Java tutorial
/* * Copyright 2012 gitblit.com. * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */ package com.gitblit.wicket.pages; import java.text.MessageFormat; import java.util.ArrayList; import java.util.LinkedHashSet; import java.util.List; import java.util.Set; import org.apache.wicket.Component; import org.apache.wicket.request.mapper.parameter.PageParameters; import org.apache.wicket.markup.html.basic.Label; import org.apache.wicket.markup.html.form.CheckBox; import org.apache.wicket.markup.html.form.ListMultipleChoice; import org.apache.wicket.markup.html.form.TextField; import org.apache.wicket.markup.html.link.ExternalLink; import org.apache.wicket.markup.html.panel.Fragment; import org.apache.wicket.markup.repeater.Item; import org.apache.wicket.markup.repeater.data.DataView; import org.apache.wicket.markup.repeater.data.ListDataProvider; import org.apache.wicket.model.Model; import org.eclipse.jgit.lib.Constants; import com.gitblit.Constants.SearchType; import com.gitblit.Keys; import com.gitblit.models.RepositoryModel; import com.gitblit.models.SearchResult; import com.gitblit.models.UserModel; import com.gitblit.utils.ArrayUtils; import com.gitblit.utils.StringUtils; import com.gitblit.wicket.GitBlitWebSession; import com.gitblit.wicket.SessionlessForm; import com.gitblit.wicket.StringChoiceRenderer; import com.gitblit.wicket.WicketUtils; import com.gitblit.wicket.panels.LinkPanel; import com.gitblit.wicket.panels.PagerPanel; public class LuceneSearchPage extends RootPage { private final static String LUCENE_QUERY_SYNTAX_LINK = "https://lucene.apache.org/core/5_5_0/queryparser/org/apache/lucene/queryparser/classic/package-summary.html#package_description"; public LuceneSearchPage() { super(); setup(null); } public LuceneSearchPage(PageParameters params) { super(params); setup(params); } private void setup(PageParameters params) { setupPage("", ""); // default values ArrayList<String> repositories = new ArrayList<String>(); String query = ""; boolean allRepos = false; int page = 1; int pageSize = app().settings().getInteger(Keys.web.itemsPerPage, 50); // display user-accessible selections UserModel user = GitBlitWebSession.get().getUser(); List<String> availableRepositories = new ArrayList<String>(); for (RepositoryModel model : app().repositories().getRepositoryModels(user)) { if (model.hasCommits && !ArrayUtils.isEmpty(model.indexedBranches)) { availableRepositories.add(model.name); } } if (params != null) { String repository = WicketUtils.getRepositoryName(params); if (!StringUtils.isEmpty(repository)) { repositories.add(repository); } page = WicketUtils.getPage(params); if (!params.get("repositories").isEmpty()) { String value = params.get("repositories").toString(""); List<String> list = StringUtils.getStringsFromValue(value); repositories.addAll(list); } allRepos = params.get("allrepos").toBoolean(false); if (allRepos) { repositories.addAll(availableRepositories); } if (!params.get("query").isEmpty()) { query = params.get("query").toString(""); } else { String value = WicketUtils.getSearchString(params); String type = WicketUtils.getSearchType(params); com.gitblit.Constants.SearchType searchType = com.gitblit.Constants.SearchType.forName(type); if (!StringUtils.isEmpty(value)) { if (searchType == SearchType.COMMIT) { query = "type:" + searchType.name().toLowerCase() + " AND \"" + value + "\""; } else { query = searchType.name().toLowerCase() + ":\"" + value + "\""; } } } } boolean luceneEnabled = app().settings().getBoolean(Keys.web.allowLuceneIndexing, true); if (luceneEnabled) { if (availableRepositories.size() == 0) { info(getString("gb.noIndexedRepositoriesWarning")); } } else { error(getString("gb.luceneDisabled")); } // enforce user-accessible repository selections Set<String> uniqueRepositories = new LinkedHashSet<String>(); for (String selectedRepository : repositories) { if (availableRepositories.contains(selectedRepository)) { uniqueRepositories.add(selectedRepository); } } ArrayList<String> searchRepositories = new ArrayList<String>(uniqueRepositories); // search form final Model<String> queryModel = new Model<String>(query); final Model<ArrayList<String>> repositoriesModel = new Model<ArrayList<String>>(searchRepositories); final Model<Boolean> allreposModel = new Model<Boolean>(allRepos); SessionlessForm<Void> form = new SessionlessForm<Void>("searchForm", getClass()) { private static final long serialVersionUID = 1L; @Override public void onSubmit() { String q = queryModel.getObject(); if (StringUtils.isEmpty(q)) { error(getString("gb.undefinedQueryWarning")); return; } if (repositoriesModel.getObject().size() == 0 && !allreposModel.getObject()) { error(getString("gb.noSelectedRepositoriesWarning")); return; } PageParameters params = new PageParameters(); params.add("repositories", StringUtils.flattenStrings(repositoriesModel.getObject())); params.add("query", queryModel.getObject()); params.add("allrepos", allreposModel.getObject()); LuceneSearchPage page = new LuceneSearchPage(params); setResponsePage(page); } }; ListMultipleChoice<String> selections = new ListMultipleChoice<String>("repositories", repositoriesModel, availableRepositories, new StringChoiceRenderer()); selections.setMaxRows(8); form.add(selections.setEnabled(luceneEnabled)); form.add(new TextField<String>("query", queryModel).setEnabled(luceneEnabled)); form.add(new CheckBox("allrepos", allreposModel)); form.add(new ExternalLink("querySyntax", LUCENE_QUERY_SYNTAX_LINK)); add(form.setEnabled(luceneEnabled)); // execute search final List<SearchResult> results = new ArrayList<SearchResult>(); if (!ArrayUtils.isEmpty(searchRepositories) && !StringUtils.isEmpty(query)) { results.addAll(app().repositories().search(query, page, pageSize, searchRepositories)); } // results header if (results.size() == 0) { if (!ArrayUtils.isEmpty(searchRepositories) && !StringUtils.isEmpty(query)) { add(new Label("resultsHeader", query).setRenderBodyOnly(true)); add(new Label("resultsCount", getString("gb.noHits")).setRenderBodyOnly(true)); } else { add(new Label("resultsHeader").setVisible(false)); add(new Label("resultsCount").setVisible(false)); } } else { add(new Label("resultsHeader", query).setRenderBodyOnly(true)); add(new Label("resultsCount", MessageFormat.format(getString("gb.queryResults"), results.get(0).hitId, results.get(results.size() - 1).hitId, results.get(0).totalHits)) .setRenderBodyOnly(true)); } // search results view ListDataProvider<SearchResult> resultsDp = new ListDataProvider<SearchResult>(results); final DataView<SearchResult> resultsView = new DataView<SearchResult>("searchResults", resultsDp) { private static final long serialVersionUID = 1L; @Override public void populateItem(final Item<SearchResult> item) { final SearchResult sr = item.getModelObject(); switch (sr.type) { case commit: { Label icon = WicketUtils.newIcon("type", "icon-refresh"); WicketUtils.setHtmlTooltip(icon, "commit"); item.add(icon); item.add(new LinkPanel("summary", null, sr.summary, CommitPage.class, WicketUtils.newObjectParameter(sr.repository, sr.commitId))); // show tags Fragment fragment = new Fragment("tags", "tagsPanel", LuceneSearchPage.this); List<String> tags = sr.tags; if (tags == null) { tags = new ArrayList<String>(); } ListDataProvider<String> tagsDp = new ListDataProvider<String>(tags); final DataView<String> tagsView = new DataView<String>("tag", tagsDp) { private static final long serialVersionUID = 1L; @Override public void populateItem(final Item<String> item) { String tag = item.getModelObject(); Component c = new LinkPanel("tagLink", null, tag, TagPage.class, WicketUtils.newObjectParameter(sr.repository, Constants.R_TAGS + tag)); WicketUtils.setCssClass(c, "tagRef"); item.add(c); } }; fragment.add(tagsView); item.add(fragment); break; } case blob: { Label icon = WicketUtils.newIcon("type", "icon-file"); WicketUtils.setHtmlTooltip(icon, "blob"); item.add(icon); item.add(new LinkPanel("summary", null, sr.path, BlobPage.class, WicketUtils.newPathParameter(sr.repository, sr.branch, sr.path))); item.add(new Label("tags").setVisible(false)); break; } } item.add(new Label("fragment", sr.fragment).setEscapeModelStrings(false) .setVisible(!StringUtils.isEmpty(sr.fragment))); item.add(new LinkPanel("repository", null, sr.repository, SummaryPage.class, WicketUtils.newRepositoryParameter(sr.repository))); if (StringUtils.isEmpty(sr.branch)) { item.add(new Label("branch", "null")); } else { item.add(new LinkPanel("branch", "branch", StringUtils.getRelativePath(Constants.R_HEADS, sr.branch), LogPage.class, WicketUtils.newObjectParameter(sr.repository, sr.branch))); } item.add(new Label("author", sr.author)); item.add(WicketUtils.createDatestampLabel("date", sr.date, getTimeZone(), getTimeUtils())); } }; add(resultsView.setVisible(results.size() > 0)); PageParameters pagerParams = new PageParameters(); pagerParams.add("repositories", StringUtils.flattenStrings(repositoriesModel.getObject())); pagerParams.add("query", queryModel.getObject()); boolean showPager = false; int totalPages = 0; if (results.size() > 0) { totalPages = (results.get(0).totalHits / pageSize) + (results.get(0).totalHits % pageSize > 0 ? 1 : 0); showPager = results.get(0).totalHits > pageSize; } add(new PagerPanel("topPager", page, totalPages, LuceneSearchPage.class, pagerParams) .setVisible(showPager)); add(new PagerPanel("bottomPager", page, totalPages, LuceneSearchPage.class, pagerParams) .setVisible(showPager)); } }