| /* |
| * 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.olingo.server.core.deserializer.batch; |
| |
| import java.util.List; |
| import java.util.regex.Pattern; |
| |
| import org.apache.olingo.commons.api.http.HttpContentType; |
| import org.apache.olingo.commons.api.http.HttpHeader; |
| import org.apache.olingo.server.api.batch.exception.BatchDeserializerException; |
| import org.apache.olingo.server.api.batch.exception.BatchDeserializerException.MessageKeys; |
| |
| public class BatchTransformatorCommon { |
| |
| public static void validateContentType(final Header headers, final Pattern pattern) |
| throws BatchDeserializerException { |
| List<String> contentTypes = headers.getHeaders(HttpHeader.CONTENT_TYPE); |
| |
| if (contentTypes.size() == 0) { |
| throw new BatchDeserializerException("Missing content type", MessageKeys.MISSING_CONTENT_TYPE, headers |
| .getLineNumber()); |
| } |
| if (!headers.isHeaderMatching(HttpHeader.CONTENT_TYPE, pattern)) { |
| |
| throw new BatchDeserializerException("Invalid content type", MessageKeys.INVALID_CONTENT_TYPE, |
| HttpContentType.MULTIPART_MIXED + " or " + HttpContentType.APPLICATION_HTTP); |
| } |
| } |
| |
| public static void validateContentTransferEncoding(final Header headers) throws BatchDeserializerException { |
| final HeaderField contentTransferField = headers.getHeaderField(BatchParserCommon.HTTP_CONTENT_TRANSFER_ENCODING); |
| |
| if (contentTransferField != null) { |
| final List<String> contentTransferValues = contentTransferField.getValues(); |
| if (contentTransferValues.size() == 1) { |
| String encoding = contentTransferValues.get(0); |
| |
| if (!BatchParserCommon.BINARY_ENCODING.equalsIgnoreCase(encoding)) { |
| throw new BatchDeserializerException("Invalid content transfer encoding", |
| MessageKeys.INVALID_CONTENT_TRANSFER_ENCODING, |
| headers.getLineNumber()); |
| } |
| } else { |
| throw new BatchDeserializerException("Invalid header", MessageKeys.INVALID_HEADER, headers.getLineNumber()); |
| } |
| } else { |
| throw new BatchDeserializerException("Missing mandatory content transfer encoding", |
| MessageKeys.MISSING_CONTENT_TRANSFER_ENCODING, |
| headers.getLineNumber()); |
| } |
| } |
| |
| public static int getContentLength(final Header headers) throws BatchDeserializerException { |
| final HeaderField contentLengthField = headers.getHeaderField(HttpHeader.CONTENT_LENGTH); |
| |
| if (contentLengthField != null && contentLengthField.getValues().size() == 1) { |
| final List<String> contentLengthValues = contentLengthField.getValues(); |
| |
| try { |
| int contentLength = Integer.parseInt(contentLengthValues.get(0)); |
| |
| if (contentLength < 0) { |
| throw new BatchDeserializerException("Invalid content length", MessageKeys.INVALID_CONTENT_LENGTH, |
| contentLengthField |
| .getLineNumber()); |
| } |
| |
| return contentLength; |
| } catch (NumberFormatException e) { |
| throw new BatchDeserializerException("Invalid header", MessageKeys.INVALID_HEADER, contentLengthField |
| .getLineNumber()); |
| } |
| } |
| |
| return -1; |
| } |
| } |