editblogentryaction.java

### File Source: editblogentryaction.java

             /*
        P/P   *  Method: net.sourceforge.pebble.web.action.EditBlogEntryAction__static_init
              */
         1  /*
         2   * Copyright (c) 2003-2006, Simon Brown
         3   * All rights reserved.
         4   *
         5   * Redistribution and use in source and binary forms, with or without
         6   * modification, are permitted provided that the following conditions are met:
         7   *
         8   *   - Redistributions of source code must retain the above copyright
         9   *     notice, this list of conditions and the following disclaimer.
        10   *
        11   *   - Redistributions in binary form must reproduce the above copyright
        12   *     notice, this list of conditions and the following disclaimer in
        13   *     the documentation and/or other materials provided with the
        14   *     distribution.
        15   *
        16   *   - Neither the name of Pebble nor the names of its contributors may
        17   *     be used to endorse or promote products derived from this software
        18   *     without specific prior written permission.
        19   *
        20   * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
        21   * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
        22   * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
        23   * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
        24   * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
        25   * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
        26   * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
        27   * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
        28   * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
        29   * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
        30   * POSSIBILITY OF SUCH DAMAGE.
        31   */
        32  package net.sourceforge.pebble.web.action;
        33
        34  import net.sourceforge.pebble.domain.BlogEntry;
        35  import net.sourceforge.pebble.domain.Blog;
        36  import net.sourceforge.pebble.domain.BlogService;
        37  import net.sourceforge.pebble.domain.BlogServiceException;
        38  import net.sourceforge.pebble.web.view.View;
        39  import net.sourceforge.pebble.web.view.NotFoundView;
        40  import net.sourceforge.pebble.web.view.impl.BlogEntryFormView;
        41  import net.sourceforge.pebble.Constants;
        42
             /*
        P/P   *  Method: void net.sourceforge.pebble.web.action.EditBlogEntryAction()
              */
        43  import javax.servlet.http.HttpServletRequest;
        44  import javax.servlet.http.HttpServletResponse;
        45  import javax.servlet.ServletException;
        46
        47  /**
        48   * Edits an existing blog entry. This is called to populate a HTML
        49   * form containing the contents of the blog entry.
        50   *
        51   * @author    Simon Brown
        52   */
        53  public class EditBlogEntryAction extends SecureAction {
        54
        55    /**
        56     * Peforms the processing associated with this action.
        57     *
        58     * @param request  the HttpServletRequest instance
        59     * @param response the HttpServletResponse instance
        60     * @return the name of the next view
        61     */
        62    public View process(HttpServletRequest request, HttpServletResponse response) throws ServletException {
                 /*
        P/P       *  Method: View process(HttpServletRequest, HttpServletResponse)
                  *
                  *  Preconditions:
                  *    request != null
                  *    this.model != null
                  *    this.model.data != null
                  *
                  *  Postconditions:
                  *    return_value in Addr_Set{&new BlogEntryFormView(process#4),&new NotFoundView(process#3)}
                  *    new BlogEntryFormView(process#4) num objects <= 1
                  *    new NotFoundView(process#3) num objects <= 1
                  *
                  *  Test Vectors:
                  *    net.sourceforge.pebble.domain.BlogService:getBlogEntry(...)@67: Inverse{null}, Addr_Set{null}
                  */
        63      Blog blog = (Blog)getModel().get(Constants.BLOG_KEY);
        64      BlogService service = new BlogService();
        65      BlogEntry blogEntry = null;
        66      try {
        67        blogEntry = service.getBlogEntry(blog, request.getParameter("entry"));
        68      } catch (BlogServiceException e) {
        69        throw new ServletException(e);
        70      }
        71
        72      if (blogEntry == null) {
        73        return new NotFoundView();
        74      } else {
        75        getModel().put(Constants.BLOG_ENTRY_KEY, blogEntry);
        76        return new BlogEntryFormView();
        77      }
        78    }
        79
        80    /**
        81     * Gets a list of all roles that are allowed to access this action.
        82     *
        83     * @return  an array of Strings representing role names
        84     * @param request
        85     */
        86    public String[] getRoles(HttpServletRequest request) {
                 /*
        P/P       *  Method: String[] getRoles(HttpServletRequest)
                  *
                  *  Presumptions:
                  *    init'ed(net.sourceforge.pebble.Constants.BLOG_CONTRIBUTOR_ROLE)
                  *
                  *  Postconditions:
                  *    return_value == &new String[](getRoles#1)
                  *    new String[](getRoles#1) num objects == 1
                  *    return_value.length == 1
                  *    return_value[0] == net.sourceforge.pebble.Constants.BLOG_CONTRIBUTOR_ROLE
                  *    (soft) init'ed(return_value[0])
                  */
        87      return new String[]{Constants.BLOG_CONTRIBUTOR_ROLE};
        88    }
        89
        90  }

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editblogentryaction.java | 2010-Jun-25 19:40:34
editblogentryaction.class | 2010-Jul-19 20:23:38