antville/helma
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Added feature to switch case sensitivity on and off.

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hns 2003-06-24 14:05:12 +00:00
parent 33ea2b629a
commit 51ef5f0ff3
1 changed files with 33 additions and 10 deletions
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43
src/helma/util/SystemProperties.java
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@ -24,16 +24,20 @@ import java.util.*;
* file is modified. It is also case insensitive. * file is modified. It is also case insensitive.
*/ */
public final class SystemProperties extends Properties { public final class SystemProperties extends Properties {
final static long cacheTime = 1500L; final static long cacheTime = 1500L;
private SystemProperties defaultProps; // the default/fallback properties. private SystemProperties defaultProps; // the default/fallback properties.
private File file; // the underlying properties file from which we read. private File file; // the underlying properties file from which we read.
private long lastread; // time we last read/checked the underlying properties file private long lastread; // time we last read the underlying properties file
private long lastcheck; // time we last read/checked the underlying properties file private long lastcheck; // time we last checked the underlying properties file
private long lastadd; // time we last read/checked the underlying properties file private long lastadd; // time we last added or removed additional props
// map of additional properties // map of additional properties
private HashMap additionalProps = null; private HashMap additionalProps = null;
// are keys case sensitive?
private boolean ignoreCase = true;
/** /**
* Construct an empty properties object. * Construct an empty properties object.
*/ */
@ -112,7 +116,7 @@ public final class SystemProperties extends Properties {
* Private method to read file if it has been changed since the last time we did * Private method to read file if it has been changed since the last time we did
*/ */
private void checkFile() { private void checkFile() {
if ((file != null) && file.exists() && (file.lastModified() > lastread)) { if ((file != null) && (file.lastModified() > lastread)) {
readFile(); readFile();
} }
@ -203,7 +207,7 @@ public final class SystemProperties extends Properties {
value = value.toString().trim(); value = value.toString().trim();
} }
return super.put(key.toString().toLowerCase(), value); return super.put(ignoreCase ? key.toString().toLowerCase() : key, value);
} }
/** /**
@ -214,14 +218,14 @@ public final class SystemProperties extends Properties {
checkFile(); checkFile();
} }
return super.get(key.toString().toLowerCase()); return super.get(ignoreCase ? key.toString().toLowerCase() : key);
} }
/** /**
* Overrides method to act on the wrapped properties object. * Overrides method to act on the wrapped properties object.
*/ */
public Object remove(Object key) { public Object remove(Object key) {
return super.remove(key.toString().toLowerCase()); return super.remove(ignoreCase ? key.toString().toLowerCase() : key);
} }
/** /**
@ -243,7 +247,7 @@ public final class SystemProperties extends Properties {
checkFile(); checkFile();
} }
return super.containsKey(key.toString().toLowerCase()); return super.containsKey(ignoreCase ? key.toString().toLowerCase() : key);
} }
/** /**
@ -265,7 +269,7 @@ public final class SystemProperties extends Properties {
checkFile(); checkFile();
} }
return super.getProperty(name.toLowerCase()); return super.getProperty(ignoreCase ? name.toLowerCase() : name);
} }
/** /**
@ -276,7 +280,8 @@ public final class SystemProperties extends Properties {
checkFile(); checkFile();
} }
return super.getProperty(name.toLowerCase(), defaultValue); return super.getProperty(ignoreCase ?
name.toLowerCase() : name.toLowerCase(), defaultValue);
} }
/** /**
@ -329,4 +334,22 @@ public final class SystemProperties extends Properties {
public String toString() { public String toString() {
return super.toString(); return super.toString();
} }
/**
* Turns case sensitivity for keys in this Map on or off.
*/
public void setIgnoreCase(boolean ignore) {
if (!super.isEmpty()) {
throw new RuntimeException("setIgnoreCase() can only be called on empty Properties");
}
ignoreCase = ignore;
}
/**
* Returns true if this property map ignores key case
*/
public boolean isIgnoreCase() {
return ignoreCase;
}
} }