1 files changed, 162 insertions, 0 deletions
diff --git a/reportbuilder/java/org/libreoffice/report/pentaho/loader/InputRepositoryLoader.java b/reportbuilder/java/org/libreoffice/report/pentaho/loader/InputRepositoryLoader.java
new file mode 100644
index 000000000..b57930502
--- /dev/null
+++ b/reportbuilder/java/org/libreoffice/report/pentaho/loader/InputRepositoryLoader.java
@@ -0,0 +1,162 @@
+/*
+ * This file is part of the LibreOffice project.
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/.
+ *
+ * This file incorporates work covered by the following license notice:
+ *
+ *   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 .
+ */
+package org.libreoffice.report.pentaho.loader;
+
+import org.libreoffice.report.InputRepository;
+
+import java.net.URL;
+
+import java.util.HashMap;
+import java.util.Map;
+
+import org.pentaho.reporting.libraries.resourceloader.ResourceData;
+import org.pentaho.reporting.libraries.resourceloader.ResourceException;
+import org.pentaho.reporting.libraries.resourceloader.ResourceKey;
+import org.pentaho.reporting.libraries.resourceloader.ResourceKeyCreationException;
+import org.pentaho.reporting.libraries.resourceloader.ResourceLoader;
+import org.pentaho.reporting.libraries.resourceloader.ResourceLoadingException;
+import org.pentaho.reporting.libraries.resourceloader.loader.LoaderUtils;
+
+
+public class InputRepositoryLoader implements ResourceLoader
+{
+
+    private final InputRepository inputRepository;
+
+    public InputRepositoryLoader(final InputRepository inputRepository)
+    {
+        if (inputRepository == null)
+        {
+            throw new NullPointerException();
+        }
+        this.inputRepository = inputRepository;
+    }
+
+    /**
+     * Checks, whether this resource loader implementation was responsible for
+     * creating this key.
+     */
+    public boolean isSupportedKey(final ResourceKey key)
+    {
+        return InputRepositoryLoader.class.getName().equals(key.getSchema());
+    }
+
+    /**
+     * Creates a new resource key from the given object and the factory keys.
+     *
+     * @return the created key or null, if the format was not recognized.
+     * @throws ResourceKeyCreationException if creating the key failed.
+     */
+    public ResourceKey createKey(final Object value,
+            final Map factoryKeys)
+            throws ResourceKeyCreationException
+    {
+        if (value instanceof String)
+        {
+            final String strVal = (String) value;
+            if (strVal.startsWith("sun:oo://"))
+            {
+                return new ResourceKey(InputRepositoryLoader.class.getName(),
+                        new InputResourceKey(inputRepository.getId(), strVal), factoryKeys);
+            }
+        }
+        return null;
+    }
+
+    /**
+     * Derives a new resource key from the given key. If neither a path nor new
+     * factory-keys are given, the parent key is returned.
+     *
+     * @param parent      the parent
+     * @param path        the derived path (can be null).
+     * @param factoryKeys the optional factory keys (can be null).
+     * @return the derived key.
+     * @throws ResourceKeyCreationException
+     *          if the key cannot be derived for any reason.
+     */
+    @SuppressWarnings("unchecked")
+    public ResourceKey deriveKey(final ResourceKey parent,
+            final String path,
+            final Map factoryKeys)
+            throws ResourceKeyCreationException
+    {
+        if (!isSupportedKey(parent))
+        {
+            throw new ResourceKeyCreationException("Assertion: Unsupported parent key type");
+        }
+
+        final InputResourceKey parentKey = (InputResourceKey) parent.getIdentifier();
+        final String resource;
+        if (path.startsWith("sun:oo://"))
+        {
+            resource = path;
+        }
+        else if (path.charAt(0) == '/')
+        {
+            resource = "sun:oo:/" + path;
+        }
+        else
+        {
+            resource = LoaderUtils.mergePaths(parentKey.getPath(), path);
+        }
+        final Map map;
+        if (factoryKeys != null)
+        {
+            map = new HashMap();
+            map.putAll(parent.getFactoryParameters());
+            map.putAll(factoryKeys);
+        }
+        else
+        {
+            map = parent.getFactoryParameters();
+        }
+        return new ResourceKey(parent.getSchema(),
+                new InputResourceKey(parentKey.getInputRepositoryId(), resource), map);
+    }
+
+    public URL toURL(final ResourceKey key)
+    {
+        return null;
+    }
+
+    public ResourceData load(final ResourceKey key)
+            throws ResourceLoadingException
+    {
+        if (!isSupportedKey(key))
+        {
+            throw new ResourceLoadingException("None of my keys.");
+        }
+
+        return new InputRepositoryResourceData(key, inputRepository);
+    }
+
+    public boolean isSupportedDeserializer(String string)
+    {
+        throw new UnsupportedOperationException("Not supported yet.");
+    }
+
+    public String serialize(ResourceKey rk, ResourceKey rk1) throws ResourceException
+    {
+        throw new UnsupportedOperationException("Not supported yet.");
+    }
+
+    public ResourceKey deserialize(ResourceKey rk, String string) throws ResourceKeyCreationException
+    {
+        throw new UnsupportedOperationException("Not supported yet.");
+    }
+}