/** * License Agreement for OpenSearchServer * * Copyright (C) 2008-2014 Emmanuel Keller / Jaeksoft * * http://www.open-search-server.com * * This file is part of OpenSearchServer. * * OpenSearchServer is free software: you can redistribute it and/or * modify it under the terms of the GNU General Public License as published by * the Free Software Foundation, either version 3 of the License, or * (at your option) any later version. * * OpenSearchServer is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License * along with OpenSearchServer. * If not, see <http://www.gnu.org/licenses/>. **/ package com.jaeksoft.searchlib.web; import java.io.IOException; import java.net.URI; import java.net.URISyntaxException; import java.security.NoSuchAlgorithmException; import javax.xml.xpath.XPathExpressionException; import org.apache.http.HttpException; import com.jaeksoft.searchlib.Client; import com.jaeksoft.searchlib.SearchLibException; import com.jaeksoft.searchlib.function.expression.SyntaxError; import com.jaeksoft.searchlib.query.ParseException; import com.jaeksoft.searchlib.request.AbstractSearchRequest; import com.jaeksoft.searchlib.request.SearchPatternRequest; import com.jaeksoft.searchlib.schema.SchemaField; import com.jaeksoft.searchlib.schema.SchemaFieldList; import com.jaeksoft.searchlib.user.Role; import com.jaeksoft.searchlib.user.User; import com.jaeksoft.searchlib.util.XPathParser; public class DeleteServlet extends AbstractServlet { /** * */ private static final long serialVersionUID = -2663934578246659291L; private int deleteUniqDoc(Client client, String field, String value) throws NoSuchAlgorithmException, IOException, URISyntaxException, SearchLibException, InstantiationException, IllegalAccessException, ClassNotFoundException, HttpException { SchemaFieldList schemaFieldList = client.getSchema().getFieldList(); SchemaField schemaField = field != null ? schemaFieldList.get(field) : schemaFieldList.getUniqueField(); if (schemaField == null) throw new SearchLibException("Field not found: " + field); return client.deleteDocument(schemaField.getName(), value); } private int deleteByQuery(Client client, String q) throws SearchLibException, IOException, InstantiationException, IllegalAccessException, ClassNotFoundException, ParseException, SyntaxError, URISyntaxException, InterruptedException { AbstractSearchRequest request = new SearchPatternRequest(client); request.setQueryString(q); return client.deleteDocuments(request); } @Override protected void doRequest(ServletTransaction transaction) throws ServletException { try { String indexName = transaction.getIndexName(); User user = transaction.getLoggedUser(); if (user != null && !user.hasRole(indexName, Role.INDEX_UPDATE)) throw new SearchLibException("Not permitted"); Client client = transaction.getClient(); String uniq = transaction.getParameterString("uniq"); String q = transaction.getParameterString("q"); Integer result = null; if (uniq != null) result = deleteUniqDoc(client, null, uniq); else if (q != null) result = deleteByQuery(client, q); transaction.addXmlResponse("Status", "OK"); if (result != null) transaction.addXmlResponse("Deleted", result.toString()); } catch (Exception e) { throw new ServletException(e); } } public static boolean delete(URI uri, String indexName, String login, String apikey, String uniqueField, int secTimeOut) throws SearchLibException { try { XPathParser xpp = call(secTimeOut, buildUri(uri, "/delete", indexName, login, apikey, "uniq=" + uniqueField)); return "OK".equals(xpp.getNodeString("/response/entry[@key='Status'")); } catch (IllegalStateException e) { throw new SearchLibException(e); } catch (URISyntaxException e) { throw new SearchLibException(e); } catch (XPathExpressionException e) { throw new SearchLibException(e); } } public static boolean deleteDocument(URI uri, String indexName, String login, String apikey, int docId, int secTimeOut) throws SearchLibException { try { XPathParser xpp = call(secTimeOut, buildUri(uri, "/delete", indexName, login, apikey, "id=" + docId)); return "OK".equals(xpp.getNodeString("/response/entry[@key='Status'")); } catch (SearchLibException e) { throw new SearchLibException(e); } catch (URISyntaxException e) { throw new SearchLibException(e); } catch (XPathExpressionException e) { throw new SearchLibException(e); } } }