added support for a separate throws indentation configuration

src/checkstyle/com/puppycrawl/tools/checkstyle/checks/indentation/IndentationCheck.java

@@ -103,6 +103,7 @@ import com.puppycrawl.tools.checkstyle.api.TokenTypes;
  *
  * @author jrichard
  * @author o_sukhodolsky
+ * @author Maikel Steneker
  */
 public class IndentationCheck extends Check
 {
@@ -118,6 +119,9 @@ public class IndentationCheck extends Check
     /** how far brace should be indented when on next line */
     private int mBraceAdjustment;
 
+    /** how far throws should be indented when on next line */
+    private int mThrowsIndentationAmount = DEFAULT_INDENTATION;
+
     /** handlers currently in use */
     private final FastStack<ExpressionHandler> mHandlers =
         FastStack.newInstance();
@@ -190,6 +194,26 @@ public class IndentationCheck extends Check
         return mCaseIndentationAmount;
     }
 
+    /**
+     * Set the throws indentation level.
+     *
+     * @param aThrowsIndent the throws indentation level
+     */
+    public void setThrowsIndent(int aThrowsIndent)
+    {
+        mThrowsIndentationAmount = aThrowsIndent;
+    }
+
+    /**
+     * Get the throws indentation level.
+     *
+     * @return the throws indentation level
+     */
+    public int getThrowsIndent()
+    {
+        return this.mThrowsIndentationAmount;
+    }
+
     /**
      * Log an error message.
      *

src/checkstyle/com/puppycrawl/tools/checkstyle/checks/indentation/MethodDefHandler.java

@@ -25,6 +25,7 @@ import com.puppycrawl.tools.checkstyle.api.TokenTypes;
  * Handler for method definitions.
  *
  * @author jrichard
+ * @author Maikel Steneker
  */
 public class MethodDefHandler extends BlockParentHandler
 {
@@ -75,7 +76,7 @@ public class MethodDefHandler extends BlockParentHandler
 
         final int columnNo = expandedTabsColumnNo(throwsAst);
         final IndentLevel expectedColumnNo =
-            new IndentLevel(getLevel(), getBasicOffset());
+            new IndentLevel(getLevel(), getIndentCheck().getThrowsIndent());
 
         if (startsLine(throwsAst)
             && !expectedColumnNo.accept(columnNo))

src/testinputs/com/puppycrawl/tools/checkstyle/indentation/InvalidInputThrowsIndent.java

@@ -0,0 +1,21 @@
+package com.puppycrawl.tools.checkstyle.checks.indentation;
+
+public class InvalidInputThrowsIndent {
+
+    public InvalidInputThrowsIndent()
+    {
+    }
+
+    // This should pass for our reconfigured throwsIndent test.
+    private void myFunc()
+            throws Exception
+    {
+    }
+
+    // This is the out of the box default configuration, but should fail
+    // for our reconfigured test.
+    private void myFunc()
+        throws Exception
+    {
+    }
+}

src/tests/com/puppycrawl/tools/checkstyle/checks/indentation/IndentationCheckTest.java

@@ -680,6 +680,17 @@ public class IndentationCheckTest extends BaseCheckTestSupport
         verify(checkConfig, getPath("indentation/InputUseTwoSpaces.java"), expected);
     }
 
+    @Test
+    public void testThrowsIndentationLevel() throws Exception
+    {
+        final DefaultConfiguration checkConfig = createCheckConfig(IndentationCheck.class);
+        checkConfig.addAttribute("throwsIndent", Integer.valueOf(8).toString());
+        final String[] expected = {
+            "18: method def throws at indentation level 8 not at correct indentation, 12",
+        };
+        verify(checkConfig, getPath("indentation/InvalidInputThrowsIndent.java"), expected);
+    }
+
     @Test
     public void testCaseLevel() throws Exception
     {

src/xdocs/config_misc.xml

@@ -803,6 +803,12 @@ messages.properties: Key 'ok' missing.
             <td><a href="property_types.html#integer">Integer</a></td>
             <td>4</td>
           </tr>
+          <tr>
+            <td>throwsIndent</td>
+            <td>how far throws should be indented when on next line</td>
+            <td><a href="property_types.html#integer">Integer</a></td>
+            <td>4</td>
+          </tr>
         </table>
       </subsection>