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java.lang.Objectorg.apache.velocity.tools.struts.ValidatorTool
@DefaultKey(value="validator") @ValidScope(value="request") public class ValidatorTool
View tool that works with Struts Validator to produce client side javascript validation for your forms.
Usage:
Template example: $validator.getJavascript("nameOfYourForm") Toolbox configuration: <tools> <toolbox scope="request"> <tool class="org.apache.velocity.tools.struts.ValidatorTool"/> </toolbox> </tools>
This is an adaptation of the JavascriptValidatorTag from the Struts 1.1 validator library.
Field Summary | |
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protected javax.servlet.ServletContext |
app
A reference to the ServletContext |
protected ViewContext |
context
A reference to the ViewContext |
protected String |
jsFormName
formName is used for both Javascript and non-javascript validations. |
protected javax.servlet.http.HttpServletRequest |
request
A reference to the HttpServletRequest. |
protected org.apache.commons.validator.ValidatorResources |
resources
A reference to the ValidatorResources. |
protected javax.servlet.http.HttpSession |
session
A reference to the HttpSession. |
Constructor Summary | |
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ValidatorTool()
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Method Summary | |
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void |
configure(Map params)
Initializes this tool. |
protected List |
createActionList(org.apache.commons.validator.ValidatorResources resources,
org.apache.commons.validator.Form form)
Get List of actions for the given Form. |
protected String |
createMethods(List actions)
Creates the JavaScript methods list from the given actions. |
protected String |
escapeJavascript(String str)
Backslash-escapes the following characters from the input string: ", ', \, \r, \n. |
boolean |
getCdata()
Returns the cdata setting "true" or "false". |
String |
getDynamicJavascript()
Render just the dynamic JavaScript to perform validations based on the form name attribute of the action mapping associated with the current request (if such exists). |
String |
getDynamicJavascript(String formName)
Render just the dynamic JavaScript to perform validations based on the supplied form name. |
protected String |
getDynamicJavascript(org.apache.commons.validator.ValidatorResources resources,
Locale locale,
org.apache.commons.validator.Form form)
Generates the dynamic JavaScript for the form. |
boolean |
getHtmlComment()
Gets whether or not to delimit the JavaScript with html comments. |
String |
getJavascript()
Render both dynamic and static JavaScript to perform validations based on the form name attribute of the action mapping associated with the current request (if such exists). |
String |
getJavascript(String formName)
Render both dynamic and static JavaScript to perform validations based on the supplied form name. |
protected String |
getJavascript(String formName,
boolean getStatic)
Render both dynamic and static JavaScript to perform validations based on the supplied form name. |
protected String |
getJavascriptBegin(String methods)
Returns the opening script element and some initial javascript. |
protected String |
getJavascriptEnd()
Returns the closing script element. |
protected String |
getJavascriptStaticMethods(org.apache.commons.validator.ValidatorResources resources)
|
String |
getMethod()
Gets the method name that will be used for the Javascript validation method name if it has a value. |
int |
getPage()
Gets the current page number of a multi-part form. |
String |
getSrc()
Gets the src attribute's value when defining the html script element. |
String |
getStaticJavascript()
Render just the static JavaScript methods. |
void |
init(Object obj)
Deprecated. |
void |
setCdata(boolean cdata)
Sets the cdata status. |
void |
setHtmlComment(boolean htmlComment)
Sets whether or not to delimit the JavaScript with html comments. |
void |
setMethod(String methodName)
Sets the method name that will be used for the Javascript validation method name if it has a value. |
void |
setPage(int page)
Sets the current page number of a multi-part form. |
void |
setSrc(String src)
Sets the src attribute's value (used to include an external script resource) when defining the html script element. |
Methods inherited from class java.lang.Object |
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clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait |
Field Detail |
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protected ViewContext context
protected javax.servlet.ServletContext app
protected javax.servlet.http.HttpServletRequest request
protected javax.servlet.http.HttpSession session
protected org.apache.commons.validator.ValidatorResources resources
protected String jsFormName
Constructor Detail |
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public ValidatorTool()
Method Detail |
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@Deprecated public void init(Object obj)
public void configure(Map params)
params
- the Map of configuration parameters
IllegalArgumentException
- if the param is not a ViewContextpublic int getPage()
public void setPage(int page)
page
- the current page number of a multi-part formpublic String getMethod()
public void setMethod(String methodName)
methodName
- the method name that will be used for the Javascript validation method namepublic boolean getHtmlComment()
public void setHtmlComment(boolean htmlComment)
htmlComment
- whether or not to delimit the JavaScript with html commentspublic String getSrc()
public void setSrc(String src)
src
- the src attribute's valuepublic boolean getCdata()
public void setCdata(boolean cdata)
cdata
- The cdata to setpublic String getJavascript() throws Exception
Exception
public String getJavascript(String formName) throws Exception
formName
- the key (form name)
Exception
public String getDynamicJavascript() throws Exception
Exception
public String getStaticJavascript() throws Exception
Exception
public String getDynamicJavascript(String formName) throws Exception
formName
- the key (form name)
Exception
protected String getJavascript(String formName, boolean getStatic) throws Exception
formName
- the key (form name)getStatic
- indicates if the static methods should be rendered
Exception
protected String getDynamicJavascript(org.apache.commons.validator.ValidatorResources resources, Locale locale, org.apache.commons.validator.Form form)
resources
- the validator resourceslocale
- the locale for the current requestform
- the form to generate javascript for
protected String escapeJavascript(String str)
Backslash-escapes the following characters from the input string: ", ', \, \r, \n.
This method escapes characters that will result in an invalid Javascript statement within the validator Javascript.
str
- The string to escape.
s
with each instance of a double quote,
single quote, backslash, carriage-return, or line feed escaped
with a leading backslash.protected String createMethods(List actions)
actions
- A List of ValidatorAction objects.
protected List createActionList(org.apache.commons.validator.ValidatorResources resources, org.apache.commons.validator.Form form)
resources
- the validator resourcesform
- the form for which the actions are requested
protected String getJavascriptBegin(String methods)
methods
- javascript validation methods
protected String getJavascriptStaticMethods(org.apache.commons.validator.ValidatorResources resources)
resources
- the validation resources
protected String getJavascriptEnd()
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