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* Use sub-properties for getting DbSource settings and comparing DbSource instances.

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Fixes http://helma.org/bugs/show_bug.cgi?id=500 and improves the code.
This commit is contained in:
hns 2007-02-21 10:45:24 +00:00
parent 43165e0bab
commit cecd2af590
1 changed files with 12 additions and 16 deletions
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28
src/helma/objectmodel/db/DbSource.java
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@ -32,7 +32,7 @@ public class DbSource {
private static ResourceProperties defaultProps = null;
private Properties conProps;
private String name;
private ResourceProperties props;
private ResourceProperties props, subProps;
protected String url;
private String driver;
private boolean isOracle, isMySQL, isPostgreSQL;
@ -103,11 +103,13 @@ public class DbSource {
lastRead = (defaultProps == null) ? props.lastModified()
: Math.max(props.lastModified(),
defaultProps.lastModified());
// refresh sub-properties for this DbSource
subProps = props.getSubProperties(name + '.');
// use properties hashcode for ourselves
hashcode = props.hashCode();
hashcode = subProps.hashCode();
// get JDBC URL and driver class name
url = props.getProperty(name + ".url");
driver = props.getProperty(name + ".driver");
url = subProps.getProperty("url");
driver = subProps.getProperty("driver");
// sanity checks
if (url == null) {
throw new NullPointerException(name+".url is not defined in db.properties");
@ -125,25 +127,19 @@ public class DbSource {
// set up driver connection properties
conProps=new Properties();
String prop = props.getProperty(name + ".user");
String prop = subProps.getProperty("user");
if (prop != null) {
conProps.put("user", prop);
}
prop = props.getProperty(name + ".password");
prop = subProps.getProperty("password");
if (prop != null) {
conProps.put("password", prop);
}
// read any remaining extra properties to be passed to the driver
for (Enumeration e = props.keys(); e.hasMoreElements(); ) {
String fullkey = (String) e.nextElement();
for (Enumeration e = subProps.keys(); e.hasMoreElements(); ) {
String key = (String) e.nextElement();
int dot = fullkey.indexOf('.');
// filter out properties that don't belong to this data source
if (dot < 0 || !fullkey.substring(0, dot).equalsIgnoreCase(name)) {
continue;
}
String key = fullkey.substring(dot+1);
// filter out properties we alread have
if ("url".equalsIgnoreCase(key) ||
"driver".equalsIgnoreCase(key) ||
@ -151,7 +147,7 @@ public class DbSource {
"password".equalsIgnoreCase(key)) {
continue;
}
conProps.setProperty(key, props.getProperty(fullkey));
conProps.setProperty(key, subProps.getProperty(key));
}
}
@ -240,6 +236,6 @@ public class DbSource {
* Indicates whether some other object is "equal to" this one.
*/
public boolean equals(Object obj) {
return obj instanceof DbSource && props.equals(((DbSource) obj).props);
return obj instanceof DbSource && subProps.equals(((DbSource) obj).subProps);
}
}