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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* Copyright 2008 by Sun Microsystems, Inc.
*
* OpenOffice.org - a multi-platform office productivity suite
*
* $RCSfile: InputRepositoryLoader.java,v $
* $Revision: 1.1.1.1 $
*
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*
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Lesser General Public License version 3 for more details
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*
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package com.sun.star.report.pentaho.loader;
import java.net.URL;
import java.util.Map;
import java.util.HashMap;
import com.sun.star.report.InputRepository;
import org.jfree.resourceloader.ResourceData;
import org.jfree.resourceloader.ResourceKey;
import org.jfree.resourceloader.ResourceKeyCreationException;
import org.jfree.resourceloader.ResourceLoader;
import org.jfree.resourceloader.ResourceLoadingException;
import org.jfree.resourceloader.ResourceManager;
import org.jfree.resourceloader.loader.LoaderUtils;
public class InputRepositoryLoader implements ResourceLoader
{
private final InputRepository inputRepository;
private ResourceManager resourceManager;
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.
*
* @param key
* @return
*/
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.
*
* @param value
* @param factoryKeys
* @return the created key or null, if the format was not recognized.
* @throws org.jfree.resourceloader.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 org.jfree.resourceloader.ResourceKeyCreationException
* if the key cannot be derived for any reason.
*/
public ResourceKey deriveKey(final ResourceKey parent,
final String path,
final Map factoryKeys)
throws ResourceKeyCreationException
{
if (!isSupportedKey(parent))
{
throw new ResourceKeyCreationException("Assertation: 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 void setResourceManager(final ResourceManager manager)
{
this.resourceManager = manager;
}
public ResourceManager getResourceManager()
{
return resourceManager;
}
}