RM-2217 Allow null as a filter value.

Also add a few unit tests for the file.

+review RM-96

git-svn-id: https://svn.alfresco.com/repos/alfresco-enterprise/modules/recordsmanagement/HEAD@106034 c4b6b30b-aa2e-2d43-bbcb-ca4b014f7261

rm-server/source/java/org/alfresco/module/org_alfresco_module_rm/script/classification/UserSecurityClearanceGet.java

@@ -147,11 +147,12 @@ public class UserSecurityClearanceGet extends AbstractRmWebScript
      * Gets the name filter from the webscript request
      *
      * @param req {@link WebScriptRequest} The webscript request
-     * @return {@link String} The name filter (can be null)
+     * @return {@link String} The name filter from the request (or the empty string if the request doesn't contain one).
      */
     private String getNameFilter(WebScriptRequest req)
     {
-        return req.getParameter(NAME_FILTER);
+        String nameFilter = req.getParameter(NAME_FILTER);
+        return (nameFilter != null ? nameFilter : "");
     }
 
     /**

rm-server/unit-test/java/org/alfresco/module/org_alfresco_module_rm/classification/UserQueryParamsUnitTest.java

@@ -0,0 +1,78 @@
+/*
+ * 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.classification;
+
+import static org.junit.Assert.assertEquals;
+
+import java.util.Arrays;
+
+import org.alfresco.service.namespace.QName;
+import org.junit.Test;
+
+/**
+ * Unit tests for the {@link UserQueryParams}.
+ *
+ * @author tpage
+ * @since 3.0
+ */
+public class UserQueryParamsUnitTest
+{
+    private static final QName QNAME1 = QName.createQName("1");
+    private static final QName QNAME2 = QName.createQName("2");
+
+    /** Check that the constructor escapes backslashes correctly. */
+    @Test
+    public void testConstructor_backSlashes()
+    {
+        UserQueryParams userQueryParams = new UserQueryParams("\\Hello\\\\World!");
+        assertEquals("\\\\Hello\\\\\\\\World!", userQueryParams.getSearchTerm());
+    }
+
+    /** Check that the constructor rejects null. */
+    @Test(expected = IllegalArgumentException.class)
+    public void testConstructor_null()
+    {
+        new UserQueryParams(null);
+    }
+
+    /** Check that providing two properties results in a list being returned. */
+    @Test
+    public void testWithFilterProps_twoProperties()
+    {
+        UserQueryParams userQueryParams = new UserQueryParams("Search term");
+        userQueryParams.withFilterProps(QNAME1, QNAME2);
+        assertEquals(Arrays.asList(QNAME1, QNAME2), userQueryParams.getFilterProps());
+    }
+
+    /** Check that the first parameter can't be null. */
+    @Test(expected = IllegalArgumentException.class)
+    public void testWithFilterProps_firstPropertyNull()
+    {
+        UserQueryParams userQueryParams = new UserQueryParams("Search term");
+        userQueryParams.withFilterProps(null);
+    }
+
+    /** Check that providing a null after the first argument fails. */
+    @Test(expected = IllegalArgumentException.class)
+    public void testWithFilterProps_containsNull()
+    {
+        UserQueryParams userQueryParams = new UserQueryParams("Search term");
+        userQueryParams.withFilterProps(QNAME1, (QName) null);
+    }
+}