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remove java 1.4 dependent code in order to maintain java 1.3 level compatibility 

git-svn-id: https://svn.apache.org/repos/asf/lucene/java/trunk@150231 13f79535-47bb-0310-9956-ffa450edef68
This commit is contained in:
Tim Jones 2004-03-17 18:11:02 +00:00
parent 1a8688c18f
commit 5d2812b8f5
1 changed files with 24 additions and 3 deletions
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27
src/java/org/apache/lucene/search/FieldSortedHitQueue.java
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@ -23,7 +23,6 @@ import org.apache.lucene.util.PriorityQueue;
import java.io.IOException;
import java.util.Hashtable;
import java.util.regex.Pattern;
/**
* Expert: Base class for collecting results from a search and sorting
@ -84,10 +83,14 @@ extends PriorityQueue {
protected static final Hashtable fieldCache = new Hashtable();
/** The pattern used to detect integer values in a field */
protected static final Pattern pIntegers = Pattern.compile ("[0-9\\-]+");
/** removed for java 1.3 compatibility
protected static final Pattern pIntegers = Pattern.compile ("[0-9\\-]+");
**/
/** The pattern used to detect float values in a field */
protected static final Pattern pFloats = Pattern.compile ("[0-9+\\-\\.eEfFdD]+");
/** removed for java 1.3 compatibility
protected static final Object pFloats = Pattern.compile ("[0-9+\\-\\.eEfFdD]+");
**/
/**
@ -187,11 +190,29 @@ extends PriorityQueue {
if (term.field() == field) {
String termtext = term.text().trim();
/**
* Java 1.4 level code:
if (pIntegers.matcher(termtext).matches())
return IntegerSortedHitQueue.comparator (reader, enumerator, field);
else if (pFloats.matcher(termtext).matches())
return FloatSortedHitQueue.comparator (reader, enumerator, field);
*/
// Java 1.3 level code:
try {
Integer.parseInt (termtext);
return IntegerSortedHitQueue.comparator (reader, enumerator, field);
} catch (NumberFormatException nfe) {
// nothing
}
try {
Float.parseFloat (termtext);
return FloatSortedHitQueue.comparator (reader, enumerator, field);
} catch (NumberFormatException nfe) {
// nothing
}
return StringSortedHitQueue.comparator (reader, enumerator, field);