| Clover coverage report - |
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| Source file | Conditionals | Statements | Methods | TOTAL | |||||||||||||||
| SymbolDeserializer.java | 50% | 84.6% | 75% | 73.9% |
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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: SymbolDeserializer.java 712565 2008-11-09 21:52:26Z vgritsenko $ | |
| 18 | */ | |
| 19 | ||
| 20 | package org.apache.xindice.util; | |
| 21 | ||
| 22 | import org.apache.commons.logging.Log; | |
| 23 | import org.apache.commons.logging.LogFactory; | |
| 24 | import org.apache.xindice.xml.SymbolTable; | |
| 25 | import org.apache.xindice.xml.SymbolTableSymbols; | |
| 26 | import org.apache.xindice.xml.dom.DocumentImpl; | |
| 27 | ||
| 28 | import org.w3c.dom.Document; | |
| 29 | ||
| 30 | import java.util.Map; | |
| 31 | ||
| 32 | /** | |
| 33 | * SymbolDeserializer is a utility class for managing SymbolTables in | |
| 34 | * the client context of Wire Compression. | |
| 35 | * | |
| 36 | * @version $Revision: 712565 $, $Date: 2008-11-09 21:52:26 +0000 (Sun, 09 Nov 2008) $ | |
| 37 | */ | |
| 38 | public final class SymbolDeserializer { | |
| 39 | ||
| 40 | private static final Log log = LogFactory.getLog(SymbolSerializer.class); | |
| 41 | ||
| 42 | /** | |
| 43 | * The collection's SymbolTable | |
| 44 | */ | |
| 45 | private final SymbolTable syms; | |
| 46 | ||
| 47 | /** | |
| 48 | * Last time we caught a SymbolTable modification | |
| 49 | */ | |
| 50 | private long lastMod; | |
| 51 | ||
| 52 | ||
| 53 | 1138 | public SymbolDeserializer() { |
| 54 | 1138 | this.syms = new SymbolTable(); |
| 55 | } | |
| 56 | ||
| 57 | /** | |
| 58 | * getSymbols returns the Symbol Table being managed by this | |
| 59 | * deserializer. | |
| 60 | * | |
| 61 | * @return The Symbol Table | |
| 62 | */ | |
| 63 | 0 | public SymbolTable getSymbols() { |
| 64 | 0 | return syms; |
| 65 | } | |
| 66 | ||
| 67 | /** | |
| 68 | * getLastModified returns the last modified time stamp of the | |
| 69 | * client's image of the managed symbol table. | |
| 70 | * | |
| 71 | * @return The last modified stamp | |
| 72 | */ | |
| 73 | 176 | public long getLastModified() { |
| 74 | 176 | return lastMod; |
| 75 | } | |
| 76 | ||
| 77 | /** | |
| 78 | * getSymbols returns the current SymbolTable image for the | |
| 79 | * server-side Collection that is being managed. The Symbol | |
| 80 | * table is shipped as part of an Map when the server | |
| 81 | * has determined that its image of the SymbolTable is out of | |
| 82 | * date. This method either returns the current image or | |
| 83 | * extracts the new image from the Map. | |
| 84 | * | |
| 85 | * @param buffer The Map | |
| 86 | * @return The Symbol Table | |
| 87 | */ | |
| 88 | 169 | public SymbolTable getSymbols(Map buffer) { |
| 89 | 169 | byte[] symBytes = (byte[]) buffer.get("symbols"); |
| 90 | 169 | if (symBytes != null) { |
| 91 | 169 | String ts = (String) buffer.get("timestamp"); |
| 92 | 169 | if (log.isDebugEnabled()) { |
| 93 | 0 | log.info("Receiving symbols. Client ts=" + lastMod + ", Server ts=" + ts); |
| 94 | } | |
| 95 | ||
| 96 | 169 | Document doc = new DocumentImpl(symBytes, SymbolTableSymbols.getInstance(), null); |
| 97 | 169 | synchronized (syms) { |
| 98 | 169 | syms.streamFromXML(doc.getDocumentElement()); |
| 99 | // Server v1.1 won't be sending timestamp. Will use 0. | |
| 100 | 169 | lastMod = ts == null ? 0 : Long.parseLong(ts); |
| 101 | } | |
| 102 | } | |
| 103 | ||
| 104 | 169 | return syms; |
| 105 | } | |
| 106 | } |
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