cmssearchresultview.java

cms是开源的框架

                            CmsLocaleManager.PARAMETER_LOCALE).append("=").append(m_jsp.getRequestContext().getLocale()).toString(),
                        search));
                    result.append("\">>>");
                    result.append(messages.key(org.opencms.search.Messages.GUI_HELP_BUTTON_NEXT_0));
                    result.append("</a>\n");
                }
                result.append("</p>\n");
            }

        }

        // include the post forms for the page links: 
        Iterator values = m_formCache.values().iterator();
        while (values.hasNext()) {
            result.append(values.next());
        }
        return result.toString();

    }

    /**
     * Returns true if the links to search results shall point to exported content, false else. <p>
     * @return true if the links to search results shall point to exported content, false else
     */
    public boolean isExportLinks() {

        return m_exportLinks;
    }

    /**
     * Set wether the links to search results point to exported content or not. <p>
     * 
     * @param exportLinks The value that decides Set wether the links to search results point to exported content or not. 
     */
    public void setExportLinks(boolean exportLinks) {

        m_exportLinks = exportLinks;
    }

    /**
     * Set a proprietary resource uri for the search page. <p>
     * 
     * This is optional but allows to override the standard search result links 
     * (for next or previous pages) that point to 
     * <code>getJsp().getRequestContext().getUri()</code> whenever the search 
     * uri is element of some template and should not be linked directly.<p>
     * 
     * @param uri the proprietary resource uri for the search page
     */
    public void setSearchRessourceUrl(String uri) {

        m_searchRessourceUrl = uri;
    }

    /**
     * Returns the resource uri to the search page with respect to the 
     * optionally configured value <code>{@link #setSearchRessourceUrl(String)}</code> 
     * with the request parameters of the given argument.<p>
     * 
     * This is a workaround for Tomcat bug 35775 
     * (http://issues.apache.org/bugzilla/show_bug.cgi?id=35775). After it has been 
     * fixed the version 1.1 should be restored (or at least this codepath should be switched back.<p>
     * 
     * 
     * @param link the suggestion of the search result bean ( a previous, next or page number url)
     * @return the resource uri to the search page with respect to the 
     *         optionally configured value <code>{@link #setSearchRessourceUrl(String)}</code> 
     *         with the request parameters of the given argument
     */
    private String getSearchPageLink(String link, CmsSearch search) {

        if (m_searchRessourceUrl != null) {
            // for the form to generate we need params. 
            String pageParams = "";
            int paramIndex = link.indexOf('?');
            if (paramIndex > 0) {
                pageParams = link.substring(paramIndex);
            }
            StringBuffer formurl = new StringBuffer(m_searchRessourceUrl);
            if (m_searchRessourceUrl.indexOf('?') != -1) {
                // the search page url already has a query string, don't start params of search-generated link 
                // with '?'
                pageParams = new StringBuffer("&").append(pageParams.substring(1)).toString();
            }
            formurl.append(pageParams).toString();
            String formname = toPostParameters(formurl.toString(), search);

            link = new StringBuffer("javascript:document.forms['").append(formname).append("'].submit()").toString();
        }
        return link;
    }

    /**
     * Generates a html form (named form&lt;n&gt;) with parameters found in 
     * the given GET request string (appended params with "?value=param&value2=param2). 
     * &gt;n&lt; is the number of forms that already have been generated. 
     * This is a content-expensive bugfix for http://issues.apache.org/bugzilla/show_bug.cgi?id=35775 
     * and should be replaced with the 1.1 revision as soon that bug is fixed.<p>
     * 
     * The forms action will point to the given uri's path info part: All links in the page 
     * that includes this generated html and that are related to the get request should 
     * have "src='#'" and "onclick=documents.forms['&lt;getRequestUri&gt;'].submit()". <p>
     * 
     * The generated form lands in the internal <code>Map {@link #m_formCache}</code> as mapping 
     * from uris to Strings and has to be appended to the output at a valid position. <p> 
     * 
     * Warning: Does not work with multiple values mapped to one parameter ("key = value1,value2..").<p>
     * 
     * 
     * 
     * @param getRequestUri a request uri with optional query, will be used as name of the form too
     * 
     * @return the formname of the the generated form that contains the parameters of the given request uri or 
     *         the empty String if there weren't any get parameters in the given request uri. 
     */
    private String toPostParameters(String getRequestUri, CmsSearch search) {

        /**
         * A simple wrapper around html for a form and it's name for value 
         * side of form cache, necessary as order in Map is arbitrary, 
         * SortedMap unusable as backlinks have higher order, lower formname... <p>
         */
        final class HTMLForm {

            /** The html of the generated form. **/
            String m_formHtml;

            /** The name of the generated form. **/
            String m_formName;

            /**
             * Creates an instance with the given formname and the given html code for the form. <p>
             * 
             * @param formName the form name of the form 
             * @param formHtml the form html of the form
             */
            HTMLForm(String formName, String formHtml) {

                m_formName = formName;
                m_formHtml = formHtml;
            }

            /**
             * Returns the form html.<p> 
             * 
             * @return the form html
             * 
             * @see java.lang.Object#toString()
             */
            public String toString() {

                return m_formHtml;
            }
        }
        StringBuffer result;
        String formname = "";

        if (!m_formCache.containsKey(getRequestUri)) {

            result = new StringBuffer();
            int index = getRequestUri.indexOf('?');
            String query = "";
            String path = "";
            if (index > 0) {
                query = getRequestUri.substring(index + 1);
                path = getRequestUri.substring(0, index);
                formname = new StringBuffer("searchform").append(m_formCache.size()).toString();

                result.append("\n<form method=\"post\" name=\"").append(formname).append("\" action=\"");
                result.append(path).append("\">\n");
                // "key=value" pairs as tokens:
                StringTokenizer entryTokens = new StringTokenizer(query, "&", false);
                while (entryTokens.hasMoreTokens()) {
                    StringTokenizer keyValueToken = new StringTokenizer(entryTokens.nextToken(), "=", false);
                    if (keyValueToken.countTokens() != 2) {
                        continue;
                    }
                    // Undo the possible already performed url encoding for the given url 
                    String key = CmsEncoder.decode(keyValueToken.nextToken());
                    String value = CmsEncoder.decode(keyValueToken.nextToken());
                    if ("action".equals(key)) {
                        // cannot use the "search"-action value in combination with CmsWidgetDialog: prepareCommit would be left out!
                        value = CmsWidgetDialog.DIALOG_SAVE;
                    }
                    result.append("  <input type=\"hidden\" name=\"");
                    result.append(key).append("\" value=\"");
                    result.append(value).append("\" />\n");
                }

                // custom searchindex code for making category widget - compatible 
                // this is needed for transforming e.g. the CmsSearch-generated 
                // "&category=a,b,c" to widget fields categories.0..categories.n.
                List categories = search.getParameters().getCategories();
                Iterator it = categories.iterator();
                int count = 0;
                while (it.hasNext()) {
                    result.append("  <input type=\"hidden\" name=\"");
                    result.append("categories.").append(count).append("\" value=\"");
                    result.append(it.next()).append("\" />\n");
                    count++;
                }
                List roots = search.getParameters().getRoots();
                it = roots.iterator();
                count = 0;
                while (it.hasNext()) {
                    result.append("  <input type=\"hidden\" name=\"");
                    result.append("roots.").append(count).append("\" value=\"");
                    result.append(it.next()).append("\" />\n");
                    count++;
                }
                result.append("  <input type=\"hidden\" name=\"");
                result.append("searchfieldcontent.").append(0).append("\" value=\"");
                result.append(search.getParameters().getSearchFieldContent()).append("\" />\n");

                result.append("  <input type=\"hidden\" name=\"");
                result.append("searchfieldmeta.").append(0).append("\" value=\"");
                result.append(search.getParameters().getSearchFieldMeta()).append("\" />\n");

                result.append("  <input type=\"hidden\" name=\"");
                result.append("searchfieldtitle.").append(0).append("\" value=\"");
                result.append(search.getParameters().getSearchFieldTitle()).append("\" />\n");

                result.append("  <input type=\"hidden\" name=\"");
                result.append("searchfieldkeywords.").append(0).append("\" value=\"");
                result.append(search.getParameters().getSearchFieldKeywords()).append("\" />\n");

                result.append("  <input type=\"hidden\" name=\"");
                result.append("searchfielddescription.").append(0).append("\" value=\"");
                result.append(search.getParameters().getSearchFieldDescription()).append("\" />\n");

                result.append("  <input type=\"hidden\" name=\"");
                result.append("sortfields.").append(0).append("\" value=\"");
                result.append(search.getParameters().getSortName()).append("\" />\n");

                search.getParameters().getSearchFieldContent();
                result.append("</form>\n");
                HTMLForm form = new HTMLForm(formname, result.toString());

                m_formCache.put(getRequestUri, form);
                return formname;
            }
            // empty String for no get parameters 
            return formname;

        } else {
            HTMLForm form = (HTMLForm)m_formCache.get(getRequestUri);
            return form.m_formName;
        }
    }
}