Clover coverage report -
Coverage timestamp: Sun Nov 1 2009 23:08:24 UTC
file stats: LOC: 74   Methods: 2
NCLOC: 15   Classes: 1
 
 Source file Conditionals Statements Methods TOTAL
InlineHeaderBuilder.java - 100% 50% 88.9%
coverage coverage
 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    }