| /* |
| * Licensed to the Apache Software Foundation (ASF) under one |
| * or more contributor license agreements. See the NOTICE file |
| * distributed with this work for additional information |
| * regarding copyright ownership. The ASF licenses this file |
| * to you 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 org.apache.ode.bpel.common; |
| |
| import org.apache.ode.bpel.pmapi.InvalidRequestException; |
| import org.apache.ode.utils.ISO8601DateParser; |
| |
| import java.io.Serializable; |
| import java.text.ParseException; |
| import java.util.ArrayList; |
| import java.util.List; |
| import java.util.StringTokenizer; |
| |
| /** |
| * Holds a filter that will get interpreted when listing processes. The semantic |
| * of the filtering is somewhat different than the one used in the ProcessQuery |
| * class. Here we're introducing a pseudo process querying language. |
| */ |
| public class ProcessFilter extends Filter<ProcessFilter.FilterKeysOp> implements |
| Serializable { |
| |
| private static final long serialVersionUID = 9999; |
| |
| /** If set, will filter on the process name (accepts ending with wildcard) */ |
| private String nameFilter; |
| |
| /** If set, will filter on the process name (accepts ending with wildcard) */ |
| private String namespaceFilter; |
| |
| /** If set, will filter on the process status (activated or retired) */ |
| private String statusFilter; |
| |
| /** |
| * If set, will filter on the process deployment date. Prefixed with a |
| * comparison operator (<, >, <=, >=, =). We're keeping a string and note |
| * converting to a java date as ISO string dates are much easier and quicker |
| * to manipulate. It's possible to have more than one date filter to handle |
| * the 'between' case. |
| */ |
| private List<String> deployedDateFilter; |
| |
| /** |
| * List of additional information to include when producing the filter result, |
| * currently only 'properties' and 'instance' are supported. |
| */ |
| private List<String> includes; |
| |
| /** |
| * Orders to use when sorting the result (no particular order if not set). |
| * Currently /supported keys are: |
| * <ul> |
| * <li>name</li> |
| * <li>namespace</li> |
| * <li>version</li> |
| * <li>status</li> |
| * <li>deployed</li> |
| * </ul> |
| * Each key can be prefixed with a + or - sign for ascending or descending |
| * orders (ascending if no sign specified).. |
| */ |
| private List<String> orders; |
| |
| // Used both to validate filter keys and to process them |
| enum FilterKeysOp { |
| NAME { |
| void process(ProcessFilter filter, String op, String value) { |
| filter.nameFilter = value; |
| } |
| }, |
| NAMESPACE { |
| void process(ProcessFilter filter, String op, String value) { |
| filter.namespaceFilter = value; |
| } |
| }, |
| STATUS { |
| void process(ProcessFilter filter, String op, String value) { |
| filter.statusFilter = value; |
| } |
| }, |
| DEPLOYED { |
| void process(ProcessFilter filter, String op, String value) { |
| if (filter.deployedDateFilter == null) |
| filter.deployedDateFilter = new ArrayList<String>(); |
| filter.deployedDateFilter.add(op + value); |
| } |
| }; |
| |
| abstract void process(ProcessFilter filter, String op, String value); |
| } |
| |
| enum OrderKeys { |
| NAME, NAMESPACE, VERSION, STATUS, DEPLOYED; |
| } |
| |
| enum StatusKeys { |
| ACTIVATED, RETIRED; |
| } |
| |
| /** |
| * Initializes properly the ProcessFilter attributes by pre-parsing the filter |
| * and orderKeys strings. |
| * |
| * @param filter |
| * @param orderKeys |
| */ |
| public ProcessFilter(String filter, String orderKeys) { |
| init(filter); |
| // Some additional validation on status value |
| if (statusFilter != null) { |
| try { |
| StatusKeys.valueOf(statusFilter.toUpperCase()); |
| } catch (IllegalArgumentException e) { |
| throw new InvalidRequestException( |
| "The status you're using in your filter isn't valid, " |
| + "only the activated and retired status are valid. " |
| + e.toString()); |
| } |
| } |
| |
| // Some additional validation on date format value |
| if (deployedDateFilter != null) { |
| for (String ddf : deployedDateFilter) { |
| try { |
| ISO8601DateParser.parse(getDateWithoutOp(ddf)); |
| } catch (ParseException e) { |
| throw new InvalidRequestException( |
| "Couldn't parse one of the filter date, please make " |
| + "sure it follows the ISO-8601 date or date/time standard (yyyyMMddhhmmss). " |
| + e.toString()); |
| } |
| } |
| } |
| |
| if (orderKeys != null && orderKeys.length() > 0) { |
| orders = new ArrayList<String>(3); |
| for (StringTokenizer orderKeysTok = new StringTokenizer(orderKeys, " "); orderKeysTok |
| .hasMoreTokens();) { |
| String orderKey = orderKeysTok.nextToken(); |
| try { |
| String justKey = orderKey; |
| if (justKey.startsWith("-") || justKey.startsWith("+")) |
| justKey = orderKey.substring(1, justKey.length()); |
| OrderKeys.valueOf(justKey.toUpperCase()); |
| orders.add(orderKey); |
| } catch (IllegalArgumentException e) { |
| throw new InvalidRequestException( |
| "One of the ordering keys isn't valid, processes can only " |
| + "be sorted by name, namespace, version, status and deployed date." |
| + e.toString()); |
| } |
| } |
| } |
| } |
| |
| public String getNameFilter() { |
| return nameFilter; |
| } |
| |
| public String getNamespaceFilter() { |
| return namespaceFilter; |
| } |
| |
| public String getStatusFilter() { |
| return statusFilter; |
| } |
| |
| public List<String> getDeployedDateFilter() { |
| return deployedDateFilter; |
| } |
| |
| public List<String> getIncludes() { |
| return includes; |
| } |
| |
| public List<String> getOrders() { |
| return orders; |
| } |
| |
| public static void main(String[] args) { |
| ProcessFilter pf = new ProcessFilter("name = dtc* status=activated " |
| + "deployed>=2005-11-29T15:12 deployed < 2005-11-29T15:13", |
| "status name -version"); |
| System.out.println("=> " + pf); |
| } |
| |
| @Override |
| protected FilterKeysOp parseKey(String keyVal) { |
| return FilterKeysOp.valueOf(keyVal); |
| } |
| |
| @Override |
| protected FilterKeysOp[] getFilterKeys() { |
| return FilterKeysOp.values(); |
| } |
| |
| @Override |
| protected void process(FilterKeysOp key, Restriction<String> rest) { |
| key.process(this, rest.op, rest.value); |
| |
| } |
| } |