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/* LanguageTool, a natural language style checker
* Copyright (C) 2005 Daniel Naber (http://www.danielnaber.de)
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301
* USA
*/
package de.danielnaber.languagetool.rules;
import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStream;
import java.io.InputStreamReader;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.List;
import java.util.Locale;
import java.util.Map;
import java.util.ResourceBundle;
import de.danielnaber.languagetool.AnalyzedSentence;
import de.danielnaber.languagetool.AnalyzedTokenReadings;
import de.danielnaber.languagetool.JLanguageTool;
import de.danielnaber.languagetool.tools.StringTools;
/**
* A rule that matches words or phrases which should not be used and suggests
* correct ones instead. Loads the relevant words from
* <code>rules/XX/replace.txt</code>, where XX is a code of the language.
*
* @author Andriy Rysin
*/
public abstract class AbstractSimpleReplaceRule extends Rule {
private static final String FILE_ENCODING = "utf-8";
private Map<String, String> wrongWords; // e.g. "вреѿті реѿт" -> "зреѿтою"
public abstract String getFileName();
public String getEncoding() {
return FILE_ENCODING;
}
/**
* Indicates if the rule is case-sensitive. Default value is <code>true</code>.
* @return true if the rule is case-sensitive, false otherwise.
*/
public boolean isCaseSensitive() {
return true;
}
/**
* @return the locale used for case conversion when {@link #isCaseSensitive()} is set to <code>false</code>.
*/
public Locale getLocale() {
return Locale.getDefault();
}
public AbstractSimpleReplaceRule(final ResourceBundle messages) throws IOException {
if (messages != null) {
super.setCategory(new Category(messages.getString("category_misc")));
}
wrongWords = loadWords(JLanguageTool.getDataBroker().getFromRulesDirAsStream(getFileName()));
}
public String getId() {
return "SIMPLE_REPLACE";
}
public String getDescription() {
return "Checks for wrong words/phrases";
}
public String getSuggestion() {
return " is not valid, use ";
}
public String getShort() {
return "Wrong word";
}
public final RuleMatch[] match(final AnalyzedSentence text) {
final List<RuleMatch> ruleMatches = new ArrayList<RuleMatch>();
final AnalyzedTokenReadings[] tokens = text.getTokensWithoutWhitespace();
for (int i = 1; i < tokens.length; i++) {
final String token = tokens[i].getToken();
final String origToken = token;
final String replacement = isCaseSensitive()?wrongWords.get(token):wrongWords.get(token.toLowerCase(getLocale()));
if (replacement != null) {
final String msg = token + getSuggestion() + replacement;
final int pos = tokens[i].getStartPos();
final RuleMatch potentialRuleMatch = new RuleMatch(this, pos, pos
+ origToken.length(), msg, getShort());
if (!isCaseSensitive() && StringTools.startsWithUppercase(token)) {
potentialRuleMatch.setSuggestedReplacement(StringTools.uppercaseFirstChar(replacement));
} else {
potentialRuleMatch.setSuggestedReplacement(replacement);
}
ruleMatches.add(potentialRuleMatch);
}
}
return toRuleMatchArray(ruleMatches);
}
private Map<String, String> loadWords(final InputStream file) throws IOException {
final Map<String, String> map = new HashMap<String, String>();
InputStreamReader isr = null;
BufferedReader br = null;
try {
isr = new InputStreamReader(file, getEncoding());
br = new BufferedReader(isr);
String line;
while ((line = br.readLine()) != null) {
line = line.trim();
if (line.length() < 1) {
continue;
}
if (line.charAt(0) == '#') { // ignore comments
continue;
}
final String[] parts = line.split("=");
if (parts.length != 2) {
throw new IOException("Format error in file "
+ JLanguageTool.getDataBroker().getFromRulesDirAsUrl(getFileName()) + ", line: " + line);
}
map.put(parts[0], parts[1]);
}
} finally {
if (br != null) {
br.close();
}
if (isr != null) {
isr.close();
}
}
return map;
}
public void reset() {
}
}
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