001    package ezvcard.property;
002    
003    import java.io.File;
004    import java.io.IOException;
005    import java.io.InputStream;
006    
007    import ezvcard.parameter.ImageType;
008    
009    /*
010     Copyright (c) 2013, Michael Angstadt
011     All rights reserved.
012    
013     Redistribution and use in source and binary forms, with or without
014     modification, are permitted provided that the following conditions are met: 
015    
016     1. Redistributions of source code must retain the above copyright notice, this
017     list of conditions and the following disclaimer. 
018     2. Redistributions in binary form must reproduce the above copyright notice,
019     this list of conditions and the following disclaimer in the documentation
020     and/or other materials provided with the distribution. 
021    
022     THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
023     ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
024     WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
025     DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR
026     ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
027     (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
028     LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
029     ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
030     (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
031     SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
032    
033     The views and conclusions contained in the software and documentation are those
034     of the authors and should not be interpreted as representing official policies, 
035     either expressed or implied, of the FreeBSD Project.
036     */
037    
038    /**
039     * A company logo.
040     * 
041     * <p>
042     * <b>Adding a logo</b>
043     * </p>
044     * 
045     * <pre class="brush:java">
046     * VCard vcard = new VCard();
047     * 
048     * //URL
049     * Logo logo = new Logo("http://www.company.com/logo.png", ImageType.PNG);
050     * vcard.addLogo(logo);
051     * 
052     * //binary data
053     * byte data[] = ...
054     * logo = new Logo(data, ImageType.PNG);
055     * vcard.addLogo(logo);
056     * 
057     * //if "ImageType" does not have the pre-defined constant that you need, then create a new instance
058     * //arg 1: the value of the 2.1/3.0 TYPE parameter
059     * //arg 2: the value to use for the 4.0 MEDIATYPE parameter and for 4.0 data URIs
060     * //arg 3: the file extension of the data type (optional)
061     * ImageKeyTypeParameter param = new ImageType("bmp", "image/x-ms-bmp", "bmp");
062     * logo = new Logo("http://www.company.com/logo.bmp", param);
063     * vcard.addLogo(logo);
064     * </pre>
065     * 
066     * <p>
067     * <b>Getting the logos</b>
068     * </p>
069     * 
070     * <pre class="brush:java">
071     * VCard vcard = ...
072     * 
073     * int fileCount = 0;
074     * for (Logo logo : vcard.getLogos()){
075     *   //the logo will have either a URL or a binary data
076     *   if (logo.getData() == null){
077     *     System.out.println("Logo URL: " + logo.getUrl());
078     *   } else {
079     *     ImageType type = logo.getContentType();
080     *     
081     *     if (type == null) {
082     *       //the vCard may not have any content type data associated with the logo
083     *       System.out.println("Saving a logo file...");
084     *     } else {
085     *       System.out.println("Saving a \"" + type.getMediaType() + "\" file...");
086     *     }
087     *     
088     *     String folder;
089     *     if (type == ImageType.PNG){ //it is safe to use "==" instead of "equals()"
090     *       folder = "png-files";
091     *     } else {
092     *       folder = "image-files";
093     *     }
094     *     
095     *     byte data[] = logo.getData();
096     *     String filename = "logo" + fileCount;
097     *     if (type != null && type.getExtension() != null){
098     *      filename += "." + type.getExtension();
099     *     }
100     *     OutputStream out = new FileOutputStream(new File(folder, filename));
101     *     out.write(data);
102     *     out.close();
103     *     fileCount++;
104     *   }
105     * }
106     * </pre>
107     * 
108     * <p>
109     * <b>Property name:</b> {@code LOGO}
110     * </p>
111     * <p>
112     * <b>Supported versions:</b> {@code 2.1, 3.0, 4.0}
113     * </p>
114     * @author Michael Angstadt
115     */
116    public class Logo extends ImageProperty {
117            /**
118             * Creates a logo property.
119             * @param url the URL to the logo
120             * @param type the content type (e.g. PNG)
121             */
122            public Logo(String url, ImageType type) {
123                    super(url, type);
124            }
125    
126            /**
127             * Creates a logo property.
128             * @param data the binary data of the logo
129             * @param type the content type (e.g. PNG)
130             */
131            public Logo(byte[] data, ImageType type) {
132                    super(data, type);
133            }
134    
135            /**
136             * Creates a logo property.
137             * @param in an input stream to the binary data (will be closed)
138             * @param type the content type (e.g. PNG)
139             * @throws IOException if there's a problem reading from the input stream
140             */
141            public Logo(InputStream in, ImageType type) throws IOException {
142                    super(in, type);
143            }
144    
145            /**
146             * Creates a logo property.
147             * @param file the image file
148             * @param type the content type (e.g. PNG)
149             * @throws IOException if there's a problem reading from the file
150             */
151            public Logo(File file, ImageType type) throws IOException {
152                    super(file, type);
153            }
154    
155            @Override
156            public String getLanguage() {
157                    return super.getLanguage();
158            }
159    
160            @Override
161            public void setLanguage(String language) {
162                    super.setLanguage(language);
163            }
164    }