| Clover coverage report - |
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| Source file | Conditionals | Statements | Methods | TOTAL | |||||||||||||||
| InlineHeaderBuilder.java | - | 100% | 50% | 88.9% |
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| 1 | /* | |
| 2 | * Licensed to the Apache Software Foundation (ASF) under one or more | |
| 3 | * contributor license agreements. See the NOTICE file distributed with | |
| 4 | * this work for additional information regarding copyright ownership. | |
| 5 | * The ASF licenses this file to You under the Apache License, Version 2.0 | |
| 6 | * (the "License"); you may not use this file except in compliance with | |
| 7 | * the License. You may obtain a copy of the License at | |
| 8 | * | |
| 9 | * http://www.apache.org/licenses/LICENSE-2.0 | |
| 10 | * | |
| 11 | * Unless required by applicable law or agreed to in writing, software | |
| 12 | * distributed under the License is distributed on an "AS IS" BASIS, | |
| 13 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. | |
| 14 | * See the License for the specific language governing permissions and | |
| 15 | * limitations under the License. | |
| 16 | * | |
| 17 | * $Id: InlineHeaderBuilder.java 541508 2007-05-25 01:54:12Z vgritsenko $ | |
| 18 | */ | |
| 19 | ||
| 20 | package org.apache.xindice.core.meta.inline; | |
| 21 | ||
| 22 | import org.apache.xindice.core.data.Value; | |
| 23 | ||
| 24 | /** | |
| 25 | * Construct a Value object containing the inline metadata header | |
| 26 | * and value data. | |
| 27 | * | |
| 28 | * The first header byte holds the number of total bytes (counting itself) | |
| 29 | * preceding the data. The second header byte contains the version number | |
| 30 | * of the metadata. Remaining header bytes are the version-specific metadata. | |
| 31 | * | |
| 32 | * <pre> | |
| 33 | * Version 0: Null | |
| 34 | * no version-specific metdata, two byte total length | |
| 35 | * byte 1: 2 | |
| 36 | * byte 2: 0 | |
| 37 | * | |
| 38 | * Version 1: ResoureType | |
| 39 | * resource type, three byte total length | |
| 40 | * byte 1: 2 | |
| 41 | * byte 2: 1 | |
| 42 | * byte 3: content type (1 => xml, 2 => binary) | |
| 43 | * </pre> | |
| 44 | * | |
| 45 | * @version $Revision: 541508 $, $Date: 2007-05-24 18:54:12 -0700 (Thu, 24 May 2007) $ | |
| 46 | */ | |
| 47 | public class InlineHeaderBuilder { | |
| 48 | ||
| 49 | /** | |
| 50 | * There's no reason to ever create an instance of this class. | |
| 51 | */ | |
| 52 | 0 | private InlineHeaderBuilder() { |
| 53 | } | |
| 54 | ||
| 55 | /** | |
| 56 | * Create a Value object containing the inline metadata header and | |
| 57 | * value data. | |
| 58 | * | |
| 59 | * NOTE: For maximum performance, we would hand all the pieces to the Value | |
| 60 | * object, which would talk to the BTree by stream, and none of these | |
| 61 | * allocations and copies would be necessary. | |
| 62 | */ | |
| 63 | 1984 | public static Value createValue(int version, byte[] metadata, byte[] data, int pos, int len) { |
| 64 | ||
| 65 | 1984 | int headerLength = 2 + metadata.length; |
| 66 | 1984 | byte[] valueData = new byte[headerLength + len]; |
| 67 | ||
| 68 | 1984 | valueData[0] = (byte) headerLength; |
| 69 | 1984 | valueData[1] = (byte) version; |
| 70 | 1984 | System.arraycopy(metadata, 0, valueData, 2, metadata.length); |
| 71 | 1984 | System.arraycopy(data, pos, valueData, 2 + metadata.length, len); |
| 72 | 1984 | return new Value(valueData); |
| 73 | } | |
| 74 | } |
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