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- /* ====================================================================
- 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.openxml4j.opc;
-
- /**
- * Open Packaging Convention content types (see Annex F : Standard Namespaces
- * and Content Types).
- *
- * @author CDubettier define some constants, Julien Chable
- */
- public final class ContentTypes {
-
- /*
- * Open Packaging Convention (Annex F : Standard Namespaces and Content
- * Types)
- */
-
- /**
- * Core Properties part.
- */
- public static final String CORE_PROPERTIES_PART = "application/vnd.openxmlformats-package.core-properties+xml";
-
- /**
- * Digital Signature Certificate part.
- */
- public static final String DIGITAL_SIGNATURE_CERTIFICATE_PART = "application/vnd.openxmlformats-package.digital-signature-certificate";
-
- /**
- * Digital Signature Origin part.
- */
- public static final String DIGITAL_SIGNATURE_ORIGIN_PART = "application/vnd.openxmlformats-package.digital-signature-origin";
-
- /**
- * Digital Signature XML Signature part.
- */
- public static final String DIGITAL_SIGNATURE_XML_SIGNATURE_PART = "application/vnd.openxmlformats-package.digital-signature-xmlsignature+xml";
-
- /**
- * Relationships part.
- */
- public static final String RELATIONSHIPS_PART = "application/vnd.openxmlformats-package.relationships+xml";
-
- /**
- * Custom XML part.
- */
- public static final String CUSTOM_XML_PART = "application/vnd.openxmlformats-officedocument.customXmlProperties+xml";
-
- /**
- * Plain old xml. Note - OOXML uses application/xml, and not text/xml!
- */
- public static final String PLAIN_OLD_XML = "application/xml";
-
- public static final String IMAGE_JPEG = "image/jpeg";
-
- public static final String EXTENSION_JPG_1 = "jpg";
-
- public static final String EXTENSION_JPG_2 = "jpeg";
-
- // image/png ISO/IEC 15948:2003 http://www.libpng.org/pub/png/spec/
- public static final String IMAGE_PNG = "image/png";
-
- public static final String EXTENSION_PNG = "png";
-
- // image/gif http://www.w3.org/Graphics/GIF/spec-gif89a.txt
- public static final String IMAGE_GIF = "image/gif";
-
- public static final String EXTENSION_GIF = "gif";
-
- /**
- * TIFF image format.
- *
- * @see <a href="http://partners.adobe.com/public/developer/tiff/index.html#spec">
- * http://partners.adobe.com/public/developer/tiff/index.html#spec</a>
- */
- public static final String IMAGE_TIFF = "image/tiff";
-
- public static final String EXTENSION_TIFF = "tiff";
-
- /**
- * Pict image format.
- *
- * @see <a href="http://developer.apple.com/documentation/mac/QuickDraw/QuickDraw-2.html">
- * http://developer.apple.com/documentation/mac/QuickDraw/QuickDraw-2.html</a>
- */
- public static final String IMAGE_PICT = "image/pict";
-
- public static final String EXTENSION_PICT = "tiff";
-
- /**
- * XML file.
- */
- public static final String XML = "text/xml";
-
- public static final String EXTENSION_XML = "xml";
-
- public static String getContentTypeFromFileExtension(String filename) {
- String extension = filename.substring(filename.lastIndexOf(".") + 1)
- .toLowerCase();
- if (extension.equals(EXTENSION_JPG_1)
- || extension.equals(EXTENSION_JPG_2))
- return IMAGE_JPEG;
- else if (extension.equals(EXTENSION_GIF))
- return IMAGE_GIF;
- else if (extension.equals(EXTENSION_PICT))
- return IMAGE_PICT;
- else if (extension.equals(EXTENSION_PNG))
- return IMAGE_PNG;
- else if (extension.equals(EXTENSION_TIFF))
- return IMAGE_TIFF;
- else if (extension.equals(EXTENSION_XML))
- return XML;
- else
- return null;
- }
- }
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