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4399
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leinfelder
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/**
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* '$RCSfile$'
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* Copyright: 2008 Regents of the University of California and the
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* National Center for Ecological Analysis and Synthesis
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*
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* Author: Benjamin Leinfelder
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* '$Date: $'
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* '$Revision: $'
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*/
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package edu.ucsb.nceas.metacat.cart;
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import java.util.Map;
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import org.apache.commons.logging.Log;
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import org.apache.commons.logging.LogFactory;
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import edu.ucsb.nceas.metacat.service.SessionService;
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/**
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* Class to query data
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*/
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public class CartManager {
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private static Log log = LogFactory.getLog(CartManager.class);
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private String sessionId = null;
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private DocumentCart documentCart = null;
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/**
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* empty constructor to initialize query
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*/
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public CartManager() {
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init();
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}
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public CartManager(String sessionId) {
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// initialize the necessary parts
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this.sessionId = sessionId;
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init();
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}
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private void init() {
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documentCart = SessionService.getRegisteredSession(sessionId).getDocumentCart();
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if (documentCart == null) {
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documentCart = new DocumentCart();
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}
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}
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public void editCart(String operation, String[] docids, Map fields) {
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//for attribute fields
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if (operation.equalsIgnoreCase("addField")) {
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documentCart.addFields(fields);
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}
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if (operation.equalsIgnoreCase("removeField")) {
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String field = (String) fields.keySet().toArray()[0];
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documentCart.removeField(field);
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}
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if (operation.equalsIgnoreCase("addFields")) {
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documentCart.addFields(fields);
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}
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if (operation.equalsIgnoreCase("clearfields")) {
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documentCart.clearFields();
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}
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//for document ids
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if (operation.equalsIgnoreCase("clear")) {
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documentCart.clear();
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}
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if (docids != null) {
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for (int i=0; i < docids.length; i++) {
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if (operation.equalsIgnoreCase("add")) {
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documentCart.addDocument(docids[i], fields);
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}
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if (operation.equalsIgnoreCase("remove")) {
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documentCart.removeDocument(docids[i]);
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}
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}
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}
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SessionService.getRegisteredSession(sessionId).setDocumentCart(documentCart);
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}
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}
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