=== added file 'dhis-2/dhis-support/dhis-support-system/src/main/java/org/hisp/dhis/system/util/PageRange.java'
--- dhis-2/dhis-support/dhis-support-system/src/main/java/org/hisp/dhis/system/util/PageRange.java	1970-01-01 00:00:00 +0000
+++ dhis-2/dhis-support/dhis-support-system/src/main/java/org/hisp/dhis/system/util/PageRange.java	2015-01-13 13:26:18 +0000
@@ -0,0 +1,138 @@
+package org.hisp.dhis.system.util;
+
+/*
+ * Copyright (c) 2004-2014, University of Oslo
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ * Redistributions of source code must retain the above copyright notice, this
+ * list of conditions and the following disclaimer.
+ *
+ * Redistributions in binary form must reproduce the above copyright notice,
+ * this list of conditions and the following disclaimer in the documentation
+ * and/or other materials provided with the distribution.
+ * Neither the name of the HISP project nor the names of its contributors may
+ * be used to endorse or promote products derived from this software without
+ * specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+ * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+ * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR
+ * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+ * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+ * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
+ * ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+ * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+/**
+ * @author Lars Helge Overland
+ */
+public class PageRange
+{
+    /**
+     * The current from index.
+     */
+    private int fromIndex = 0;
+    
+    /**
+     * The current to index.
+     */
+    private int toIndex = 0;
+    
+    /**
+     * Total number of values.
+     */
+    private int values;
+    
+    /**
+     * Size of pages.
+     */
+    private int pageSize;
+    
+    protected PageRange()
+    {
+    }
+    
+    public PageRange( int values )
+    {
+        this.values = values;
+    }
+    
+    public PageRange setPageSize( int pageSize )
+    {
+        this.pageSize = pageSize;
+        return this;
+    }
+    
+    public PageRange setPages( int pages )
+    {
+        this.pageSize = (int) Math.ceil( (double) values / pages );
+        return this;
+    }
+    
+    /**
+     * Moves the range to the next page. Returns true if the range has another page,
+     * false if not.
+     */
+    public boolean nextPage()
+    {
+        if ( toIndex >= values )
+        {
+            return false;
+        }
+        
+        if ( toIndex > 0 ) // Not first invocation
+        {
+            fromIndex += pageSize;
+        }            
+        
+        toIndex = Math.min( ( fromIndex + pageSize ), values );
+        
+        return true;
+    }
+
+    /**
+     * Returns the number of pages in the list.
+     */
+    public int pageCount()
+    {       
+        int r = values / pageSize;
+        int m = values % pageSize;
+        
+        return m == 0 ? r : ( r + 1 );
+    }
+    
+    /**
+     * Sets the current page position to the first page.
+     */
+    public void reset()
+    {
+        fromIndex = 0;
+        toIndex = 0;
+    }
+    
+    /**
+     * Returns the current from index, which is closed / inclusive.
+     */
+    public int getFromIndex()
+    {
+        return fromIndex;
+    }
+
+    /**
+     * Returns the current to index, which is open / exclusive.
+     */
+    public int getToIndex()
+    {
+        if ( toIndex == 0 )
+        {
+            throw new IllegalStateException( "nextPage() must be called before getToIndex()" );
+        }
+        
+        return toIndex;
+    }
+}

=== added file 'dhis-2/dhis-support/dhis-support-system/src/test/java/org/hisp/dhis/system/util/PageRangeTest.java'
--- dhis-2/dhis-support/dhis-support-system/src/test/java/org/hisp/dhis/system/util/PageRangeTest.java	1970-01-01 00:00:00 +0000
+++ dhis-2/dhis-support/dhis-support-system/src/test/java/org/hisp/dhis/system/util/PageRangeTest.java	2015-01-13 13:26:18 +0000
@@ -0,0 +1,78 @@
+package org.hisp.dhis.system.util;
+
+/*
+ * Copyright (c) 2004-2014, University of Oslo
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ * Redistributions of source code must retain the above copyright notice, this
+ * list of conditions and the following disclaimer.
+ *
+ * Redistributions in binary form must reproduce the above copyright notice,
+ * this list of conditions and the following disclaimer in the documentation
+ * and/or other materials provided with the distribution.
+ * Neither the name of the HISP project nor the names of its contributors may
+ * be used to endorse or promote products derived from this software without
+ * specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+ * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+ * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR
+ * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+ * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+ * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
+ * ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+ * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+import org.junit.Test;
+import static org.junit.Assert.*;
+
+/**
+ * @author Lars Helge Overland
+ */
+public class PageRangeTest
+{
+    @Test
+    public void testPageSize()
+    {
+        PageRange range = new PageRange( 12 ).setPageSize( 5 );
+        
+        assertTrue( range.nextPage() );        
+        assertEquals( 0, range.getFromIndex() );
+        assertEquals( 5, range.getToIndex() );
+
+        assertTrue( range.nextPage() );        
+        assertEquals( 5, range.getFromIndex() );
+        assertEquals( 10, range.getToIndex() );
+        
+        assertTrue( range.nextPage() );        
+        assertEquals( 10, range.getFromIndex() );
+        assertEquals( 12, range.getToIndex() );
+        
+        assertFalse( range.nextPage() );
+    }
+
+    @Test
+    public void testPages()
+    {
+        PageRange range = new PageRange( 11 ).setPages( 3 );
+        
+        assertTrue( range.nextPage() );        
+        assertEquals( 0, range.getFromIndex() );
+        assertEquals( 4, range.getToIndex() );
+
+        assertTrue( range.nextPage() );        
+        assertEquals( 4, range.getFromIndex() );
+        assertEquals( 8, range.getToIndex() );
+        
+        assertTrue( range.nextPage() );        
+        assertEquals( 8, range.getFromIndex() );
+        assertEquals( 11, range.getToIndex() );
+        
+        assertFalse( range.nextPage() );
+    }
+}