedErrors() throws Exception {
  this.tag.setHtmlEscape(false);
  // construct an errors instance of the tag
  TestBean target = new TestBean();
  target.setName("Rob Harrop");
  Errors errors = new BeanPropertyBindingResult(target, COMMAND_NAME);
  errors.rejectValue("name", "some.code", "Default <> Message");
  errors.rejectValue("name", "too.short", "Too & Short");
  exposeBindingResult(errors);
  int result = this.tag.doStartTag();
  assertEquals(BodyTag.EVAL_BODY_BUFFERED, result);
  result = this.tag.doEndTag();
  assertEquals(Tag.EVAL_PAGE, result);
  String output = getOutput();
  assertElementTagOpened(output);
  assertElementTagClosed(output);
  assertContainsAttribute(output, "id", "name.errors");
  assertBlockTagContains(output, "<br/>");
  assertBlockTagContains(output, "Default <> Message");
  assertBlockTagContains(output, "Too & Short");
}

@Test
public void asBodyTag() throws Exception {
  Errors errors = new BeanPropertyBindingResult(new TestBean(), "COMMAND_NAME");
  errors.rejectValue("name", "some.code", "Default Message");
  errors.rejectValue("name", "too.short", "Too Short");
  exposeBindingResult(errors);
  int result = this.tag.doStartTag();
  assertEquals(BodyTag.EVAL_BODY_BUFFERED, result);
  assertNotNull(getPageContext().getAttribute(ErrorsTag.MESSAGES_ATTRIBUTE));
  String bodyContent = "Foo";
  this.tag.setBodyContent(new MockBodyContent(bodyContent, getWriter()));
  this.tag.doEndTag();
  this.tag.doFinally();
  assertEquals(bodyContent, getOutput());
  assertNull(getPageContext().getAttribute(ErrorsTag.MESSAGES_ATTRIBUTE));
}

@Test
public void withErrorsAndDynamicAttributes() throws Exception {
  String dynamicAttribute1 = "attr1";
  String dynamicAttribute2 = "attr2";
  this.tag.setDynamicAttribute(null, dynamicAttribute1, dynamicAttribute1);
  this.tag.setDynamicAttribute(null, dynamicAttribute2, dynamicAttribute2);
  // construct an errors instance of the tag
  TestBean target = new TestBean();
  target.setName("Rob Harrop");
  Errors errors = new BeanPropertyBindingResult(target, COMMAND_NAME);
  errors.rejectValue("name", "some.code", "Default Message");
  errors.rejectValue("name", "too.short", "Too Short");
  exposeBindingResult(errors);
  int result = this.tag.doStartTag();
  assertEquals(BodyTag.EVAL_BODY_BUFFERED, result);
  result = this.tag.doEndTag();
  assertEquals(Tag.EVAL_PAGE, result);
  String output = getOutput();
  assertElementTagOpened(output);
  assertElementTagClosed(output);
  assertContainsAttribute(output, "id", "name.errors");
  assertContainsAttribute(output, dynamicAttribute1, dynamicAttribute1);
  assertContainsAttribute(output, dynamicAttribute2, dynamicAttribute2);
  assertBlockTagContains(output, "<br/>");
  assertBlockTagContains(output, "Default Message");
  assertBlockTagContains(output, "Too Short");
}

@Test
public void asBodyTagWithExistingMessagesAttribute() throws Exception {
  String existingAttribute = "something";
  getPageContext().setAttribute(ErrorsTag.MESSAGES_ATTRIBUTE, existingAttribute);
  Errors errors = new BeanPropertyBindingResult(new TestBean(), "COMMAND_NAME");
  errors.rejectValue("name", "some.code", "Default Message");
  errors.rejectValue("name", "too.short", "Too Short");
  exposeBindingResult(errors);
  int result = this.tag.doStartTag();
  assertEquals(BodyTag.EVAL_BODY_BUFFERED, result);
  assertNotNull(getPageContext().getAttribute(ErrorsTag.MESSAGES_ATTRIBUTE));
  assertTrue(getPageContext().getAttribute(ErrorsTag.MESSAGES_ATTRIBUTE) instanceof List);
  String bodyContent = "Foo";
  this.tag.setBodyContent(new MockBodyContent(bodyContent, getWriter()));
  this.tag.doEndTag();
  this.tag.doFinally();
  assertEquals(bodyContent, getOutput());
  assertEquals(existingAttribute, getPageContext().getAttribute(ErrorsTag.MESSAGES_ATTRIBUTE));
}

/**
 * https://jira.spring.io/browse/SPR-2788
 */
@Test
public void asBodyTagWithErrorsAndExistingMessagesAttributeInNonPageScopeAreNotClobbered() throws Exception {
  String existingAttribute = "something";
  getPageContext().setAttribute(ErrorsTag.MESSAGES_ATTRIBUTE, existingAttribute, PageContext.APPLICATION_SCOPE);
  Errors errors = new BeanPropertyBindingResult(new TestBean(), "COMMAND_NAME");
  errors.rejectValue("name", "some.code", "Default Message");
  errors.rejectValue("name", "too.short", "Too Short");
  exposeBindingResult(errors);
  int result = this.tag.doStartTag();
  assertEquals(BodyTag.EVAL_BODY_BUFFERED, result);
  assertNotNull(getPageContext().getAttribute(ErrorsTag.MESSAGES_ATTRIBUTE));
  assertTrue(getPageContext().getAttribute(ErrorsTag.MESSAGES_ATTRIBUTE) instanceof List);
  String bodyContent = "Foo";
  this.tag.setBodyContent(new MockBodyContent(bodyContent, getWriter()));
  this.tag.doEndTag();
  this.tag.doFinally();
  assertEquals(bodyContent, getOutput());
  assertEquals(existingAttribute,
      getPageContext().getAttribute(ErrorsTag.MESSAGES_ATTRIBUTE, PageContext.APPLICATION_SCOPE));
}

errorsTag.doStartTag();
errorsTag.doEndTag();

errorsTag.setPageContext( pageContext );
errorsTag.setPath( path );
errorsTag.doStartTag();
JspWriter out = pageContext.pushBody();
out.print( "<span class=\"zsa-validationerror-flag\"></span>" );

Popular methods of ErrorsTag

getElement
Get the HTML element must be used to render the error messages.
doEndTag
evaluate
getDelimiter
Return the delimiter to be used between error messages.
getPropertyPath
setPageContext
setPath
writeDefaultAttributes
<init>
getBindStatus
getDisplayString
setBodyContent

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How to use doStartTagmethodin org.springframework.web.servlet.tags.form.ErrorsTag

Best Java code snippets using org.springframework.web.servlet.tags.form.ErrorsTag.doStartTag (Showing top 19 results out of 315)

How to use
doStartTag
method
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org.springframework.web.servlet.tags.form.ErrorsTag