Fix errors reported by Checkstyle.

git-svn-id: https://svn.apache.org/repos/asf/maven/shared/trunk@1055687 13f79535-47bb-0310-9956-ffa450edef68
diff --git a/src/main/java/org/apache/maven/shared/filtering/AbstractMavenFilteringRequest.java b/src/main/java/org/apache/maven/shared/filtering/AbstractMavenFilteringRequest.java
index 6dc9df3..714c69b 100644
--- a/src/main/java/org/apache/maven/shared/filtering/AbstractMavenFilteringRequest.java
+++ b/src/main/java/org/apache/maven/shared/filtering/AbstractMavenFilteringRequest.java
@@ -268,7 +268,7 @@
      * 'BEGIN*END' for asymmetrical delimiters, or 'TOKEN' for symmetrical delimiters. See
      * {@link AbstractMavenFilteringRequest#delimiters} for more information and default values.
      * 
-     * @param delimiters If <code>null</code>, reset delimiters to '${*}' only. Otherwise, use the provided parameter value.
+     * @param delimiters If <code>null</code>, reset delimiters to '${*}' only. Otherwise, use the provided value.
      * @since 1.0-beta-3
      */
     public void setDelimiters( LinkedHashSet delimiters )
diff --git a/src/main/java/org/apache/maven/shared/filtering/DefaultMavenFileFilter.java b/src/main/java/org/apache/maven/shared/filtering/DefaultMavenFileFilter.java
index bb2d6c2..b9cfb80 100644
--- a/src/main/java/org/apache/maven/shared/filtering/DefaultMavenFileFilter.java
+++ b/src/main/java/org/apache/maven/shared/filtering/DefaultMavenFileFilter.java
@@ -99,7 +99,8 @@
 
     
     
-    public void copyFile( File from, File to, boolean filtering, List filterWrappers, String encoding, boolean overwrite )
+    public void copyFile( File from, File to, boolean filtering, List filterWrappers, String encoding,
+                          boolean overwrite )
         throws MavenFilteringException
     {
         try
@@ -233,7 +234,8 @@
             filterProperties.putAll( request.getAdditionalProperties() );
         }
         
-        List defaultFilterWrappers = request == null ? new ArrayList( 1 ) : new ArrayList( request.getDelimiters().size() + 1 );
+        List defaultFilterWrappers
+            = request == null ? new ArrayList( 1 ) : new ArrayList( request.getDelimiters().size() + 1 );
 
         if ( getLogger().isDebugEnabled() )
         {
@@ -246,8 +248,9 @@
         {
             FileUtils.FilterWrapper wrapper = new Wrapper( request.getDelimiters(), request.getMavenProject(),
                                                            request.getMavenSession(), propertiesValueSource,
-                                                           request.getProjectStartExpressions(), request.getEscapeString(),
-                                                           request.isEscapeWindowsPaths(), request.isSupportMultiLineFiltering() );
+                                                           request.getProjectStartExpressions(),
+                                                           request.getEscapeString(), request.isEscapeWindowsPaths(),
+                                                           request.isSupportMultiLineFiltering() );
             
             defaultFilterWrappers.add( wrapper );
         }
@@ -255,7 +258,8 @@
         return defaultFilterWrappers;
     }    
 
-    private void loadProperties( Properties filterProperties, List /* String */propertiesFilePaths, Properties baseProps )
+    private void loadProperties( Properties filterProperties, List /* String */propertiesFilePaths,
+                                 Properties baseProps )
         throws MavenFilteringException
     {
         if ( propertiesFilePaths != null )
@@ -301,8 +305,9 @@
         
         private boolean supportMultiLineFiltering;
 
-        Wrapper( LinkedHashSet delimiters, MavenProject project, MavenSession mavenSession, ValueSource propertiesValueSource,
-                 List projectStartExpressions, String escapeString, boolean escapeWindowsPaths, boolean supportMultiLineFiltering )
+        Wrapper( LinkedHashSet delimiters, MavenProject project, MavenSession mavenSession,
+                 ValueSource propertiesValueSource, List projectStartExpressions, String escapeString,
+                 boolean escapeWindowsPaths, boolean supportMultiLineFiltering )
         {
             super();
             this.delimiters = delimiters;
@@ -345,7 +350,8 @@
                 if ( settings != null )
                 {
                     interpolator.addValueSource( new PrefixedObjectValueSource( "settings", settings ) );
-                    interpolator.addValueSource( new SingleResponseValueSource( "localRepository", settings.getLocalRepository() ) );
+                    interpolator.addValueSource( new SingleResponseValueSource( "localRepository",
+                                                                                settings.getLocalRepository() ) );
                 }
             }
             
diff --git a/src/main/java/org/apache/maven/shared/filtering/FilteringUtils.java b/src/main/java/org/apache/maven/shared/filtering/FilteringUtils.java
index 979986f..c30f731 100644
--- a/src/main/java/org/apache/maven/shared/filtering/FilteringUtils.java
+++ b/src/main/java/org/apache/maven/shared/filtering/FilteringUtils.java
@@ -30,7 +30,7 @@
 {
     private static final String WINDOWS_PATH_PATTERN = "^[a-zA-Z]:\\\\(.*)";
 
-    private static final Pattern PATTERN = Pattern.compile( WINDOWS_PATH_PATTERN) ;
+    private static final Pattern PATTERN = Pattern.compile( WINDOWS_PATH_PATTERN ) ;
 
     /**
      * 
@@ -42,7 +42,7 @@
     
     // TODO: Correct to handle relative windows paths. (http://jira.codehaus.org/browse/MSHARED-121)
     // How do we distinguish a relative windows path from some other value that happens to contain backslashes??
-    public static final String escapeWindowsPath( String val )
+    public static String escapeWindowsPath( String val )
     {
         if ( !StringUtils.isEmpty( val ) && PATTERN.matcher( val ).matches() )
         {
diff --git a/src/main/java/org/apache/maven/shared/filtering/InterpolatorFilterReaderLineEnding.java b/src/main/java/org/apache/maven/shared/filtering/InterpolatorFilterReaderLineEnding.java
index dbc463f..e66cb2c 100644
--- a/src/main/java/org/apache/maven/shared/filtering/InterpolatorFilterReaderLineEnding.java
+++ b/src/main/java/org/apache/maven/shared/filtering/InterpolatorFilterReaderLineEnding.java
@@ -86,7 +86,8 @@
      * @param endToken end token to use
      * @param supportMultiLineFiltering If multi line filtering is allowed
      */
-    public InterpolatorFilterReaderLineEnding( Reader in, Interpolator interpolator, String beginToken, String endToken, boolean supportMultiLineFiltering )
+    public InterpolatorFilterReaderLineEnding( Reader in, Interpolator interpolator, String beginToken, String endToken,
+                                               boolean supportMultiLineFiltering )
     {
         this( in, interpolator, beginToken, endToken, new SimpleRecursionInterceptor(), supportMultiLineFiltering );
     }    
@@ -99,7 +100,9 @@
      * @param ri The {@link RecursionInterceptor} to use to prevent recursive expressions.
      * @param supportMultiLineFiltering If multi line filtering is allowed
      */
-    private InterpolatorFilterReaderLineEnding( Reader in, Interpolator interpolator, String beginToken, String endToken, RecursionInterceptor ri, boolean supportMultiLineFiltering )
+    private InterpolatorFilterReaderLineEnding( Reader in, Interpolator interpolator, String beginToken,
+                                                String endToken, RecursionInterceptor ri,
+                                                boolean supportMultiLineFiltering )
     {
         super( in );
 
@@ -204,7 +207,7 @@
             ch = in.read();
         }
         
-        if (ch == '\n' && !supportMultiLineFiltering )
+        if ( ch == '\n' && !supportMultiLineFiltering )
         {
             previousIndex = -1;
             return ch;
@@ -228,13 +231,13 @@
                 {
                     ch = in.read();
                 }
-                if ( ch != -1 && (ch != '\n' && !supportMultiLineFiltering ) )
+                if ( ch != -1 && ( ch != '\n' && !supportMultiLineFiltering ) )
                 {
                     key.append( (char) ch );
                     if ( ( beginTokenMatchPos < this.beginToken.length() )
                         && ( ch != this.beginToken.charAt( beginTokenMatchPos++ ) )
-                        && ( useEscape && this.orginalBeginToken.length() > ( beginTokenMatchPos - 1 ) && ch != this.orginalBeginToken
-                            .charAt( beginTokenMatchPos - 1 ) ) )
+                        && ( useEscape && this.orginalBeginToken.length() > ( beginTokenMatchPos - 1 )
+                        && ch != this.orginalBeginToken.charAt( beginTokenMatchPos - 1 ) ) )
                     {
                         ch = -1; // not really EOF but to trigger code below
                         break;
@@ -246,7 +249,8 @@
                 }
                 // MSHARED-81 olamy : we must take care of token with length 1, escaping and same char : \@foo@
                 // here ch == endToken == beginToken -> not going to next char : bad :-)
-                if ( useEscape && this.orginalBeginToken == this.endToken && key.toString().startsWith( this.beginToken ) )
+                if ( useEscape
+                    && this.orginalBeginToken == this.endToken && key.toString().startsWith( this.beginToken ) )
                 {
                     ch = in.read();
                     key.append( (char) ch );
@@ -292,7 +296,7 @@
             // There is nothing left to read so we have the situation where the begin/end token
             // are in fact the same and as there is nothing left to read we have got ourselves
             // end of a token boundary so let it pass through.
-            if ( ch == -1 || ( ch =='\n' && !supportMultiLineFiltering ) )
+            if ( ch == -1 || ( ch == '\n' && !supportMultiLineFiltering ) )
             {
                 replaceData = key.toString();
                 replaceIndex = 1;
diff --git a/src/main/java/org/apache/maven/shared/filtering/MavenFileFilter.java b/src/main/java/org/apache/maven/shared/filtering/MavenFileFilter.java
index 7849a01..5428a80 100644
--- a/src/main/java/org/apache/maven/shared/filtering/MavenFileFilter.java
+++ b/src/main/java/org/apache/maven/shared/filtering/MavenFileFilter.java
@@ -76,7 +76,8 @@
      * @throws MavenFilteringException
      * @since 1.0-beta-2
      */
-    void copyFile( File from, final File to, boolean filtering, List filterWrappers, String encoding, boolean overwrite )
+    void copyFile( File from, final File to, boolean filtering, List filterWrappers, String encoding,
+                   boolean overwrite )
         throws MavenFilteringException;    
     
     /**
diff --git a/src/main/java/org/apache/maven/shared/filtering/MavenFileFilterRequest.java b/src/main/java/org/apache/maven/shared/filtering/MavenFileFilterRequest.java
index 131adcd..212fdec 100644
--- a/src/main/java/org/apache/maven/shared/filtering/MavenFileFilterRequest.java
+++ b/src/main/java/org/apache/maven/shared/filtering/MavenFileFilterRequest.java
@@ -1,12 +1,5 @@
 package org.apache.maven.shared.filtering;
 
-import java.io.File;
-import java.util.List;
-import java.util.Properties;
-
-import org.apache.maven.execution.MavenSession;
-import org.apache.maven.project.MavenProject;
-
 /*
  * Licensed to the Apache Software Foundation (ASF) under one
  * or more contributor license agreements.  See the NOTICE file
@@ -26,6 +19,13 @@
  * under the License.
  */
 
+import java.io.File;
+import java.util.List;
+import java.util.Properties;
+
+import org.apache.maven.execution.MavenSession;
+import org.apache.maven.project.MavenProject;
+
 /**
  * @author <a href="mailto:olamy@apache">olamy</a>
  * @since 1.0-beta-3
diff --git a/src/main/java/org/apache/maven/shared/filtering/MavenResourcesExecution.java b/src/main/java/org/apache/maven/shared/filtering/MavenResourcesExecution.java
index 15314d6..1de6c70 100644
--- a/src/main/java/org/apache/maven/shared/filtering/MavenResourcesExecution.java
+++ b/src/main/java/org/apache/maven/shared/filtering/MavenResourcesExecution.java
@@ -204,7 +204,8 @@
                 propertiesInterpolator.addValueSource( valueSource );
                 return new InterpolatorFilterReaderLineEnding( reader, propertiesInterpolator,
                                                                InterpolatorFilterReaderLineEnding.DEFAULT_BEGIN_TOKEN,
-                                                               InterpolatorFilterReaderLineEnding.DEFAULT_END_TOKEN, false );
+                                                               InterpolatorFilterReaderLineEnding.DEFAULT_END_TOKEN,
+                                                               false );
             }
         } );
     }
@@ -226,7 +227,8 @@
             {
                 Interpolator propertiesInterpolator = new RegexBasedInterpolator( startRegExp, endRegExp );
                 propertiesInterpolator.addValueSource( valueSource );
-                return new InterpolatorFilterReaderLineEnding( reader, propertiesInterpolator, startToken, endToken, false );
+                return new InterpolatorFilterReaderLineEnding( reader, propertiesInterpolator, startToken, endToken,
+                                                               false );
             }
         } );
     }  
@@ -249,10 +251,10 @@
                 StringSearchInterpolator propertiesInterpolator = new StringSearchInterpolator( startExp, endExp );
                 propertiesInterpolator.addValueSource( valueSource );
                 propertiesInterpolator.setEscapeString( escapeString );
-                InterpolatorFilterReaderLineEnding interpolatorFilterReader = new InterpolatorFilterReaderLineEnding(
-                                                                                                  reader,
-                                                                                                  propertiesInterpolator,
-                                                                                                  startExp, endExp, false );
+                InterpolatorFilterReaderLineEnding interpolatorFilterReader
+                    = new InterpolatorFilterReaderLineEnding( reader,
+                                                              propertiesInterpolator,
+                                                              startExp, endExp, false );
                 interpolatorFilterReader.setInterpolateWithPrefixPattern( false );
                 return interpolatorFilterReader;
             }
@@ -277,10 +279,10 @@
                 StringSearchInterpolator propertiesInterpolator = new StringSearchInterpolator( startExp, endExp );
                 propertiesInterpolator.addValueSource( valueSource );
                 propertiesInterpolator.setEscapeString( escapeString );
-                InterpolatorFilterReaderLineEnding interpolatorFilterReader = new InterpolatorFilterReaderLineEnding(
-                                                                                                  reader,
-                                                                                                  propertiesInterpolator,
-                                                                                                  startExp, endExp, supportMultiLineFiltering );
+                InterpolatorFilterReaderLineEnding interpolatorFilterReader
+                    = new InterpolatorFilterReaderLineEnding( reader,
+                                                              propertiesInterpolator,
+                                                              startExp, endExp, supportMultiLineFiltering );
                 interpolatorFilterReader.setInterpolateWithPrefixPattern( false );
                 return interpolatorFilterReader;
             }
diff --git a/src/main/java/org/apache/maven/shared/filtering/MultiDelimiterInterpolatorFilterReaderLineEnding.java b/src/main/java/org/apache/maven/shared/filtering/MultiDelimiterInterpolatorFilterReaderLineEnding.java
index 14cec4c..77ba943 100644
--- a/src/main/java/org/apache/maven/shared/filtering/MultiDelimiterInterpolatorFilterReaderLineEnding.java
+++ b/src/main/java/org/apache/maven/shared/filtering/MultiDelimiterInterpolatorFilterReaderLineEnding.java
@@ -1,5 +1,24 @@
 package org.apache.maven.shared.filtering;
 
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ *
+ *    http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+
 import java.io.FilterReader;
 import java.io.IOException;
 import java.io.Reader;
@@ -75,7 +94,8 @@
      * @param interpolator interpolator instance to use
      * @param supportMultiLineFiltering If multi line filtering is allowed
      */
-    public MultiDelimiterInterpolatorFilterReaderLineEnding( Reader in, Interpolator interpolator, boolean supportMultiLineFiltering )
+    public MultiDelimiterInterpolatorFilterReaderLineEnding( Reader in, Interpolator interpolator,
+                                                             boolean supportMultiLineFiltering )
     {
         this( in, interpolator, new SimpleRecursionInterceptor(), supportMultiLineFiltering );
     }
@@ -86,7 +106,9 @@
      * @param ri The {@link RecursionInterceptor} to use to prevent recursive expressions.
      * @param supportMultiLineFiltering If multi line filtering is allowed
      */
-    public MultiDelimiterInterpolatorFilterReaderLineEnding( Reader in, Interpolator interpolator, RecursionInterceptor ri, boolean supportMultiLineFiltering )
+    public MultiDelimiterInterpolatorFilterReaderLineEnding( Reader in, Interpolator interpolator,
+                                                             RecursionInterceptor ri,
+                                                             boolean supportMultiLineFiltering )
     {
         super( in );
 
@@ -207,7 +229,7 @@
         {
             ch = in.read();
         }
-        if (ch == '\n' && !supportMultiLineFiltering)
+        if ( ch == '\n' && !supportMultiLineFiltering )
         {
             previousIndex = -1;
             return ch;
@@ -225,7 +247,7 @@
 
             if ( inEscape )
             {
-                for( int i = 0; i < escapeString.length() - 1; i++ )
+                for ( int i = 0; i < escapeString.length() - 1; i++ )
                 {
                     ch = in.read();
                     if ( ch == -1 || ( ch == '\n' && !supportMultiLineFiltering ) )
@@ -296,7 +318,7 @@
             while ( ch != this.endToken.charAt( 0 ) );
 
             // now test endToken
-            if ( ch != -1 && ( ch != '\n' && !supportMultiLineFiltering) && this.endToken.length() > 1 )
+            if ( ch != -1 && ( ch != '\n' && !supportMultiLineFiltering ) && this.endToken.length() > 1 )
             {
                 int endTokenMatchPos = 1;
 
@@ -315,7 +337,8 @@
                     {
                         key.append( (char) ch );
 
-                        if ( ch != this.endToken.charAt( endTokenMatchPos++ ) || ( ch != '\n' && !supportMultiLineFiltering ) )
+                        if ( ch != this.endToken.charAt( endTokenMatchPos++ )
+                            || ( ch != '\n' && !supportMultiLineFiltering ) )
                         {
                             ch = -1; // not really EOF but to trigger code below
                             break;
@@ -333,7 +356,7 @@
             // There is nothing left to read so we have the situation where the begin/end token
             // are in fact the same and as there is nothing left to read we have got ourselves
             // end of a token boundary so let it pass through.
-            if ( ch == -1 || (ch =='\n' && !supportMultiLineFiltering ) )
+            if ( ch == -1 || ( ch == '\n' && !supportMultiLineFiltering ) )
             {
                 replaceData = key.toString();
                 replaceIndex = 1;