add missing file

slf4j-migrator/src/test/java/org/slf4j/migrator/line/TrivialMatcher.java

@@ -0,0 +1,65 @@
+/**
+ * Copyright (c) 2004-2011 QOS.ch
+ * All rights reserved.
+ *
+ * Permission is hereby granted, free  of charge, to any person obtaining
+ * a  copy  of this  software  and  associated  documentation files  (the
+ * "Software"), to  deal in  the Software without  restriction, including
+ * without limitation  the rights to  use, copy, modify,  merge, publish,
+ * distribute,  sublicense, and/or sell  copies of  the Software,  and to
+ * permit persons to whom the Software  is furnished to do so, subject to
+ * the following conditions:
+ *
+ * The  above  copyright  notice  and  this permission  notice  shall  be
+ * included in all copies or substantial portions of the Software.
+ *
+ * THE  SOFTWARE IS  PROVIDED  "AS  IS", WITHOUT  WARRANTY  OF ANY  KIND,
+ * EXPRESS OR  IMPLIED, INCLUDING  BUT NOT LIMITED  TO THE  WARRANTIES OF
+ * MERCHANTABILITY,    FITNESS    FOR    A   PARTICULAR    PURPOSE    AND
+ * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
+ * LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
+ * OF CONTRACT, TORT OR OTHERWISE,  ARISING FROM, OUT OF OR IN CONNECTION
+ * WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ *
+ */
+package org.slf4j.migrator.line;
+
+import java.util.ArrayList;
+import java.util.Iterator;
+import java.util.regex.Pattern;
+
+import org.slf4j.migrator.line.ConversionRule;
+import org.slf4j.migrator.line.MultiGroupConversionRule;
+import org.slf4j.migrator.line.RuleSet;
+import org.slf4j.migrator.line.SingleConversionRule;
+
+class TrivialMatcher implements RuleSet {
+
+  private ArrayList<ConversionRule> conversionRuleList;
+
+  public TrivialMatcher() {
+    //simple rule no capturing group is defined, we use default capturing group which is group zero
+    SingleConversionRule cr = new SingleConversionRule(Pattern.compile("import org.slf4j.converter"), 
+        "simple replacement with an unique capturing group");
+
+    //we define 4 differents capturing groups
+    MultiGroupConversionRule cr1 = new MultiGroupConversionRule(Pattern.compile("(first group)( second group)( third group)( 4th group)"));
+    //group zero is ignored during treatment
+    //replacement for the first
+    cr1.addReplacement(1, "1st group");
+    //no replacement for the second group it will remains the same
+    //empty string for the third group it will be deleted
+    cr1.addReplacement(3, "");
+    //no replacement for the third group it will remains the same
+
+    conversionRuleList = new ArrayList<ConversionRule>();
+    conversionRuleList.add(cr);
+    conversionRuleList.add(cr1);
+  }
+
+  public Iterator<ConversionRule> iterator() {
+    return conversionRuleList.iterator();
+  }
+
+
+}