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51
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jones
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/**
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203
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jones
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* '$RCSfile$'
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3 |
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* Purpose: A Class that implements utility methods for a metadata catalog
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4 |
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* Copyright: 2000 Regents of the University of California and the
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5 |
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* National Center for Ecological Analysis and Synthesis
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6 |
309
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bojilova
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* Authors: Matt Jones, Jivka Bojilova
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349
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jones
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* Release: @release@
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51
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jones
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*
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203
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jones
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* '$Author$'
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* '$Date$'
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* '$Revision$'
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669
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jones
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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51
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jones
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*/
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package edu.ucsb.nceas.metacat;
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185
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jones
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import java.io.File;
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31 |
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import java.net.URL;
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32 |
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import java.net.MalformedURLException;
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50
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jones
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import java.sql.Connection;
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34 |
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import java.sql.DriverManager;
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35 |
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import java.sql.SQLException;
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36 |
184
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jones
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import java.util.PropertyResourceBundle;
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37 |
309
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bojilova
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import java.util.Hashtable;
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38 |
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import java.util.Enumeration;
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39 |
887
|
berkley
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import java.util.Vector;
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50
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jones
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41 |
777
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bojilova
|
import edu.ucsb.nceas.dbadapter.AbstractDatabase;
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747
|
bojilova
|
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50
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jones
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/**
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* A suite of utility classes for the metadata catalog server
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45 |
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*/
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46 |
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public class MetaCatUtil {
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777
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bojilova
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public static AbstractDatabase dbAdapter;
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747
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bojilova
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private static PropertyResourceBundle options = null;
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50 |
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private static String propertiesFile = "edu.ucsb.nceas.metacat.metacat";
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1002
|
berkley
|
private static boolean debug = false;
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109
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bojilova
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747
|
bojilova
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private Hashtable connectionPool = new Hashtable();
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55 |
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/**
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* Determine our db adapter class and create an instance of that class
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*/
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static {
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59 |
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try {
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777
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bojilova
|
dbAdapter = (AbstractDatabase)createObject(getOption("dbAdapter"));
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747
|
bojilova
|
} catch (Exception e) {
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System.err.println("Error in MetaCatUtil static block:" + e.getMessage());
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63 |
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}
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}
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// CONSTRUCTORS NOT NEEDED
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67 |
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// /**
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// * Construct an instance of the utility class
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// */
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70 |
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// public MetaCatUtil() {
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//
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// options = (PropertyResourceBundle)
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73 |
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// PropertyResourceBundle.getBundle(propertiesFile);
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// }
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//
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76 |
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// /**
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// * This constructor allows the usage of a different properties file
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// * @param propFile the properties file that you wish to use.
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79 |
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// */
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80 |
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// public MetaCatUtil(String propFile) {
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81 |
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//
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82 |
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// propertiesFile = propFile;
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// }
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84 |
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184
|
jones
|
/**
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86 |
747
|
bojilova
|
* Instantiate a class using the name of the class at runtime
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87 |
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*
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88 |
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* @param className the fully qualified name of the class to instantiate
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184
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jones
|
*/
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90 |
747
|
bojilova
|
public static Object createObject(String className) throws Exception {
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91 |
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92 |
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Object object = null;
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93 |
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try {
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94 |
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Class classDefinition = Class.forName(className);
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95 |
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object = classDefinition.newInstance();
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96 |
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} catch (InstantiationException e) {
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97 |
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throw e;
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98 |
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} catch (IllegalAccessException e) {
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99 |
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throw e;
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100 |
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} catch (ClassNotFoundException e) {
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101 |
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throw e;
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102 |
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}
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return object;
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104 |
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}
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/**
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107 |
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* Utility method to get an option value from the properties file
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108 |
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*
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109 |
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* @param optionName the name of the option requested
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110 |
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*/
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111 |
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public static String getOption(String optionName) {
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112 |
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// Get the configuration file information
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113 |
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if (options == null) {
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114 |
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options = (PropertyResourceBundle)
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115 |
184
|
jones
|
PropertyResourceBundle.getBundle(propertiesFile);
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116 |
747
|
bojilova
|
}
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117 |
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String value = (String)options.handleGetObject(optionName);
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return value;
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119 |
184
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jones
|
}
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120 |
747
|
bojilova
|
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121 |
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/**
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122 |
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* Utility method to get an option value from a properties file
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123 |
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*
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124 |
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* @param optionName the name of the option requested
|
125 |
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* @param propFile the name of the file where to get the properties from
|
126 |
354
|
berkley
|
*/
|
127 |
747
|
bojilova
|
public String getOption(String optionName, String propFile) {
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128 |
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// Get the configuration file information
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129 |
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PropertyResourceBundle options = (PropertyResourceBundle)
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130 |
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PropertyResourceBundle.getBundle(propFile);
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131 |
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String value = (String)options.handleGetObject(optionName);
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132 |
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return value;
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133 |
354
|
berkley
|
}
|
134 |
184
|
jones
|
|
135 |
50
|
jones
|
/**
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136 |
184
|
jones
|
* Utility method to establish a JDBC database connection using connection
|
137 |
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* info from the properties file
|
138 |
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*/
|
139 |
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public Connection openDBConnection()
|
140 |
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throws SQLException, ClassNotFoundException {
|
141 |
|
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return openDBConnection(getOption("dbDriver"), getOption("defaultDB"),
|
142 |
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getOption("user"), getOption("password"));
|
143 |
|
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}
|
144 |
|
|
|
145 |
|
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/**
|
146 |
50
|
jones
|
* Utility method to establish a JDBC database connection
|
147 |
|
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*
|
148 |
|
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* @param dbDriver the string representing the database driver
|
149 |
|
|
* @param connection the string representing the database connectin parameters
|
150 |
|
|
* @param user name of the user to use for database connection
|
151 |
|
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* @param password password for the user to use for database connection
|
152 |
|
|
*/
|
153 |
|
|
public static Connection openDBConnection(String dbDriver, String connection,
|
154 |
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String user, String password)
|
155 |
|
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throws SQLException, ClassNotFoundException {
|
156 |
|
|
|
157 |
|
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// Load the Oracle JDBC driver
|
158 |
|
|
Class.forName (dbDriver);
|
159 |
|
|
|
160 |
329
|
jones
|
debugMessage("Opening connection: " + connection);
|
161 |
50
|
jones
|
// Connect to the database
|
162 |
|
|
Connection conn = DriverManager.getConnection( connection, user, password);
|
163 |
|
|
return conn;
|
164 |
|
|
}
|
165 |
184
|
jones
|
|
166 |
309
|
bojilova
|
/* Utility method to create and return a pool of Connection objects */
|
167 |
|
|
public Hashtable getConnectionPool()
|
168 |
|
|
throws SQLException, ClassNotFoundException {
|
169 |
|
|
|
170 |
|
|
int initConn = (new Integer(getOption("initialConnections"))).intValue();
|
171 |
|
|
|
172 |
|
|
for ( int i = 0; i < initConn; i++ ) {
|
173 |
|
|
connectionPool.put( openDBConnection(), Boolean.FALSE );
|
174 |
|
|
}
|
175 |
|
|
|
176 |
|
|
return connectionPool;
|
177 |
|
|
}
|
178 |
|
|
|
179 |
|
|
/* Utility method to get a unused Connection object from the pool */
|
180 |
|
|
public Connection getConnection()
|
181 |
845
|
jones
|
throws SQLException, ClassNotFoundException, Exception
|
182 |
|
|
{
|
183 |
309
|
bojilova
|
|
184 |
|
|
Connection conn = null;
|
185 |
|
|
Enumeration connections = connectionPool.keys();
|
186 |
|
|
|
187 |
|
|
synchronized (connectionPool) {
|
188 |
|
|
while (connections.hasMoreElements()) {
|
189 |
320
|
bojilova
|
|
190 |
309
|
bojilova
|
conn = (Connection)connections.nextElement();
|
191 |
|
|
Boolean b = (Boolean)connectionPool.get(conn);
|
192 |
320
|
bojilova
|
|
193 |
739
|
bojilova
|
if (conn == null || conn.isClosed()) {
|
194 |
320
|
bojilova
|
// closed connection; replace it
|
195 |
|
|
conn = openDBConnection();
|
196 |
|
|
// update the pool to show this one taken
|
197 |
|
|
connectionPool.put(conn, Boolean.TRUE);
|
198 |
|
|
|
199 |
|
|
return conn;
|
200 |
|
|
} else if (b == Boolean.FALSE) {
|
201 |
309
|
bojilova
|
// unused connection; test if it works and get it
|
202 |
|
|
try {
|
203 |
|
|
conn.setAutoCommit(true);
|
204 |
|
|
} catch (SQLException e) {
|
205 |
|
|
// problem with the connection, replace it
|
206 |
|
|
conn = openDBConnection();
|
207 |
|
|
}
|
208 |
|
|
// update the pool to show this one taken
|
209 |
|
|
connectionPool.put(conn, Boolean.TRUE);
|
210 |
320
|
bojilova
|
|
211 |
309
|
bojilova
|
return conn;
|
212 |
|
|
}
|
213 |
|
|
}
|
214 |
320
|
bojilova
|
}
|
215 |
309
|
bojilova
|
|
216 |
|
|
// If we get here, there no free connections;
|
217 |
|
|
// we need to make more
|
218 |
|
|
int incConn = (new Integer(getOption("incrementConnections"))).intValue();
|
219 |
320
|
bojilova
|
int maxConn = (new Integer(getOption("maximumConnections"))).intValue();
|
220 |
|
|
int k = connectionPool.size();
|
221 |
|
|
if ( k >= maxConn ) {
|
222 |
|
|
throw new Exception("The maximum of " + maxConn +
|
223 |
|
|
" open db connections is reached." +
|
224 |
|
|
" New db connection to MetaCat" +
|
225 |
|
|
" cannot be established.");
|
226 |
|
|
}
|
227 |
|
|
|
228 |
|
|
// decide how many new connections to open; no more than the maximum
|
229 |
|
|
if ( incConn > maxConn - k ) { incConn = maxConn - k; }
|
230 |
|
|
|
231 |
|
|
// get them
|
232 |
309
|
bojilova
|
for ( int i = 0; i < incConn; i++ ) {
|
233 |
|
|
connectionPool.put( openDBConnection(), Boolean.FALSE );
|
234 |
|
|
}
|
235 |
320
|
bojilova
|
|
236 |
309
|
bojilova
|
// Recurse to get one of the new connections
|
237 |
|
|
return getConnection();
|
238 |
|
|
}
|
239 |
|
|
|
240 |
|
|
/* Utility method to give the connection back to the pool */
|
241 |
|
|
public void returnConnection (Connection returned) {
|
242 |
|
|
|
243 |
|
|
Connection conn;
|
244 |
|
|
Enumeration connections = connectionPool.keys();
|
245 |
|
|
|
246 |
739
|
bojilova
|
try {
|
247 |
|
|
if ( (returned != null) && !(returned.isClosed()) ) {
|
248 |
|
|
while (connections.hasMoreElements()) {
|
249 |
|
|
conn = (Connection)connections.nextElement();
|
250 |
|
|
if ( conn == returned ) {
|
251 |
309
|
bojilova
|
connectionPool.put( conn, Boolean.FALSE );
|
252 |
|
|
break;
|
253 |
739
|
bojilova
|
}
|
254 |
309
|
bojilova
|
}
|
255 |
739
|
bojilova
|
}
|
256 |
|
|
} catch (SQLException e) {}
|
257 |
309
|
bojilova
|
}
|
258 |
320
|
bojilova
|
|
259 |
464
|
bojilova
|
/* Return the size of the pool */
|
260 |
|
|
public int getPoolSize() {
|
261 |
|
|
return connectionPool.size();
|
262 |
|
|
}
|
263 |
|
|
|
264 |
320
|
bojilova
|
/* Utility method to close all the connection from the pool */
|
265 |
|
|
public void closeConnections() {
|
266 |
|
|
|
267 |
|
|
Connection conn;
|
268 |
|
|
Enumeration connections = connectionPool.keys();
|
269 |
|
|
|
270 |
|
|
while (connections.hasMoreElements()) {
|
271 |
|
|
conn = (Connection)connections.nextElement();
|
272 |
739
|
bojilova
|
try {
|
273 |
|
|
if ( (conn != null) && !(conn.isClosed()) ) {
|
274 |
|
|
conn.close();
|
275 |
|
|
}
|
276 |
|
|
} catch (SQLException e) {}
|
277 |
320
|
bojilova
|
}
|
278 |
|
|
}
|
279 |
309
|
bojilova
|
|
280 |
|
|
|
281 |
185
|
jones
|
/** Utility method to convert a file handle into a URL */
|
282 |
|
|
public static URL fileToURL(File file)
|
283 |
|
|
{
|
284 |
|
|
String path = file.getAbsolutePath();
|
285 |
|
|
String fSep = System.getProperty("file.separator");
|
286 |
|
|
if (fSep != null && fSep.length() == 1)
|
287 |
|
|
path = path.replace(fSep.charAt(0), '/');
|
288 |
|
|
if (path.length() > 0 && path.charAt(0) != '/')
|
289 |
|
|
path = '/' + path;
|
290 |
|
|
try {
|
291 |
|
|
return new URL("file", null, path);
|
292 |
|
|
}
|
293 |
|
|
catch (java.net.MalformedURLException e) {
|
294 |
|
|
/* According to the spec this could only happen if the file
|
295 |
|
|
protocol were not recognized. */
|
296 |
|
|
throw new Error("unexpected MalformedURLException");
|
297 |
|
|
}
|
298 |
|
|
}
|
299 |
|
|
|
300 |
|
|
/**
|
301 |
566
|
jones
|
* Utility method to parse the query part of a URL into parameters. This
|
302 |
|
|
* method assumes the format of the query par tof the url is an
|
303 |
|
|
* ampersand separated list of name/value pairs, with equal signs separating
|
304 |
|
|
* the name from the value (e.g., name=tom&zip=99801 ). Returns a
|
305 |
|
|
* has of the name value pairs, hashed on name.
|
306 |
|
|
*/
|
307 |
|
|
public static Hashtable parseQuery(String query) throws MalformedURLException
|
308 |
|
|
{
|
309 |
|
|
String[][] params = new String[200][2];
|
310 |
|
|
Hashtable parameters = new Hashtable();
|
311 |
|
|
|
312 |
|
|
String temp = "";
|
313 |
|
|
boolean ampflag = true;
|
314 |
|
|
boolean poundflag = false;
|
315 |
|
|
int arrcount = 0;
|
316 |
|
|
|
317 |
731
|
bojilova
|
if ( query != null ) {
|
318 |
|
|
for (int i=0; i < query.length(); i++) {
|
319 |
566
|
jones
|
|
320 |
731
|
bojilova
|
// go throught the remainder of the query one character at a time.
|
321 |
|
|
if (query.charAt(i) == '=') {
|
322 |
|
|
// if the current char is a # then the preceding should be a name
|
323 |
|
|
if (!poundflag && ampflag) {
|
324 |
|
|
params[arrcount][0] = temp.trim();
|
325 |
|
|
temp = "";
|
326 |
|
|
} else {
|
327 |
|
|
//if there are two #s or &s in a row throw an exception.
|
328 |
|
|
throw new MalformedURLException("metacatURL: Two parameter names "+
|
329 |
|
|
"not allowed in sequence");
|
330 |
|
|
}
|
331 |
|
|
poundflag = true;
|
332 |
|
|
ampflag = false;
|
333 |
|
|
} else if (query.charAt(i) == '&' || i == query.length()-1) {
|
334 |
|
|
//the text preceding the & should be the param value.
|
335 |
|
|
if (i == query.length() - 1) {
|
336 |
|
|
//if at the end of the string grab the last value and append it.
|
337 |
|
|
if (query.charAt(i) != '=') {
|
338 |
566
|
jones
|
//ignore an extra & on the end of the string
|
339 |
731
|
bojilova
|
temp += query.charAt(i);
|
340 |
|
|
}
|
341 |
566
|
jones
|
}
|
342 |
731
|
bojilova
|
|
343 |
|
|
if (!ampflag && poundflag) {
|
344 |
|
|
params[arrcount][1] = temp.trim();
|
345 |
|
|
parameters.put(params[arrcount][0], params[arrcount][1]);
|
346 |
|
|
temp = "";
|
347 |
|
|
arrcount++; //increment the array to the next row.
|
348 |
|
|
} else {
|
349 |
|
|
//if there are two =s or &s in a row through an exception
|
350 |
|
|
throw new MalformedURLException("metacatURL: Two parameter values "+
|
351 |
|
|
"not allowed in sequence");
|
352 |
|
|
}
|
353 |
|
|
poundflag = false;
|
354 |
|
|
ampflag = true;
|
355 |
566
|
jones
|
} else {
|
356 |
731
|
bojilova
|
//get the next character in the string
|
357 |
|
|
temp += query.charAt(i);
|
358 |
566
|
jones
|
}
|
359 |
|
|
}
|
360 |
|
|
}
|
361 |
|
|
return parameters;
|
362 |
|
|
}
|
363 |
|
|
|
364 |
1053
|
tao
|
/**
|
365 |
|
|
* Utility method to print debugging messages. User can set debug level
|
366 |
|
|
* for this message. The number is fewer, the message is more important
|
367 |
|
|
* @param msg, the content of the message
|
368 |
|
|
* @param debugLevel, an integer indicating the message debug leve
|
369 |
|
|
*/
|
370 |
|
|
public static void debugMessage(String msg, int debugLevel)
|
371 |
|
|
{
|
372 |
|
|
int limit = 1;
|
373 |
|
|
try
|
374 |
|
|
{
|
375 |
|
|
limit=Integer.parseInt(getOption("debuglevel"));
|
376 |
|
|
|
377 |
|
|
}
|
378 |
|
|
catch (Exception e)
|
379 |
|
|
{
|
380 |
|
|
System.out.println(e.getMessage());
|
381 |
|
|
}
|
382 |
|
|
//don't allow the user set debugLevel less than or equals 0
|
383 |
|
|
if (debugLevel<=0)
|
384 |
|
|
{
|
385 |
|
|
debugLevel=1;
|
386 |
|
|
}
|
387 |
|
|
|
388 |
|
|
if (debugLevel < limit)
|
389 |
|
|
{
|
390 |
|
|
System.err.println(msg);
|
391 |
|
|
}
|
392 |
|
|
}
|
393 |
|
|
|
394 |
566
|
jones
|
/**
|
395 |
185
|
jones
|
* Utility method to print debugging messages
|
396 |
|
|
*
|
397 |
|
|
* @param flag an integer indicating the message number
|
398 |
|
|
*/
|
399 |
203
|
jones
|
public static void debugMessage(int flag) {
|
400 |
|
|
if (debug) {
|
401 |
|
|
System.err.println("DEBUG FLAG: " + flag);
|
402 |
|
|
}
|
403 |
185
|
jones
|
}
|
404 |
203
|
jones
|
|
405 |
|
|
/**
|
406 |
|
|
* Utility method to print debugging messages
|
407 |
|
|
*
|
408 |
|
|
* @param flag an integer indicating the message number
|
409 |
|
|
*/
|
410 |
|
|
public static void debugMessage(String msg) {
|
411 |
|
|
if (debug) {
|
412 |
|
|
System.err.println(msg);
|
413 |
|
|
}
|
414 |
|
|
}
|
415 |
887
|
berkley
|
|
416 |
1000
|
berkley
|
public static void debug(String msg)
|
417 |
|
|
{
|
418 |
|
|
if(debug)
|
419 |
|
|
{
|
420 |
|
|
System.err.println(msg);
|
421 |
|
|
}
|
422 |
|
|
}
|
423 |
|
|
|
424 |
1053
|
tao
|
|
425 |
|
|
|
426 |
887
|
berkley
|
public static Vector getOptionList(String optiontext)
|
427 |
|
|
{
|
428 |
|
|
Vector options = new Vector();
|
429 |
|
|
if(optiontext.indexOf(",") == -1)
|
430 |
|
|
{
|
431 |
|
|
options.addElement(optiontext);
|
432 |
|
|
return options;
|
433 |
|
|
}
|
434 |
|
|
|
435 |
|
|
while(optiontext.indexOf(",") != -1)
|
436 |
|
|
{
|
437 |
|
|
String s = optiontext.substring(0, optiontext.indexOf(","));
|
438 |
|
|
options.addElement(s.trim());
|
439 |
|
|
optiontext = optiontext.substring(optiontext.indexOf(",") + 1,
|
440 |
|
|
optiontext.length());
|
441 |
|
|
if(optiontext.indexOf(",") == -1)
|
442 |
|
|
{ //catch the last list entry
|
443 |
|
|
options.addElement(optiontext.trim());
|
444 |
|
|
}
|
445 |
|
|
}
|
446 |
|
|
return options;
|
447 |
|
|
}
|
448 |
894
|
berkley
|
|
449 |
|
|
/** Normalizes the given string. Taken from configXML.java*/
|
450 |
|
|
public static String normalize(String s)
|
451 |
|
|
{
|
452 |
|
|
StringBuffer str = new StringBuffer();
|
453 |
|
|
|
454 |
|
|
int len = (s != null) ? s.length() : 0;
|
455 |
|
|
for (int i = 0; i < len; i++)
|
456 |
|
|
{
|
457 |
|
|
char ch = s.charAt(i);
|
458 |
|
|
switch (ch)
|
459 |
|
|
{
|
460 |
|
|
case '<':
|
461 |
|
|
{
|
462 |
|
|
str.append("<");
|
463 |
|
|
break;
|
464 |
|
|
}
|
465 |
|
|
case '>':
|
466 |
|
|
{
|
467 |
|
|
str.append(">");
|
468 |
|
|
break;
|
469 |
|
|
}
|
470 |
|
|
case '&':
|
471 |
|
|
{
|
472 |
|
|
str.append("&");
|
473 |
|
|
break;
|
474 |
|
|
}
|
475 |
|
|
case '"':
|
476 |
|
|
{
|
477 |
|
|
str.append(""");
|
478 |
|
|
break;
|
479 |
|
|
}
|
480 |
|
|
case '\r':
|
481 |
|
|
case '\n':
|
482 |
|
|
{
|
483 |
|
|
// else, default append char
|
484 |
|
|
}
|
485 |
|
|
default:
|
486 |
|
|
{
|
487 |
|
|
str.append(ch);
|
488 |
|
|
}
|
489 |
|
|
}
|
490 |
|
|
}
|
491 |
|
|
return (str.toString());
|
492 |
|
|
}
|
493 |
|
|
|
494 |
942
|
tao
|
/**
|
495 |
|
|
* Utility method to get docid from a given string
|
496 |
|
|
* @param string, the given string should be these two format:
|
497 |
|
|
* 1) str1.str2 in this case docid= str1.str2
|
498 |
|
|
* 2) str1.str2.str3, in this case docid =str1.str2
|
499 |
|
|
* @param the sperator char
|
500 |
|
|
*/
|
501 |
|
|
public static String getDocIdFromString(String str)
|
502 |
|
|
{
|
503 |
|
|
String docId = null;
|
504 |
|
|
int dotNumber = 0;//count how many dots in given string
|
505 |
|
|
int indexOfLastDot = 0;
|
506 |
|
|
|
507 |
|
|
//assume that seperator is one charactor string
|
508 |
|
|
char seperator=getOption("accNumSeparator").charAt(0);
|
509 |
|
|
|
510 |
|
|
for (int i=0; i<str.length(); i++)
|
511 |
|
|
{
|
512 |
|
|
if ( str.charAt(i)==seperator)
|
513 |
|
|
{
|
514 |
|
|
dotNumber++;//count how many dots
|
515 |
|
|
indexOfLastDot=i;//keep the last dot postion
|
516 |
|
|
}
|
517 |
|
|
}//for
|
518 |
|
|
|
519 |
|
|
//The string formatt is wrong, because it has more than two or less than
|
520 |
|
|
//one seperator
|
521 |
|
|
if ( dotNumber>2 || dotNumber < 1)
|
522 |
|
|
{
|
523 |
|
|
docId=null;
|
524 |
|
|
}
|
525 |
|
|
else if (dotNumber == 2) //the case for str1.str2.str3
|
526 |
|
|
{
|
527 |
|
|
docId=str.substring(0, indexOfLastDot);
|
528 |
|
|
}
|
529 |
|
|
else if (dotNumber == 1) //the case for str1.str2
|
530 |
|
|
{
|
531 |
|
|
docId=str;
|
532 |
|
|
}
|
533 |
|
|
|
534 |
|
|
return docId;
|
535 |
|
|
}//getDocIdFromString
|
536 |
|
|
|
537 |
|
|
/**
|
538 |
|
|
* Utility method to get version number from a given string
|
539 |
|
|
* @param string, the given string should be these two format:
|
540 |
|
|
* 1) str1.str2(no version) version =-1;
|
541 |
|
|
* 2) str1.str2.str3, in this case version = str3;
|
542 |
|
|
* 3) other, vresion =-2
|
543 |
|
|
* @param the sperator char
|
544 |
|
|
*/
|
545 |
|
|
public static int getVersionFromString(String str)
|
546 |
|
|
throws NumberFormatException
|
547 |
|
|
{
|
548 |
|
|
int version=-1;
|
549 |
|
|
String versionString=null;
|
550 |
|
|
int dotNumber = 0;//count how many dots in given string
|
551 |
|
|
int indexOfLastDot = 0;
|
552 |
|
|
|
553 |
|
|
//assume that seperator is one charactor string
|
554 |
|
|
char seperator=getOption("accNumSeparator").charAt(0);
|
555 |
|
|
|
556 |
|
|
for (int i=0; i<str.length(); i++)
|
557 |
|
|
{
|
558 |
|
|
if ( str.charAt(i)==seperator)
|
559 |
|
|
{
|
560 |
|
|
dotNumber++;//count how many dots
|
561 |
|
|
indexOfLastDot=i;//keep the last dot postion
|
562 |
|
|
}
|
563 |
|
|
}//for
|
564 |
|
|
|
565 |
|
|
//The string formatt is wrong, because it has more than two or less than
|
566 |
|
|
//one seperator
|
567 |
|
|
if ( dotNumber>2 || dotNumber < 1)
|
568 |
|
|
{
|
569 |
|
|
version=-2;
|
570 |
|
|
}
|
571 |
|
|
else if (dotNumber == 2) //the case for str1.str2.str3
|
572 |
|
|
{
|
573 |
|
|
versionString=str.substring((indexOfLastDot+1), str.length());
|
574 |
|
|
version=Integer.parseInt(versionString);
|
575 |
|
|
}
|
576 |
|
|
else if (dotNumber == 1) //the case for str1.str2
|
577 |
|
|
{
|
578 |
|
|
version=-1;
|
579 |
|
|
}
|
580 |
|
|
|
581 |
|
|
return version;
|
582 |
|
|
}//getVersionFromString
|
583 |
|
|
|
584 |
1013
|
tao
|
/**
|
585 |
|
|
* Method to get the name of local replication server
|
586 |
|
|
*/
|
587 |
1060
|
tao
|
public static String getLocalReplicationServerName()
|
588 |
1013
|
tao
|
{
|
589 |
|
|
String replicationServerName=null;
|
590 |
|
|
String serverHost=null;
|
591 |
|
|
serverHost=getOption("server");
|
592 |
|
|
// append "context/servelet/replication" to the host name
|
593 |
|
|
replicationServerName=serverHost+getOption("replicationpath");
|
594 |
|
|
return replicationServerName;
|
595 |
|
|
|
596 |
|
|
}
|
597 |
|
|
|
598 |
50
|
jones
|
}
|