131 lines
4.2 KiB
Java
131 lines
4.2 KiB
Java
/* ====================================================================
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Licensed to the Apache Software Foundation (ASF) under one or more
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contributor license agreements. See the NOTICE file distributed with
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this work for additional information regarding copyright ownership.
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The ASF licenses this file to You under the Apache License, Version 2.0
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(the "License"); you may not use this file except in compliance with
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the License. You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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==================================================================== */
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package org.apache.poi.openxml4j.opc;
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/**
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* Open Packaging Convention content types (see Annex F : Standard Namespaces
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* and Content Types).
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*
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* @author CDubettier define some constants, Julien Chable
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*/
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public final class ContentTypes {
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/*
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* Open Packaging Convention (Annex F : Standard Namespaces and Content
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* Types)
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*/
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/**
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* Core Properties part.
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*/
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public static final String CORE_PROPERTIES_PART = "application/vnd.openxmlformats-package.core-properties+xml";
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/**
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* Digital Signature Certificate part.
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*/
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public static final String DIGITAL_SIGNATURE_CERTIFICATE_PART = "application/vnd.openxmlformats-package.digital-signature-certificate";
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/**
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* Digital Signature Origin part.
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*/
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public static final String DIGITAL_SIGNATURE_ORIGIN_PART = "application/vnd.openxmlformats-package.digital-signature-origin";
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/**
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* Digital Signature XML Signature part.
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*/
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public static final String DIGITAL_SIGNATURE_XML_SIGNATURE_PART = "application/vnd.openxmlformats-package.digital-signature-xmlsignature+xml";
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/**
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* Relationships part.
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*/
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public static final String RELATIONSHIPS_PART = "application/vnd.openxmlformats-package.relationships+xml";
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/**
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* Custom XML part.
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*/
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public static final String CUSTOM_XML_PART = "application/vnd.openxmlformats-officedocument.customXmlProperties+xml";
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/**
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* Plain old xml. Note - OOXML uses application/xml, and not text/xml!
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*/
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public static final String PLAIN_OLD_XML = "application/xml";
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public static final String IMAGE_JPEG = "image/jpeg";
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public static final String EXTENSION_JPG_1 = "jpg";
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public static final String EXTENSION_JPG_2 = "jpeg";
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// image/png ISO/IEC 15948:2003 http://www.libpng.org/pub/png/spec/
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public static final String IMAGE_PNG = "image/png";
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public static final String EXTENSION_PNG = "png";
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// image/gif http://www.w3.org/Graphics/GIF/spec-gif89a.txt
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public static final String IMAGE_GIF = "image/gif";
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public static final String EXTENSION_GIF = "gif";
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/**
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* TIFF image format.
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*
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* @see <a href="http://partners.adobe.com/public/developer/tiff/index.html#spec">
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* http://partners.adobe.com/public/developer/tiff/index.html#spec</a>
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*/
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public static final String IMAGE_TIFF = "image/tiff";
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public static final String EXTENSION_TIFF = "tiff";
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/**
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* Pict image format.
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*
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* @see <a href="http://developer.apple.com/documentation/mac/QuickDraw/QuickDraw-2.html">
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* http://developer.apple.com/documentation/mac/QuickDraw/QuickDraw-2.html</a>
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*/
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public static final String IMAGE_PICT = "image/pict";
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public static final String EXTENSION_PICT = "tiff";
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/**
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* XML file.
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*/
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public static final String XML = "text/xml";
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public static final String EXTENSION_XML = "xml";
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public static String getContentTypeFromFileExtension(String filename) {
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String extension = filename.substring(filename.lastIndexOf(".") + 1)
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.toLowerCase();
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if (extension.equals(EXTENSION_JPG_1)
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|| extension.equals(EXTENSION_JPG_2))
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return IMAGE_JPEG;
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else if (extension.equals(EXTENSION_GIF))
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return IMAGE_GIF;
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else if (extension.equals(EXTENSION_PICT))
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return IMAGE_PICT;
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else if (extension.equals(EXTENSION_PNG))
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return IMAGE_PNG;
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else if (extension.equals(EXTENSION_TIFF))
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return IMAGE_TIFF;
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else if (extension.equals(EXTENSION_XML))
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return XML;
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else
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return null;
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}
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}
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