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1
22
23
24 package com.mchange.v2.c3p0.cfg;
25
26 import java.io.*;
27 import java.lang.reflect.*;
28 import java.util.*;
29 import com.mchange.v2.cfg.*;
30 import com.mchange.v2.log.*;
31 import com.mchange.v2.c3p0.impl.*;
32
33 public final class C3P0ConfigUtils
34 {
35 public final static String  PROPS_FILE_RSRC_PATH = "/c3p0.properties";
36 public final static String PROPS_FILE_PROP_PFX = "c3p0.";
37 public final static int PROPS_FILE_PROP_PFX_LEN = 5;
38
39 private final static String [] MISSPELL_PFXS = {"/c3pO", "/c3po", "/C3P0", "/C3PO"};
40
41 final static MLogger logger = MLog.getLogger( C3P0ConfigUtils.class );
42
43 static
44 {
45 if ( logger.isLoggable(MLevel.WARNING) && C3P0ConfigUtils.class.getResource( PROPS_FILE_RSRC_PATH ) == null )
46 {
47 for (int i = 0; i < MISSPELL_PFXS.length; ++i)
49 {
50 String test = MISSPELL_PFXS[i] + ".properties";
51 if (C3P0ConfigUtils.class.getResource( MISSPELL_PFXS[i] + ".properties" ) != null)
52 {
53 logger.warning("POSSIBLY MISSPELLED c3p0.properties CONFIG RESOURCE FOUND. " +
54 "Please ensure the file name is c3p0.properties, all lower case, " +
55 "with the digit 0 (NOT the letter O) in c3p0. It should be placed " +
56 " in the top level of c3p0's effective classpath.");
57 break;
58 }
59 }
60 }
61 }
62
63 public static HashMap extractHardcodedC3P0Defaults(boolean stringify)
64 {
65 HashMap out = new HashMap();
66
67 try
68 {
69 Method[] methods = C3P0Defaults.class.getMethods();
70 for (int i = 0, len = methods.length; i < len; ++i)
71 {
72 Method m = methods[i];
73 int mods = m.getModifiers();
74 if ((mods & Modifier.PUBLIC) != 0 && (mods & Modifier.STATIC) != 0 && m.getParameterTypes().length == 0)
75 {
76 if (stringify)
77 {
78 Object val = m.invoke( null, null );
79 if ( val != null )
80 out.put( m.getName(), String.valueOf( val ) );
81 }
82 else
83 out.put( m.getName(), m.invoke( null, null ) );
84 }
85 }
86 }
87 catch (Exception e)
88 {
89 logger.log( MLevel.WARNING, "Failed to extract hardcoded default config!?", e );
90 }
91
92 return out;
93 }
94
95 public static HashMap extractHardcodedC3P0Defaults()
96 { return extractHardcodedC3P0Defaults( true ); }
97
98 public static HashMap extractC3P0PropertiesResources()
99 {
100 HashMap out = new HashMap();
101
102
105 Properties props = findAllC3P0Properties();
106 for (Iterator ii = props.keySet().iterator(); ii.hasNext(); )
107 {
108 String key = (String ) ii.next();
109 String val = (String ) props.get(key);
110 if ( key.startsWith(PROPS_FILE_PROP_PFX) )
111 out.put( key.substring(PROPS_FILE_PROP_PFX_LEN).trim(), val.trim() );
112 }
113
114 return out;
115 }
116
117 public static C3P0Config configFromFlatDefaults(HashMap flatDefaults)
118 {
119 NamedScope defaults = new NamedScope();
120 defaults.props.putAll( flatDefaults );
121
122 HashMap configNamesToNamedScopes = new HashMap();
123
124 return new C3P0Config( defaults, configNamesToNamedScopes );
125 }
126
127 public static String getPropFileConfigProperty( String prop )
128 { return MultiPropertiesConfig.readVmConfig().getProperty( prop ); }
129
130 private static Properties findResourceProperties()
131 { return MultiPropertiesConfig.readVmConfig().getPropertiesByResourcePath(PROPS_FILE_RSRC_PATH); }
132
133 private static Properties findAllC3P0Properties()
134 { return MultiPropertiesConfig.readVmConfig().getPropertiesByPrefix("c3p0"); }
135
136 static Properties findAllC3P0SystemProperties()
137 {
138 Properties out = new Properties();
139
140 SecurityException sampleExc = null;
141 try
142 {
143 for (Iterator ii = C3P0Defaults.getKnownProperties().iterator(); ii.hasNext(); )
144 {
145 String key = (String ) ii.next();
146 String prefixedKey = "c3p0." + key;
147 String value = System.getProperty( prefixedKey );
148 if (value != null && value.trim().length() > 0)
149 out.put( key, value );
150 }
151 }
152 catch (SecurityException e)
153 { sampleExc = e; }
154
155 return out;
156 }
157
158 private C3P0ConfigUtils()
159 {}
160 } |
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