Example usage for javax.servlet.jsp PageContext REQUEST_SCOPE

Introduction

In this page you can find the example usage for javax.servlet.jsp PageContext REQUEST_SCOPE.

Prototype

int REQUEST_SCOPE

To view the source code for javax.servlet.jsp PageContext REQUEST_SCOPE.

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Document

Request scope: the named reference remains available from the ServletRequest associated with the Servlet until the current request is completed.

Usage

From source file:org.apache.struts.taglib.TestTagUtils.java

public void testMessageApplicationGoodKeyWithParams() {
    putBundleInScope(PageContext.REQUEST_SCOPE, true);

    String[] args = { "I love this" };

    String val = null;

    try {//from  w w  w.j ava  2  s.co m
        val = tagutils.message(pageContext, null, null, "foo.bar", args);
        assertTrue("Validate message value", "I love this bar".equals(val));
    } catch (JspException e) {
        fail("val should be \"bar\"");
    }
}

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From source file:org.apache.struts.taglib.TestTagUtils.java

public void testPresentBadKey() {
    putBundleInScope(PageContext.REQUEST_SCOPE, true);

    boolean result = false;

    try {//from www  .j  av  a  2  s  .com
        result = tagutils.present(pageContext, null, null, "foo.bar.not.exist");
        assertFalse("Value should be null", result);
    } catch (JspException e) {
        fail("An npe should have been thrown");
    } catch (NullPointerException e) {
        assertFalse("Correct behaviour", result);
    }
}

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From source file:org.apache.struts.taglib.TestTagUtils.java

public void testPresentGoodKey() {
    putBundleInScope(PageContext.REQUEST_SCOPE, true);

    boolean result = false;

    try {//from w  ww  .  j a v  a 2 s.com
        result = tagutils.present(pageContext, null, null, "foo");
        assertTrue("Key should have been found", result);
    } catch (JspException e) {
        fail("An exception should have been thrown");
    }
}

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From source file:org.apache.struts.taglib.tiles.InsertTag.java

/**
 * Get current component context.// w w  w  . j ava 2 s.  c  o  m
 */
private ComponentContext getCurrentContext() {
    if (cachedCurrentContext == null) {
        cachedCurrentContext = (ComponentContext) pageContext.getAttribute(ComponentConstants.COMPONENT_CONTEXT,
                PageContext.REQUEST_SCOPE);
    }

    return cachedCurrentContext;
}

---

From source file:org.apache.struts.taglib.tiles.InsertTag.java

/**
 * Process tag attribute "definition".//  w ww .  java 2s.  c o m
 * First, search definition in the factory, then create handler from this definition.
 * @param name Name of the definition.
 * @return Appropriate TagHandler.
 * @throws JspException- NoSuchDefinitionException No Definition  found for name.
 * @throws JspException- FactoryNotFoundException Can't find Definitions factory.
 * @throws JspException- DefinedComponentFactoryException General error in factory.
 * @throws JspException InstantiationException Can't create requested controller
 */
protected TagHandler processDefinitionName(String name) throws JspException {

    try {
        ComponentDefinition definition = TilesUtil.getDefinition(name,
                (HttpServletRequest) pageContext.getRequest(), pageContext.getServletContext());

        if (definition == null) { // is it possible ?
            throw new NoSuchDefinitionException();
        }

        return processDefinition(definition);

    } catch (NoSuchDefinitionException ex) {
        throw new JspException("Error -  Tag Insert : Can't get definition '" + definitionName
                + "'. Check if this name exist in definitions factory.");

    } catch (FactoryNotFoundException ex) {
        throw new JspException(ex.getMessage());

    } catch (DefinitionsFactoryException ex) {
        if (log.isDebugEnabled()) {
            ex.printStackTrace();
        }

        // Save exception to be able to show it later
        pageContext.setAttribute(Globals.EXCEPTION_KEY, ex, PageContext.REQUEST_SCOPE);
        throw new JspException(ex.getMessage());
    }
}

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From source file:org.apache.struts.taglib.tiles.util.TagUtils.java

/**
 * Store bean in requested context./* w  w  w  .java  2 s.  c  o m*/
 * If scope is <code>null</code>, save it in REQUEST_SCOPE context.
 *
 * @param pageContext Current pageContext.
 * @param name Name of the bean.
 * @param scope Scope under which bean is saved (page, request, session, application)
 *  or <code>null</code> to store in <code>request()</code> instead.
 * @param value Bean value to store.
 *
 * @exception JspException Scope name is not recognized as a valid scope
 */
public static void setAttribute(PageContext pageContext, String name, Object value, String scope)
        throws JspException {

    if (scope == null)
        pageContext.setAttribute(name, value, PageContext.REQUEST_SCOPE);
    else if (scope.equalsIgnoreCase("page"))
        pageContext.setAttribute(name, value, PageContext.PAGE_SCOPE);
    else if (scope.equalsIgnoreCase("request"))
        pageContext.setAttribute(name, value, PageContext.REQUEST_SCOPE);
    else if (scope.equalsIgnoreCase("session"))
        pageContext.setAttribute(name, value, PageContext.SESSION_SCOPE);
    else if (scope.equalsIgnoreCase("application"))
        pageContext.setAttribute(name, value, PageContext.APPLICATION_SCOPE);
    else {
        throw new JspException("Error - bad scope name '" + scope + "'");
    }
}

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From source file:org.apache.struts.taglib.tiles.util.TagUtils.java

/**
 * Store bean in REQUEST_SCOPE context.//from  w w  w .  jav  a  2 s  .  c  o m
 *
 * @param pageContext Current pageContext.
 * @param name Name of the bean.
 * @param beanValue Bean value to store.
 *
 * @exception JspException Scope name is not recognized as a valid scope
 */
public static void setAttribute(PageContext pageContext, String name, Object beanValue) throws JspException {
    pageContext.setAttribute(name, beanValue, PageContext.REQUEST_SCOPE);
}

---

From source file:org.apache.struts.taglib.tiles.util.TagUtils.java

/**
 * Save the specified exception as a request attribute for later use.
 *
 * @param pageContext The PageContext for the current page.
 * @param exception The exception to be saved.
 *//*from www .j  a v  a 2s.c  o m*/
public static void saveException(PageContext pageContext, Throwable exception) {
    pageContext.setAttribute(Globals.EXCEPTION_KEY, exception, PageContext.REQUEST_SCOPE);
}

---

From source file:org.apache.struts.tiles.taglib.InsertTag.java

/**
 * Process tag attribute "definition"./*w  ww  . j  av  a  2  s  . c  o m*/
 * First, search definition in the factory, then create handler from this definition.
 * @param name Name of the definition.
 * @return Appropriate TagHandler.
 * @throws JspException- NoSuchDefinitionException No Definition  found for name.
 * @throws JspException- FactoryNotFoundException Can't find Definitions factory.
 * @throws JspException- DefinedComponentFactoryException General error in factory.
 * @throws JspException InstantiationException Can't create requested controller
 */
protected TagHandler processDefinitionName(String name) throws JspException {

    try {
        ComponentDefinition definition = TilesUtil.getDefinition(name,
                (HttpServletRequest) pageContext.getRequest(), pageContext.getServletContext());

        if (definition == null) { // is it possible ?
            throw new NoSuchDefinitionException();
        }

        return processDefinition(definition);

    } catch (NoSuchDefinitionException ex) {
        throw new JspException("Error -  Tag Insert : Can't get definition '" + definitionName
                + "'. Check if this name exist in definitions factory.", ex);

    } catch (FactoryNotFoundException ex) {
        throw new JspException(ex.getMessage());

    } catch (DefinitionsFactoryException ex) {
        if (log.isDebugEnabled()) {
            ex.printStackTrace();
        }

        // Save exception to be able to show it later
        pageContext.setAttribute(Globals.EXCEPTION_KEY, ex, PageContext.REQUEST_SCOPE);
        throw new JspException(ex);
    }
}

---

From source file:org.apache.taglib.tiles.InsertTag.java

/**
 * Process tag attribute "definition"./*from w w w.  ja  v  a2s. c  o m*/
 * First, search definition in the factory, then create handler from this definition.
 * @param name Name of the definition.
 * @return Appropriate TagHandler.
 * @throws JspException- NoSuchDefinitionException No Definition  found for name.
 * @throws JspException- FactoryNotFoundException Can't find Definitions factory.
 * @throws JspException- DefinedComponentFactoryException General error in factory.
 * @throws JspException InstantiationException Can't create requested controller
 */
protected TagHandler processDefinitionName(String name) throws JspException {

    try {
        ComponentDefinition definition = TilesUtil.getDefinition(name,
                (HttpServletRequest) pageContext.getRequest(), pageContext.getServletContext());

        if (definition == null) { // is it possible ?
            throw new NoSuchDefinitionException();
        }

        return processDefinition(definition);

    } catch (NoSuchDefinitionException ex) {
        throw new JspException("Error -  Tag Insert : Can't get definition '" + definitionName
                + "'. Check if this name exist in definitions factory.");

    } catch (FactoryNotFoundException ex) {
        log.info("FACTORY NOT FOUND");
        String msg = (String) pageContext.getServletContext().getAttribute(Globals.TILES_INIT_EXCEPTION);
        throw new JspException(msg);

    } catch (DefinitionsFactoryException ex) {
        log.info("DEFINITIONS FACTORY EXCEPTION");
        if (log.isDebugEnabled()) {
            ex.printStackTrace();
        }

        // Save exception to be able to show it later
        pageContext.setAttribute(Globals.EXCEPTION_KEY, ex, PageContext.REQUEST_SCOPE);
        throw new JspException(ex.getMessage());
    }
}

---

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