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com.opensymphony.xwork2.ActionSupport Maven / Gradle / Ivy
XWork is an command-pattern framework that is used to power WebWork
as well as other applications. XWork provides an Inversion of Control
container, a powerful expression language, data type conversion,
validation, and pluggable configuration.
/*
* Copyright (c) 2002-2006 by OpenSymphony
* All rights reserved.
*/
package com.opensymphony.xwork2;
import com.opensymphony.xwork2.util.ValueStack;
import com.opensymphony.xwork2.util.logging.Logger;
import com.opensymphony.xwork2.util.logging.LoggerFactory;
import java.io.Serializable;
import java.util.*;
/**
* Provides a default implementation for the most common actions.
* See the documentation for all the interfaces this class implements for more detailed information.
*/
public class ActionSupport implements Action, Validateable, ValidationAware, TextProvider, LocaleProvider, Serializable {
protected static Logger LOG = LoggerFactory.getLogger(ActionSupport.class);
private final transient TextProvider textProvider = new TextProviderFactory().createInstance(getClass(), this);
private final ValidationAwareSupport validationAware = new ValidationAwareSupport();
public void setActionErrors(Collection errorMessages) {
validationAware.setActionErrors(errorMessages);
}
public Collection getActionErrors() {
return validationAware.getActionErrors();
}
public void setActionMessages(Collection messages) {
validationAware.setActionMessages(messages);
}
public Collection getActionMessages() {
return validationAware.getActionMessages();
}
/**
* @deprecated Use {@link #getActionErrors()}.
*/
@Deprecated public Collection getErrorMessages() {
return getActionErrors();
}
/**
* @deprecated Use {@link #getFieldErrors()}.
*/
@Deprecated public Map> getErrors() {
return getFieldErrors();
}
public void setFieldErrors(Map> errorMap) {
validationAware.setFieldErrors(errorMap);
}
public Map> getFieldErrors() {
return validationAware.getFieldErrors();
}
public Locale getLocale() {
ActionContext ctx = ActionContext.getContext();
if (ctx != null) {
return ctx.getLocale();
} else {
LOG.debug("Action context not initialized");
return null;
}
}
public boolean hasKey(String key) {
return textProvider.hasKey(key);
}
public String getText(String aTextName) {
return textProvider.getText(aTextName);
}
public String getText(String aTextName, String defaultValue) {
return textProvider.getText(aTextName, defaultValue);
}
public String getText(String aTextName, String defaultValue, String obj) {
return textProvider.getText(aTextName, defaultValue, obj);
}
public String getText(String aTextName, List args) {
return textProvider.getText(aTextName, args);
}
public String getText(String key, String[] args) {
return textProvider.getText(key, args);
}
public String getText(String aTextName, String defaultValue, List args) {
return textProvider.getText(aTextName, defaultValue, args);
}
public String getText(String key, String defaultValue, String[] args) {
return textProvider.getText(key, defaultValue, args);
}
public String getText(String key, String defaultValue, List args, ValueStack stack) {
return textProvider.getText(key, defaultValue, args, stack);
}
public String getText(String key, String defaultValue, String[] args, ValueStack stack) {
return textProvider.getText(key, defaultValue, args, stack);
}
public ResourceBundle getTexts() {
return textProvider.getTexts();
}
public ResourceBundle getTexts(String aBundleName) {
return textProvider.getTexts(aBundleName);
}
public void addActionError(String anErrorMessage) {
validationAware.addActionError(anErrorMessage);
}
public void addActionMessage(String aMessage) {
validationAware.addActionMessage(aMessage);
}
public void addFieldError(String fieldName, String errorMessage) {
validationAware.addFieldError(fieldName, errorMessage);
}
public String input() throws Exception {
return INPUT;
}
public String doDefault() throws Exception {
return SUCCESS;
}
/**
* A default implementation that does nothing an returns "success".
*
* Subclasses should override this method to provide their business logic.
*
* See also {@link com.opensymphony.xwork2.Action#execute()}.
*
* @return returns {@link #SUCCESS}
* @throws Exception can be thrown by subclasses.
*/
public String execute() throws Exception {
return SUCCESS;
}
public boolean hasActionErrors() {
return validationAware.hasActionErrors();
}
public boolean hasActionMessages() {
return validationAware.hasActionMessages();
}
public boolean hasErrors() {
return validationAware.hasErrors();
}
public boolean hasFieldErrors() {
return validationAware.hasFieldErrors();
}
/**
* Clears field errors. Useful for Continuations and other situations
* where you might want to clear parts of the state on the same action.
*/
public void clearFieldErrors() {
validationAware.clearFieldErrors();
}
/**
* Clears action errors. Useful for Continuations and other situations
* where you might want to clear parts of the state on the same action.
*/
public void clearActionErrors() {
validationAware.clearActionErrors();
}
/**
* Clears messages. Useful for Continuations and other situations
* where you might want to clear parts of the state on the same action.
*/
public void clearMessages() {
validationAware.clearMessages();
}
/**
* Clears all errors. Useful for Continuations and other situations
* where you might want to clear parts of the state on the same action.
*/
public void clearErrors() {
validationAware.clearErrors();
}
/**
* Clears all errors and messages. Useful for Continuations and other situations
* where you might want to clear parts of the state on the same action.
*/
public void clearErrorsAndMessages() {
validationAware.clearErrorsAndMessages();
}
/**
* A default implementation that validates nothing.
* Subclasses should override this method to provide validations.
*/
public void validate() {
}
@Override public Object clone() throws CloneNotSupportedException {
return super.clone();
}
/**
*
* Stops the action invocation immediately (by throwing a PauseException) and causes the action invocation to return
* the specified result, such as {@link #SUCCESS}, {@link #INPUT}, etc.
*
*
* The next time this action is invoked (and using the same continuation ID), the method will resume immediately
* after where this method was called, with the entire call stack in the execute method restored.
*
*
* Note: this method can only be called within the {@link #execute()} method.
*
*
* @param result the result to return - the same type of return value in the {@link #execute()} method.
*/
public void pause(String result) {
}
}
