Patch from Sofia Larsson and Martin Andersson from bug #56020 - XSSF support for creating Pivot tables

git-svn-id: https://svn.apache.org/repos/asf/poi/trunk@1614684 13f79535-47bb-0310-9956-ffa450edef68

1 files changed, 78 insertions, 0 deletions

diff --git a/src/ooxml/java/org/apache/poi/xssf/usermodel/XSSFPivotCache.java b/src/ooxml/java/org/apache/poi/xssf/usermodel/XSSFPivotCache.java
new file mode 100644
index 0000000000..e5896e73a1
--- /dev/null
+++ b/src/ooxml/java/org/apache/poi/xssf/usermodel/XSSFPivotCache.java
@@ -0,0 +1,78 @@
+/* ====================================================================
+   Licensed to the Apache Software Foundation (ASF) under one or more
+   contributor license agreements.  See the NOTICE file distributed with
+   this work for additional information regarding copyright ownership.
+   The ASF licenses this file to You under the Apache License, Version 2.0
+   (the "License"); you may not use this file except in compliance with
+   the License.  You may obtain a copy of the License at
+
+       http://www.apache.org/licenses/LICENSE-2.0
+
+   Unless required by applicable law or agreed to in writing, software
+   distributed under the License is distributed on an "AS IS" BASIS,
+   WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+   See the License for the specific language governing permissions and
+   limitations under the License.
+==================================================================== */
+package org.apache.poi.xssf.usermodel;
+
+import java.io.IOException;
+import java.io.InputStream;
+
+import org.apache.poi.POIXMLDocumentPart;
+import static org.apache.poi.POIXMLDocumentPart.DEFAULT_XML_OPTIONS;
+import org.apache.poi.openxml4j.opc.PackagePart;
+import org.apache.poi.openxml4j.opc.PackageRelationship;
+import org.apache.poi.util.Beta;
+
+import org.apache.xmlbeans.XmlException;
+import org.apache.xmlbeans.XmlOptions;
+
+import org.openxmlformats.schemas.spreadsheetml.x2006.main.CTPivotCache;
+
+public class XSSFPivotCache extends POIXMLDocumentPart {
+
+    private CTPivotCache ctPivotCache;
+
+    @Beta
+    public XSSFPivotCache(){
+        super();
+        ctPivotCache = CTPivotCache.Factory.newInstance();
+    }
+
+    @Beta
+    public XSSFPivotCache(CTPivotCache ctPivotCache) {
+        super();
+        this.ctPivotCache = ctPivotCache;
+    }
+
+     /**
+     * Creates n XSSFPivotCache representing the given package part and relationship.
+     * Should only be called when reading in an existing file.
+     *
+     * @param part - The package part that holds xml data representing this pivot cache definition.
+     * @param rel - the relationship of the given package part in the underlying OPC package
+     */
+    @Beta
+    protected XSSFPivotCache(PackagePart part, PackageRelationship rel) throws IOException {
+        super(part, rel);
+        readFrom(part.getInputStream());
+    }
+
+    @Beta
+    protected void readFrom(InputStream is) throws IOException {
+	try {
+        XmlOptions options  = new XmlOptions(DEFAULT_XML_OPTIONS);
+        //Removing root element
+        options.setLoadReplaceDocumentElement(null);
+            ctPivotCache = CTPivotCache.Factory.parse(is, options);
+        } catch (XmlException e) {
+            throw new IOException(e.getLocalizedMessage());
+        }
+    }
+
+    @Beta
+    public CTPivotCache getCTPivotCache() {
+        return ctPivotCache;
+    }
+}
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