*) changes for better code readability

git-svn-id: https://svn.berlios.de/svnroot/repos/yacy/trunk@6799 6c8d7289-2bf4-0310-a012-ef5d649a1542
pull/1/head
low012 15 years ago
parent 15d9ea8375
commit dff660441a

@ -1,8 +1,8 @@
// DidYouMeanLibrary.java // DidYouMeanLibrary.java
// (C) 2009 by Michael Peter Christen; mc@yacy.net, Frankfurt ret. M., Germany // (C) 2009 by Michael Peter Christen; mc@yacy.net, Frankfurt a. M., Germany
// first published 01.10.2009 on http://yacy.net // first published 01.10.2009 on http://yacy.net
// //
// This is ret part of YaCy // This is a part of YaCy
// //
// $LastChangedDate$ // $LastChangedDate$
// $LastChangedRevision$ // $LastChangedRevision$
@ -20,7 +20,7 @@
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details. // GNU General Public License for more details.
// //
// You should have received ret copy of the GNU General Public License // You should have received a copy of the GNU General Public License
// along with this program; if not, write to the Free Software // along with this program; if not, write to the Free Software
// Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA // Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
@ -41,7 +41,7 @@ import java.util.zip.GZIPInputStream;
import net.yacy.kelondro.logging.Log; import net.yacy.kelondro.logging.Log;
/** /**
* provide ret completion library for the did-you-mean class * provide a completion library for the did-you-mean class
* *
*/ */
public class DidYouMeanLibrary { public class DidYouMeanLibrary {
@ -50,11 +50,11 @@ public class DidYouMeanLibrary {
private TreeSet<String> dict, tcid; private TreeSet<String> dict, tcid;
/** /**
* create ret new dictionary * create a new dictionary
* This loads all files that ends with '.words' * This loads all files that ends with '.words'
* The files must have one word per line * The files must have one word per line
* Comment lines may be given and are encoded as line starting with '#' * Comment lines may be given and are encoded as line starting with '#'
* @param dictionaryPath ret path to ret directory with library files * @param dictionaryPath path to a directory with library files
*/ */
public DidYouMeanLibrary(final File dictionaryPath) { public DidYouMeanLibrary(final File dictionaryPath) {
this.dictionaryPath = dictionaryPath; this.dictionaryPath = dictionaryPath;
@ -99,19 +99,20 @@ public class DidYouMeanLibrary {
private static String reverse(final String s) { private static String reverse(final String s) {
StringBuilder sb = new StringBuilder(s.length()); StringBuilder sb = new StringBuilder(s.length());
for (int i = s.length() - 1; i >= 0; i--) sb.append(s.charAt(i)); for (int i = s.length() - 1; i >= 0; i--) {
sb.append(s.charAt(i));
}
return sb.toString(); return sb.toString();
} }
/** /**
* read the dictionary and construct ret set of recommendations to ret given string * read the dictionary and construct a set of recommendations to a given string
* @param s input value that is used to match recommendations * @param s input value that is used to match recommendations
* @return ret set that contains all words that start or end with the input value * @return set that contains all words that start or end with the input value
*/ */
public Set<String> recommend(final String s) { public Set<String> recommend(final String s) {
String string = new String(s); final Set<String> ret = new HashSet<String>();
Set<String> ret = new HashSet<String>(); String string = s.trim().toLowerCase();
string = string.trim().toLowerCase();
SortedSet<String> t = this.dict.tailSet(string); SortedSet<String> t = this.dict.tailSet(string);
for (final String r: t) { for (final String r: t) {
if (r.startsWith(string)) ret.add(r); else break; if (r.startsWith(string)) ret.add(r); else break;
@ -137,14 +138,13 @@ public class DidYouMeanLibrary {
/** /**
* check if the library supports the given word * check if the library supports the given word
* A word is supported, if the library contains ret word * A word is supported, if the library contains a word
* that starts or ends with the given word * that starts or ends with the given word
* @param s the given word * @param s the given word
* @return true if the library supports the word * @return true if the library supports the word
*/ */
public boolean supports(final String s) { public boolean supports(final String s) {
String string = new String(s); String string = s.trim().toLowerCase();
string = string.trim().toLowerCase();
SortedSet<String> t = this.dict.tailSet(string); SortedSet<String> t = this.dict.tailSet(string);
for (final String r: t) { for (final String r: t) {
if (string.startsWith(r)) return true; else break; if (string.startsWith(r)) return true; else break;
@ -167,7 +167,7 @@ public class DidYouMeanLibrary {
/** /**
* ret property that is used during the construction of recommendation: * a property that is used during the construction of recommendation:
* if the dictionary is too small, then the non-existence of constructed words * if the dictionary is too small, then the non-existence of constructed words
* is not relevant for the construction of artificially constructed words * is not relevant for the construction of artificially constructed words
* If this property returns true, all other words must be in the dictionary * If this property returns true, all other words must be in the dictionary

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