diff options
Diffstat (limited to 'reportbuilder/java/com/sun/star/report/pentaho/loader/InputRepositoryLoader.java')
-rw-r--r-- | reportbuilder/java/com/sun/star/report/pentaho/loader/InputRepositoryLoader.java | 172 |
1 files changed, 172 insertions, 0 deletions
diff --git a/reportbuilder/java/com/sun/star/report/pentaho/loader/InputRepositoryLoader.java b/reportbuilder/java/com/sun/star/report/pentaho/loader/InputRepositoryLoader.java new file mode 100644 index 000000000000..fc6021202e68 --- /dev/null +++ b/reportbuilder/java/com/sun/star/report/pentaho/loader/InputRepositoryLoader.java @@ -0,0 +1,172 @@ +/************************************************************************* + * + * 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: 1.4 $ + * + * This file is part of OpenOffice.org. + * + * OpenOffice.org is free software: you can redistribute it and/or modify + * it under the terms of the GNU Lesser General Public License version 3 + * only, as published by the Free Software Foundation. + * + * OpenOffice.org 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 version 3 for more details + * (a copy is included in the LICENSE file that accompanied this code). + * + * You should have received a copy of the GNU Lesser General Public License + * version 3 along with OpenOffice.org. If not, see + * <http://www.openoffice.org/license.html> + * for a copy of the LGPLv3 License. + * + ************************************************************************/ +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.pentaho.reporting.libraries.resourceloader.ResourceData; +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.ResourceManager; +import org.pentaho.reporting.libraries.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; + } +} |