Fixed checkstyle reported errors/warnings.

git-svn-id: https://svn.apache.org/repos/asf/maven/plugins/trunk@1742481 13f79535-47bb-0310-9956-ffa450edef68
diff --git a/src/main/java/org/apache/maven/plugins/resources/CopyResourcesMojo.java b/src/main/java/org/apache/maven/plugins/resources/CopyResourcesMojo.java
index 66375ec..feee9d3 100644
--- a/src/main/java/org/apache/maven/plugins/resources/CopyResourcesMojo.java
+++ b/src/main/java/org/apache/maven/plugins/resources/CopyResourcesMojo.java
@@ -51,31 +51,37 @@
     private List<Resource> resources;
 
 
+    /** {@inheritDoc} */
     public File getOutputDirectory()
     {
         return outputDirectory;
     }
 
+    /** {@inheritDoc} */
     public void setOutputDirectory( File outputDirectory )
     {
         this.outputDirectory = outputDirectory;
     }
 
+    /** {@inheritDoc} */
     public List<Resource> getResources()
     {
         return resources;
     }
 
+    /** {@inheritDoc} */
     public void setResources( List<Resource> resources )
     {
         this.resources = resources;
     }
 
+    /** {@inheritDoc} */
     public List<String> getFilters()
     {
         return filters;
     }
 
+    /** {@inheritDoc} */
     public void setFilters( List<String> filters )
     {
         this.filters = filters;
diff --git a/src/main/java/org/apache/maven/plugins/resources/MavenBuildTimestamp.java b/src/main/java/org/apache/maven/plugins/resources/MavenBuildTimestamp.java
index f842c95..19a11de 100644
--- a/src/main/java/org/apache/maven/plugins/resources/MavenBuildTimestamp.java
+++ b/src/main/java/org/apache/maven/plugins/resources/MavenBuildTimestamp.java
@@ -26,36 +26,56 @@
 import java.util.TimeZone;
 
 /**
- * This class is duplicated from maven-model-builder from
- * maven core. (See MRESOURCES-99).
- *
+ * This class is duplicated from maven-model-builder from maven core. (See MRESOURCES-99).
  */
 public class MavenBuildTimestamp
 {
-    // ISO 8601-compliant timestamp for machine readability
+    /**
+     * ISO 8601-compliant timestamp for machine readability
+     */
     public static final String DEFAULT_BUILD_TIMESTAMP_FORMAT = "yyyy-MM-dd'T'HH:mm:ss'Z'";
 
+    /**
+     * The property name.
+     */
     public static final String BUILD_TIMESTAMP_FORMAT_PROPERTY = "maven.build.timestamp.format";
 
+    /**
+     * The default time zone {@code Etc/UTC}.
+     */
     public static final TimeZone DEFAULT_BUILD_TIME_ZONE = TimeZone.getTimeZone( "Etc/UTC" );
 
     private String formattedTimestamp;
 
+    /**
+     * Create an instance.
+     */
     public MavenBuildTimestamp()
     {
         this( new Date() );
     }
 
+    /**
+     * @param time The time to use.
+     */
     public MavenBuildTimestamp( Date time )
     {
         this( time, DEFAULT_BUILD_TIMESTAMP_FORMAT );
     }
 
+    /**
+     * @param time The time to use.
+     * @param properties the properties which can be define. can be {@code null}
+     */
     public MavenBuildTimestamp( Date time, Properties properties )
     {
         this( time, properties != null ? properties.getProperty( BUILD_TIMESTAMP_FORMAT_PROPERTY ) : null );
     }
 
+    /**
+     * @param time The time to use.
+     * @param timestampFormat The format for {@link SimpleDateFormat}.
+     */
     public MavenBuildTimestamp( Date time, String timestampFormat )
     {
         if ( timestampFormat == null )
@@ -72,6 +92,9 @@
         formattedTimestamp = dateFormat.format( time );
     }
 
+    /**
+     * @return The formatted time stamp.
+     */
     public String formattedTimestamp()
     {
         return formattedTimestamp;
diff --git a/src/main/java/org/apache/maven/plugins/resources/ResourcesMojo.java b/src/main/java/org/apache/maven/plugins/resources/ResourcesMojo.java
index 586b309..2e772e3 100644
--- a/src/main/java/org/apache/maven/plugins/resources/ResourcesMojo.java
+++ b/src/main/java/org/apache/maven/plugins/resources/ResourcesMojo.java
@@ -281,12 +281,14 @@
     @Parameter( property = "maven.resources.skip", defaultValue = "false" )
     private boolean skip;
 
+    /** {@inheritDoc} */
     public void contextualize( Context context )
         throws ContextException
     {
         plexusContainer = (PlexusContainer) context.get( PlexusConstants.PLEXUS_KEY );
     }
 
+    /** {@inheritDoc} */
     public void execute()
         throws MojoExecutionException
     {
@@ -305,10 +307,10 @@
         try
         {
 
-            List<String> filters = getCombinedFiltersList();
+            List<String> combinedFilters = getCombinedFiltersList();
 
             MavenResourcesExecution mavenResourcesExecution =
-                new MavenResourcesExecution( getResources(), getOutputDirectory(), project, encoding, filters,
+                new MavenResourcesExecution( getResources(), getOutputDirectory(), project, encoding, combinedFilters,
                                              Collections.<String>emptyList(), session );
 
             mavenResourcesExecution.setEscapeWindowsPaths( escapeWindowsPaths );
@@ -373,6 +375,9 @@
     }
 
     /**
+     * @param mavenResourcesExecution {@link MavenResourcesExecution} 
+     * @throws MojoExecutionException in case of wrong lookup.
+     * @throws MavenFilteringException in case of failure.
      * @since 2.5
      */
     protected void executeUserFilterComponents( MavenResourcesExecution mavenResourcesExecution )
@@ -411,6 +416,9 @@
         }
     }
 
+    /**
+     * @return The combined filters.
+     */
     protected List<String> getCombinedFiltersList()
     {
         if ( filters == null || filters.isEmpty() )
@@ -435,14 +443,14 @@
     /**
      * Determines whether filtering has been enabled for any resource.
      *
-     * @param resources The set of resources to check for filtering, may be <code>null</code>.
+     * @param theResources The set of resources to check for filtering, may be <code>null</code>.
      * @return <code>true</code> if at least one resource uses filtering, <code>false</code> otherwise.
      */
-    private boolean isFilteringEnabled( Collection<Resource> resources )
+    private boolean isFilteringEnabled( Collection<Resource> theResources )
     {
-        if ( resources != null )
+        if ( theResources != null )
         {
-            for ( Resource resource : resources )
+            for ( Resource resource : theResources )
             {
                 if ( resource.isFiltering() )
                 {
@@ -453,76 +461,121 @@
         return false;
     }
 
+    /**
+     * @return {@link #resources}
+     */
     public List<Resource> getResources()
     {
         return resources;
     }
 
+    /**
+     * @param resources set {@link #resources}
+     */
     public void setResources( List<Resource> resources )
     {
         this.resources = resources;
     }
 
+    /**
+     * @return {@link #outputDirectory}
+     */
     public File getOutputDirectory()
     {
         return outputDirectory;
     }
 
+    /**
+     * @param outputDirectory the output folder.
+     */
     public void setOutputDirectory( File outputDirectory )
     {
         this.outputDirectory = outputDirectory;
     }
 
+    /**
+     * @return {@link #overwrite}
+     */
     public boolean isOverwrite()
     {
         return overwrite;
     }
 
+    /**
+     * @param overwrite true to overwrite false otherwise.
+     */
     public void setOverwrite( boolean overwrite )
     {
         this.overwrite = overwrite;
     }
 
+    /**
+     * @return {@link #includeEmptyDirs}
+     */
     public boolean isIncludeEmptyDirs()
     {
         return includeEmptyDirs;
     }
 
+    /**
+     * @param includeEmptyDirs true/false.
+     */
     public void setIncludeEmptyDirs( boolean includeEmptyDirs )
     {
         this.includeEmptyDirs = includeEmptyDirs;
     }
 
+    /**
+     * @return {@link #filters}
+     */
     public List<String> getFilters()
     {
         return filters;
     }
 
+    /**
+     * @param filters The filters to use.
+     */
     public void setFilters( List<String> filters )
     {
         this.filters = filters;
     }
 
+    /**
+     * @return {@link #delimiters}
+     */
     public LinkedHashSet<String> getDelimiters()
     {
         return delimiters;
     }
 
+    /**
+     * @param delimiters The delimiters to use.
+     */
     public void setDelimiters( LinkedHashSet<String> delimiters )
     {
         this.delimiters = delimiters;
     }
 
+    /**
+     * @return {@link #useDefaultDelimiters}
+     */
     public boolean isUseDefaultDelimiters()
     {
         return useDefaultDelimiters;
     }
 
+    /**
+     * @param useDefaultDelimiters true to use {@code ${*}}
+     */
     public void setUseDefaultDelimiters( boolean useDefaultDelimiters )
     {
         this.useDefaultDelimiters = useDefaultDelimiters;
     }
 
+    /**
+     * @return {@link #skip}
+     */
     public boolean isSkip()
     {
         return skip;
diff --git a/src/main/java/org/apache/maven/plugins/resources/TestResourcesMojo.java b/src/main/java/org/apache/maven/plugins/resources/TestResourcesMojo.java
index 13f8c3f..3f54dc2 100644
--- a/src/main/java/org/apache/maven/plugins/resources/TestResourcesMojo.java
+++ b/src/main/java/org/apache/maven/plugins/resources/TestResourcesMojo.java
@@ -76,21 +76,25 @@
         }
     }
 
+    /** {@inheritDoc} */
     public File getOutputDirectory()
     {
         return outputDirectory;
     }
 
+    /** {@inheritDoc} */
     public void setOutputDirectory( File outputDirectory )
     {
         this.outputDirectory = outputDirectory;
     }
 
+    /** {@inheritDoc} */
     public List<Resource> getResources()
     {
         return resources;
     }
 
+    /** {@inheritDoc} */
     public void setResources( List<Resource> resources )
     {
         this.resources = resources;