Example usage for javax.servlet.jsp PageContext getRequest

Introduction

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

Prototype

abstract public ServletRequest getRequest();

Source Link

Document

The current value of the request object (a ServletRequest).

Usage

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

/**
 * Search attribute in different contexts.
 * First, check in component context, then use pageContext.findAttribute().
 * @param beanName Name of bean to retrieve.
 * @param pageContext Current pageContext.
 * @return Requested bean or <code>null</code> if not found.
 *//*ww w.  jav  a  2  s.c om*/
public static Object findAttribute(String beanName, PageContext pageContext) {
    ComponentContext compContext = ComponentContext.getContext(pageContext.getRequest());

    if (compContext != null) {
        Object attribute = compContext.findAttribute(beanName, pageContext);
        if (attribute != null) {
            return attribute;
        }
    }

    // Search in pageContext scopes
    return pageContext.findAttribute(beanName);
}

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

/**
 * Get object from requested context. Return <code>null</code> if not found.
 * Context can be "component" or normal JSP contexts.
 * @param beanName Name of bean to retrieve.
 * @param scope Scope from which bean must be retrieved.
 * @param pageContext Current pageContext.
 * @return Requested bean or <code>null</code> if not found.
 *//*from  w  ww  .  j  a v a  2s.  c  om*/
public static Object getAttribute(String beanName, int scope, PageContext pageContext) {
    if (scope == ComponentConstants.COMPONENT_SCOPE) {
        ComponentContext compContext = ComponentContext.getContext(pageContext.getRequest());
        return compContext.getAttribute(beanName);
    }
    return pageContext.getAttribute(beanName, scope);
}

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

/**
 * Get component definition by its name.
 * @param name Definition name.//from w  ww .  j  av  a2  s .  c o  m
 * @param pageContext The PageContext for the current page.
 * @throws JspException -
 */
public static ComponentDefinition getComponentDefinition(String name, PageContext pageContext)
        throws JspException {

    try {
        return TilesUtil.getDefinition(name, pageContext.getRequest(), pageContext.getServletContext());

    } catch (NoSuchDefinitionException ex) {
        throw new JspException("Error : Can't get component definition for '" + name
                + "'. Check if this name exist in component definitions.");
    } catch (FactoryNotFoundException ex) { // factory not found.
        throw new JspException(ex.getMessage());

    } catch (DefinitionsFactoryException ex) {
        if (debug)
            ex.printStackTrace();
        // Save exception to be able to show it later
        saveException(pageContext, ex);
        throw new JspException(ex.getMessage());
    }
}

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

/**
 * Get component definition by its name.
 * @param name Definition name.//from ww w .  j  a  v  a 2s  .  co m
 * @param pageContext The PageContext for the current page.
 * @throws JspException -
 */
public static ComponentDefinition getComponentDefinition(String name, PageContext pageContext)
        throws JspException {

    try {
        return TilesUtil.getDefinition(name, pageContext.getRequest(), pageContext.getServletContext());

    } catch (NoSuchDefinitionException ex) {
        throw new JspException("Error : Can't get component definition for '" + name
                + "'. Check if this name exist in component definitions.", ex);
    } catch (FactoryNotFoundException ex) { // factory not found.
        throw new JspException(ex);

    } catch (DefinitionsFactoryException ex) {
        if (debug)
            ex.printStackTrace();
        // Save exception to be able to show it later
        saveException(pageContext, ex);
        throw new JspException(ex);
    }
}

---

From source file:org.apache.struts2.components.template.JspTemplateEngine.java

public void renderTemplate(TemplateRenderingContext templateContext) throws Exception {
    Template template = templateContext.getTemplate();

    if (LOG.isDebugEnabled()) {
        LOG.debug("Trying to render template " + template + ", repeating through parents until we succeed");
    }//from   w ww . ja va2s. c o m
    UIBean tag = templateContext.getTag();
    ValueStack stack = templateContext.getStack();
    stack.push(tag);
    PageContext pageContext = (PageContext) stack.getContext().get(ServletActionContext.PAGE_CONTEXT);
    List templates = template.getPossibleTemplates(this);
    Exception exception = null;
    boolean success = false;
    for (Iterator iterator = templates.iterator(); iterator.hasNext();) {
        Template t = (Template) iterator.next();
        try {
            Include.include(getFinalTemplateName(t), pageContext.getOut(), pageContext.getRequest(),
                    (HttpServletResponse) pageContext.getResponse());
            success = true;
            break;
        } catch (Exception e) {
            if (exception == null) {
                exception = e;
            }
        }
    }

    if (!success) {
        LOG.error("Could not render JSP template " + templateContext.getTemplate());

        if (exception != null) {
            throw exception;
        } else {
            return;
        }
    }

    stack.pop();
}

---

From source file:org.apache.tiles.jsp.context.JspTilesRequestContext.java

/**
 * Constructor./*  w w  w.  ja v a2 s .c  o  m*/
 *
 * @param context The servlet context to use.
 * @param pageContext The page context to use.
 */
public JspTilesRequestContext(ServletContext context, PageContext pageContext) {
    super(context, (HttpServletRequest) pageContext.getRequest(),
            (HttpServletResponse) pageContext.getResponse());
    this.pageContext = pageContext;
}

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From source file:org.broadleafcommerce.core.web.catalog.taglib.SearchFilterItemTag.java

protected String getUrl(Category category) {
    PageContext pageContext = (PageContext) getJspContext();
    HttpServletRequest request = (HttpServletRequest) pageContext.getRequest();
    StringBuffer sb = new StringBuffer();
    sb.append("<a href=\"");
    sb.append(request.getContextPath());
    sb.append("/");
    sb.append(category.getGeneratedUrl());
    sb.append("\">");
    sb.append(category.getName());/*from w w  w  . j  a  va 2  s .  c  om*/
    sb.append("</a>");

    return sb.toString();
}

---

From source file:org.codelabor.system.web.taglib.PaginationTag.java

@Override
public void doTag() throws JspException, IOException {
    logger.debug("doTag");

    // if numberOfRow is 0, do nothing
    if (numberOfRow == 0) {
        return;/*from ww  w  .  ja v  a2  s.  co m*/
    }

    PageContext context = (PageContext) this.getJspContext();
    HttpServletRequest request = (HttpServletRequest) context.getRequest();
    JspWriter out = context.getOut();

    // queryString
    queryString = request.getQueryString();

    // max row per page
    String maxRowPerPageString = request.getParameter(maxRowPerPageParamName);
    if (!StringUtils.isBlank(maxRowPerPageString)) {
        maxRowPerPage = Integer.parseInt(maxRowPerPageString);
    }

    // total count
    int totalPageCount = (int) Math.ceil((double) numberOfRow / (double) maxRowPerPage);

    // page number
    int firstPageNo = 1;
    lastPageNo = totalPageCount;
    currentPageNo = 1;
    String pageNoString = request.getParameter(pageNoParamName);
    if (!StringUtils.isBlank(pageNoString)) {
        currentPageNo = Integer.parseInt(pageNoString);
    }

    // validation
    if (currentPageNo > lastPageNo) {
        StringBuilder sb = new StringBuilder();
        sb.append(pageNoParamName).append(" is exeeded.");
        sb.append(" (");
        sb.append("requested page number: ").append(currentPageNo).append(", ");
        sb.append("last page number: ").append(lastPageNo).append(")");
        throw new JspException(sb.toString());
    }

    // current index
    lastPageNoOnCurrentIndex = ((int) Math.ceil((double) currentPageNo / (double) maxIndexPerPage))
            * maxIndexPerPage;
    firstPageNoOnCurrentIndex = (lastPageNoOnCurrentIndex - maxIndexPerPage) + 1;

    // compensate page number
    if (lastPageNoOnCurrentIndex > lastPageNo) {
        lastPageNoOnCurrentIndex = lastPageNo;
    }

    // first page number on previous, next index
    firstPageNoOnPreviousIndex = firstPageNoOnCurrentIndex - maxIndexPerPage;
    firstPageNoOnNextIndex = lastPageNoOnCurrentIndex + 1;

    // compensate page number
    if (firstPageNoOnPreviousIndex < firstPageNo) {
        firstPageNoOnPreviousIndex = firstPageNo;
    }
    if (firstPageNoOnNextIndex > lastPageNo) {
        firstPageNoOnNextIndex = lastPageNo;
    }

    // first page number of first index
    firstPageNoOnFirstIndex = firstPageNo;

    // last page number of last index
    lastPageNoOnLastIndex = ((int) Math.ceil((double) numberOfRow / (double) maxRowPerPage));

    // debug
    logger.debug("queryString: {}", queryString);
    logger.debug("numberOfRow: {}", numberOfRow);
    logger.debug("totalPageCount: {}", totalPageCount);
    logger.debug("firstPageNo: {}", firstPageNo);
    logger.debug("lastPageNo: {}", lastPageNo);

    // write html tag
    StringBuilder sb = new StringBuilder();
    StringWriter sw = new StringWriter();
    sb.append("<div");
    if (!StringUtils.isBlank(cssClass)) {
        sb.append(" class=\"").append(cssClass).append("\"");
    }
    sb.append(" />");
    getJspBody().invoke(sw);
    sb.append(sw.getBuffer());
    sb.append("</ div>");
    out.print(sb.toString());
}

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From source file:org.displaytag.decorator.CheckboxTableDecorator.java

/**
 * @see org.displaytag.decorator.Decorator#init(javax.servlet.jsp.PageContext, java.lang.Object,
 * org.displaytag.model.TableModel)/* ww  w . j av a 2s.c o  m*/
 */
public void init(PageContext pageContext, Object decorated, TableModel tableModel) {
    super.init(pageContext, decorated, tableModel);
    String[] params = pageContext.getRequest().getParameterValues(fieldName);
    checkedIds = params != null ? new ArrayList(Arrays.asList(params)) : new ArrayList(0);
}

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From source file:org.displaytag.localization.I18nSpringAdapter.java

/**
 * @see I18nResourceProvider#getResource(String, String, Tag, PageContext)
 *///w  w w.j a v a 2 s.  c o m
public String getResource(String resourceKey, String defaultValue, Tag tag, PageContext pageContext) {
    MessageSource messageSource = RequestContextUtils.getWebApplicationContext(pageContext.getRequest());
    if (messageSource == null) {
        log.warn("messageSource not found");
        return null;
    }

    // if resourceKey isn't defined either, use defaultValue
    String key = (resourceKey != null) ? resourceKey : defaultValue;

    String message = null;

    message = messageSource.getMessage(key, null, null,
            RequestContextUtils.getLocale((HttpServletRequest) pageContext.getRequest()));

    // if user explicitely added a titleKey we guess this is an error
    if (message == null && resourceKey != null) {
        log.debug(Messages.getString("Localization.missingkey", resourceKey)); //$NON-NLS-1$
        message = UNDEFINED_KEY + resourceKey + UNDEFINED_KEY;
    }

    return message;

}

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