RM-2028 Create util method to validate classification fields.

Also change the freemarker script to use the built-in JSON escaping.

+review RM-14

git-svn-id: https://svn.alfresco.com/repos/alfresco-enterprise/modules/recordsmanagement/HEAD@101242 c4b6b30b-aa2e-2d43-bbcb-ca4b014f7261

rm-server/unit-test/java/org/alfresco/module/org_alfresco_module_rm/test/util/ExceptionUtils.java

@@ -46,7 +46,7 @@ public class ExceptionUtils
 
         @Override public String toString()
         {
-            return String.join("Expected ", expected.getSimpleName(), " but ",
+            return String.join("", "Expected ", expected.getSimpleName(), " but ",
                                actual.getClass().getSimpleName(), " was thrown.");
         }
     }
@@ -64,7 +64,7 @@ public class ExceptionUtils
         public Class<? extends Throwable> getExpected() { return this.expected; }
         @Override public String toString()
         {
-            return String.join("Expected ", expected.getSimpleName(), " but nothing was thrown.");
+            return String.join("", "Expected ", expected.getSimpleName(), " but nothing was thrown.");
         }
     }
 

rm-server/unit-test/java/org/alfresco/module/org_alfresco_module_rm/util/RMParameterCheckTest.java

@@ -0,0 +1,56 @@
+/*
+ * Copyright (C) 2005-2015 Alfresco Software Limited.
+ *
+ * This file is part of Alfresco
+ *
+ * Alfresco 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 3 of the License, or
+ * (at your option) any later version.
+ *
+ * Alfresco 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 Alfresco. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+package org.alfresco.module.org_alfresco_module_rm.util;
+
+import org.alfresco.module.org_alfresco_module_rm.test.util.ExceptionUtils;
+import org.junit.Test;
+
+/**
+ * Unit tests for the {@link RMParameter} utility class.
+ * 
+ * @author tpage
+ */
+public class RMParameterCheckTest
+{
+    @Test
+    public void checkNotBlank()
+    {
+        // Check that supplying null causes an exception.
+        ExceptionUtils.intercept(IllegalArgumentException.class, () -> {
+            RMParameterCheck.checkNotBlank("name", null);
+            return null;
+        });
+
+        // Check that supplying an empty string causes an exception.
+        ExceptionUtils.intercept(IllegalArgumentException.class, () -> {
+            RMParameterCheck.checkNotBlank("name", "");
+            return null;
+        });
+
+        // Check that supplying a whitespace only string causes an exception.
+        ExceptionUtils.intercept(IllegalArgumentException.class, () -> {
+            RMParameterCheck.checkNotBlank("name", "\n\r \t");
+            return null;
+        });
+
+        // Check that supplying a mainly whitespace string throws no exceptions.
+        RMParameterCheck.checkNotBlank("name", "\n\r *\t");
+    }
+}