| /** |
| * 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.oozie.servlet; |
| |
| import javax.servlet.http.HttpServletResponse; |
| |
| import org.apache.oozie.ErrorCode; |
| |
| public class ServletUtilities { |
| |
| /** |
| * accessory static method to check the app path parameter for the request |
| * used only for job-related request and only one of them should exist |
| * |
| * @param wfPath workflow app path |
| * @param coordPath coordinator app path |
| * @throws XServletException if either path is not valid |
| */ |
| protected static void validateAppPath(String wfPath, String coordPath) throws XServletException { |
| if (wfPath != null && coordPath != null) { |
| throw new XServletException(HttpServletResponse.SC_BAD_REQUEST, ErrorCode.E0302, |
| "multiple app paths specified, only one is allowed"); |
| } |
| else { |
| if (wfPath == null && coordPath == null) { |
| throw new XServletException(HttpServletResponse.SC_BAD_REQUEST, ErrorCode.E0302, |
| "a workflow or coordinator app path is required"); |
| } |
| } |
| } |
| |
| /** |
| * accessory static method to check the app path parameter for the request |
| * used only for job-related request and only one of them should exist |
| * bundle appPath is also checked |
| * |
| * @param wfPath workflow app path |
| * @param coordPath coordinator app path |
| * @param bundlePath bundle app path |
| * @throws XServletException if either path is not valid |
| */ |
| protected static void validateAppPath(String wfPath, String coordPath, String bundlePath) throws XServletException { |
| int n = 0; |
| |
| if (wfPath != null) { |
| n ++; |
| } |
| |
| if (coordPath != null) { |
| n ++; |
| } |
| |
| if (bundlePath != null) { |
| n ++; |
| } |
| |
| if (n == 0) { |
| throw new XServletException(HttpServletResponse.SC_BAD_REQUEST, ErrorCode.E0302, "a workflow, coordinator," |
| + " or bundle app path is required"); |
| } |
| |
| if (n != 1) { |
| throw new XServletException(HttpServletResponse.SC_BAD_REQUEST, ErrorCode.E0302, "Multiple app paths specified," |
| + " only one is allowed"); |
| } |
| } |
| |
| /** |
| * accessory static method to check the lib path parameter for the request |
| * |
| * @param libPath lib path |
| * @throws XServletException if either path is not valid |
| */ |
| protected static void ValidateLibPath(String libPath) throws XServletException { |
| if (libPath == null) { |
| throw new XServletException(HttpServletResponse.SC_BAD_REQUEST, ErrorCode.E0302, "a lib path is required"); |
| } |
| } |
| } |